I-59_Ambient Monitoring Calibration Sheets 2018-2022

CALIBRATION
Date:
/ zv Z
Time:
Initials: r2!t7 J
POST CHECK
Date: 1 I >
Time:
Initials:
Monitoring pH Data }
Max:
lfp" i5 < 6.9, past check with tail 4.0
AP.. C. M u tarece Standard f psi lm at
�jtd Lot NO. Expira-00H7
200 fJ
Post Check -Same Strt? Y N
PH starodafd (S.U.)
5td !a� No: {, explror+an
7 �.rp� 12-
ki
l/ 2ptL
G j1�'J2 c
i, j�Fz
Pe','t C17nC4: ?On'e =td?[ Y N
YSI Pro. Plus Meter C, iration / Post Check Sheet
S/N: 2756 Hach Turbidity Meter S/N _'�" �oo 15
` Field Crew: J -_.— 5tudy: 1 -/ �' PY oIJRHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Caiibratior!
DO Past Check
Turbidity (N T U)
< 0.4 NTU ?
DI H20 (<D.1)_ _
0 N
Temperature (°C): y, COOy.
Barometric Pressure (InH& 9r �
❑O (%) u DO (mg/L)
Temp ('C);
BP (InHg): cC. ,
DO (%} DO (mg/L)
Std: 100 N T U / C;
Lot # 1, 90 - 110 N T
Std Exp. Date: � ��J�Z NO
xX.K x-xR
nitial I �/�. � -� '� r J
justed -i- r tl I %0�I—
LChart(x.xxmg/ DO ;gib! %Q r O j f
_ xx.x x.Y..X _
c�
A � Chart DO
Y 1012V21
Turbidity meter last calibrated
WitYtirs±0.5%
Within±0.5?
[Spe:dfic:C(�7:,iductance !pS, coi at 2VCj Calibration: Specific Conductance Past check
F -J. Value
1, DDO
2UU
***Dry Air=** k,otlrJ
2Oi3
* *Dr, Air***
E
'7
X.
Y�rni;
irsitici
I �j!
1 13�9 -- IS '41
03
1 15
O= O J
Adivsted
/,go z
j—__[C 1
Q. f
After r alibrai'ivr:'
Cell Constant
J
180.0-220.0?
N
< 3.0? f 9001 00?
f� N/ l Y N
180.0-220.Cs?
Y N
< 3.U? 6
I d N 1
JAcceptaFle Cell Constant range: 4.0- 510 P
A pH {s.u.} Calibration (perform
7
2-pt calibi-eion
10
for Unit 4365)
G 4
Confirmation
e
pH Post
Check
5td- Value
only)
%.K%
7
X. KX
10
h
\ t
?er,np
Initial : O
�JX.XX
10,0(J
O t J
f O J
c7�
J
��-----;---.-�..__
iY..hti
Theo H
p _�-�
—
Jf J
`l,ob
AN -12
y-
Adjusted
Adjusted
frer Gaiibretiori
Slope (mV)
Slope (" � of ideal)
Within ±0.1?
N J
Within j 0.-`?
I +A'bti s i..
_
-
-
-
Acceptable ph'slope (tn-'jpH)55 - 60 3nV ,' pH slope i % of ideal): 93 % to 102% !deal PH slope = 59 r-sTV l
'Ts,irbidity meter, a,n calibrates; c{iliarter!-/ Turbidity Ca!ibra bun goal; for details
After Caisbr:�tics., 7i� sensor . !r;e, sp conae:ct,.7nc.e Cell [nn:tant and rate pH slcipE
F %SVVkDJ v'sion FI!e G\VV@iB;- L!Lt!li 'rl'dlF fi iT�rinq i.Re e'enli eelSQpc`,Me iPr,, Arch Cal%f3bon "lJ -',L 81i L�r8iiOR Sheeis a Meal = I! a' nn :h i:i5 ..:-G,, r)��I'�i5 i'1�'=-4el'-
v nt�ranc,: Loris �.a br� .,.. .-

CALIBRATION
Date: 1 j ZZ
Tirae: - O
Initials: _ CG'
POST CHECK
Date:
Time: L �!
Initials: _
r Monitoring pH Data i
CLJ
Vax:—
,.fpH, ?s < G.9,. post Check v4tn pi 4 ?.Li
Sit. Conductance Standavd lg5icrip at
27'Q
_I _
3 fit; Lot No. r Cx i,ation
00
n�a 2 22
Lr� Check- Some 5,i? ev N
PH Standard (6.a:.E
�Sfr-?-1o.iLr���f-�f=Xf>lr{lti�_ril
I
4 i i -._
I
YSI. Pro Plus Meter C, iration / Post Check Sheet
t" S/N: -3 W lY Hach Turbidity Mete, S/N b 19 () 5 f
15
Field Crew: QG- f � y' Stud �AQj��_ CITY OF
—(—-- DURHAM
TI?rhidity Pre -Trip Che, Ick
Gisscivrd Oxygen (DOj Calibration
DO Post Check
Turbidity (NTU)
Temperature {° }: _ I S .01
Te3r.p (°C): 1 rs
D! H2Q.(<0.1)
`-' ,
0 4 NTLI ?
`-le) y' �
Barometric Pressure (InFi>L ): :�C r f�
PP (InH&
--
DO (°!)
X�X.N �
_.LT` G1
O� CO
DO (.ng/L)
X.x%
a 'Go
-- -
DO (5-
xx.x _
Initia's_ to —L /
Adjusted � [� ., 1
-- - —
DO (mg/L;
x.XX
j—.D�121-�
I -p L
—_
Std: 100 NTU
--- Lot +
1 V'` l
�� (�
90 - 110 NTU?
N l
5td Exp.
@Cfi4 DO ;x.xx m�% DO (%'
� , �1 {D f
Chart DO
�1�� � j
? ur6idity reefer last calibrated?'L_!
Wi r ± 0.5?
CyN )
Within ± 0.5?
M N
,tipecific Conductance (µS/Cm at 25°C) Calibration
Specific Conductance Post Cluck
s Std. Value _ C-00 a.OR I "* C-v.A;r**=
1,000 200 "'Dry Air`
Temp
1y ,
l'
1 7 - -z
Initial
10p?-
0 _� -- J—
Ln—b--4
10 3-9)'
Ad;ss-te:d
Cell Constant
10.V0 22fVi
900-1100?
1Bd.0 c2?
'.0'<
.i
After Calihrationp
p�9
.0?
1 i
y
J
YN
Y<
✓
H� "ceeptnbie Cell Constant range: 4.0 - 6.0
cH'sm-) Calibration I'perform
1-pt Ca:ii ration
for unit 433661
CrRfimlat:On p11 Post
cheCk � @
V- -- -
Ternp
a
-.fix
Initial`?�
i— Theo, '1 0 'Li
Adjusted
I
-7,0"L
10 J1
� --
5fope (mV)
'.fter Catidraticn
Slope (% of ideas
1viLhirt +
iA C2rt£rbie pH slope (m %/cri)' SS
- 60 mL% p.H slope
_
("n of ideul): 5
"zo ±r,-. 102°/u pti
'Ft:rbiait�• r1}etP.rS arc ��L�3:.,t�d e;u�rteri�• •, 1-_��'�h„iEy `. ;f.+. ;r;c� F?aok _.� t!..;�e�15
:,,ft,:,r CAi,bi 3`it n, i_'ti, &visor v,`IILW. �h CQridi=•' .r:2 s:1 F:,, ;ant aril th, pA Jon- Y c t r --: -,or,) th1 ITT,: ' SLr 'u.:
,t:�,?_). �,,r _. _�P. a� t. `r� �... �-ie:7Cr _ .�Ci=,'i��*a 9 ar_fu�F 4� ,. �`-_. 5CI'1L.�I�riati•ait �''-.._ _ is -:, r;�'-_ . � _ _._ ,-'�� _-,- �.. lei; 51 :�' � ._ � ,;.� .. t.,_� ,
IJ

CALIBRATION
Date: % Zd//Z 2-
Time: f`©`7 J initials:
P05T CHECK
Date: I q 13 >2.2-
Time: 1 2'..0E:?__I
Initials: i3L
( Monitoring pH Data 1
h1tn: b.16
l lax: % , 6,
l,� pi-1 is < 5.9, post check with pH 4.0
Sp. Conductance Standard j:6/tits at
Std I lot Na.T Expirotiorp
20tf
r_ 4
1000
(9 z 7A z ZDZ2
Post Check -Same Std?ol' N
pH Standard (s.es.)
Std
Lot No.
Expiration
7
A it bou v
112Dl-2
10
G
ll 422
�oz2
Post Check- Some Std?� N
1
YSI Pro Plus Meter C, Jration / Post Check Sheet
J 5/N: - Hach Turbidity Meter S///N 4;�,, �a a 1&
Field Crew: jL j%!'7 Study: -W �:Ze o CITY OF
Turbidity Pre Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (N T U)
Temperature (`C): 19.3 /
Femp t°C}:
DI HO (<0.1)
< 0.4 NTU ?
N /
Barometric Pressure (InHg): 'Do, O i
BP (inHg}:
_
DO
xx.x
--
p0 (mg/L)
x.xx
DO (%)
xx.x
pO {mg/L}
)C.xx
Std: 100 N'TU
Initial
J
Ci7.3 J
p I
Lot #
Q
90 - 110 F[TU?
N -/
Adjusted
rO67,
J
Std Exp. Date:
ZOj 2-
Chart DO (x.xx nfg/ DON -
�' • l 1
Chart DO
G
Turbidity meter lost colibrated fII Z 7 2 % J
11 Within ± OS?
N J0
Within ± 0.01
NJ
Specific Conductance (45/rm at 25°C) Calibration
Specific Conductance Post Check
Std, Value
1,00t7
Y.
! 200
I
X.X
'**Dry Air**"
X.X
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
7
Ici
l
Initial
Adjusted
�1�10 t
After Calibration'
Cell Constant
180.0 7207?
( rrJ
< 3.0?
N J
900 -i1DD?
N l
180.0-220.t1?
O N .1
< 3.0?
( rJ J
9 J
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (performs 2-pt calibration for unit 4366)
Confirmation
pH Post Check
`! nl r1i.
51d. value
7
X.XX
10
X.XX
4 (for 2719 only)
X.XX
7
X.XX
7
X,Xx
10
X.Xx.
_Tempp
Initial
-7, 4 J
1
/L% Z
Y6 -t'
77, ® J
VI, .6 1_
7-11 ! �--ID..
10'1;;
19 J
cl.C,:� J
L4.D j
Theo. pH
-7, 0,L,
0'
i D %
%. 42
`7.Ot
10 .Of,
Adjusted
%
er Calibration
After
Slope (rnV}
Slope (/o of ideal)
Within ± 0.1?
V'. ithin ± 0.2?
0" thin ' ,.?
3
- -=J
�J.
—1
Acceptoh+e pN slope {m4/pN): 55 - 60 mV / nN slope (% of ideal): 93 % to 102% rdeaf pH slope = 59 m'.,
"Turbidity meters ate calihratt-, gIia: ter! s�F irbidr'y'_ahbr.i iiun Book for dFitai!s
After Cahbr�tinn, ❑Q 4e tsar vait:u, -p. condu Aea ice cell rom7 ,, - and th" 0P. ',iope / % siope is rl-Col ded from 01.0 zrat1.--r' . „: P
F,ISW`Qivision Fileull^JatsrQuality'f�!oniio:'��=,Fier`e;enc2s' �3PslrJtc'tersiarr:nr�f_�,Caii'r;rat:,,i=sOf'':Cailhrul:c�n Sn>�:!.s ,. i�€ain1��,:-.�,c._ ! Or�SlCalibta.3an .nects'> �! Hr:iHi�:'a fUierr�� _.-. ; f,^'. _ .

YSI Pro. Pitts Meter C. )ration / Post Check Sheet
%I Mach Turbidity iVieN r S/'N � (� - ---
. 1b
CiTY OF
Field ��Y2Vv:T 5tUdy: �i� j��-• - .--�- DURHAM
CALIBRATION . Turbidity Pm- rrit3 y r ��r�4,�_�...�..,..�.r�0 Post Chec.- ....,
! solved 0xfgen D _alibr<st'jr;.3 __-
Date: i f!rbid ty (N T) iTEniperatu:e f- emp i l
Time; ; :I: la ; � res� ctrlc "res ure {ir.Hg;: 3Q C] 3k }!n ig}:
Initials: -_.. DO o DO mg
WX X.X.Y Xx. X. X.XX
5td:100NTU -1, 9 - �- irlitiai 7 / —
PQSTCNCCK Lot# C? SO ' �U...i.1'Q NT„I;. PAIL1s`.'d
Date: ZZ Std Exa. Date• t N % part Fjf :.rr rng �iC7 �,ti Chart
L - d Sl a` .. ..{�.� --- „ . ha.t rya lei • 1 I
Time: ? �1Vithik; .t 0.=,? 4V',th;r; 1 0S?
Turbldi!�: rnetei 1a.st caYbrated l o
Initials: (�.f__i J
�..�.,..�:_. Monita.--ing pHData i _... f-i � _ c a — -
�g6UC�itnce �C'.,....� 25'%`-C.,4j1r;atiQ" ..+�7L'cific Conductance Post Cheek
Min: _-_I' Srrd. 9,Gi;ii O:an..,, i «,*DI Air* * 10:3G —Z7fJ **'Dry Air***
re...�,H..�.. X.x X.x -- K. X-X x.X
if rari is < 5.91 past c'herK with pti 4.0 I LA \ % 1, 3 j
41 Epp �� f ���, ��3 ; 0-
Initial
i Adiusted
ce!i Constant 1.S0.0 220.0? < 3.0? I 40"' - i100 � 18".Q-220.0? <
1 J
sp. '0J i➢!'i!;� ._ N _ Y !V „/ `Y N JI r Y NQD
At, eVcbfp Ce'f Constant ronge: 4.01 • 0
low-, Ok . U�., Cafi.�br ,a.n,on. ?Sp�yCtqs . , ACarSlrrztion -pii Post
Ci�seei<
Fast Chet u�a�
k 5crr!e�cd Y i� i -
`:Itrl 4'alue ' 1£ 4 ;F�se ?jig ur iv; 7
x,xX .....5.�.� •' x,xx x.;a
�,
gip— Pn'1_ �!� ..
Ll
PH Standare ..
1
_'' �1L G' Iv ----t;i,__ion Theo phi d / �• ] ! d 0 1 O L AL
U-y- ---I --- _.—.. —�—.�
+l_._
tljustrsd� - -- f
': 1 0 ,-, h a) - -----i a,.: CalibratiGrl. - — - i E
Lcu rf7le ,r, 5r,j f' l'i pl,)' S5 60 m4J JN 51Cpe j �c a rd a! 33 % to 102% irlepl OH slope = 5? -.1V
_ J
r!r ,; W1.21-r, ..1 hP;ra'a d quarterly i. twi ,Lv ..ia,ri'.ion f;onlo i-cs rq^'_,.ik
>r, : -lib lr-it, OD it n':or wain -IF, cl}. [,.mfi., Carr II :oi,-:.)nLard 1hr pH ,Ip{l:3 r''- ,IGp ., ,. ee�,,ir ri f,=•,•, I'' , , ,dF ' .,-
f',,rr4,'J�if o7 ll'p.',I :F-1�. i:rr _ C@S��ct}P 'id7 Ptc+rg�al'w-I'31v rJcpi(•,n i. al r �',w :-i'� s3 i1l�a'IraBhenCc? C-e S N'1:
Sh.,, ,[_a0s Sul _

CALIBRATION,
Date:
Time:
lnitii.,is:
POST CHECK
Date;
Time:
Initial-,:
L
Monitoring pH Data
Mir: �__6. —4
Max:
If pH is < 6.9, post check with PH 4.0
Sp.
251C1
Std, Lot No. I Expiration
200
1 1000 I 7A 12'
Post Check- Some Std 10 N
pH Standard (s.u.)
stcf Lot
Expirritiorl
7
0 01 _t 4
1 (!2
4 QV
:2'LZ_
P05t Chet:4­ Same Std? QXJ N
J
YSI Pro Plus Me -ter C, -iration Post Check Sheet
S/N: 2 I Hach Turbidity Meter S/N -6 "no -7
Field Crew: Stuchj:Y&4.�-� iZ 2 TOF
DUCIY RHAM
7u, bi&tv Pre -Trip Check* DI&SOIVed Oxygen (Do) Calibration
DO Post Check
TUrbidity (NTLI) emperature ('Q
T___TLmp(*Q
DJ 1120 (<0.1)
< 1JTU ? ba­mE-tric Pressure. (InHg -7
Cie f v N L- C; % DO lrmg/L�
�_7
BP (InHg)�
DO
DO (mg/L)
Std: V90 NTLJ
90 - 110 NTtJ? Adjusted
C2 / . -
LN � IChjvt DO (x.xxmg/
AAA
7/
9
CO (5/.)
XX.X
StdLxp..uatC--
Turbidrty meter lost calibrated
Wit!lir. 0.5?
ZL---
Within + 0 57
_1Q,
Npecific Conemm rice (J!S/CI.I) at Specific C:onducta!i�:-2 Post Chark t
1,000
T-­-2700
"Dry AIL ­`* a 1,0()()
i 2G.6
"*Dry Air**.'
x.x
Ter P
_T
Initi-i
Adjusted
If V I j 2-o
llfOQ�2
Ll CvA__ j
4
L
After
CL-11 Constant 180.0 -220.0?
7_7367,-goo 71 Tjo7T
i _22c).9-r
S 3.0,?
Calibration'
N J
CD NJ N
N
Acceptable Cell Constant
range: 4.0 - E_. 0
pH (s.u.)
Uibcation (verform
2-pt calibrabomfe.,
io
unit 43SS)
o 21 1, 1 z m Iv;
Confirmz;icr. PH postchecl,
_7
Md. 4JAU.s
T em p
nital
-7, 0 -1
h9, Im J
0_
X�Xx X.XX
-7,0 7j_
X.v,
_J _.
-:-4—
—
Adjus'(ed
,6 J
After Calibration(
Slope (mv)
—
slope of ideal)
-'Nri ±0 2 .
'.4 j (D N )I
D 4:
I v + L
—
ArceptublePH
slope (mV1p,1q): 55
- 60 mV /pH slope
ofidpol): 93
% to 102% Ideof PH slapt,
rurbkiiiy awters ate caftrnfed cji,aartprly. sea, Turbidity Calbratior Booit for details
Al 'i:r Calibravan, DO wrisor value, gip. Cell constant and the pH slope! 51OP2 1.,
F .SVV\DMsiori File—, Water Sleets & Kainte"_nce Loqs,.Crlibanon 3:neelS}YSI-F�UP'L.
sheet-2-J 19-Jur,
�//_ f
JJ_

CALIBRATION
Date: 21l7 i %I-_
Time: 7 D
Initials: GL.
POST CHECK
Date: L.ts—
Monitoiirfg pH Data
Min:
Max:
If p%4 iS < 6.9, ;post check With PH 4.0
So, Ca!ndurt ince Standard IpSlcrrt t
s"c)
Srd - Lot Flo. rxpiratiorr
_200 :XiC>51'>-A 57.21
tfJ00 .2Q 6__Ij`d III.1;
Post Ch,rck-Some Std? tY Pv
pH Standard (s.u.)
Sfd Tat lVt7 - ——Ypiratlor,
111
1rs 0pck- SmTiP Std Z Y1 N
YSI Pro Plus Meter L .3ration / Post Check Sheet
S/N: ti c —. 1 Hach Turbidity Meter SjN '"� DQ
Field Crew: &, GC �Y,Ld` : t, CITY CIF
DURHAM
ruri.—Alty Pre -Trip Check* Dissolved 0)rygen (DO) Calibration DO Post Check
p Ti IrF idit:y (NTIJ) F^ 9Temperature ('C!: I y- ; Temp (°C):
< 0.4 NT�U--? Samn)Firi� PIC.>u e (InHg)•: " / BP {Ir)H 1' '.�
© 1 �_ _ �-- --+
DI
DO ,mg/L) 9 DON � DO (mg/L)
_ _ T._-- xx.x x.xx -q •'x x _x.xx
W: 100 NTU q0L .q J i'Iit al — fj .i_ r1
Lot # A 10' ' � ) 9Q 11 Q N i"U? 1!a!u _.. i ir3�� -7 J .� 7 j
Stet Exp. Date: 1�1w . 2�- iJ C ha,'- LC� `i�x r+�l CO.(`;o) q alb % ClIart DO
Turbidity meter fast calibroted 1 /.25/��
Within Q.5? tvitiiin s k.5?
C� N J E rr� N
Specific Coviductaiice flus crr, at 25 C;) .a;;+'raticsr, sper,ific Conductanre Post . Clog,
Std. I,alue .._�.�-1,000 {- r�ff,�m. �f
1 'Dry Air"* 1'em 21�€
X.
X. x.+
_ TempE2.
if'it1a! Glq ' ✓ ! `S' 1 _ (;, g__ C
Adjusted
ll Constant' i 18',,.F?-77-M ? t �.b? s 9:�En I7.QQr 7g0.0 - Y �, L�,.� • -?.1?�
AisarCalibratian 7-
J�-
Acceptable Cell Content range; -4.0 - 6.0 ry p
it pH. (S.u.} C'alll3ration (perform
2-l}`-.. calibration
rra-wilt 4136�-)
Conflrmarion pH Post
..� _.
Check
.
t t�t_'�lalue ;
@
x: YA
remp 14, 3 �_
3.0
x.xx
l � Zw
4 tfmk� - 7Ey only)
x�rx
7 7
x,xx x,Xx
0
Theo.pH 7.03
I ll'�.i, j
II LA, 01 f
Ad'ustod
Slope (mV)
Slope (yn of ideal)
,. + > + :�
d'th'n : a..i 1Vlti '�
+.t , , ,7
la: hln
fter Calibration'
- . _.
I
--- ----
Lr r'Ey rtcrb;e,: h'slope (mV/pN): 55
- 60 mV /pN slope
(% oi`id?a:1: 93
% tc '30?% rderll pN slcpe = 59'??V
3x✓�:
)s
'Turbi-.Jit',I meters are ca!79ar74 quarterly we ruro!dli', C,'.i!JI aticrl FOOT for 6e,La;i�
AM,cr Calibrjtiur., D'.i :�!rtsJr vclkfe, 5q. COTA I',-'+-dnre C=1i va!!Staf1t ;rid tha?
1.7!'�ision iles\Wate� ija!i �+.eVIon1 LCrir I n. I arc r.,, : =�`� !1.1 {�i a IL L_CjS �=�lii`_l�' n f; t.�i'� �I-%7�i1'�' � e ire.
" :'� 7.7 P'i fC: ':'nL;e?- '.?�ai�5,rtill�fc.l'-.�1 i'ilVe'•C&!EL�rdil:ir-� t;[�r, 3ili)r<<IICr"! `,r:.,..i,..... 0rj" F n `.,� :�1r. r� .�7 i'ci-" "r'I f5 i��; i.-Y C?ill;ra,I,- .
s!1g!?i�?hijG.lUllc

CALIBRATION
Date: 'L/! l22-
Time: 7: to
Initials: 1 I —
POST CHECK
Date: 2'Z
Time: —A '- ()!I— /
Initials:
I Monitoring pH Data i
Max: T 3
If pH is < 5.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25T)
Std
Lot No.
Expiration
,2.
— x1
ff
o S
3 / 22
Post Check- Same Std?0 N
pH Standard Ism.)
Sid
Lot No.
Expiration
7
10
210 l 2 G
i 1 1 2-2-
4
.11u
(a Z3_,
Po, r Check.- Same StdV } N
1
YS! Pro Plus Meter C,_ )ration J Post Check Sheet
S/N: �2 7 5_c7 f Hach Turbidity Meter S/N h56o 'f
Field Crew: GL. , C cr Study: Dom,. CITY CITY OF
QURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): %
Temp ('Q:
DI H O <0.1
z ( }
0, l 1 JI
< 0.4 NTU ?
Y) N l
Barometric Pressure (InHg): 2a
BP (InIHg):
DO (%)
xx.%
DO (mg/L)
x.Xx
DO {%)
)O(.X
DO (mg/L)
X.Xx
Sid: 100 NTU
qb . f
Initial
r[�i
Q .G-7 J
9 j
.9f
Lat #
l7 l 3 2 1 j
90 - 110 NTU?
N J
Adjusted
C�C� , s j
Q. 70
Std Exp. Date:
)114. _
Chart DO (x.xx mg/ DO (%)
.71 7
Chart DO
11. �jOJ
Turbidity meter lust calibrated l f 2 17
Within ± 0.5?
C� N
Within ±0.5?
Y N,5
Specific Conductance (µ5/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
*`*Dry Air***
x.x
1,000
X.
200
x.x
*"*Dry Air***
x.x
Temp
t 7..L
Initial
I o0a %
for 1
C70 O J
20 SJ
0-
Adjusted
I0p.;l,
After Calibratiojn'Cell
After Calibration
Constant
180.0-220.0?
I Y N%
< 3.0?
O N
900 -1100?
N
180.0-220.0?
1
Lt . 4 J
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Oi,ronai`
Std. Value
7
x.xx
10
x.xx
4 (for 2719 only)
x.xx
7
x.xx
7
x XX
10
x.xx
w
xx
Temp
i 7, /
i.►
J
IT5-
J
Initial
. G-
io. 16
7, o ic, J
J
L . ILA J
3, C1 Z.1
Theo. pH
7. J
i C. 1-0 V
7_
Adjusted
j o , %, J
i
fter Caiiliration
Slope (mV)
Slope (% of ideal)
With In 0.1?
W riin ±0 2?
Within ± 0.2?
Acceptable pH slope (mV/pH): 55 - 60 mV f pH slope (sb of ideol): 93 % to 102% Ideal PH slave = 59 mV
'TlfrIU,;d i , rfptcrs are calibrated quarterly, see Turbidity Calihr,il ion Beek for details
°Aftf-r Cahbratio;:, DO sensor value, sp ro, . t:rtance cr d ceaii-,t.irt .a;id the pH ;lope / % r.lope is recorded from the rtteter'; GLP N,
K TNvtsion i-'.lecVv'ti/ater bration on Sheets ur,sr ai;tlrBtbn Sheets1YSI-ProPlus Me[ -_I Cai- - jt •,-- z ,`
20

CALIBRATION
Dater
Time:
Initials:
POST CHECK
Date: �� U
Time: �� �Z
Initials! Cc
I Monitoring pH Data
Min:
1
Max:
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (IiS/csnW at �
25'£)
Std
j Lot No.
Expiration
2D0
O'Si aA
1000
k�_t
Post Check- Surne Std? (Y i N
p''♦•f Standard (s:m.)
__Std
tof fyn- E.%pirotion
—7
r
4
'Z i c7 2
a
YSI Pro Plus Meter C,aration / Post Check Sheet
S/N:,4D Sq Hach Turbidity Meter S/N L SOU
Field Crew: LC Study: %aC Y! se�� � CITY OF
AURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ("C):
Temp (°C):
DI H2O (<0.1)
/
< D.4 NTU ?
Oy N %
J
Barometric Pressure (InHg): ��
BP (InHg): 2L
n DO (%)
xx.x
DO (mg/L)
x.xx
DO {%)
xx.x
DO (mg/L)
x.xx
Std: 100NTU
�.3
initial
Lot #
9 -110 NTU?
0 N
Adjusted
Std Fxp_ Date:
C9 s/ /
Chart DO (x.xx mg/ D0 (%)
N , 5�
Chart DO
Turbidity meter last calibrated r( -
Within ± 0.5?
OY N %
Within ± 0.5?
Y N J
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
X.
200
x.x
***DryAir***
x.x
Temp
C� . J
cam- $ ./
0%
Initial
opm1
0 - J
�
Zb .�
}
Adjusted i
Q 0Q)
After Calibration"
ell Constant
180.0 -220.0?
N
�I J
< 3.0?
N J
900 -1100?
Y N J
180.0-220.0?
_f
Y N
< 3.0? i
I N J
! L
LAceptabie Celt Constant' range: 4.0 - 6.0
PH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional-
Std. Value
7
x.xx
10
x.xx
4 (for 2719 only)
x.xx
7
X.xx
7
x.XX
10
15
Temp
DUO
C
—�
o�-CJ
2-1 %
Z k
Initial
7
Theo. pH—W
J
`1
®
��S %
W
Ad,u5ted
Q , p s
After Calibrations
Slope (mV)
Slope (% of ideal)
Within ± 0,1?
Within ±0.2 '
Wit*
J
--
ACCeptObte pH slope (Mk/PH). 55 - 60 mV / pH slope { o of idecl) 93 % to 102% Ideal pH slope = 59 mV
*TurEai lit, « ^ie. , are rir:artedy. see Turbidity Calibration Book for details
ft^ Caiihi,ti r., € ') s_ . _ ;;i ;., ;^• c_o:iductance cell constant and the pH slope/% slope., recorded (r: m, the nieLer's GLP fife
Js
:W :sivi .;on file :'.'_+er«; O aGtJ'r1onEtorina.t�etFrances;Ss:) 'cil;let rs`8r:,.` ve`='aEii rafEaF `�GPICalibratian Sheets 8. Maintenance LogslCalEbrati. r.:,hee s!1"_;i_l ci°I_;s Meter Cgkhrat:,;r Sheet-

CALIBRATION
Date:
Time:
Initials: pill
POST CHECK
Date:! I Sl2Y
Time: So
Initials: 0(.
Monitoring -pH Data
Min: 6,6
Max: 7.4 J
If pH is < 6.9, post check with pH 4.0
Sfr. Conductance Standard 116/cm at .
25-C)
Std
Lot No.
Expiration
1000
Post Check -Same Std?c�) N ,
pH Standard (s.U.#
Std _ Lot No. Expiration
7
z1/�.:: /zC%
f/zp�L
10
V
Z
4
z 05
Z Z. J
Post Cheek- Some Std?l) N'
1
l
Y5,' Pro Pins meter L, .jration / Post Check Sheet
S/N: Z 7 � /9 Hach Turbidity Meter S/N /� 7 20 I h
Field Crew:______ I% 7 Study: ,%6, , CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°Cj: % 7, y1
Temp (°C): i$. 3
DI Hz0 (<0.1)
J
`
<0.4 NTU ?-
Y N
Barometric Pressure
(InHg): r(� /41 J
BP (lnHg): 2,q
a,4
DO (%)
�� � , 6 ,1
Y.,
—
DO (mg/L)
X.Xx
;L J
raj L1 f
_
DO [%]
XX.X
C; 7 . g !
DO (mg/l.)
X.XX
Q, l$
Std: 100 NTU
Lot #
JXX.X
Z
% 'f 1 '
90 - 110 NTU?
N J
Initial
Adjusted
Std Exp. Date:
3 7 a Z 3]
Chart DO (x.xx mg/
DO (%)
� � �
Chart DO
qs 6
Turbidity meter last calibrated 2 20
Within ± 0.5?
y N
Within ± 0.5?
N
Specific Conductance (µS/cm at 25*C) Calibration
Specific Conductance Post Check
Std. value
1,000
X.
200
X.x
***Dry Air***
X.l.
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
/ 7, 9
Z%.
% •
(,6
Initial
� J
2- Z
p. ©
qA 5-
Adjusted©(JQ
J
After Calibration'
Cell Constant
180.D-220.0?
N /
< 3.0?
N J
900 -1100?
� N v,
180.0-220.0?
� N
< 3.0? F
y N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.i Calibration (perform 2-pt caliba ation for unit 4366)
Confirmation
pFl Post Check
0060,7a!"
Std- value
7
].0
-'i��i i��'I�
7
7
10
4
X.XX
X.XX
Temp
<S. -7
Inital���
Qr © J
]
> %
�. lca.1 {4 l
z1.0�7 J
Theo, pH
o J
�i. ©
. J
7. 0�
y
oo
Adjusted
o
fter Calibration
Slope (mV)
Slope (% of ideal)
Within ± U 1?
Y N
Within ± 0-77
NJ
I Within t 0_1
I v N J
J
7�
-
_4
Acceptable pH slope ImV/pNj, 55 - 60 rnV / pN slope ( 95 of ideal): 93 % to 102% Ideal pH slope = 59 m'v'
'Turbidity mete.i are r�Iibrated grarterN. see Tur€)idit; Calibration Book For details
AflFr rCaltlxatiori, DO sensor, :�atur, sp. conductance cal! constant and the pH slope I io Slape is reculded from the metEr's GLP 5!r
K.\Divisi�n File5l4Alater0Uahty'tU?c,r;t ;ingtRefercr c :slSp�s'irte,z;s,arcn ve',Calih ation SOL',Calil ration Sheets & Maintenance Log stCalihration Sheets'%rS1-PmPius eJl-ie Ca;iera,i n st,Yr,
24119 J u,-e

CALIBRATION
Date: f l z f J
Time:
Initials:
POST CHECK
Date:
Time:
Initials: �_ ..-Q�✓
9 IVitoniiorinn pti Data I
iVli1v
Max:
if pH is 6.9, post check with pH 4.0
Sp. Conductance Standard (µ5/crn at
25-C)
.St,' t No. Expiration
Rost Check- 5amu Std? N ?
pH Standard (s.u.)
Ltd Lot NO.
Expiration
10 -7 C
4 Iz- '®193//
Z�2
Post Check- Same 5td?U NY
YSI Pro Plus Meter- C, oration I Post Check Sheet
S/N: - 3 /,4, -- Hach Tur_ic#itl; Meters/N � f✓h0 _ -
FieldCrew:- —G-4- ,�M Study: 3_ CITY OF
DURHAM
Turbidity Pre -Trip Check* ��
Dissolved Oxygen (DUI (mittj•r•ation
DO Post Check
Turbidity (NTU)
¢-�
Temperature ('C): J
Ternp ('Q:
_Y
< 0.4 NTU ?
H2O (<0. } �/
�•'`�
Barometric Pressure (InHg): �7, t%. / i
BP (InHg). " "� -7Di
DO (%)
Initial �S
DC (rng/L)
X.XX
✓ e r�
DO {%}
xx.x
% 9 �%
DO (mg/Li
x.xx
)
f N
Std: 100 NTU
Lot #
a a 4t
90 - 110 NTU!-
(9 N J
Adiuslede J
Chart DC (x.xx ;r,g/ DO (%)
t% o9jL
Chart DO
LstExp. pate:
f;Ap2 l
Turbidity meter lost colibroted �' �9v )
Within ± 0.5?
Within ± 0.5/?
-2
NV
0 N V
Specific Conductance iuS/cm at 25°C} Calibration
Specific Conductance Post Check
Std. Value
?,000
200
***Dry Air'**
1,000
200
"**Dry Air***
Temp
L J
x.%
! fA
x.X
_
X.
r
%.X
X.."
Initiai
7
Adjusted
�l
i
^,tier Calibration"
Cell Constant
-'-
� 180.0 -220.0?
< 3-0?
900 -1100?
180.0-220.0?
c 3 0?
,,1
N
N�'
Acceptrble Cell Constant range: 4.0 - 6.0
pH (s.u.) calibration £perform 2-pt calibration for unit 73i 6)
Confirmation
pH Post Check
Stet, Value
_
Temp
Initial
Theo. uia�
Adjusted
7
1�%A
I /��%.:
10
x.xx (� J
4 (for 2719 onjy)
o
7
x.ax
7
/ x.xr.
10
' x.xx
Y,
After Calibration
SlopegMV)
YJ_
Slope (%of ideal)
l^Jith tl a 0.1?
C� J N V
a Within 0.2?
N f
V
Within 0.2?
© N
:vi
/
Acceptable pH slope (mV/pi-!): 55 - 60 mil /pH slope (96 of ideal): 93 % to 102% !deal pH slope= 59 my
`Turbidi y tr ; ; arc e alih:r Lied quarterly, see Turbidity Calibration Book for details
"A ter Cal oration, DO Sensor value, sp. conductance Cell constant and the pH slope / % slope is recorded from the meter'- GLP file
�-/•��,�-J������
F:IsvrllD,;Vision Filesle`Vatcr QuaIitvlMonitofiIig,;P<oferences�.S0Ps',t;reterslarahiveUCaiibratio n S'4\Ca1oration Sheets & Maintenance LegslCaiibraiinii 5heetslYSl-ProPlus Meter Calbratiory ", !:�
Sheet-2019June

ATI CALIBR
Date:
Date:
Time: 7 J
Initials:
POST CHE{C '
Date: 2Z J
Time: J
Initials:
Monitoring pH Data
Min: '7,
Max:
�Flf pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard yp5/cm at
— - - „25'C) -
Std
? et No.
Expiration
200E�l
%Cif l
i000plp
..
l zOz
Post Check- Some Std? ( N J
pH Standard (s.u.)
5td
Lot No. LExpiration
7
0?17P,
�3 zo��
10
C
.z 02 P
Post Check-- Same SWC ! N J
YSI Pro Plus Meter CL ration / Post Check She t
S/N: -71 % _ Hach Turbidity Meter S/N 01�6�
Is
Field Crew: �G �1t'I —_� Study: CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen !DO) Calibration
DO Post Check
Turbidity (NTU)
Teniperature (°C): ✓
Temp (°C); f
DI H;.O (<0.1)
< 0.4 NTU ? I
� N `-�
Barometric Pressure (InHg): ~%l' j
DO (%) DO (mg/L)
X.XX
BP (InHg):
DO (%) DO (trig/L)
%%.X X.%%
Std: 100 NTU-__---n
_
tia!Q
�%X.X
v 7
Lot #
� y ,%
90 - 110 NTU)?
N J
Adjusted
L.
v J
Std Exp. Date:
Z�,� �%
:hart DO (x.xx rng/ DO (°1oJ
,
Chart iJ0
Turbidity meter last calibrated �� Z�1
Within ± 0.5?
N.j
Within ± 0.5?
NJ
Specific Conductance (µS/cm at 25°C) Calibration .�...
Specific Conductance Post Check
Std. Value
1,000
200
x
***Dty Air***
x.x
1,000
x
200
X.X
***Dry Air***
X.x
Temp
/s�
,r
T 2
%G ,Z
/.7
Initial
Adjusted
/ 0 00 v
After Calibration"
Cell Constant
180.0-220.0?
f N
< 3.0? j 900 -1100? 180.0-220.0? < 3.0?
N ,J N J
q N J Y NJ
�k
/ Q
lAcceptoble Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional"
Std. Value
7
X.XX
10
X.XX
4 (for 2719 only)
X.XX
7
X.XX
7
X.XX
10
X.XX
4
X.Xx
renip
7
l -7,7
!
J
r
Initial
'7 .O J
%0, 0
. Db J
, d
a U J
�Q, r`/ J
�f O' J
Theo. pH
7 � Q_Zi
10, d
0b J
1
O Z✓
, 0�
C7 E7
. �r�1
Adjusted
After Calibration
Slope (mV)
Slope (% of ideal)
Wi m ± 0.1?
Y N%
Within ± 0.2?
N J
I Within 0.2?
N
r
V
-
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideaf pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
4After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FASW1Qivisio;n FileslWater QualityUonitorr9%References\SOPSINle'.erslarchivelCalib ration SOPICalibraticn Sheets & Maintenance LogslCalibration Sheets'iYSI-ProPIL15 Meter Calibration
Sheet-20I gAme

CALIBRATION /
Date: l' 7
Time. t� /Z r
J
Initials:
POST CHECK
Date: '?. /
Time: ���. " Z.ba7 /
Initials: 42 6?—
i Monitoring pH Data I
Mlle: r 7
Max: 7, Z
if pH is < 6.01 post check with pH 4.0
Sp. Corductance Standard (µ5/cm at
25°C)
Std Lot 1Jo. Expiration
1100o 2 lo9A- Zozl
Post Check- Some Std? ( ) N J
pH Standard (s.u.)
Std
Lot No.
Expiration
7
1149 70
151,Z oz
10
rJ917
z /
v A �s� 1 Off' kA e--_1 N
r
Y51 Pro Plus Meter C4 -ration / Post Check Sheet
S/N: � Hach Turbidity Meter S//N� 6 o 4o
Field Crew: b _6-.-� �!% Study: 14"174, i444� If l _ CITY OF
DURHAM
Turbidity Pre -Trip Check*
M
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTIf)
Temperature (°C):
<0.n NTu ?J
DI HzO (<D.1)
J
Barometric Pressure (fnHg): z 4�
BP (InHg):2 ,
� N
DO (%}
DO (mg/L)
DO (%)
DO (mg/L)
Std: 100 NTU l _ _Y
Initial
xX.X
Y
X.XX
8,90 t/
XX.X
99, 2-
X.XX
9,
90 - 110 NTu?
Adjusted
�1, ""),%
, 3 ,/
G.
Std Exp. Date:
Z4�1 1
N
Chart DO (x.xx mg/ DO (%)
Chart DO
Turbidity meter lost calibrated >l2 fq2 -V ,/
Within t 0.5?
Within ±0.5?
N
N v
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X-X
1,000
x.
200
X.X
***Dry Air***
X.x
Temp
c 3 J
f J
!
Initial
/ L90 J
a r Z.
.�
%
2 7
C/ J
Adjusted
r d D o j
_�_�_
After Calibration'
Cell Constant
180.0-220.0?
J
N J
< 3.0?
N J
900 -11OD?
! N
180.0 -220V
N
< 3.0?
N
/
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
_
Confirmation
pH Post Check
Optional—
Std. Value
7
X.XX
16
x.Xx
4 (for 2719 only)
X.XX
7
X.XX
7
X-XX
10
XAX
a
Temp
/ 9 l
I
/ z
Initial
r0 J
/D • C?2 J
r0 d
Theo. pH
Adjusted
DZI
i
({�
Q f rf J
OZ��
fter Calibration
Slope (MV)
Slope (% of ideal)
WID t 0.1?
N J
Within # 0.2?
N J
Within ±0.2?
y N
: v'Ahln is
!y Iv p
V
I
Acceptable pH slope (m t//pH): 55 - 60 rnV / pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 mV
Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for detai#s
°After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FAS'111,0vision Files0,&Iaier Qua litylMonito, inglReferRnceslSOPslMeterslarchivF'.Calibratio n SOPCalibration Sheets & Maintenance LogslCalib ratio n SheetslYSi-ProPlus Meter Calibration
sheet t i9!Gne

YS! Pro Plug flee ra n; 1 Post Check Sheet
JS N: 7 Hach .: iJlly Meter S/N tt
Field Crew:___ 4 .- _,�)17 Study:
CALIBRATION
Turbidity Pre -Trip Check` Dissolved Oxygen (DO) Calibrattan
Date:
" /
Turbidity (NTU)
Temperature
lBarometric
Time:
la
1
< O ct ntrN �
DI H2O (<0.1)
Pressure (InHg): =
Initials:
DO (%) DO (mg/L)
-
Std: 100 NTU
XX.X
ln1tW
POST CHECK
Lot # A 0 0 90 - L1 E! NTI: r
€ : iIESCad ✓J 7,
Date:
2 2
Std Exp. Date: Z ! N
Ci_ xxx mg/ DO (%} cJ
Time:
T._
,' %J
Turbidity 12 Ii
'9
Within ± 0.5?
Initials:
—
meter last calibrated /L—M
_
N
Monitoring PH -
Data
Min: �[ 7
Max:
If pH is < 6.5, post check with pH 4.0
Sp. Cor ductaace Standard JpS/crn at
25°C)
Std r let No. Expiration
200 [-_7 Lq0 S`0
past Check- Some Std?(Y N
pH 5landac'ci �s.u.)
tr' Lot No.
Expiration
7
~.0 917 C
Z Z
4 6),
-Z
Post Check- Some Std? V N
J
J
CITY OF
DURHAM
DO Post Check
Temp ('C): / 2, �
BP (InHg): .7—!7, 2 13
DO (%)
X.X.X
DO (mg/L)
X."
Chart DO
Z
Within ±0.5?
,r"') Nf
Specific Conductance (µS/cm at 25°C': Calibration
Specific_ Conductance Post Check
Std. Value
i,000
X.
200
a.X
...
1,000
X.
200
X.X
***Dry Air**'
XA
Temp.
, 7
Z
12
) l
Initial?
ArHjusted
r7—
lCeQ J
ZC /r �j
C J_ J�—
_
After Calibration"
Cell Constant
3.80.0-220.0-
N J
< 3.0?
iJ
900-13-00?
N
180.0-220.0?
Y N
< 3.0?
N
Acceptable Cell Constant rcnge: 4.0 - 6.0
pH s.a.) Calihsation (perform 2-pt calibration for unit 4366)
Fftd
Confirmation
pli Post Check
option l!
.freiue 7
�..a�__
±}
4 (for 2719 only)
7
7
10
4
K.X%
ps� Temp
,7
X.XX
.,
X...XX
T,, X,X
-7:
X.X.X
Y i�
�1 1:
Initial ✓
"
Z
�r 0
`fir '
(
-
U, 7 J1`
f 7'.
�-7-
Theo.
e9 j
!
`�
r
—7'G�ZJ
7 , 0
pH 102
%f�•/0
�Q
7H 7,J
���J
'e,p,l
Adjusted
—J
_�U
Wit n ± 0.2 r
.-`
r
[ter Calibration
I Slope (mV)
Slope.(% of ideal)
_
WithiIn = 0.3?
With' - ± G.2?
-)
I / --
N
N j
I N ,�
J
Acceptable pH slope (inV/pH,: 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% ideal pH slope = 59 rnV
"Turbidity meters are calibrated quarterly, see Turbidity Capp; ation Book fordetaiis
'[After Calibration, DC sensorv?Lic-, s i. con tis-ra .re cell constant and the pH slope/ % slope is recorded from the weter`s GLP File
F:1SW\Division FileslWater Qua lity!Monitoring'•References',SOPS"Ar-,terslarchiVelCa!ibration SOPS Ca!ibratlon Sheets & Maintenance L crgslCalibra:ion SheetslYS -ProPius Meter CDfibration

CALIBRATION
2 '%✓�.Z C
Date:
Time: l G
j
J
Initials:
POST CHECK
Date: Z flZ
Time:
initials: CJ/y1
Monitoring pHl Data
Min:
Max:+
If pfi is < 6.9. post check with pH 4.0
Sp. Conductance Standard (µS/crn at
25-C)
Std
Lot No, Fxpiratiori
200
Ze06 gC-
1000
Z Dam c?�
ZD�1
Post Check- Some Std? J ] N '
pH Standard (s.u.I
Std
Lot No.
Expiration
7
/ v
3 1 0.4
n
�0/7C
21
A
�7_e_q o 3 f 1A
Post Check- Some Std?U) N
J
j
YSI Pro Plus etgr zL. aration I east Check Sheet
S/N: C` C>-- __-- Hach Turbidity Meter S/N
Field Crew: 1-1Study: ,'vIr/_14 F ��
Turbidity Pre -Trip Cht�ci:` Dissolved Oxygen (DO) Calibration
Turbidity (NTU) .i,=:tune (°C): 7
DI H2O (<0.1)
<0.4 NTU
9
N _
R L�ro;nerric Pressure (InHg):
_—.__
3
inutiai
LZ
DO (%)
xx.x
DO (in-:g/L)
x.xu
Strd: 100 NTU
�QZ ✓
Lot #
0e, 7 j
W_
94i 310 PIT!?
rj"), N
Rr�j .acted
DO (x.xx mg/
DO
Std Exp. Data:�y�Z
Turbidity meter fast calibrated -� /� 2 /J
rChart
_J
Within ± 0,5?J �rJ N
Specific Conductance (,6/L:r. at 25°C) Cali= —.:ion
Std. Value
:,000
200
Temp
17
Initial
3
Adjusted
J
After Calihration4
Cell Constant
180.0-220,f012
_
_
Y N
Acceptable Cell Constant range: 4.0 - 6.0
15
CITY OF
DURHAM
DO Post Check
Temp (`C): f . Z
BP (InH& �t�7,
DO {%) DO (mg/L)
x.xx
Chart DO
Within ± 0.5?
)Specific Conductance Post Check
`Dry �,i `"'
x.x
1,000
x-
200
x.x
***DryAirY`*
x.x
/ 7. 11
�t�f-7
(
?.0?00
N J
1100?
R/ N J
18i�,.�0j-220.0j?
1 /sr N J
< 3.0?
JI N�
:)H {s.u.) Calibration (perform 2-pt c.siibrat:on for unit 4366) Cuniirrna.ian
pH Post Check
Optional—
i Std. Value
7
4 (for 2719 only)
!� 7
7
10
4
M1.xx
.
x.xx
x.::x
x.xx
x.xx
Teinnp
/ /
Initial
-740
ld�t_S
f._
�.d_�
?.d_
/7
Theo, pH
i
/
G r Ci � J
�.' �' �
$ C1 7-J
a F 0 f
� 0 C2 -=
Adjusted
I
Calibration
Slope (rnV)
Slope (`y of ideal)
. -_iJ
i
Within 0.1?
jj_
With702Within
± 0.2?,
�%
`;fter
J
Y N
(1
Acceptable pH slope (m L//pH). 55 - 60 r::' /,,a i s`.,pe r £ of ideol): 93 % to 102% Ideal pH slope = 59 m V
"Turbidity meters are caliblaiea ;a!sa tier#; - en TL:rfjidity Calibration Book for details
"After Calibratinn. DO sensor value, conductance cell constant and the psi slope i Y. slope is recorded from the meter's GLP file
FASW\Division FileslVVater Qua IityWonitoringlReferences',.SCtPsildetersiarGhiva\CaIibrat€c.n SOP',Galibration Sheets & Maintenance LogsiCalibration Sheets1Y51-PmPius, Meter Calibration
She€ '- _0 ` 9,luno

CALIBRATION
Date:
Time: -7 J
Initials: Y
POST CHF- ,
Date:
Time! op
Initials: D /1
Monitoring PH Data
Min: _ r
Maxi
If pH is < 5,9, post check with pH 4.0
Sp. Conductance Standard f µS/ent at
25°C)
5td Lot No.
Expiration
200
c Z02/
r 1000
000�
Post Check- Same Std? W) N
pH Standard Is,u.)
Std
Lot No.
Expiration
703.67
10
4
2600 A
Y2091
Post Check- Same Std? CYI, • N'
,%
YSI Pro Plus Meter C ;radon / Past Check She/et
) S/N: � -7 /) Hach Turbidity tvieter S/N � � h 0
15
Field Crew: hG J/`7 - --- Study: "� J� 1U
ouRHAm
erla
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C):
Temp (,C): -2-
DI H O (<0.1)
< CIA NTU
N
Barometric Pressure
(Inft: � �,
2�r �
BP (InHg): ?'Y,
3 3,3,
Initial
AKji.stedd
Chart CT? tx.xx rag/
DO (%)
`'-
i%,}
DO (mg/L)
]�
]
DO (%)
Chart DO
I DO nlg/L)
Std: 100 NTU
Lot #
/ %' V
oe, 4 �
- —
90 - 110 NTU?
j/ N
5td Exp. Date:/
��� r
m[•�
Turbidity meter last calibrated
Within ± 0.5?
_,N
Within ± 0.5?
Specific Conductance (µS/cm at 25'C) Calibration.
Std. Value 1,000 M00
I
Temp
Initial 7 iJ % •J1 C J
Adjusted
Cell Constant 180.0-220.0?
After Calibration 1
Acceptable Cell Constant range: 4.0 - 6.0
Specific Conductance Post Check
1,000
X.
?00 �***Dry,
X.X.
Air`
x.x
­77
&
D
900 -.1i00
/�) NJi
180.0-220.0?
nNJ
- 3.0?
4 N�
pt? (s.u.) CaNbration (perform 2-p! calibration for unit 4366)
confirmation
pH Post Check
Std. Value
7
10
4 (for 2719 only)
7
7
ii : n
I
4
Temp
x.xx
17, �%—
-_
x.xx
7 d
f 7XAX
/17-7 .�l{
0 r x x
x,xx
X.XX
x t,
49
lnitia?
.
'-��
�
r �i�
�. J
j r0.
Theo. pH
/0- 119
0Z__
t;��f
-(J(
�/;r✓�
Adjusted-� 7J
-_
fier Calibration
Slope (mV)
- �
Slope (% of ideal) Within ± 0.1 r
�- - 9 N J
Within ± 0,7?
N /
Wit in ± 0.2?
N
�
�
J4�
Acceptable pH slope (m Il/pH): 55 - 60 mV ; pH slope (% of ideal): 93 Y. to 102%
ideal pH slope=/59
mV
I urbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
'after Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FASW1Division FileslWater Qua IitylMonitcring\,References\-SO FsA4aterMarchivekCaIibration SOP\Calibration Sheets & Maintenance L.00s\Calibration SheetslYSI-iaraPlus Meter Calibration:
Sheet-2019June

CALIBRATION
Date: z Oz I
Time: 7
Initials:
POST CHEC
Date: Zak
Time:
Initials:
Monitoring pH Data
Min:
Max:
if pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (peS/cm at
25°C)
Std
Lot No.
Expiration
Z00
p rf% 9
I
1000
,CQ
S
Post Check-- Some Std?( X1 N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
o _
J off^
10
' I917C
;7-
4
Z d 3 A
7,02(
Post Check- Same Std? Q) N
v
YSI Pro P1u5 Meter C. ration / Post Check Sheet
/
S/N: �,�/ % Hach Turbidity Meter S/N
in
Field Crew: L i? Study: ' Gj, '�,� ] z- DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Feffiperature (°C): '2
Temp (°C): �,
DI H2O (<O.1)
r �7
< 0.4 NTU ?
d N
Barometric Pressure (InHg): '�GriF 1P1
_
BP (InHg): ,
DO (%)
XX.x
DO (mg/L)
x.xx
DO (%]
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
(e °
Initial
?.7 7
Y,( J
'7y
Lot #
Q 2
90- 110 NTU?
0 N
Adjusted
/. j
9,11,57 f
—
—
Std Exp. Date:
Z �� f
Cha t DO (x.xx mg/ DO (%)
/ <-( t� J
Chart DO
9, z
Turbidity meter last calibrated fz 0
Within ± 0.5?
N
Within ± 0.5?
ZL9 NJ
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,700 200
K. X.x
***Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
x.x
Temp
r
Initial
/O0_1_. -Q A(J
v
J
Adjusted
/,P p
After Calibration"
Cell Constant 180.0-220,0?
N J
< 3.0?
N
900 -1100?
j
/ N J
180.0-220.0?
N J
< 3.0?
N J
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional"
Std. Value
7
x.Xti
10
x.xX
4 (for 2719 only)
x.XX
7
X.XX
7
x.XX
10
x.xX
4
X-%X
Terrp
7
=T
J J
lnitiai
Q `Z
.r J
_
'
, 1�79
%► V,
/ Q• I
Theo. pH
7 r O f` J
• ®
7R �'
E� %
D
Adjusted
�// 0 6
fter Calibration
Slope (mv)
Slope (% of ideal)
Within ± 0.1?
N
Within ± 0.2?
+
N J
Within ±0.2?
r
vfitf r. G
N
�c )
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% !deal pH slope = 59 my
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
;After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
U,�
F:ISW1Division FiieslWater Quality\Monitoring\References\SOPs\Meters\archive\Calibration SOMCalibrat;on Sheets & Maintenance Logs\Calibration SheetsWSI-ProPlus Meter Calibration
Sheet-2019June

YSI Pro Plus Meter L. � atlon / Post Check Sheet
5/N: 3gg5;;J _ Hacti Turbidity lvieter S/N
Field C.'ein'%-—�iv7_ -- St�dy:/� 2>1 CITY OF
DURHAM
CALIBR;.T!ON Turbidity Pre--fr;p Check* 4' W m v Dissolved Oxygen (DO) Calibration DO Post Check
Date: _YZ / Z-49P =w� Turbidity (NTU) �! einpera re ('C). �? J� Temp (°C): 7_fv. Z.
Time: — }.�)
I �c { .4 hTL r ! a , n ;,:'i€ Nressure #!nHg}: °� % SP (InHg): Z _ �g
i r!:.iY i
initials: --Or'j --- t� r 3 l� h €i k Cf7 ('/�} DO (mg/L) DO (%) DO (mg/L)
X.XX xX-x X.Xx
Sid: 10:t N_TU 9 3 O f Initial
POST CHEC;------- Lot QD `1 � 90 - 110 NTu? Adjusted 1 _29, 3O �
Date: Std Exp. bate: Zp�( 1 N ,/ lChart DO (x.xx mg/ DO (%) 9, Chart DO D j u
o n + 0'5? Within ± t9.5 ?
Tune: Withi ���. / �__ Turbiriit}, meter fast [clibra?ed ��/o�Z�/� fJ�i e
Monitoring pH Data
Alin
If pH is < 6.9. post check with pH 4.0
5p, Conductance Standard (gS/cry at �
25'C)
Stri Lot No. — Exp:; a"nor,
zoo Zoo � e
1000rLLlDg/ 10 ?D;k1
f'c75i t r7PcK- Same Std?y N
pit Standard (s.u.)
S,--d L of No.
Expiration
—� 0 7
zoz
10
a�3ri!�
nor
Post Check- Same Sid?( IN
p -d . (µS/ r ,l €,€ Specific Conductai.ce Post Check
] �_Li=i.. :..Cud U.tuii�c Cr?1 2t _5� , ta. _. �diCa� - z
�ystd. Value j 11001; f� 200 ""Dry As; 1,300 200 Dry ^ir***
x. x . � I X.x X.X ..
JI
Initial +.- ldpb —1_ Z ��, 2� �— fj �i�l G'" •_I- J J
Adjusted �'00 r7 J � J,
Adjusted — -
10Gt 15 .G
Cell Cur startt 7RC.0-22^.0:' 3.C€? R.ti w1 'i r�' ! . ?.u?
i 0.
After Calibration`
4cceptable Cell Constant range: 4.0 - 6.0
pli rs.u.) Cal'.b: aJon (perform 2-pt calibration:
Std. Value io
XAX X.XX
Terip _ 0 yJ I Z� z9
Initial
ThEo.pH a, z9
Adjusted _ fir D 10
for unit 4366)
4 (for 2719 only)
X.Xx
Confirrnation
7
X.XX
pH Post
7
X.xx j'
7, Ci /
Check
1C
X.Xx
D
�`�: �?
4
X.xx
c
Slope (.mV) Slope (% of ideal)
fter Calibration
€CJ - _ / � €....�..
".r� h
Within ± 0.j
� .' J
r 'J�liihin ± 0.�:
it - N
�tiiitnir� ± (l.?
i y N
ditl€i _
if
Acceptable pH slope (mV/pH): 5S - 60 null / pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 my
'Turbidity ureters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DJ s2r,,or value, sp. conduct nc�- cell constant and the pH slope / % slope is recorded from the meter's GLP file
F.ISWIDivis€on FilesMater QuaiitylMonitoringlRefer;--r,.�;eslSOPslMeterslaichsvelCalibration SOP%Galibration Sheets & Maintenance Logs',Calibraticr- Sheets!YSI-ProPlus Meter Cai oration
Shee,-201 °.tune

CALIBRAT %NN
Date: 3/�a
Time: ' (t
Initials: M
POST CHE�CK
Date:
Time:
Initials: I� J
Monitoring PH Data
r
Min: 6.
1
Max: %• 0 J
= if pH is < 6.9, post check with pH 4.0
5p. Conductance standard (ftSiern; at
25'C)
Std
Lot No.
Expiration
1000
Post Check- Some Std? N
PH StandiaMi ftaiLp
Std Lot No.
Expiration
7
I 00)I'7 P
t,wJ
10
4
06 911 n
3 yoJ
Post Check- Same Std?� n) N'
YSI Pro Plus
/Meter C. iration / Post Check Sheet j
S/N: y jGJ4J Hach Turbidity Meter S/N 79P�
Field Crew: L t] .� Study: i1�1 7r�[r J! CITY 4F
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): /0 . L
Temp (°C): 2 �,
DI H2O (<0.1)
67, 1
< 0.4 NTU ?
11) N
Barometric Pressure (InHg): ,�`�. _
BP (InHg):
DO (%]
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
/ 0 J
Initial
Lot #
004 ' J
90 - 110 NTU?
N J
Adjusted
9.i7 J
Std Exp. Date:
2 ] ,,J
Chart DO (x.xx mg/ DO (%)
9. //
Chart DO
,76g; J
Turbidity meter last calibrated ✓
Within ± 0.5?
v N 4 1
Within ± 0.5?
g NJ
Specific Conductance (µS/cm at 25"C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
?CF_L
Initiaf
rl>©Z
/G�i
Adjusted
o J
After Calibration"
Cell Constant
180.0 -220V
y N. j
•J V
< 3.0?
� N
12
900 -1100?
N
190.0-220.0?
N 1
V
< 3.0?
N J
V
Y. J
Acceptable Cell Constant range: 4.0 - 6.0f
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional"
Std. Value
7
x.xx
10
x.xx
x.xx
7
x.xx
7
x.xx
10
x.xx
4
x.xx
Temp
L� lam.
? "/
Z O, �% `�
Z 3 J
zZ
Initial
/0 , 4)
7
73
Theo. pH
�%. O %
/V, z7
7 671
7,0 /
/a, J
Adjusted
�Q, 6 �]
fterCalibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1?.
J N J
Within ±0.2?
N
Within ± 0.2?
/ N ,I
W;dli n _ 0 '.'
G N`'
% J
a
Acceptable pHslope (m /pHJ: 55 - 60 mV / pH slope ( % of ideal j: 93 % to 102% Ideal pH slope = 59 m V
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FASVV\Division FileslWater Quality\Monitoring\References\SOPs\Meters\archivelCalibration SOP\Calibration Sheets & Maintenance LogslCalib ration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date:
Time: 7.
Initials: 120
POST CHECK
Date: t•fi/4C)1
Time: l 1
Initials: ( f
I Monitoring pH. Data I
Min: I -1-
Max: (12
R if pH is < 5.9, post check with pH 4.0
Sp. Conductance Standard (KS/cm at
25°C)
Std
Lot No.
Expiration
200
LOC?218e
x, epZ
1000
Z d o,6lO eT
Zdy-l
Post Check- Same Std? \YJ N
pH Standard (s.u.)
Std
T Lot No. Expiration
7
f7
101.7-7P
10
—
10147 C
�T1y2
4
;-a0 3/lA
G
Post Check- Same Std? V N
YSI Pro Plus Meter C` iratioin / Post Check Sheet
��
S/N: � /7 y� Hach Turbidity MeterS/N In�G%��
Field Crew: 'S`s �`� Study: � 61 CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): Z 2 . L
Temp (°C): "
DI HZO (<0.1)
,,��}}
lJ ©G]
J
< 0�.4 NTU ?
lY.2 N
Barometric Pressure (InHg): [
BP {InHg};
DO (%)
XXX
DO (mg/L)
x.xx
00 (%)
XX.X
DO (mg/L)
XAX
Std: 100 NTU
Initial
Lot #
A /P
90 - 110 NTU?
t� N
Adjusted
2
Std Exp. Date:
7-2
Chart DO (x.xx mg/ DO (%)
6 7
Chart DO
9.
Turbidity meter last calibrated
Within ± 0.5?
N
Wit_hri'n�± 0.5?
gip/ N
Specific Conductance (µS/cm at 25"C) Calibration
Specific Conductance Post Check
Std, Value
1,000
X.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.x
***Dry Air***
X.X
Temp
Z 2 -1 J
2- -3 J
2— j, J )
Initial
lf�,A J
G J
`s J
<) t% J
.CL) .J
Adjusted
J
After Calibration"
Cell Constant
180.0-220.0?
r-Y N J
< 3.0?
y' N J
9 0-1100?r
N 1
180,0-220.0�
O N
< 3.0?�
N
f
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional`
Std. Value
7
X.KX
10
X.XX
X.XX
7
X.XX
7
KAX
10
X.XX
4
X.XX
Temp
? 2 7
2� J�
Initial
�, +7 f
%O o� -/
r !l/
% ' O
J
J
Theft. pH
✓
7 • G1.7
CJ J
M 0 3 J
Adjusted
fter Calibration
Slope (mv)
Slope (% of ideal)
Within T 0.1?
N
Wit m ± D.2?
N f
Wi sr ± 0. 2?
Yr NJ
UVithin - 0.2?
Y N
9
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
i ASWIDivision FileslWater Qua litylMonitoringlReferenceslSOPslMeters\archive\Calibration SOP1Calibration Sheets & Maintenance LogslCalib ration SheetslYSI-ProlDlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: 3 4 9
Time: 7, 14
Initials: l7 1,1
POST CHEC
Date: �/ (?[I I
Time: U.1 Q
Initials: OK I
Monitoring pH Data
Min: tp . /
Max: -7
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (yes/cro at
25°C)
Std Lot No.
Expiration
200
W�,,_D2 1
loon ^ oa - (, .
`'9 Z_,1. f
Post Check- 5ame Std? OI N
pH standard (s.u.)
Std
Lot No.
Expiration
y
10
C -7C
- a�2
4
/y
1-p:3llA
xo2,
Post Check- Some Std?Ul N
J
YSI Pro Plus Meter C_ ,gyration / Post Check Sheet
S/N:- 7 t 9 Hach Turbidity Meter S/N�d .z_`�
Field Crew: &�� L Study: A;:26, 2?r r.¢ Z�' Z CITY
I OM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ("C): �_ Z : G'
Temp CC): Z Z , `/
DI Hz 0 (<0.1)
< 0.4 NTU ?
` N
Barometric Pressure (InHg): �, 7 j f
BP (Irl Z) ,PJ
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx_.x
DO (mg/L)
x.xx
Std: 100 NTU/
Gj J
' (
Initial
YS, 1
Lot 4
,/-� flJ `� �7J
90 - 110 NTU?
N J
Adjusted
-
Std Exp. Date:
'6A 9 (J
lChart DO (x.xx mg/ DO (%)
9fl J
Chart DO
Turbidity meter last calibrated ,xr Z
±
Within 0.5?
N J
Within 0.5?
±
N
Specific Conductance (µ5/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
x.x
***Dry Air***
X.X
1,000
X.
200
x.x
***Dry Air* **
x.x
Temp
'L2
Z 2. 1
7 3
7
_/
Adjusted
After Calibration
Cell Constant
180.0-220.0?
N ,1
< 3.0?
N J
900 -1100?
N J
180.0-220.0?
® NJ
< 3.0?
NJ 11
.✓
Acceptable Cell Constant ranee: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional•
Std. Value
7
x.8x
10
x.xx
(Ii:i i :..'
X.xx
7
X.Xx
7
x.XX
10
x.xx
4
XAX
Temp
ZZ�
�2,�
_"ice.
?� ..!
23 11
13,
Z
initial
lAy f
9$ J
57J
-�7, e? -z-J
J
lo- o
4
Theo. pH
Gi /
10• p J
% J-7,G'
G>
7._-. o - i
%G' • G
` [7 f
Adjusted
After Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
N J
With n ±0.2?
J N J
Within ± 0.2?
r
( NJ
vvithill 0.1..?
Nv /
Acceptable pH slope I'mV/pH): 55 - 60 mV / pH slope ( Y. of ideal): 93 % to 102% Ideal pH slope = 59 m V
F
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:ISW0ivision FileslWater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SOMCalibration Sheets & Maintenance Logs,Calibration SheetslYSI-1 lus Meter Calibration
Sheet-2019June

CALIBRATION
Date:
Time:,
Initials:�"�
POST CHECK
Date:
Time: f� 1
Initials:
Monitoring pH Data
Min:
Max:' /
If pH is < 6.9, post check with pH 4.0
5p. Conductance Standard 116/crp at
24`C)
Std
Lot No. Expiration
200
Zap®:Z
1000
e-70 Paz
Yost Check- Some Std? D' N' /
pH Standard (s.u.)
Std
Lot No.
Expiration
7q-
io
(L91� 7C
gaz
Post Check- Same Std? 1J ' N J
YSI Fro Plus Meter C_ 3ration / Post Check Sheet
i
S/N: .2 7) 9 Hach Turbidity Meter S/N
I &
Field Crew: Study: '41" 6, CITY OF
- 1URHAM
Turbidity Pre -Trip Creek'
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): Z f ,
Temp (°C):
DI HZO (<0.1)
�7 f
< 0.4 NTU ?
N f
Barometric Pressure (InH& a 9 J
BP (InHg): �, Y
DO (%)
XX.X
DO (mg/L)
X.XX
DO t%)
xX.x
DO (mg/L)
X.xx
Std: 100 NTU
Initial"
Lot #
a p `7'
90 - 110 NTU)
N
Adjusted
2 9. 2Z
j, ,!59
Std Exp. Date:
j -pF l /1
Chart DO (x.xx mg/ DO (%)
9 %
Cha3 i !7O
' / 3
Turbidity meter last calibrated if %
Within ± 0.5?
N f
I
Within ± 0.51?
, y N l
Specific Conductance (uS/cm at 25°C) Calibration a
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air**"
X.x
1,000
x.
200
r..x
*"Dry Air***
x.x
Temp
Z r.
Jnitia>
Adjusted
�Q
G''
After Calibratian4
Cell Constant
180.0-220.0?
NJ
_ < 3.0
N
aU -1100 ? m
LNJ
180.0-"220.0?
61N
<{ C �'
- .
y N J
Z.j
Acceptable Cell Constant range: 4.0 - 6.0
pia (s.u., Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional"
Std. Value
7
X.xx
10
X.XX
4(€or 2719
X.XX
7
X'XX
7
X.XX
10
X.XX
4
X.xX
Temp
Zri 7 l
�Z1//` 7
2 2 7
Initial
/
�� r J
7s 622 J
7, C" 7
_ O 71
-7—
J
Theo. pH
or
0c,
ot-r-i
r J
Adjusted
_
J
VterCalibration
Slope (mV)
S#ape (% of ideal)
Within ±0.1?
NJ
Within ± 0.2?
N J
Within ± 0.2?
r N
vVi, ; = 0
J
J
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideol): 93 % to 102% Ideal pH slope = 59 mV
- r urbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
r�
n_j
FAGW0ivision FileslWater QualitylMoriitoringl.QeferenceslSOPs\Meters,archivelCalibration SOP1Calibration Sheets & Maintenance Logs`Calibmtion SheetSWSI-ProPlus Meter Calibrat+on
SheeL2019Sune

CALIBRATION
Date: `j l 9
Time: —7 i
v
Initials: '7
POST CHECK
Date: . 2 ,/l tr-,�L h
Time: II:2.t J
Initials: (4L
Monitoring pH Data
Min: 6.S
J
Max: 7.'4
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µ5/cm at
25`C)
Std
Lot No.
£xpi ution
200
C/ r � &
loon
2bCJ , ��
2��r
Post Check- Same Std? UN
pH Standard (s.u.)
Std Lot No.
Expiration
1U
4
a r
Post Check- Same Std? V) N
YSI Pro Plus Meter C, aratlon / Post Check Sheet
S/N: -,/ Hach Turbidity Meter S/N L, 6 cos
Field Crew: S'5, 7 Study: � ,J; �G,! CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ff): 2 v 7
Temp ('Q: ,-Z•
DI H2O (<0.1)
0 ` J
< 0.4 NTU ?
N
Barometric Pressure (InHg): Z �, %
BP (lrHg): 3� , g,:Ly
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
&%o%J
Initial
%6'/- -7 J
'�
1 pc, , -L
�_-7 7 -'
Lot #
fJ 7 0)
90 - 110 NTUI
d2 N
Adjusted
6 J
Std Exp, Date:
,Z d L 1
Chart DO (x.xx mg/ DO
Chart DO
.7 LAJ
Turbidity meter last calibrated M 2 a,,z Ii I
Within ± 0.5?
N /
Within ± 0.5?
Y N.J
Specific Conductance (uS/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
i 1,000
X.
200
x.x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.X
Temp
2,jr
22. q
77• At 7
23.6 j
23. j
initial
l ao %
'? © _ 1 !
j
K7 1
Adjusted
7"_0 ] 1
n
After Calibration
Cell Constant
180.0-220.0?
N,
< 3.0?
NJ
900 -1100 ,
N
I 180,0-27-0.0?
N J
< 3.0? ,
N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional i
Std.Value
7
x.xx
10
x.xx
x.xx
7
x.xx
7
x.xx
10
x.rx
"
v X
Temp
-"—Y
Z Z
U J'
'�
3. 7
Initial
.9
/0, 00 j
`_ ,
`l D 2)
7 OE5+/
J
14. 03 J
Theo. pH
! [ �
/� . ®`�J
t dr�� J
`L . (�� J
7 . J
to,plj
4,01 f
Adjusted
fter Calibration
Slope (mV)
Slope (%of ideal)
Within ± 0. ?
IV
Within ± 0.2?
N
Within ±0.2?
i1 N f
V
',,.1lihlil J.: 0.2'
T� N J
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (So of ideal): 93 % to 102% ideal pH slope = 59 n?V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, 00 sensor value, sp. conductance cell constant and the pH slope / Y. slope is recorded from the meter's GLP file
6 7I -4
F 1SW0Msion FileslWater Qua?itylMonitoringlReferenceslSOPsNMeterslarchivelCalibration SOPICalibration Sheets & Maintenance LogslCallbration SheetslYSI-ProPlus Meter Calibration
Sheet-2019J une

CALIBRATION
Date:
Time: 7,70 J
Initials: 0 1-1
POST CHECK
Date: SA I /�2-+
Time: ICE ::;-Q1
Initials: Ls i.
Monitoring pH Data
Min: ? ( f
Max: 7,5 J
if pH is < 6.9, post check with pN 4.0
Sp. Conductance Standard(VS/cm at
25°C)
Std
Lot No,
Expiration
200
z O 08/9 e-
. (
loon
-zoo 0195
'-o2 r
Post Check- Some Std? rVN
pH Standard (s.u.)
Std
Lot No.
Expiration
7
lb/Z7
zQy
10
2,
4
Z, 0
n� r
Post Check- Some Std?(Y ) N
l
YSI Pro Plus Meter C, gyration / Post Check Sheet
S/N: 7 a Hach Turbidity Meter S/NN [4©
Field Crew: L l� Study: f 7�-4 P Z cIry of
puRInm
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): 2 z ,
Tempcc): 21.7 J
DI H2O {<0.1)
z 1
< 0.4 NTU ?
N
Barometric Pressure (InHg): 2�
BP (InHg):
DO (%)
XX.K
❑O (mg/L)
X.XX
DO (%)
KX.X
DO (mg/L)
X.XX
Std: 100 NTU
/,�,
Initial
lot #
, /0�g
90 - 110 NTU?
' N
Adjusted
5td Exp. Date:
�j p��
Chart DO (x.xx mg/ DO (%)
1
Chart DO
Turbidity meter last calibrated I_k;Zl
Within 0.5?
Y N
Within ±0.S?
.jNJ
Specific Conductance (µS/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.x
1,000
X.
200
X.x
***Dry Air***
X.X
Temp
2
Z 2.
, t
'Lit . a
Initial
/'O OD
Ca�. 4 J
C' �7 J
c4��� ✓
2z�ss, 3 J
a � J
Adjusted
% e? (? J
After Calibration"
Cell Constant
180.0 -220.0?
N J
< 3.0?
6Y N!
900 -1100?
© N
180.0-220.0)?
Y N t/
< 3.0?
Y N
�5
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional"
Std. Value
7
X.XX
10
X.XX
X.XX
7
X,XX
7
X.XX
10
X.XX
4
X,XX
Temp
�� .- -
Z 3, -3
�-3. '3
3' /
'i.i J
y.a
Initial
.v r (i -)
`j
71 62 4
-7.EW '�
ib.05r J
Theo. pH
-7� 0 l
167, © J
d ( \I
—7'
s `Qa J
7. 1
- 2-
Adjusted
i
After Calibration'
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
��/
Cr'' N J
Within ± 0.2? 1
�!
N
Within ± 0.2?
N f
Within + 0 2?
Y N f
�'
1 1
Acceptable pH slope (mV/pN): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensorvalue, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FASW\Division FileslWater Qua lity\Monitoring\Refere nceslSOPs\Meterslarchive\Calibration SOP\Calibration Sheets & Maintenance Logs\Calibraton Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: y z
Time:
Initials: ��)M
POST CHEC
Date:
Time:
Initials: U'il
I Monitoring pH Data I
Min: (%7 r
Max: —7� I
Yw
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
tot No.
Expiration
200
nn
1000
2 00
aQz
Post Check- SomeStd? tq N"
pH Standard (s.u.)
Std
Lot No.
Expiration
7
Z i©/,; '7 P
2oz1-
10
I0 z7G
VicZL
4
; 5�
? 2D1, f
Post Check- Some Std? Or N
i
YSI Pro Plus Meter C, .)ration / Post Check Sheet
S/N: `d 3vti� Hach Turbidity Meter S/NAA IN
Field Crew: 54- PI-7 Study: 4--/- !P( CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 2 5,3 r
Temp (°C}; Z y,
DI H2O (<0.1)
����
<0.4 NTU ?%
N 1
Barometric Pressure (InHg]: q, �'� %
BP (InHg}: _ 5P, 39
❑O (%)
XX.X
DO (mg/L)
X.XX
DO (%}
xx.X
DO (mg/L)
X.XX
Std: 100 NTU
1
/ 06'
Initial
�,. ( /
' ..�j -7 1
Lot #
/& J
90 - 110 NTU?
Y N `�
Adjusted
! _,`Q
3-7
Std Exp. Date:
Chart DO (x.xx mg/ DO {%}
Chart DO
Turbidity meter last calibrated 3 2 ��
Within ± 0.5?
Within k 0.5?
NJ
Specific Conductance (µ5/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
'L3•
7 �J, J
2�� j
z�.
Initial
Adjusted
After Calibration"
Cell Constant
180.0-220.0?
N J
< 3.0?
1"e) NJ
900-1100?)
N V
180.0-220.0?
NJ
< 3.0? }
� N u
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
OptionaC'
Std. Value
7
X.XX
10
X.XX
X.XX
7
X.XX
7
X.Xx
10
X.XX
4
X.XX
Temp
23 - J
23 J
3,
Z 3,
5
2 `
Z1.*3
Initial
-7
J
"/. 27 J
,��,7., 8 J
7- 6 3J
1,9• D J
3_ 3J
Theo. pH
7 , ab
Xj a( f
7, Pia
7. 00 f
167. O'L
D ,f
Adjusted
Slope (mV)
Slope (% of ideal)
With jn ±- 0.1?
�) N J
Within ± 0.23
N V
Within ± 0.2?
N
tl.ir: a u
; N L)
.�
.7
AcceptofterCalibration'
ble pH slope (mV/pH): 55 - 60 mV / pJH slope (% of ideal): 93 % to 102% Ideaf PHslope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensorvalue, sp. conductance cell constant and the pH slope / °% slope is recorded from the meter's GLP file
FAS=Division Files\Water Qua lity\Monitoring)ReferenceslSOPsNeterslarchive\Cakbration SOP\Calibration Sheets & Maintenance Logs\Cafib ration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION �� 7
Date:
Time: S J
Initials:
POST CHECK
Date: k i(5-12_1 _
Time: 12:30
Initials: &=
Monitoring pH Data I
Min: 7.3
Max: 7, 4 —
1f pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (gS/cm at
25°C)
Std
Lot No.
Expiration
zaa
20tJ G
2D�r
10oo
1-00 /9
ZpZ
Post Check- Same Std? U N
pH Standard (s.u.)
Std
Lott No.
Expiration
7
}�
h �I z�f/
1122
10
4
Past Check- Same Std?UY N
J
YSI Pro Plugs, Meter C6..aration / Post CheckSheet
S/N: '^/ 3 irk Hach Turbidity Meter 5///Nf� , / Do is
Field Crew: 1� L Study: 44, �,-Cwk CITY or
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Ternperature (°C): -z
Temp (°C): 4.-7
DI H2O (<0.1)
�, 2 J
< 0 NTU ? r
N �J
Barometric Pressure (InHg): 2
BP (InHg):
DO (%j
. xx.x
DO (mg/L)
x.XX
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
f 0 1 %
Initial
9 j
g , `J l
Lot #t
�st7E,ip.
4 la yD �
90 - 110 NTU?%
0 N `'
Adjusted
. d J
j©
Date:
5 p 2E,J
Chart DO {x.xx mg/ ❑O (fin]
2 7
Chart DO
i
Turbiditymeter last calibrated 1'
Within ±0.5?
a N
Within ±0. `?
Y N \/
Specific Conductance (µS/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
x.x
***Dry Air***
X.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
2,
3, :L
J
w G3
lnitia?
qcj3,
Adjusted
After Calibration'
Cell Constant
180.0-220.0?
N j
< 3.0?
J
(9Y N u
900 -1100?
1� N�
190.0-220.0?
N �
< 3.0?
'
I N V
Acceptable Cell Constant range: 4.0 - 6.0
(s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional"
apt;
Std. Value
#` 7
x.xx
10
x.xx
iior 2719 only)
x.xx
7
x.Xx
7
x.xx
10
x.xx
4
�.nx
Temp
2\-)
2- J
�.'
f
dH. /
2H .'7
'2, ej
7. CH ,%
10 .0,>j
_Initial
Theo. pH
7-co/
10; ©2i
41,O )
J
7,00 J
o.a,
Adjusted
3,921
-- --
After Calibration
Slope (mv)
Slope (% of ideal)
Within ± 0.1?
N
Wit m ± 0.2?
N
Wit n ± 0.2?
Y N L/
;.
N
7
`
Acceptoble pH slope (mV/pH): 5S - 60 V / pH slope (% of ideal): 93 % to 102% !deal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FASWUivision Fles\Water QuaIitylMonitoringlReferenceslSOPskMeters!archive\Calibration SOP1Calihration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calii)ration
Sheet-2019June

CALIBRATION
Date:
Z Z t
Time:
�I," D !
Initials:
T7/11 J
POSTCHECK
Date:
b( /20a-1
Time:
l', to l
Initials:
9L
Monitoring pH Data
Min: %, :2
Max: 7.
�RIf pN is < 6.9, post check with pH 4.0
5p. Conductance Standard (µS/cm at
25°C)
Std
Lot No. Expiration
zoo
OCR /3�
1n2f
1000
d� r !
.-�
Post Check- Some Std? VN `
pH Standard (s.u.)
Std
Lot No.
Expiration
7
IC?/
ozZ
10
z(49
z
4
Ze9D3 A
q
i17.
Post Check- Some Std 19Y N
J
YSI Pro Plus
�Meter C, oration / Post Check Sheet 1
S/N: % 7'7 � J Hach Turbidity Meter S/NN -r+
Field Crew: 'L � Study:. !� i zr.,, CIT�r cr
OURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): Y J
Temp (°C): ) Li.. /
DI HBO (<0.1)
2
< 0.4 NTU ?
® N
Barometric Pressure (InHg): 7 i'
BP (InHg): 2,0k.7SJ
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std; 100 NTU
�(
r 4q
Initial
1
J
Lot #
/d
90 - 110 NTU?
N
Adjusted
5td Exp. Date:
Chart DO (x.xx mg/ DO
Chart DO(
/
Turbidity meter last calibrated z I
Within ± 0.5?
N
Within ± 0.5?
a) N
Specific Conductance (I-6/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X,X
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
X.X
Temp
Y `Z. J
2 l
3. O i
!nitial
/ ©IV /
2119 '
J
tfi t, J
2r.S:..7 l
l
Adjusted
l Ra
.After Calibrationu
Cell Constant
180.0-220.0?
C N
< 3.0?
N 1
900 -1100?
Y N =`
180.0-220.0?
N�
< 3.0?
i
Yf N s
r/
Acceptable Cell Constant range: 4.0 - 6.0
pH (s u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional
5td.Value
7
x.xx
10
x.xx
XAX
7
X.XX
7
X.XX
4
_..
Temp
�
Initial
-7 , © *7)
lfJ. C1 `
. O
7 . d ` - 17.
o6
to, CIE
Theo. pH
�% QJ
��>�Z
!b� J
r°%
7.Cscs
Adjusted
3,99J
After Calibration'
Slope (MV)
Slope (%of ideal)
Within ± 0.1?
N 1/
Within ± 0.2?
N J
Within ±0.2?
®Y NJ
V ii.hw - 0.27
Y N
f
V
Acceptable pH slope (mV/pH): 55 - 60 rdV /pHslope (% of ideal): 93 %to 102% ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FASW0ivision Files\Water Qua lity\Monitoring\References\SOPS\Meters\archive\Calibration SOP\Calibration Sheets & Maintenance Logs\Calibration SheetsWSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
r
Time: ."Ll `7
Initials: 0 A
POST CHECK
Date: kIt e 21
Time: 1,43
Initials: (AL
I Monitoring pH Data I
Min.: _ _x
Max:
If pN is < 6.9, post check with pH 4.0
Sp. Conductance 5tandard (µS/cm at
25°C)
Std
Lot No.
Expiration
200
ZIJ
S zoo
Post Check- Some Std? 0 N'
pH Standard (s.u.)
Std
Lot No
Expiration
7
� 1f)1Z 1w/ r
10
A 1 01z-7C
. )�oz_L
Post Check- Some Std? C�) N
j
YSI Pro Plus Meter C_ gyration / Post Check Sheet
S/N: % to j Hach Turbidity Meter S/N 6 -P'O j I b
Field Crew: r? L �!� j Study: D RHAM CITY OF
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): Z .7, y c J
Temp ('C):
DI H 0 (<0.1)
r
< 0.4 NTU ?
�. N
Barometric Pressure (InHg):
BP (InHg):
DO (4r°)
xx.x
❑O (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 10C NTU
7 D •
Initial
/'� Z (�J J
C� ! . 31
, 37
Lot #
90 - 110 NTU?�
IN
Adjusted
5td Exp. Date:
,�% Z Z 1
Chart DO (x.xx mg/ DO (%)
j
Chart DO
Turbidity meter lost calibrated �
Within ± 0.5?
IN
With' + 0.5?
Y N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
23.
L.�•�
�z 7--
I J
214.E J
Initial
7J'y
�/ 1
J
Zvi✓ i
•1fJ4;
�, L
Adjusted
After Calibration'
Cell Constant
180.0-220.0?
Yt� IN l
< 3.0?
(�' N J
900 -1100?
IN tii
190.0-220.0?
N `%
< 3.0?
i N'j
r 0
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional
Std. Value
7
x.xx
10
X.xx
X.xx
7
X.XK
7
x.xx
10
X.XX
4
Xx
Temp
-2- 3 ,
Initial
7 , 7,5
7 J 1
"7 Oz
•06
Theo. pH
7 v
t0, &7')'— l
17—
• D 1
. i��
l J
Adjusted/
fter C3libration'
Slope (mV)
Slope (% of ideal)
Within + 0.1?
Y N
Within ± 0.2?
1' N �
Within ± 0.2?
(Y� N J
Within _ 0.2 r
Y N
7 �j
Acceptable pHslope (mV/pN): 55 - 60 mV / pN slope ( % of ideal): 93 % 2° ideal pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
`After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
6cW'r-r,&4'oh
cr„�t r-� cdi
P C
IVb i 0 t%Cj
FASVV\Division FileslWater Quality\Monitoring\ReferenceslSOPs\Meters\archivelCa lib ration SOP\Calibration Sheets & Maintenance LogslCaIibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: % ZO '
Time: b Q ,I
Initials:
POST CHECK
Date: t
Time:
Initials:
I Monitoring pH Data I
min: 6.q _---
Max: 77'Lj �/
If pH is < 5.9, post check with pH 4.0
5p. Conductance Standard (pS/cm at
25`C)
Std Lot No.
Expiration
200
2pDop C
ZvZ-(1
1000
Post Check- Same Std?v N J
pH Standard Is.u.)
Std Lot No. Expiration
7
0o 9 �
.J zo21z
10
4
Post Check- Same Std? U IV
1
J
YSI Pro Plus Meter CG...aration / Post Check Sheet
S/N: Z -74�® Hach Turbidity Meter S//{N ( 0 4
Field Crew; 45 0 ,�J%1-7 5tudy:A;b_'C4';4 l J CITY or
DURHAM
Turbidity Pre -Trip Cherk*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): — 67
Temp {'C}; .22 . c7
DI Hz0 (<0.1}
J
< 0-4 NTU ?
N
Barometric Pressure (InHg):
BP (InHg): ;,q 5
DO {%}
XX.X
DO (mg/L)
- X.Xx
DO (%)
XX.X
DO (mg/L)
x.Xx
Std: 100 NTU
l
Initial
--Lot #
9C - 110 NTU?
N �)
Adjusted
Std Exp. Date:
r%ZZ,J
Chatrt DO (x.xx mg/ DO ('/}
3v
Chart DO
g��7
Turbidity meter lost calibrated J
Within ± 0.5?
NI/
Within ± 0.5?
N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air'
X.x
1,000
x.
200
***Dry Air***
Temp
.Z 1
y
27, i
2 C3
Initial
Adjusted
After Calibration
Cell Constant
180.0-220.0?
Y N f
< 3.0?
N-
900 1100?
� f
-N
1$0.0-220.0?
1
N J
< 3.0?
N
�
s Q 1
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
�10
Confirmation
pH Post Check
Optional"
Std. value
7
X.XX
X.XX
4 (for 2719 ashy)
x.xx
7
X.Xx
7
x.xx
10
X.xX
4
Temp
-
2 '
2571
Initial
-7P O )
9. 7 /
'3J
7_ ©
f
iID.02 1
Theo. pH
0 2, f
}r'.O
7•0o
l
ta.er
Adjusted
C , J
After Calibration
Slope (mV)
Slope (% of ideal)
Wir ± 0.1?1
N 1
Within -+. 0.2?r
Y N✓
Within ± 0.2)?
Z N/
Within ` 0.3
Y N
J
f
✓
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for detaiis
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
I
F:ISVIADivision FileSlWater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SOP1Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: r/3
Time: D /
Initials:
POST CHECK
Date: 711341p�
Time:
initials:��
I Monitoring pH Data E
Min: 7.1
Max: %
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard JVS/cm at
25°C)
Std Lot No.
Expirotion�
200
12-0091,9,C
2r i r
1000
Post Check- Some Std?UN
pH Standard (s.u.)
Std T
Lot No. Expiration
7
1-l01Z
8 zvZ2
10
21 D r< z7
�OZZ
0o?>11 ,
2Oz.
Post Check- Some Sid? 0 N' ,
1
YSI Pro Plus Meter
Meter Ca...,ration / Post Check She
S/N: �/�tt% 7 © Hach Turbidity Meter S/N o (7 )
FieldCrew:A5 54- n/-7 Study;���v�. .rp f L.C;Py F
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): �9 /
Temp ('C): 3
c2, '
<0.4 NTU ? /
N
Barometric Pressure (InHg): �, � � 2
BP (InHg): tar .ego S;'
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x-xx
Std: 100 NTU
Q /
/ J
Initial
Lot #
1¢ to /
90 - 110 NTU?
© N `
Adjusted
5td Exp. Date:
`� 2-pZ. "L ,!
Chart DO (x.xx n-1T/ _ DO (W
3 J
Chart DO
1 J
Turbidity meter lost calibrated S l g
Within ± 0.5?
N
Within ± 0.5?
N 1
Specific Conductance (µ5/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
%.x
***Dry Air***
x.X
1,000
X.
200
x.X
***Dry Air***
x.x
Temp
2 [.
L, I
-• I
2�`-.
Z
Initial
/t0 d l
2©� J
a J
tODD J
� 1
L}.`,
Adjusted
O a p
After Calibration"
Cell Constant
180.0-220.0?
Q N J
< 3.0?
f
N
900-17.00?
Y N I
190.0-220.0?
�
N I
< 3.0?
Y N
® J
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional
Std. Value
7
x.xx
10
x.xx
(f.;r �7 .5
x.xx
7
x.xx
7
10
n
Temp
�z q -
2- 31
2 l
15:a 1
Initial
—7, ® 1
/D, Q`
. (7 1
J
TDO J
10• 00
Theo. pH
7 00 I
+ 0 2- 1
/Y. ! 1
%- 0 0 ✓
7. 35- 1
to. 0a l
Adjusted
After Calibration
Slope (mV)
Slope (% of ideal)
Within ±0.1?
�i N V
Within ± 0.2?
CDY N, 1
Wit n ±0.2?
N
b`irhin ± Cr - -'
Y N
f
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 °/a to 1(002% !deal pH slope= 59 mVV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
071-161)d
AM
IN
F:\SVV\Division Files\Water Qua lity\Monitoring\References!SOPS\Meterslarchive\Calibration SOP\Calibration Sheets & Maintenance LogslCalibration SheetsWSl-ProPlus Meter Calibration
Sheet-2019June

CALIBRATIp
Date: 2421
Time:
Initials: D iM
POST CHECK
Date: 716il f
Time: )I:!.,a
initials: GI_
i Monitoring pH Data I
Min:=�
Max: 7,6
..If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard .(uSj cm at
25°C)
Std Lot No.
Expiration
200
2eQ2, 8(_
g 7,0Z1
loon
Z v i I
G z oz �
Post Check- Some Std
Q )4
pH Standard .(s.u.)
Std
Lot No. Expiration
7
2 1012- -7
8 �oxz
10
2Jv/ 27 C
2�2Z
4
O05/1 AZ�ZI
Post Check- Some std?U N
YSI Pro Plus Meter Ca...,ration / Post Checck� Sheet
S/N: 2 _7i0 Hach Turbidity Meter S/N (; �f 47 i N
Field Crew: Study: A4. f, 9 CITY
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 2-
Temp ('Q) .24,'_;
DI H O {<0,1)
] {�
`
<0.4 NTU ?
(') N
l /
Barometric Pressure (InHg): Z / , '%b
BP (InHg): .24 , 72
DO (%)
Xx.x
DO (mg/L)
X.xx
DO (%)
xx.x
DO (mg/L)
X.XX
Std: 100 NTU
! /'
Initial
�, 1 6
. -1
J 00-7
5• 4 2-
Lot #
90 - 110 NTU?,
N �
Adjusted
f ,
z-,
Std Exp. Date:
2Z/
Chart DO (x.xx mg/ DO (%)
3 .1
Chart DO
>
Turbidity meter lost colibroted 7 ! 9 _2_ (
Within ± 0.5?
Y N
Within ± 0.5?
0 N
Specific Conductance (µS/cm at 25°C) Calibration Specific Conductance Post Check
Std. Value
1,000
X.
200
I X.X
***Dry Airy"* 1,000
X..X X.
200
x.X
***Dry Air***
X.X
Temp
Z l
r�
h _Z_
.71�.q
4,a
initial
/O O
-2-
_
�q,; q
2os-a+L-
0. L)
Adjusted
%V a / 1
After Calibration
Cell Constant
180.0-220.0?
N /
< 3.0? / 900 1100? a
N `� D N t/
180.0-220.0?
O N
< 3.0?
CY N l
Acceptable Cell Constantrange: 4.0 - 6.0
pH (s.0 ) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional"
Std. Value
-
7
.4 XX
�..2
10
X.XX
4 +'or 2719 one vf•
X.XX
7
X.XX
7
X.XX
10
X.Xx
4
X0NX
Temp
�. /
At,
Initial
7, 0 3 J
t o- o f)
/'(, 00
-2- 0 ✓
-7
O. i
Theo. pH
-7. bQ
L7�
i r%j
'7, 007
4, J
ip,t�i f
Adjusted
—
fter Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
N/
Within ± 0.2?
/t�I,�
QJ N �%
Within t 0.2
N
Within ± 0. ?
Y N
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pH slope - 59 mV
-'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
0?/ IW.1
10
F:ISWIDivision Files\Water Qua lity\MOnitoring\References\SOPS\Meters\archivelCalibration SOP\Calibration Sheets & Maintenance Logs\Calibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date:
Time: • %C% J
Initials:
POST CHECK
Date: !FJ2024
Time: Its iS
J
Initials: i_
Monitoring pH Data.
Max: 7.6
l;` pH is < 6.9, post check with p: i 4.0
Sp. Conductance Standard fps/cm at�
25°C)
Std
Lot Non
Expiration
200
�d0O G
adz
1000
J 8V g I O
Post Check- Some Std?U N
pH Standard (s.u.)
Std Lot No. Expiration
7
O . I
ZelZ
lo
4 7-7c
zozz
4
OO N/ .
zoz
Post Check- Same Std?W N
YSI Pro Plus Meter Ca:.aration / Post Check/Sheet
S/N:� Hach Turbidity Meter S�//N 7 d b J
Field Crew: r54_1 Study: /� h76 -e*,; � / CITYCP
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 2 3
Temp (°C): _y
62, ({ 3 /
< 0.4 NTU ?
N J
Barometric Pressure (InHg):
BP (InHg): Ztj 6.5
DO (%)
xx X
DO (mg/L)
x.xX
DO (%)
rv.x
DO (mg/L)
XAX
Std: 100 NTU
-
Initial
0
Lot #
14l� Cj
90 - 110 NTU?
0 N ,
Adjusted
Q
f
Std Exp. Date:
fZZIP �2_ f
Chart DO (x.xx mg/ DO (%)
Chart DO
Turbidity meter last calibrated Z y�
Within ± 0.5?
N
Within ± 0.5?
N
Specific Conductance (µS/cm at 25°C) Calibration
Specific. Conductance Post Check
Std. Value
1,000
X.
200
***Dry Air"*
XA
1,000
X,
200
X.x
***Dry Air***
XA
Temp
-t,
t�x.x
2-[:
2.3o 1
Initial
9,q 7 !
210 ,Z, l
9
6 J
_201
Adjusted
After Calibration'
Cell Constant
180.0-220.0?
,�
�/ N f
< 3.0?
N J
900 -1100?
N l
180.0 -220.0?
(:Z) N J
< 3.0?
N J
,r�
s 1f r
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH post Check
7tional"
Std. value
7
%.XX
10
X.XX
4 (for 2719 only;
X.XX
7
%.Y,%
7
X.XX
10
XAX
T e m 7
Z
``t •
�,Z5.1
S. 2
Initial
7,061
D• 3/
D J
74 at
7.OZ J
to.ot
Theo. pH
�' D �
r Q
�i O
�� J
7.0
lO. a
Adjusted
3 ,
fter Calibration'
Slope (mv)
J
Slope (% of ideal)
, 9 V.
Within ± 0.1?
N
Within ± 0.2?
N'
Within ± 0,2?
N/
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope= 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. ronductancc cell constant and the pH slope / % scope is recorded from the meter's GLP file
911, .Ou 1
9
FASW\Division FileslWater Qua!itylMonitoring\ReferenceslSOPs\MeterslarchivelCalibration SOP\Calibration Sheets & Maintenance LogslCalib ratio n Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date:
Time:
Initials:
POST CHECK
Date:
Time:
Initials:_
Monitoring pH Data
Min: �]
Max:
If pH is < 5.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
200
ISI�L
�-10-00
00 % M.
j Z
rosy c.necx- same stall\ Y 1 N
pH Standard (s.u,)
Std Lot No. Expiration
7
10
,rosr (.necx- same std? \YJ N
l
YSI Pro Plus Meter L. .,)ration / Post Check Sheet
5/N: �—��_ Hach Turbidity Meter S/N
Field Crew:_15 j3 L Stud
Turbidity Pre -Trip Check* Dissolved Oxygen (DO) Calibration
Turbidity (NTU) Temperature ('C): ;)- • e
D€ Hzd (<0.1) <0.4 NTU ? Barometric Pressure (InHg): ). z� j ,( J
' Y N DO (%) DO (mg/L)
�a xx.x x.xx
Std: 100NTU p- 2 Initials Q� !'
Lot # ) O SO 90 - 110 NTU? Adjusted ft A U J
r,
5td Exp. Date: rj <b N Chart DO (x.xx mg/ DO
Turbidity meter last calibrated
'Y {]i=
DURHAM
DO Post Check
'mp (*C): 01.�,
PP (InHg): `_
DO f%) DO ( g/L)
Chart DO
Within ± 0.5? Whin ± 0.5?
rJ N N f
Specific Conductance (µS/cm at 25°C) Calibration
Std. Value 1,000 200 ***Dry Air***
X. x`x X-X
Specific Conductance Post Check
1,000 200
X. x.x
***Dry Air***
X.X
Temp
19
Initial
J
C7 -
!�L
= rl
,I OCR
Adjusted
After Calibration"
Cell Constant
180.0-220.0?
J N J
< 3.0?
Y N I
900 -1100?
Y N
180.-220.0?
N J
//< 3.0?
CY/ N
Acceptable Cell Constant range4r0 - G.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
optional"
Std. Value
7
x.xx
10
x.xx
K.xx
7
7
10
4
Tempi
x.xx
x.xx
5.<
x.xx
x.:,
s-
Initial
. Dr
Theo. pH
00 r
1 d L O
Adjusted
I
Pilo. O t J
r
ti,Slope
fter Calibration)
(mV)
Slope (% of ideal)
+
With -in _ 0.1.
0
7
Witp�n ± 0.2.
Wi in i ?
0.2.
�I in
f
N J
'e- N J
N/
Y a J
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (9b of ideal): 93 % to 102% Ideal pH slope = 59 mV
1 idol TLY111C1C1ZPd1CLd11UldLtlu LiudILeffy, see i urDiaity Lanpration Hook for details
"After Calibration, DO sensor value, sal. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
9 J,�O/cq
7-
FASMDivision Files\Water Qua lity\Monitoring\ReferenceslSOPs\tdletersla rchivelCalibration SOP\Calibration Sheets & Maintenance Logs\Calibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date:
Time: FCC)
Initials:
—
POST CHECK
Date: M Z
Time: 2 tC f
Initials: CG
Monitoring pH Data
Min: (P.�
Max: - 1
If pN is < 6.9, past check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
200
! 9 C,
0 121
1000
& F,
Post Check- Some Std?f Y) N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
s�
G, 0
Z
so
110i'2- TC
2
4
Post Check- Some Std?1 Y 1 N
J
YSI Pro Plus Meter L..aration / Post Check Sheet
S/N: LA 36P 6-9 Hach Turbidity Meter S/N
Field Crew: GC, L_ Study:_. ./> ��.�� CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): L 3. E�
Temp (°C):
DI H2O (<0.1)
' /
< 0.4 NTU ?
Y N
Barometric Pressure (InHg): 7_11 , (� �
BP (InH g):
DO (%) DO (mg/L)
Xx.X X.Xx
DO (%)
xX.X
DO (mg/I.)
x.XX
Std: 100 NTU
-�
V C�
Initial
<:A l/ . ?
6
0_� ,
Lot #
10j 0
90 - 110 NTU?
Y N %
Adjusted
C Cl . Z
Std Exp. Date:
t✓p` —
Chart DO (x.xx mg/ DO (%}
Chart DO
/
Within±0.5?
Turbidity meter last calibrated � �� Z
Y N ,'
Within±0.5?
Y N
Specific Conductance (pS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.X
***Dry Air***
X.X
1,000
X.
200
X.x
***DryAir***
X.X
Temp
V2
ZLjI.
S.
�S
Initial
Z 1 Zr
-�
D 1
Adjusted
After Calibration"
Cell Constant
180.0-220.0?
Y N
< 3.0? 1
Y N J
900 -1100? ]
Y N J
180.0-220.0?
Y N
< 3.0?
Y N
-©
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional"
Std. Value
7
X.Xx
10
x,XX
XAX
7
x.XX
7
X.Xx
10
X.xX
4
K
Temp
Z.,
.�� 2,
4- 3
IG ,
Initial
0
10 _Q0
1 °.
t_ J
}(D .l?"
Theo. pH
C)0
io o1i
. , 0O -
� 00
Adjusted
-L V
After Calibration
Slope (mV)
slope (%of ideal)
Within ±0.1?
�N J
Within ±0.2?
ON J
Wi " ±0.2?
Y N
bVitiiia�
. I
.I
Acceptable pN slope (mV/pH): 55 - 60 mV / pN slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp, conductance cell constant and the pH slope / % slope is recorded from the meter's Gi_P file
F:ISW1DWsion FiieslWater Qua lity\MonitoringlReferenceslSOPslMeterslarchivelCalib ration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2C19June

CALIBRATION
Date: 7 Z®z
Time:
Initials:..— �n J
POST CHECK
Date: 7-
Time: r 0 /
Initia€s: `>
Monitoring pH Data
Min: } 3 1
Max: . �p
if pH is < 6.9, post check with pH 4.0
5p. Conductance Standard (µ5/cm at
25°c)
Std
Lot No.
Expiration
zoo
//Q Z
T 24Z Z
t000
! 0�2 %
2DZ1-
Post Check- Same Std?(Y N'
pH Standard (s.u.)
Std
Lot No.
Expiration
7
z� 1zP
/�L
)_
E10
//,1
ZiD�
% ZZ
Z 00 3 11L
pz
Post Check- Some Std0 N
J
J
YSI Pro Plus Meter C_ )ration / Post Check Sheet
S/N: Z 7 /J d Hach Turbidity Meter S/N'i 5 d0 15
Field Crew: Study: q�� ciry or
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): ,?
Temp (°C): ZS
DI H20 (<0.1)
C�• 2 Z ]
<0.4 NTU ?
��' N
Barometric Pressure (InHg):
BP (InHg): • (0-3
DO (%) DO (mg/L)
xX.x x.xX
DO (%)
XX.X
DO (mg/L)
x.XX
Std: 100 NTU
Pr o Z` J
Initialer,-,
9 1 9- Z Z
c 1,
l
Lot #
l Q 0
90 - 110 NTU?
N
Adjusted
rJ '�F , z 3
Std Exp. Date:
,'C�j Z
Chart DO (x.xx mg/ DO (%) -;7,
Chart DO
,
Within ± 0.5?
Turbidity meter last calibrated ,7 !� viz
N /
Within ± O.S?
N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
X.x
***Dry Air***
x.x
1,000
X.
200
X.x
***Dry Air***
x.X
Temp
7. `7'
`�
-zS - 1
? , i
initial
2 d �, y 1
[37, ('
14Q 2
'L1
�]
Adjusted
le t9 4 �
After Calibration"
Cell Constant
180.0-220.0?
N J
< 3.0?
N -�
900 -1100?
Y N.f
180.0-220.0?
Y N J
< 3.0?
Y N 1
(�
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional
Std. Value
7
x.4Y
10 e
X.XX
r (for Z719 only)
XX
7�
X-XX
7
X.XX
10
X.XX
Temp
G
[✓X.
[
Z _' . t
(
29 r
initial
i J
J
, Y
Theo. pH
7. OQ J
/-/.0 ( J
. e2o l
. OD 1
10 .01 1
Adjusted
-9/ . D D l
After Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
r
(j` N J
Within ± 0.2?
Y N J
Within # 0.2?
Y N f
Acceptable pH slope (mV/pH}: 55 - 60 mV / pH slope (% of ideal): 93 % to 102% ideal pH slope = 59 mV
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Bonk for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded frorn the meLer's GLP file
F:ISVVIDivision FileslWater QualitylMenitoringlReferenceslSOPslMeterslarchivelCalibration SOMalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-201 Wune

CALIBRATION
Date:
Time: xeT
Initials: 0/1 1
POST CHECK
Date: g/1,IIa,I
Time: ix'• Id
1
Initials: &L _
I Monitoring pH Data
Nlin: &`$ - /
Max: 7.6 f
fit if PH is < 5.9, post check with PH 4.0
Sp. Conductance Standard (pS/cm at
25°C)
Std
Cot No. Expiration
200
�0 4A
67 L
�2pp /
Zd/2
Post Check- Some Std? (D N
pii Standard (s.u.)
Std
Lot No.
Expiration
10
(06(2, C
Yl Zpyz
4
�003 /A
z z
Post Check- Some Std 10
N'
YSI Pro Plus Meter C, nation / Post Check Sheet
S/N: _ 3Hach Turbidity Meter 5/,Nf s `" In
Field Crew: Study: ! - ✓ CITYOF
DUR►1AM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 2 L/_
Temp (°C): 1_g ,g
DI HzO (<0.1)
<0.4 NTU ?
% / ( N p
Barometric Pressure (€nHg): 17 020
BP (InHg): .2q ,Li4
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
162J
Initial
9
Z%
t 0A, 1
i5.tax
Lot #
f0fj 90 - 110 NTU?
a%7.- N -)
Adjusted
Q
�je
Std Exp. Date:
Chart DO {x.xx mg/ DO (96}
- , 1
Chart DO
1 ,.
Turbidity meter last calibrated ��
Within ±0.5?
N i
Within±0.5?
Ni
Specific Conductance (µS/cm at 25"C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.x
semp6i•
'�
Zi•�
25:3
Initial
%fib
2
Q
0,'4$ '
205%.7
U.cv
Adjusted
After Calibration"
Cell Constant
180.0-220.0?
N J
< 3.0?
N 1
900 -1100?
d N
180.0-220.0?
Yt ) N J
< 30?
l J N
J
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional"
Std. Value
7
x_xx
10
x.xx
4 ?far 2719 only;
x.Xx
7
x.xX
7
x.xx
10
X.xx
-
Temp
1.
2
.�
5 2
z57-1
€nitial
�. O 1
l a �.
/
'� . O
7.OS 1
1 0. Ora
t{. nl
Theo. pH
J4.0i
Adjusted)
fter Ca#ibration
Slope (mV)
Slope (%of ideal)
Within ± 0.1?
Wbin ± 0.2?
N
Within ± 0.2?
N J
f�N
Acceptable PH slope (mV/pH): 55 - 60 mV / PH slope ( % of ideal): 93 % to 102% (deal PH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:ISWIDivision FileslWater QualitylMonitoringlReferenceslS0PsUeterslarchivelCalib ration SOP1Calibration Sheets & Maintenance LogslCalib ration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: Ci 1,14 1 }t
Time: "7: LO J
Initials: isL.
POST CHECK
Date: �4 Z
Time:
Initials: GC/
Monitoring pH Data
Min: 7.1
Max: _ T L.L /
-If pH is c 6.9, post check with pH 4.0
Sp, Conductance Standard (ps/cm at
2S°C)
5td
Lot No.
Expirationv
200
;Q0Sr(}A
SI n3�
1000
11Dt1.7A
�1?� c2
r ust Check- Same Std? (�
td?`� N
pH Standard (s.u.)
Std Lot No.
,Expiration
7
�21 t2.0
N/A0.29.
10
2t ^iC,
i 1 /1v31
4
Post Check- Some Std?v N
YSl Pro Plus Meter C, iration / Post Check Sheet
S/N: Hach Turbidity Meter S/N
Field Crew: 3- L, CL Study: r� 3 CrY OF
Y DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 7--; c;
Temp {°C}: G . S
DI Hz0 (<0.1}
D l�
< 0A NTU ?
N j
Barometric Pressure (InHg): 1g& .7
BP (InHg); 2-01-
DO (%}
DO (mg/Lf
X.XX
DO (%)
XX.X
DO {mg/L}
X.Xx
Std: 100 NTLI
((a i
Initial
q q. S
e y
P�, 00
Lot #
A t
90 -110 NTU?
Q N %
Adjusted
tiA, .24
Std Exp. Dater
1�
Chart DO (x.xx mg/ DO (%J
Chart DO
Turbidity meter last calibrated 7 /lq 11-r
Within ± 0.S?
Q N
IY
Within ± 0.5?
N
Specific Conductance (µS/cm at 2S°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
Z00
***Dry Air" *
1,000
200
***Dry Air***
X.
X.%
X.x
X.
%.%
I x.x
Temp
.24 --s
�Zg . 3
Initiai
9g
?�i.q
�},,{
) OCR 2 J
Z.Li . 9
Adjusted
I i 0
Cell Constant
180.0-220.0?
< 3.0?
900 -1100?
180.0-220.0?
< 3.0?
After Calibration"
Sr;�
C) N I
�
LJ N!
Y N♦
Y N
N )
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.). Calibration (perform 2-pt calibration for unit 4366)
Confirmation
7
_C xx
pH Post Check
7 10
X.Xx XXX
Opt;.;r;aI'
-- -
^ Std. Value
�R7
y,,,'0..
10
X.XX
4 (for 2719 arjiv!
X.XX
Temp
'! .'
'��.7j
�4l.
i z
Z• 7—
Initial
7•p %
(�.�
7_cst J
�• V � /
I()_. OL)
Theo. pH
7•oo
10,0X
o
oi ✓
-
Adjusted
' o
After Calibration
Slope(mV)
Slope (%of ideal)
Within±0.1?
N J
1Vi_, ±0.2?
Y N J
Wit ±0.2?
f
Y N f
57 J
7
Acceptable pHlope (mV/pH): 55 - 60 mV /pH slope (% of ideal): 93 % to 102% ldeol pHslape -59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance celi constant and the pH slope / % slope is recorded from the meter's GLP file
IJ
J
l
F:\SW\Division FileslWater Quality\Monitoring\References\SOPs\Meters\archivelCalib ration SOP\Calibration Sheets & Maintenance Lags\Calibration Sheets\YSI-ProPius Meter Calibration
Sheet-2019June

CALIBRATION 2�
Date:
Time:
Initials: C
POST CHECK
Date: 40f— 1 zl
Time: 11 " S O
Initials: CG
I Monitoring pH Data I
Min: - t
Max: s�
if pH is < 6.9, post check with pH 4.0
-Sp. Conductance Standard (te4/c� m at
25°C)
Std
Lot No.
Expiration
I2
I2�00
E110oo-Z
L
Z ZZ
Post Check- Sorne Std?uN
pf! Standard )s.u.)
Std
Lot No,
Expiration
7
Z_ 1 i
i t Z
10
G
11 Z2
4
N
Post Check- Some Std, Y) N
YSl Pro Plus Meter CL oration / Post Check Sheet
S/N: 2-7S O Hach Turbidity Meter S/N15
Field Crew: i'�[G G C Study:. A\`,, 1 � � ��, CITY o=
DLFRHpM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (aC}:
Temp ('Q 11i � Z
DI H2O (<0.1)
< 0.4 NTU 7
Barometric Pressure (InHg):1
BP (InHg): 2
DO (%)
xx.x
DO (mg/L)
x.xx
DO {%}
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
rr P� I
t V J
Initial
is1 j
00
100
- 3S-
Lot #
A
90 - NTU?
Y N J
Adjusted
�.
5td Exp. Date:
Chart DO (x.xx mg/ DO (%)
%
Chart DO
2
Turbidity meter last calibrated 1 �._�._L 2-
�� 1 t
within ±0.5?
Y N
Within ±0.5?
Y N
Specific Conductance (pS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
20C
X.x
**'Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
2 3
2-3
22 . LP
2 5
Zy
t
Initial
00 2 ,/
W9 H J
"! . 2, 1
Adjusted
QQ /
After Calibration°
Cell Constant
180.0-220.0?
Y N I
< 3.0?
Y N ,i
900 -1100?
Y N f
180 0-220.0?
Y N
< 3.0?
Y N ,J
/
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Opt;anTf'
Std. Value
�7
x.xx
a10
x.xx
d { . 2719 only';
x.xx
7
x.xx
7
x.xx
10
x.xx
<,ex
Temp
Z
.
Initial
d %
/
, U 1
- O ,<
Theo. pH
0
10,QZ 1
�j
C?�i
' Ci`Z/
Adjusted
, 0 • 0 l /
After Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0,1?
OY N
Within ± 0.2?
O N f
Within ± 0.2?
U N
S;.(GJ
41 L f
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (.o of ideal): 93 % to 102% Ideal pH slope = 59 m V
*Turgidity meters are calibrated quarterly, see Turbidity Calibration Soak for details
After Calibration, DO sensorvalue, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GtP file
FASWUvision FileslWater Quality\MonitoringlReferenceslSOPslMeterslarchive\Calibration SOPICalibration Sheets & Maintenance LogslCalibration SheetsWSl-ProPlus Meter Calibration
Sheet-2019,lune

CALIBRATION
Date:z
Time: f% • n0
Initials:
POST CHECK
Date: to/lAili
Timer
Initials: (IL
MonitoringpH Data
Min: 6•.3
jMax: X 1-
j "if pH is : E.9, post check iv,;M pH 4.0
Sp, Conductance Standard JgS/cir at
25°C)
Std
Lot No.
Expiration
200
l7 M
�_OZ�
1000
/�
47
AQ�?—
Post Check Some Std? (D N
pH Standard (s.rs.)
5td Lot No. Expiration
7
V z
tl:dzZ
10
/06 2 if
4
0 d 1
40;7- 2-
Post Check- Same Std?w:/ N'
YSI Pro Plus Meter C, ..)ration / Post Check/Sheet
S/N: �Z j 6 ,�. Hach Turbidity Meter S/N �(9
/IG /� Z Field Crew: /�L, L) . _ Study: CITY OF
DURHAFiAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ("C): -7-Z, ;j
Temp (°C): 2Ze2
3 E<
0.4 NTU ? +
N
Barometric Pressure (InHg):
BP (InFig): -7
DO (%)
XX.X
DO (rng/L)
XAX
DO (%)
XX.x
DO (mg/L)
XAX
Std: 100 NTU
�]
`�
Initial
Lot #
14 /,9 O 1
90 - 110 NTUT
N
Adjusted
9.
!
Std Exp. Date:
is Z,
Chart DO (..xx mg/ DO (%)
�� % /
Chart DO
rrs- -7,�r
Turbidity meter last calibrated
Within ±0.5?
h) N I
Within ±0.5?
M N J
Specific Conductance (VS/cm at 25" C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
j x.X
1,000
X.
200
XA
***Dry Air***
X.X
Temp
Z
,
2 2 (G'
.2 ; . 7
23, b
;nitiai
2 e2 %
%
IVA J
20q. 3
J
Adjusted
After Calioration"
Cell Constant
180.0-220.0?
N J
< 3.0?
Y N ,J
900 -1100?
Y N
180.0-220.0?
N.J
< 3.0?
!
N 1
J
Acceptable Cell Constant range: 4.0 - 6.0
pl,' (s.u.) Calibration (Perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Op iow4l"
Std. Value
7
X.XX
10
Xc Xx
'i:>r ;_:" . �r.`r)
X.XX
7
XAX
7
X.XX
10
XAX
Temp
22 .
Z 1_ v
2 ,%
�3. b
3 K
Initial
-7, 10 J
l a, 0
, C% J
Theo. pH
7(70 %
/©'03 J
/Y,
7.00
to.a.z i
Lt.gt
Adjusted
I
3 s S
.
fter Calibration
Slope (mv)
Slope (% of ideal)
Within ± 0.1?
�
ly N J
Within ± 0.2?
(Y N,
Within ± 0.2?
O N
�
Acceptable pH slope (mV/pH): 55 - 60 mV I pN slope (% of ideol): 93 % to 102% !deaf pH slope = 59 tnV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:1SW\Division Files\Water Quality\Monitoring\References`SOPS\MeterslarchivelCalibration SOP\Calibration Sheets & Maintenance LogslCalibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: /fl Lq z-a7Z(
Time: ! / r% f
Initials: 7 ,4 1
POST CHECK
Date: ZCP 21
Time: 1 U
Initials: C C/
`rMonitoring pH Data
Min: ca • 3
Max:
It pH is < 6.9, post theca, with p144.0 i
Sp. Conductance Standard (15/Cm at
25-C)
Std
Lot No.
Expiration
zoo
(J
2
1000
7
g elZ Z
Post Check- Some Std? jY ) N
pH Standard (s.u.)
Std
Lot No,
Expiration
7
2 a /z(9
1 '
10
f
iJ f 2-4
IW -ri)-z
4
ZQQ A 12) U-
Post Check- Some Std? (Y) N
ro Plus ,ieter C, jration / Post Check Sheet
S/N: Hach Turbidity Meter 5/N
Field Crew: ,,— sr 0 ,fit,? Study: �1'1/J9 - -a,,f P 3
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
Turbidity (NTU)
Temperature ff ): 3,
DI H20 (<0.1)
�j �J i
!J .. /�^ J
< 0.4 NTU ?
y�
�v N
Barometric Pressure (InHg): 2 :7- J
DO (%)
xx.x
DO (Mg/L)
x.xx
Std: 100 NTU
r
_
Initial
,
,
Lot #
to Q
90 - 110 NTU?
6(;7 N
Adjusted
97 FP
J
Std Exp. Date:
3 872
Chart DO (x.xx mg/ DO (%)
Turbidity meter last calibroted / .�- `
Within ± 0.5?
I t? ] N
Specific Conductance (µS/crn at 25`C) Calibration
Std. Valve
i 1,060
200
� ...
x.x
Temp )�
, `3
. 3
Initial
-Z-3
f � 9 J
!2- pLI.
Adjusted
% 62 J
Cell Constant
180.0-220.0?
After Calibration"
Acceptable Cell Constant range: 4.0 - 6.0
ci I Y or
Dk RHAM
DO Post Check
Temp (°C):. 2-Z,
BP (InHg):d) 3(D
DO (%) DO (mg/L)
xx.x x.xx
ICx'). 1 .--j )
Chart DO
rn * 0.5?
Y N %
Specific Conductance Post Check
***Dry Air*'*
x.x
1,000
X.
7 200
x.xL�
*"*Dry Air***
L�
23. 1
3, 1
2c� -1 1
0, 2, J
<13.0?
vl. N 1
904 110U?
! 1' 1 N
180.0 220.0?
n N 1
< 10?f
!y 1 N t
PH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
optional"
Std. Value
7
x.xx
10
x.xx
" {fog. 27;. on;y)
x.xx
7
x.0
7
x.xx
10
x.xx
4
x.xx
Temp
23,2
2.3f
Z -023.
Z.
3, 2
Z .2
Initial
�� F7 2%
/� f7 Z 1
�3./
t f 1 I
—7, o ( J
I- OS 1
10 -0Sf
100 1
Theo. pH
`� a D
/r' b >
�% �.'
. ramo
C7
i - 03 1
Adjusted
J
After Calibration
Slope (mV)
Slope (% of ideal)
Within 10. 1?
N
Within ± 0.2?
N%
With' ± 0.2?
y N J
p
J
� f
/ r
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideol): 93 % to 102% ideal pH slope = 59 mV
j./�V-a.1
4c,
n 6 /C
r-i rsON9 ,S&
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meters GLP file
FASWUvision Files\Water Qua lity\Monitoring\References\SOPs\Meters\archive\Caiibration SOP\Calibration Sheets & Maintenance LogslCalibration SheetsWSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: f;/2, iO2 %
Time: __.. _ c2'5
Initials:
POST CHECK
Date: L 2--1
Time: ! i : .2-0
Initials: (3L
I Monitoring pH Data I
Min; n; 72
Max: 7. b
:.1f pH is < 6.9, post check vv;th pi -I 4.0
r—
sp. Conductance Standard (itS!crm at
25'C)
Std Lot No. EX nation
200 i l d f2
ZC3�
1000 1
2.a_1_Z
Past Check- Sortie Std? U N I
PH Standard {s.a.}
Std Lot No.
Expiration
10
l d�� 2. e
/ ZD2Z
4
.7-
Post Check- Some Std;'C) N -
f
YSI Pro Plus Met C, -iration / Post Check Sheet
0 Hach T rbidity Meter S/N `JOp l
Field Crew:_fL Study: ✓5` %T .f� / eiTt OF
oURNAwr
Turbidity Pre-Trlp Check*
Disselved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 2 • 3
Temp ('C): 22. S
DI HZO (<0.1)
< 0.4 NTU ?
N I
Barometric Pressure (InHg): Z ?�
BP (InHg): �q gg
-
_
I DO ( }
xx.x
pp (erg/L)
x.x;i
W DO (%}
xx.x
CO (mg/L)
x.xx
Std: lOQ NTU
1
Initial
/ Q �J
9
Lot #1
A to S o 1
90 - 110 NTU?
N
Adjusted
Std Exp. Date:
zb yZ.-
Chart DO (x.xx rng/ DO (%)
Chart DO
� 62
Turbidity meter last calibrated %� Z 7 z I
Within _ 0.5?
Y N-
-..._.«,.A
Within t Q.5j?
Specific Conductance (pS/cm at 25'C) Calibration --
Spee;fic Conductance P si : hec'c �!
5td. Value
'-,nw
200
� ** D.,! Air**-*
s,0i; 2070
a* Dry Air"'**
t
I
%.X
X.X
X. • Y 1N
X.X
Temp��
Adjusted
e7 D
Cell Constant
150. 22J.0?
I < 3.Q?
900 i1 !C�? i LSi,.O 220A?
< 3.0?
Aftnr Calibration"
`7
N I
N /
Y� 1
f
(
(�
%
i Y' N �
YF� N
JAcceptable Cell Constant range: 4.0 - 6.0 1
PH (S.o.} Calibration (perform 2-p" calibration for Unit 4366)
5td. Value 10 i r i. - ';)
X.Xx X.Xx X.XX.
Coo firmation '�^
7
X.X_
pH Fost Check
%.Xx X.XX
— -„ , i
Temp
�/�. "
Z
`n
Initial
�' ©
/ •
�1%
Theo. pH
`%; D
/O , 6
/-/ r ,�q
r re)
7,Q0 3
i � • � Z �
Adjusted
ftCalibration'"
er
Slope(mV)
Slope (%ofidea I
Within ±0.1?
L N ,f
Within =0.2?
^,
U) N 1I
Within ±02
1� N
e
J
Acceptable pH slope (mV/pH): 55 - 60 m / pH slope ( V. of ideal), 93 % to 102% rdeol pH slope = 59 rnV
'turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
.After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FASW1Division FileslWater Qua lity\Monitoring \ReferenceslS0PslMeterslarehivelCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Caiibration
Sheet-2019June

CALIBRATION
Date:
Time:%00
Initials: V"tl /
POST CHECK
Date: 0
Time: ?_U /
Initials: G G
! Monitoring pH Data I
Min: jC !
Max: � J
Y
ff pH is r 65.9 post check with pH 4.f1
Sp. Conductance Standard (pS/cm at
25°Cj
Std Lot No.
E, ' tion
200
1DDD jz, l tl L27A
Post Check- Same Std?(t N
pPi Standard (s w j
Std Lot No.
Expiration
7
�j
2�p�r/Z Y
/l ZDI—Z
10
�(i �j �Z G
7-67Z7-
4
2-r0316 P�-
Post Check- Some Stu?(9 N
J
__L
J
YSI Pro Plugs Meter C, iration / Post Check Sheet
S/N: JHach Turbidity Meter S/N-� l
Field Crew: � G _V.� Study: ✓��+-r%J,-0-4,K _ % 2- / ciTYOF
DURHAM
Turbidity Pre -Trip Check*
Dissoived Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): � 1 j
Temp (°C): 'Z 1 ,
DI HBO (c0.1)
< 0.4 NTU ?
N j
Barometric Pressure (InHg): " 5 !
SP (InHg): 2CJ r
DO (V
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: lOD NFU
Initial
l aO , `7
q 9 , 'Z22,
Lot #
(dam J
90 - 110 NTU?
Y�j N i
Adjusted
7 -
Std Exp.
7-7-/
Chart DO (x.xx mg/ DO (%)
; '� J
Chart DO
Turbidity meter last calibrated 14 2 7 � d
r
±
Within 0.5?
U f N j
Within ±0.5?�
Y N `/
Specific Conductance (I.6/crn at 25°C) Calibration
Specific Conductance Post Check
Std. Value
j 11000
r:,
200
x.x
***DryAir***
x.r,
1,000
X.
I 200
I
x.x
� ***Dry Air***
x x
Temp
d , 7 J
23.
initial
Q�p
rLG� /
♦
157 1 l
Zl� 3 :,5
0 -/
After Calibration'
Cell Constant
180.0 220.0?
Y N J
< 3.0?
N
900 1100?
Y N%
180.0-220.r
Y N I
< 3.0?
l N�
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibrations for unit 43661
�Std.
;Confirmation
pH Post Check
'Gptir)nal­
Value
x.xx
x.xX
(it5:2J79 cr.'.{)
7
x.xx
7
x.Xx
10
x.xx
a
,.fcx
Temp
2 f q-f
2.
�xJ.xx
2. J
1 Z.
f
'L
Initial
7 • © )
/O . D
-3 J
-7, j
, 0 .1
16,
q,
Theo. pH
Adjusted
7, Ur %
d —7)
jgq
031
Fter Calibration
Slope (mv)
Slope
Slope (% of ideal)
Within ±0.1?
J
Within ± 0.2?
Y N
Wi n +0.2?
N
Acceptable pH slope (mV/pH): SS - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope -5.9 mV
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
11/13�.�1
JS
F\SVV\Division FileslWater Quality\Monitoring\References\SOPsIMeterslarchive\Calibration SOP\Calibration Sheets & Maintenance Logs\Ca lib ration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: 11116 i].t
Time: 7 t J<
Initials: _ L� J'
POST CHFCK
Date: It/i6/.21
Time: I , oo
Initials: Ot-
I Monitoring pH Data
M in:
Max: 7.2
If pH is < 6.9, post check with pH 4,0
Sp. Conductance Standard (VS/cm at
25-C)
Std
Lot No. Expiration
200
Ifl5'12 -
J l�a;ia,
loco
Post Check- Some Std? Y) N
pH Standard (s.u.)
Std Lot No. Expiration
7
.Z13s 2. D
l I :1X
10
E4
21JS12G
lI1aZ2
g I fS G
Post Check- Some Std?tom N
l
1
YSI Pro Plus Meter C, .oration / Post Check Sheet
S/N: -177 Hach Turbidity Meter S/N Sc»
Field Crew: jSj-, C. Study:_ A.,.b y- DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): ICA.Temp
(°C): IQ.?
DI HBO [<0.1}
< 0.4 NTU ?
N %
Barometr}c Pressure (InHg): �a � j
BP (InFlg). 2L So
DO (%)
Xx.X
DO (mg/L)
x.xx
DO {%}
XX.x
DO (mg/L)
x.xX
Std: 100 NTU
tZ52- J
Initial
�j"2 .
U
{ tlO, >
„2
Lot #1
AkDS-Q %
90 - 110 NTU?
N
Adjusted
c� t �,
q J
Std Exp. Date:
Chart DO (x.xx mg/ DO {%)
Q „14J t
Chart DO
C1 1S ,r
Turbidity meter last calibrated Ems! 2�. 7�j
Within ± 0.5?
N J
Within ± 0.5?
y
Y) Nl
Specific Conductance (µS/cm at 2S'C) Calibration
Specific Conductance Post Check
Std, Value
1,000
X.
200
X.X
***Dry Air***
X.X
1,000
X.
200
- X.X
***Dry Air***
X.X
Temp
IR.y
IQ.�t
14.�(
o7 t,
6
Initial
tocoo J
Cj�l. K
0. G
Adjusted
After Calibration"
Cell Constant
180.0-220.0?
Y N/
< 3.0?
>N
900 -1100?
N r
180.0-220.0?
DN
.0?
CGN
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Opticnal*'
Std. Value
X.XX
10
X.XX
X,XX
7
X.XX
7
X.XX
10
XAX
4
, xX
Temp
I q . q
O. O
i q . ci
27
20 .7
Initial
7.J7
iO.vs
Fay
7.D7 J
to. it s
q7 -/
Theo. pH
7. of f
i
'7-D I /
7 -0 1 1
t 0.05' 1
4.OI
Adjusted
1 J - D6 /
fter Calibration
Slope(mV)
Slope(%of ideal)
Within±0.1?
N J
Wit n±0.2?
Y N/
Within ±0.2?
(D N l
Within
Q iV
✓�� 1
9V %
ccep
Atable pH slope (mV/pNJ: 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% !deal pW slope = 59 in
- rurmaity meters are cahWrated quarterly, see Turbidity Calibration Book ford eta ils
"After Calibratimi, 00 sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
1143��
Jf
FASWUvision FileslWater Qua litylMonitoringlReferenceslSOPskfuleterslarchivelCa11bration SOPICaFbration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: I Z 7 C)A 1
TimeTr I,0
Initials:
POST CHECK
Date:
Time: 0
Initials: _ _4?214_ /
Monitoring pH Data
Min: - 7 .
max.
If pH is < 6.9, post check with pH 4.0
Sty. Coviductanee 5tavc!arcl IpS/cm, at
Std
Lot NO. Ez Expiration
��—
200
d J Z% oZ -2-
1000
`] _ : z DZ Z.
Post Check- Same Std?`i/ N'
Std
Lot No. Expiration
7
10
z r p r/ 2 fz raz2
��%t?
4
t7 ZQ 2-
Ci7e k 5.: >>e Std'UY N`
I
YSI Pro. Pius Metter C iration / Post Check Sheet
S/N: z '7�© J f Hach Turbidity Meter 5/�/JN � QQ
Field Ctew: CC %]7 ' Study:,/f� x�, Ys',, aTr of
DURHAM
T urhidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post check. 7
Turbidity (NTU)
Femperature (°C): % ,6
Temp (°C): �
DI H'O
i
< 0.4 NTU ?
6 N
Bari ometrtc Pressure (Inrlgi: x 7 9 i
6P (InHg):
DO
XX.x
00 (mg/L)
X.XX
DO (%)
XX.X
DO (mg/L)
Y„XX
Std: 100 NTU
1 9.7
Initial
/OQ, ��
�! Q
' I -(a
2,3t
Lot #
A /4
90 - 110 NTU?
U/ N %
Adjusted
7, 11
Ltd Exp. Date:
I f-a,4 z
Chart DO (x:xx mg/ DO (%}-
G%. I
Chart DO
7i'v
Turbidity meter lost calibrated C� z 7 Z /'
Within ± 0.5?
N
Within T 0.5?
Specific Conductance WS/cm at 25°C) calibration
Specific Conductance Post Check
Std. Value
1,000
X-
200
X.X
***Dry Ar***
X.x
1,000
X. -
I 200
X,X
* *Dry Air
X.X
Temp
Initial
Adjusted
' 2©. r
j j0(1 Z
/
`L�'
+--
After Calibrationo
Cell Constant
180.0-ZZQ.O?
N y'
< 5.0? �
0 N
900 -? 100>`
Y N ,
180.0-Z2tI.Q? �
y N
< 3A1 }
J
. Q .
Acceptable Cell Constant range: 4.0 - 6,0
z
pH (s.+�. Calibration (perform
l:
Z-pt ra ibration far snit 4366)
1 < x
1 Confirmation pH Post
��
Check �I tio3ia�
Std. Value 7
X.XX
Temp 2 ©, �`
10 3 (for 2719 only
X. XX XXC
2, 3 jl ZO, 3
I 7 '
X.Xx X.xX
1G 't
X.XX t,xX
Initial f7.0q j
-7,0I
10.0-7 J 3 %
J
' % Tr% i
-7.
Theo. pH 1
10,06 0
Slope;mV) 15iop2
fter Calibration' —+
�c
(°o of ideal)
-7
__
A+ithin :i .; /:litr: ; + .::
i
Q
v. ihi ± C ,3
✓ G�
" i
�
�i , i= ,%
p N
Acceptable r 1- Slope (m. V/ph:)- z5
- 60 mV ; PH siope ( q6 of ideoll: 93
% to 102% -;
l
_Ii!x:A rir:'+rre;Iv See Tu.6rdityCalior.itiunBoo:,Enrdet=;l
E. iIu :,o. conductas,re Celt COnAant :1­�d Uh_e PH '_kOpr 1 0 fj.--

CALIBRATION
Date: 121 fill 1
Tirne: -7:3s j
Initials: ist-
POST CHECK
Date: lZ Z
Time:
initials: CC.
Monitoring PH Data _
Min:
tvla)c __ J
11pH is < 6.9, post check with pH 4.0
- - Z -C)
5td Lot nio.
✓;xpirotic n
2g0E7 j ! a,Z1�Dxa
s
Post Check- Same Std?71 N
pli Standard Ism.) -- -�}
jt[7
LOi ry C3 �tEp!�'c:
rim" j
_
13iaSta�
4
o f fl_
1 1( r
YSI Pro Plus Meter C, lration / Post Check Shut
S/N: Z7sa Hach Turbidity MeterS/N 65-00
rieldCrew: ice, GCG Study:�n,b;a••IL 07 v �2_ CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C}: +�
Temp (°C):Ct
DI 1120{<0.1}
•�
<0.4 NTU ?
N l
Baronietrlc Pressure (InHg). 24k,
8P (InHg}: 2�
___.._
Initial
QO (%)
xx.x
1d 1 . 7
T�DO {rr g/L} _
x.xx
Q .3 S -/
,i1
Q
within ± 0.5?
Da (%}
xx.x
I Chart DCt
Da (r"g/L)
x.xx
5
Within t 0.5?
5td: 100 NTL1
Q q . r a--
t
Lot#1 90-110NTU? Adjusted Ct16.S5 T
Ltd Ezp. Date: �(¢ _ �� ® N J DO fx.xx mV,/ -DO {50}
Turgidity meter lost calibrated _10/2713.1
Specific Conductance
at 25°C) Ca€ibrat;on
_ am.
Specific Conductance
Po` A Check
i
.Std. Valve
i 1,000 200
! '1DrvAir**'
1,000
I Ma
« Dly 4:r-R
I--_—�
X.
'20 S1
Ii
--
_:�-�ddd���
I' -- ---
Initial
[ ?dii-
�A
f
i
Aitc.r Caiibra}ion"
Cell Constant 18t,.0-220.0':'
f N
e 3.0?
N f J
900 -1100
1` V J
180-220.Q?
Y N
< 3.0? fE
Y [, /
I Acre
ptarble Cel, Constent range: 4.0 - 6-0
PH (s.1..) C89tiarataa.^. (perform
2 pY Calibration
:or eanit 4366
Confirmation pH Post
Check
7
Term) '
-- 0 -
1.0
I.
2,
— B--3
4 ifm 2-119 only)
IF k.xx
� 7
YAX X.iU:
10 "
_ Init"sai '7. —07 %
I
,
7
Then. pH 7, t /
I `adjusted
- ---
7.o I
10
Slope (Inv)
FterCalfi;atian
sk)pe 1?,. of ide=:l}�
VL'it
p
C16
-� crPta!]r'� rH sL�a�: 5;
- G' rat°:' , � nN
r�f idLn`:. 43
% ro ? UZ% L,... srnf_ 59
7�:`
Runk lO
P
n P. iE-
51 Lf r;.i'I'_:[`, i F do 5:'J �J C.:'- �f.�. -�"V �J J -'.•.i -.ill- -t. ..�t.]f. i7�-i
Zv' U
JT

CALIBRATION
Date: _
Time:initials:
POST CHECK
Date: 1211jilak._
Time: 111,.3.0
Initials: ?,!=
I— Monitoring pH Data I
Min: (017
Max: 7,5
If pH is < 6.9, post check with pH 4.0
5p. Conductance Standard gslcm at
Std I
Expiration
[-zoo
1oaQ
�D,__��'_���...
l 6 (2- Z A
1 z ZLOVI
Post Check Some Std? W N
PH Standard '(s.u.)
Std Lot No.
Expirotioli
7
D ' z
10
4
Post Check- Some Std? 0N
YS[ Pro Plus Meter C. oration / Post Check Sheet
S/N: �/ Hach Turbidity Meter S/N 11
Field Crew: _TZ.__`'y Study: � Gl7v OF
ouerwm
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): t
Temp ("C): i7
Di H_O (<0.1)
�+ ��
< 0.4 NTU ?
67 N J
Barometric Pressure (InHg): 9
BP (InHg): 0 ���
DO {%)
Xx.X
DO (mg,Q
MAXXX.X
DO (/°)
DO (mg/L)
X.xx_
_
Sid: 100 NTU
! a r
Initial
q _ S2 /
Lot#
A /O e
90 110 NTU?
N f
Adjusted
/D0,—
Std Exp. Late:
2�1262
Chart DO (x.xx mg/ DO (%)
`7 p
Chart DO ,
Turbidity meter last calibrated f � 2 � 'Z oilWithin0.a?
±
-
N
±
Within 0.5?
�
Specific Conductance (µS/crn at 25"C) Calibration
Specific Conductance Post Check
Std. Value
17000
K
200
x.x
*"*Dry Air***
X.x
1,000
X.
200
X.x
***Dry Air***
X.x
Temp
Initia!-.{�_�
I J
17,
kR.o
,0
Adjusted
lRe 1
A ter Calibration#
Cell Constant
180.0-220.0?
N J
< 3.0?
N J
900 -1100?
N
180.0-220.0?
Y i t %
< 3.0?
r N 1
Acceptable Cell Constant range: 4.0 - 6.0
pl-I (s.u.) Calibration (perfora) 2-pt calibration for unit 43661
Std. Vah�e 7 10 4 (for 27i3 -jnly)
v,7111
x.xx x.xx x.xx
Confirmation
7
x.xx
i „!i Post Check
7 10
x.XX x.xx
A.Std.
�71i-�.:;
7, l L?
0.
hr,©� l
_, O b
, 0-3
. 6
7.o.J
to.o
4.00
Adjusted
0
After Calibration
slope (mV)
Slope of ideal)
Within ±0.1?
�y N✓
Within +0.2?
� N J
VNithin _ C.2=
� '' I'd J
J l
� -
J
f
Acceptaule PH slope {rnl/IPH), 55 - 60 mV / pH slope ( q3 of ideal) 93 % to 102% !deal pH siepe = 59 rr.V
`Turbidity meters are cahbrcted yu,irrerfv.:ev. Turbidity Calibration Book for details
`After Calibration, DO sansor vah c, sp. c na€,cr.;rce cell constant anal ! he pH slope / °5 slope fs recorded from ,-;• c, � ', GLP
JJ�
F ISVV Division FileslWater Qua litylMonitor chive ;-,aio lilon Sheets & ikl;;i r!enanr_e Ic !'. -t==F i:.; i!;r •f:

CALIBRATION
Date: I 7 ;?_ D1_
Time: -7
Initials:
POSTCHE K
Date:
Time:
Initials: _
I Monitoring pH Data I
Min: (Y- CO 21J
Max: aA f
..If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µ5/cm at
25°C)
Std
Lot No.
Expiration
200
2 �
-% 1� O
10001/7ZO::/
/ �
/-//- ,�'. v
Post Check- Same Std? Y N
p" Standard (so.)
Std
Lot No.
Expiration
7
�" 011� t
zOLD
10
m OZ o
4
J
f
YSI Pro Plus Meter C..,bration / Post Check Sheet !
S/N: ��'36� Hach Turbidity Meter S/N 4"<6 1
Field Crew:L i i L- j�1'�1 � Study:,471 —w P! J CITYODURHAF
Turbidity Pre -Trip Checic*
Dissolved Oxygen (00) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 10
Temp ('C):
DI H q (<p.1}
z
r�
�` J
<0. NTU ?�
N
Barometric Pressure (InHg):1/4 �, �� r-j
BP (InHg):
DO {%� DO (mg/L)
XX.x XAX
DO (%}
XXIX
DO (mg/L)
x.xx
Std: 100 NTU
✓ �a { v
Initial
V � �, Z
Lot #
`� Q
90 - 110 NTU
N
Adjusted
U r ! /
� ,
Std Exp. Date:
J y �iZ p
Chart DO (x.xx mg/ DO (%) 3�
Chart DO
Turbidity meter last calibrated Within 0.5?
1J ±
9
p% NY
Within ± 0.5?
N
Specific Conductance (µS/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
x.x
***DryAir***
x.x
1,000
X.
200
x.x
Dry Air***
X.x
Temp
, rd/ .1
Xg-
, L J
Initial
J
z
Adjusted
/00
After Calibration's
Cell Constant
180.0-220.0?
N
< 3.0?
j
62 N V
900 -1100?
Y N
180.0-220.0?
Y N
< 3.0?
Y N
, 2
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional
Std. Value
7
x.xx
10
x.xx
4 (for 2719 only)
x.xX
7
x.xx
7
x.xx
10
x.xx
4
x
Temp
/ ,
��• 3
Initial
Theo. pH
% !
r� . 09
Adjusted
After Calibration
-Slope (RV—)
lo% of ideal)
Within ±0.1?
Y N
Within ± 0.2?
Y N
Within ± 0.2?
Y N
Within ± 0.2?
IT' ni
,
J'��
U
Acceptable pH slolze m f/ g
- / pN slope (% of ideal), 93 % to 102% Ideal pN slope W 59 mV
/l Yostt,check- Same Std? Y `N
%/ eve v�Yve, *Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
7 / % 1 "After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
4-4 ` P-499fr' 1'- "C ,� `�-7-' , Jam' e- /-) L y-, 4 R09 C
F:ISWIDivision FileslWater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SOP1Calibratfon S-reets & Maintenance i_ogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

Cl / / .717i1/!i
CALIBRATION /' f LG I
Date: 710-ay- 0
J
Time: 7 �2 0
Initials: 0147
POST CHECK
Date: I I T 2.02-0
Time: t3",0CD
Initials: cc_
Monitoring pH Data
Min:
Max: '
If pH is < 6.9, post check with pH 4.0
Sp. Candrrctance Standard W/cm art
25°C)
Std
Lot No.
Expiration
200
j oryry ' -
� 2,0
loon
1 V I� E `l
7—2-7 z
Post Check- Same Std?(Y j N J
pH Standard [se.)
Std Lot No.
Expiation
7
% V/,7- //A
ZDLL�
10
4
r 41z�
� ydz-v
Post Check- Same Std? {Y J N
YSI Pro Plus Meter Ca.,ioration / Post Check Sheet
S/N: I�V Hach Turgidity Meter S/N
Field Crew: /-?;- Study: f7�J r2, G2 14 �% CITY 01-
7 �JRHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C):
Temp (°C): iF5.•Z ,
DI HZO (<0.1)
< 0.4 NTU ?
Y N
Barometric Pressure (InHg):
BP (InHg): 2 1
- DO
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
Initial
Lot #
90 - 110 NTU?
Y N
Adjured'
Std Exp. Date:
I
Chart DO (x.xx mg/ DO {%}
Chart DO
a ,
Turbidity meter last calibrated
Within ± 0.5?
Y N
Withi n ± 0.5?
N
Specific Conductance (uS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.X - --
***Dry Air***
x.x
1,000
X.
200
X.X
***Dry Air***
x.x
Temp
f
t 0
Initial
J100rZ
J Z,
J U• 3
Adjusted
After Calil7rdtion�
Cell Constant
180.0-220.0?
Y N
< 3.0?
Y N
900 -110J 0?
Y N
190.0-220.0?
�
�1 Y N
< 3.0?
Y N
Acceptable Cell Constant range: 4.0 - 6.0
5
phe
SlL -,� 4�,� / ��r! ��, e✓ �� ��c7� T / ' dJ%Jr �i?� r�Cre
0 �JU-�
r J id)lb Io- cj
6-krc J
vStI C a
o .
�1u1�
rn /� /iy `� d *Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
�! / "After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
dGC �'i0 lK:sld�rrjrs'a+
pH (s.u.) Calibration {perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
optipnal
Std. Value
7
x.xx
10
x.xx
4 (for 2719 only)
x.xx
7
x.xx
7
x.xx
10
x.xx
4
x.x.
Temp
% . 2
/ , 2
/9 - yi J
4
1 Ca
•�{�
Initial
%.
v le, Z7-7
`�` �� J
/
7,0Y J
(0
i
Theo.
Theo. pH
J7, 0
d r 0?
Ot, J
7, e
j L
J' , IJ
I-100
Adjusted
r J
After Calibration
Slope(mv)
slope (%of ideal)
Within ±0.1?
0 N�
Within ±0.2?
� Y N
Within ±0.2?
� Y N
Within ±0.2?
l f d
j
Acceptable pH slope (mV/pN): 55 - 60 mV / pH slope ( 9% of ideal): 93 % to 102% Ideal pH slope = 59 mV
F.ISVIIIDivision FdesMater CtualitylMonitoringlmeferenceslSOP MeterslarchiveV alibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION r
Date: '4' .114
Time: I L'IC J
Initials: Gt..+ J
POST CHECK f
Date: % ! "� - Zv'Z 0
Time: / 7 J
Initials: C2 n/ti J
Monitoring pH Data
Min:
Max:
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (0/crm at
25-C)
Std
Lot No.
Expiration
200
l000
Ielo 12- 1 E
S Z02 d
Post Check- Some Std? C NJ
pH Standard (s.u.)
Std
Lot No. Expiration
7
�i
Z1
ZC-)Ld
10
Q 21i
6 2-cZ0
4
Post Check -Same Std? OF N'
J
J
J
l
J
YSI Pro Plus Meter Qm.,aration / Post Check Sheet
S/N: ' Hach Turbidity Meter S/N
Field Crew: C>V C L Study: A YI!CITY or
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): , '. -? . C;
Temp ('C): jz r
DI Hz0 {<0.1}
J�
< 0.4 NTU ?
Y N 1
J
Barometric Pressure (InHg): J�L
BP {InHg): '?
DO (%) DO (mg/t)
xx.x x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
(� 0
Initial`
Lot #
f Q eis-
90 - 10 NTU?
Y N J
Adjusted
[Std Exp. Date:
- ZO
Chart DO (x.xx mg/ DO (V.)
Chart DO
Within ± 0.5?
Turbidity meter last calibrated l SCE
Y N
Within ± 0.5?
v � N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
x.x
***Dry Air***
X.X
1,000
X.
200
X.X
***Dr-yAir***
X.X
Temp
J .�
n
2- Z , -3
/
Initial
J C fi
J2.5
1 VI
c3 `7
JZ' G'
Adjusted
J
After Calibration"
Cell Constant
180.0-220.0?
,} ,N
< 3,0?
Y N
900 -1100?
40 N
0.0-220.0?
N
< 3-0?
N
,j, .-I
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional
Std. Value
7
X.XX
10
X.XX
4 (for 2719 only)
X.XX
7
X.XX _
7
x.xx
So
X.XX
4
X.XX
Temp
Z�L,
��
Z,
2,AI
Z
72.z-.I
Initial
J
10
Theo. pH
. L
o. J
. o I V
6. U/
J
-Y' C) ij
Adjusted
J
fter Calibration
Slope(mV)
-
Slope (%of ideal)�53
Wit ±0.1?
Y N
Within ±0.2?
N ut
With in±0.7�?
`J
N
Within ±0.2?
N 1
. Q VI
C/
Acceptable pN slope (mV/pH): 55 - 60 mV / pH slope l % of ideal): 93 % to 102% !deal pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
amao
F:1SW\Division FilesMater Qua lity\Monitoring\References\SOPslMeters\archivolCalibiration SOP1Calibration Sheets & Maintenance Logs\Calibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date:
Time:
Initials: VA
POST CHECK
Date: / J1 / XED
Time: jI'.i7
Initials: JS L_
Monitoring pH Data
Min: 6, q
Max: 7.
J
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard fps/cm at
25°C)
Std
Lot No. Ex iration
200
io/z/�
dot o
1000
Post Check- Some Std?
pHStandard (s.u.)
Std
Lot No.
Expiration
7
D
aZa
10
4
T
Post Check- Some Std?o N
YSI ProaRlu&-Meter_ a,a3ration / Post Check Sheet
Hach Turbidity Meter 5/N16_7e&74 In
—�-7
Field Crew: 6�_ Study: A7A�Q•;"� / 3 coTvor
OVRHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ("C):
Temp ("C};
DI Hz0 (<0.1)
�• 1l
<0.4 NTU ?
J © N
Barometric Pressure (InHg): ,z
BP (1nHg): )a,, ,sstt
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100NTU
9��.+7
F90-MNTU?
Initial
l�
•,
16'•
q?.,-
CA �~
Lot #
90
® N
Adjusted
`alb
Std Exp. Crate:
�,7 .Z C7 0
Chart DO (x.xx mg/ DO (%)
Chart DO
Turbidity meter last calibrated /93d l
Within ± 0.5?
�J N
Within ± 0.5?f
Y N V
Specific Conductance (µS/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.x
***Dry Air***
x.x
1,000
X.
200
X.X
***DryAir***
x.x
Temp
-7
17,Q
17.0
initial
714,110
Z
1:�'• 5
�cJS ,q
C�.!
Adjusted
l(Q4P Jt
After Calibration"
Cell Constant
180.0-220.0?
J� N
< 3.0?
© N
1900 -1100?
/ l:� N
180.0-220.0?
Y N
] �< 3.0?
( V N
� a
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
C'y; ional'
Std. Value
7
x.xx
10
x.xx
4 (for 2719 only)
x.xx
7
x.xx
7
x.xx
10
x.xx
4
y,X
Temp
(o.
Initial
�7
0
. ao
J. �v
Theo. pH
Z0 ,10
—7. tg
7. O Z
l J a
Adjusted
l01 10
wlfflyMl
fter Calibration
Slope (mV)
Slope (%of ideal)
Within ±0.1?
N ', �
Wit�i ±0.2?
` Y N V
Within±0.2?
�
� Li N
"1 i
' IJ
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 m v
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:ISWIDivision FileslWater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SOP1Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: 1/qf1-0
Time: Oi . 40
Initials: GL
POST CHECK
Date: y
Time: 1300 1
Initials: C C�- J
Monitoring pH Data
Min: (L7 Ll
Max: • IL
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard JpSJcm at
2s°Q
Std
Lot No. l=xpirotion
200
4o6a14L
1,io;r_a
1o00
( ti O 11• t t:
`-l�
Post Check- Some Std?/Y f N
pH Standard Js.uJ
Std
Lot No. Expiration
7
Nok-1iA
?Si.1.6;,-J
10
0to -I13
fslao�o
4
lRoiy+C.
$!?ate
Post Check- Some Std?(Y ] N
YSI Pro Plus Meter Ca..aration / Post Check Sheet
S/N: _Ili 'yf , Hach Turbidity Meter S/N 6&26' 1 a
Field Crew: CL Study: 0" C CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): (9, 6J
Temp (°C):
DI H2O (<0.1)
J
< 0.4 NTU ? . i
(D N V
Barometric Pressure (InHg): ZCt , 5-3_ Z -.
BP (InHg): Z_q - --I} .
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
Initial
7 . }f
q .o
"1
#
ko2z 7
90 - 110 NTU)?
N v
Adjusted
Q SS , �, t%
q . ,D c, f
FSLot
td Exp. Date:
j'qa _ to
Chart DO (x.xx mg/ DO (%)
q .14
Chart DO
,f
Turbidity meter lost calibrated l z 13 r,1 l °\
Within ± 0.5?.
(D N
W !thin ± 0.5?
Y N
Specific Conductance (NS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
X.x
1,000
X.
200
X.X
***Dry Air***
x.x
Temp
. I
lei .D
fS,Ll
C7.
0 1
Initial
b —
20 6.
-S
11 G
6 .
Adjusted
1000
After Calibration"
Cell Constant
180.0-220.0?
f
Y N-/
< 3.0?
j
Y N"
900 -1100?
Y E N J
180.0-220.0?
Y N
< 3.0?
Y N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 43661
Confirmation
pH Post Check
optional"
Std. Value
7
x.xx
10
x.xx
4 (for 2719 only)
x.xx
7
x.xx
7
x.xx
10
x.xx
4
x.xx
Temp
OL.o
iCi.0
lei .V
z (3 - L-1
20, i
2U.r
Initial
'
Ip.vS
7• 0-f
Theo. pH
%. �
10. t7 'd
7. o i
1xi
10, 0 m
Ll
Adjusted
(d p�;J
fter Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1
G) N
Within ± 0.2?
Y N/
Within ± 0.2?
0 NJ
Within ± 0.2?
NJ
C(L
Acceptable pH slope (mV/pH): 55 - 60 mV /pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book far details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope/ % slope is recorded from the meter's GLP file
F:\SW1Divis1on FileslWater Quality\Monitoring\References\SOPS\MeterslarchivelCalibration SOP1Calibr2tion Sheets & Maintenance togs\Calibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: !r x (y
Time: yy
Initials: 0!` V
POST CHECK
Date: .2/ 1 l ;LD
Time: IZ:cr, J
Initials: aL.
Monitoring pii Data
Min: & 2- V
Max: 6.
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std Lot No. Expiration
200
Post Check- Same Std?
Ill Sland*d (s u.1
Std
Lot No. Expiration
7
/ !1/2 M
- z vz o
10
zazP
/h0l21
Post Check- Some Std? (1,)N
YSI Pro Plus Meter Ci.Aration / Post Check Sheet
S/N: 17'1'� 4�_O_ Hach Turbidity Meter 5/N 4��
Field Crew: ��, /� .� Study: 6, 4a L CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ("C): 1`' ,
Temp (*C): .1_0, �6- J
DI HZO (<0.1)
�/•
<0.4 NTU ?
(; N �:�
Barometric Pressure (InHg): ", J j J
BP (InHg): �q,4- 1�
DO (%)
XX.x
DO (mg/L)
x.xx
DO {%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
�a L7 J
Initial
J : %
� , O
QQ , c)
f ,q,) J
Lot #
?J v
90 - 110 NTU7-
m N J
Adjusted
Std Exp. Date:
C A a 9,
'Chart (x.xx mg/ DO (%)
.l /
Chart DO
5 ,
Turbidity meter last calibrated /z f
Within ± 0.5?
!
Within ± 0.5?•
/
Specific Conductance (µS/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
***Dry Air***
x.x
1,000
x.
200
x.x
***Dry Air***
x.x
Temp
n �
,1x.x
/ %e
C+
21,c;
Initial
/d o J
2e? -7• v
qq
2-0-7. J
o .-Adjusted
/d oU ,J
After Calibration"
Cell Constant
180.0-220.0?
O N �
< 3.0?
Y N
900 -1100?
� NJ
180.0-220.0?
f
Y IN
< 3.0?
Y�N
�, J
Acceptable Celf Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional"
Std. Value
7
x.xx
10
x.XX
4 (for 2719 only)
x.XX
7
x.xX
7
x.xX
10
x.xx
4
X.%x
Temp
/
/ � "7
zy 7
Initial
7,07
/p, Q
6.49-
I0.06
3.9q
Theo. pH
7, o 2-
162 • © C
d �.
7•0 t
lD o5
LA.©t
Adjusted
M=/c?
, 0 -
After Calibration,
Slope (mV)
Slope (% of ideal)
Within ±0.1?
(7 /
�� N i!
Within ± 0 2?
N
Within ±0.2?
Y� N I
Within ± 0.2,?
I
Y� !V
�j
7
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pH slope - 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book ford eta i Is
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meters GLP file
F:ISWIDivision FileslWater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SCIMCalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: Q�
Time: 14
C�
Initials: C L
POST CHECK
Date:
Time: t a�
Initials: [�aL-
Monitoring pH Data
Min: U/ 0 "
Max: E
£* if pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard(µS/cm at
25°C)
Std
Lot No.
Expiration
200
q O(Voy C
I� zow
1000
{� _
.�
r
J
Post Check- Some Std? Y 22-o zo j
CG
pli Standard {s a.]
Std
Lot No.
Expiration
7
I-i0 -1 A
a Z02C�
so
19 d 1 'Z 113
fl Zo �0
4
1 q0l)Lti✓
�1
Post Check -Same Std? 1b N j
YSI Pro Pius Meter Ca,,oration / Post Checksn Sheet
S/N: (C Hach Turbidity Meter S/AN I� [1r �
Field Crew: LI GC ��S Study: uURrwn,
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): r `- ...
Temp ("C): (6.67
_
4 ° 3
< 0.4 NTU ?
ON
Barometric Pressure (InHg): 'LU � .i
BP (inHg): ),q .713, j
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
Mx
DO (mg/L)
x.xx
Std: 100 NTU
initial
Lott#
Q
90 - 110 NTU?.
Y N �
Adjusted
U� ,
Std Exp. Date:
0 — Z
Chart DO (x.xx mg/ DO {/}
[ 0 J
Chart DO
Turbidity meter last calibrated �. ��
Within ± 0.5?
Y N J
//AWithin
± 0.5?
Y N >/
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.%
***Dry Air***
X.X
1,000
X.
200
x.%
***Dry Air***
x.X
Temp
,
1
I 15
q
Initial
W
, .2—
Adjusted
joo )
After Calibration
Cell Constant
180.0-220.0?
Y N/
< 3.0?
Y N
900-1100f?
Y N J
180.0-220.0?
N `f
< 3.0?
N J
I
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
x.xx
10
x.xx
4 (for 2719 only)
x.xx
7
x.xx
7
x.xx
10
x.xx
Temp
I&S
i,r�
q.
Q )
initial
C)q
A2. 10
o
�,.9,rs
lD.a{,
3,4sS
Theo. pH
i v
io , Ciq
T o4
l 0. a
14 .00
Adjusted
fterCalibration'
Slope (mV)
Slope (% of ideal)
Within ±0.1?
Y N ��
Within ±0.2?r
N
V 1
Within±0.2?
CY N j
Within±0.2?
_J
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% ;deal pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
°After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:ISW1Division FileslWater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: ` 20:G
Time:
Initials: e C_
POST CHECK
Date: '31 /)J_sXv
Time: 0- 5i7
Initials: a`
Monitoring pH Data I
Min: 5—
Max: 7,
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µ5/cm at
25°C)
Std
Lot No.
Expirotion
200
I 6
% 2c}z
1000
lei0 Z1
zozo
Yost Lneck- Some Std? � N
pH Standard (s.u.)
Std Lot No, Expiration
7
191
10
! 60 .Z_ 6
4
iate!?-t r✓
Post Cneck- Same Std? lJN
I
I/
YSI Pro Plus Meter C.r,bration / Post Check Sheet
S/N: L47� g Hach Turbidity Meter S/N b oo
Field Crew: Study: - - CITY OF
-- —� DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): IC
Temp (V: Ii{
DI H20 (<0.1)
< 0A NTU ?
/y N
Barometric Pressure (InHg): �G�
'� '
BP (InHg): lei !l �%
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
5td: 100 NTU
G'�Crl
Initial
�',
r�
Lat #
q U 3 �
90 - 110 NTU?
Y N V7
Adjusted Et ,
Chart DO (x.xx mg/ DO (%)
4 0 J
L I I U
i�6
Chart DO
Ck- 1j
5td Exp. Date:
hkZbu 2.
Turbidity meter last calibroted o
Within ± 0.5?
Y N �%
Within ±0.5?
Y N
Specific Conductance (µS/cm at 25*C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
x,x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
Ip cJ
ei3O J
-. /l-
iq� 77
Initial
L4
'V
q43 j
2.CG7., ( J
0 ,i j
Adjusted
('1(
After Calibration"
Cell Constant
180.0-220-0
�. ]
Y)N V
< 3.0?
Y N
900 -1100?
Y N Y
180.D-220.0?
© N
< 3.0?
Y� N`+
y,--�
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
C)0iul:A
Std. Value
7
x.xx
10
x.xx
4 (for 2719 only)
x.xx
7
x.xx
7
x.xx
10
x.xx
E.+:..
Temp
G} ,
Ci 2_
M �
Q . Ql
zo. t
Initial
, 02.j
I In C? ,-"1
T , 0-,3
7.O, J
10.0
3
Theo. pH
: (,�
, tv
. V -Z_
4.00
Adjusted
10 , 016
fter Calibration
Slope(mV)
Slope (%of ideal)
Within ±0.1?
Y N
WIWD ±0.2?
Y N,J
Wi n±0.2?
YY N�
}.','1Lhi -r'
f
561, .z_j!
q�5 0j
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (9a of ideal): 93 % to 102% ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Callbration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / Y. slope is recorded from the meter's GLP file
F:\SW\Division FilesWWater Qua lity\Monitoring\ReferenceslSOPslMeters\archlve\Calibration SOP\Cahbration Sheets & Maintenance LogsWCalib ration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION!
Date: iQ 2
Time:��
Initials: CC,
POST CH ECK
Date: O Z-0
Time:
Wtials: C7NI
I Monitoring pH Data
Min: _ (_a U2
Max:
lf pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
200
1000
E (
z
Post Cneck- Some Std? (Y1 N f
PH Standard (s.u.)
Std
Lot No. Expiration
10
0 12,'J
Z Q
4
tql%.
0
Post Cneck- Same Std? �) IN 1
J
FA
9
YSI Pro Plus Meter Ca.,oration / Post Check Sheet
S/N: lJ&O (O Hach Turbidity Meter S/N 62(92 QS
Field Crew: C C L Study: Al -ibi Ei1Y - ID z., ciTYOP
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check !
Turbidity (NTU)
Temperature (°C):
2
Temp (°C);
,
DI H2O (<0.1)
D�-✓ '3,
< 0.4 NTU�y
Y N
Barometric Pressure (InFig):
4
BP (EnHg):
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L) 11
x xx
Std: 100 NTU
(,.J
I� . k
Initial
r
;
Lot #
90 - 110 NTU?� /
Y� N -V
Adjusted
Chart DO (x.xx mg/
00 , C
DO (%)
2_JV
Chart DO
Std Exp. Date:
C) -
Turbidity meter last calibrated C
Within ± 0.5?
Y N Y
.n.. .&
_40-,
ithin ± 0.5?
Y
�,rf-
$+ r c� a 1 �
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
;**-Dry
Std. Value
1,000
X.
200
x.x
***Dry Air***
X.X
1,000
X.
200
X.X
Air*`*
XX
Temp
TInitial
�5
4.fiS. Hi
67
Adjusted
()001
After Calibration"
Cell Constant
180.0-220.0?
Y N"�
< 3.0?
M
Y N J
900 -1100?
N,%
180.0-220.0?
N
< 3.0?
� r
N v-
G, 0J
Acceptable Cell Constant range: 4.0 - 6.0
PH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional
Std. Value
7
x.xX
10
X.XX
4 (for 2719 only)
X.XX
7
X.XX
7
X.XX
10
X.XX
4
x.xX
Temp
Ia, . (V
I . iQ
2 e7.
Z 47,
Initial
1 C) �Y
10.10
,
Theo. pH
Oil
(7
0 1 J
`%
Adjusted
`f 0 V
After Calibration
Slope(mV)
Slope (%of ideal)
witWR ±0.1?
Y N �%
Wit "n±0,2?
N
Within±0.2?
Y NNI
vVithin±D
N
�`�-
_
`j J
Acceptable pH slope (mV/pH): 55 - 60 m V / pH slope (1 of ideal): 93 % to 102% /deal pH slope = 59 mV
- i urwaity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / /° slope is recorded from the meter's GLP file
F:\SW\Division Files\Water Quality\Monitoring\References\SOPS\Meters\archive\Calibra tion SOP\Calibration Sheets & Maintenance Logs\Cafibration Sh eets\YS I -Pro Plus Meter Calibration
Sheet-2019June
1
V
r
IFA

CALIBRATION
Date: J—(7-,za2_t7
Time: 71
Initials 49--k
POST CHECK
Date: 1'7 i-1-0
Time: L2; I.
Initials: (AL
I Monitoring pH Data I
Min: _6. cc
Max: �.+:,
if pH is < 5.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
fxplrotion
C
-W a
L1200
000I
_/0 y 0
Post Check- Some Std? VW
pH Standard (s.u.)
Std Lot No.
Expiration
�rZ
�17 ©
10
r 7
4
g/,1.a0
Post Check -Same Std? YU N
F1
J
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: itl 3 4/E7 Hach Turbidity Meter S/N r,, �0 0
Field Crew: Bi.-, 171-1 _ Study: dal' b puRHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('Q: v
Temp ('C): �{
DI Hz0 (<0,1)
0 �^
<CA NTU ?J
N
Barometric Pressure (InHg): � 'f ., 7 7
BP (InHg):
DO (%)
xx x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
5td: 100 NTU
J
Initial
f [�J 1, �, �
�, (
q �
� � �,
Lot #
A 3
90 - 110 NTU?
N V
Adjusted
,
r 7,/
Std Bxp. Date;
7 yp y 01,
Chart DO (x.xx mg/ DO {%]
, J -7 it
Chart DO
q'7 v
Turbidity meter last calibrated tf
Within ± 0.5?
N
Within ±03?
(Y N
Specific Conductance (PS/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
%.X
1,000
X.
200
x.x
***Dry Air*'k*
x.x
Temp
2- P, <
2—<!:?s Y
�zO- /
.e
21-57'
initial
/ p Fa t 4
2%
Dfi3
.Zlt. 43
1
�• c7 v
Adjusted
/10 00 J
Aker Calibration"
Cell Constant
180.0-220.0?
NJ
< 3.0?
IN
900 -1100?
f
180.0-220.0?
N
< 3.0?
N�
i6,
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration {perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optionaly
Std. Value
7
x.xx
10
x.xx
1 4 (for 2719 only)
x.xx
7
x.xx
7
x.sx
10
x.xx
4
x.xx
Temp
`�
'L'
t.
�l
.2L.C.
Initial
F
/a, 0
% , milli
7. D1 J
i0,0_ //
3. c:u I/
Theo. pH
'—,7i 0 j
�t? 62
Adjusted
�? 4
fifer Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
y' N ,J
Within ± 0.2?
OY N/
Within ± 0.2?
1
6) N Y
Within ± 0.2?
Q N f
r-7 f
Acceptable pH slope (mV/pH): 55 - 60 mV J pH slope (% of ideal): 93 % to 102% !deal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope l Y. slope is recorded from the meter's GLP file
F:\SVV0ivision Flles\Water Quality\Monitoring\?eferences\SOPs\Meters\archive\Calibration SOPICalibration Sheets & Maintenance Logs\Calibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: S - I Z - ZO
Time: 0(g ga
Initials: GC,
POST CHECK
Date: 5 -12 -20
Time: tj ", Q
Initials: e L
I Monitoring pH Data I
Min:
Max: LT
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
200
Wof _ G
CO ? 0
1000
(o iJ q
Post Check- Same Std? ON
pH Standard (s.tt.)
Std
Lot No.
Expiration
7
2.1
2-
10
lyCf G
3 2
4
N A
pp
iT
Post Check- Some Std?U N
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: �'�3 �fi (0 Hach Turbidity MeterS/N �L
Field Crew: (G / i Study: \��il,l P,I(1 1 01YUr
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): l
Temp (*C):
DI HZO (<0.1)
L C?
V
✓ < 0.4 NTU ?
Y N
Barometric Pressure (InHg): r
BP (InFEg):
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
�g
Initial
J
Z
J
Lot #
90 - 110 NTU?
j Y N
Adjusted
I q
J
Std Exp. Date:)
-- 2
Chart DO (x.xx mg/ DO (%)
Chart DO
13, 8b
Turbidity meter last calibrated �.3
±
Within 0.5?
Y N
Within ± 0.5?
J Y N
Specific Conductance (µ5/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
KA
1,000
X.
200
Xx
***Dry Air***
X.X
Temp
1 - ,31
0 _�
S I - &
, �
Initial
no
•JZ , 2
✓ l
t oo 2
J
J 0 , 2
Adjusted
V
After Calibrationx
Cell Constant
180.0-220.0?
J Y N
< 3.0?
j Y N
900 -1100?
O N
1}80.0-220.0?
J Y N
< 10?
IJ Y N
j 5' L
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
x.xx
10
x.xx
fer 27'i9 :riy)
x.xx
7
x.xx
7
x.xx
10
x.xx
..
Temp
2,
t.
Initial
✓'
q,oq J
' U . IS0
Theo. pH
, 0
. Q k J
Adjusted
fter Calibration'
Slope (mV)
Slope (%of ideal)
Within ±0.1?
O N
Wi ±0.2?`
Y N r1
Wit ±0.2?
N
WithirO2�
Y
5, J
Acceptable pHslope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% !deal pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
F:\SW\Division FileslWater Qua lity\Monitoring\References\S0Ps\Meters\archivelCalibration SOP\Calibration Sheets & Maintenance Logs\Calibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: _�� - - 2X-7 J
Time: 7r O0 )
Initials: Cc- 1
POST CHECK
Date: ILl - -ZC� J
Time: 'ki CS J
Initials: Lc, J
I Monitoring pH Data I
Min:
Max: �} 2 J
if pH is < 5.9, post check with pH 4.0
Sp. Conductance Standard (VS/cm at
25°C)
Std
Lot Z.
I Expiration
no
G
I (� go
1000
2
Post Check -Same Std? C N
pH Standard (s.u.)
Std
Lot No. Expiration
p
10
� f ' i✓
Z 1
4
`
/� +,ZlC.
q�L
I 6S
2_0
Post Check- Same Std?C) N
YSI Pro Plus Meter Co.,oration / Post Check Sheet
S/N: [ f l (D Q Hach Turbidity Meter S/N _,629po in
Field Crew:_ / e Study: ►Jlb �[?t/] t U v`� CITY or
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 13,
Temp (°C): 1 i ,
DI HZO (<0.1)
° 2-`�
<0.4 NTU ?
Y N
Barometric Pressure (InHg): e!� 7� n
BP (InHg): Z r
DO (%)
XX.X
DO (mg/L)
X.XX
DO (%)
xx.X
DO (mg/L)
X.Xx
Std: 100 NTU
��
Initial
1, U)
Jf Ob 1 17A
J
Lot #
Q0
�0 - 110 NTU?
Y N
Adjusted
JCI
Std Exp. pate:
p -Z
Chart DO (x.xx mg/ DO (%}a
8, 3
Chart DO
j2, , 76
Turbidity meter Iasi calibrated
Within ± 0.5?
Y N
Within ± 0.5?J
Y N
Specific Conductance (VS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.x
***Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
ZLI:.Z
41•'I • 2.
7
Z
Initial
ioo t
2- U
.3
0, 3 J
Adjusted
COO1
After Calibration"
Cell Constant
180.0-220.0?
Y N J
< 3.0?
N
900 -1100?
Y N V
180.0-220.0?
< 3.0?
J
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional "
Std. Value
7
10
X.XX
1 (for 2719 only)
X.XX
7
X.XX
7
X.XX
10
X.xx
4
h.XN
Temp
pX.XX
Z� ,'Z
Z
V— Z
ZN
'2 ,
Initial
71, C20 �
i b , O/Z. VA
. do
J
18, 63
3 6-4
Theo. pH
1, oc)
U) , 0 �
00
( J
IL . U \
Adjusted
fter Calibration
Slope (mV)
_
E55 , CPI
Slope (%of ideal)
i
, 1
Within ± 0.1?
��
�J N �I
Wi hin ± 0.2?
Y N �%
Within ± 0.27
N
Wit ± 0.2?
Y N J
Acceptable pH slope (mV/pH). 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensarvalue, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
F:1SW\Division FileslWater Quality\Monitoring\References\SOPs\Meters\archive\Calibration SOP\Calibration Sheets & Maintenance Logs\Calibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date:
Time:
Initials: C L
POST CHECK
Date: 2 20 J
Time: 11� is v
Initials: C G
Monitoring pH Data
Min: /
Max:
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std Lot No.
Expiration
200
11()
C1
1000
ZQp 1 Oq A
L 21
Post Check- Some Std? U
N
pH Standard (s.u.)
Std Lot No, I Expiration
7
py A
IZJ 2O
10
icl0 a i 1-<
s
4
010I-L
20
Post Check- Same Std?(Y ) N
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: .0 J r Hach Turbidity Meter S/N %n (0 Q
Field Crew: / C Gy Study: A �2 i CIO R of
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 2
Temp (°C): -Z5, s
DI H70 (<0.1)
�- r '
< 0.4 NTU ?
Y N
Barometric Pressure (InHg): 2 <1 b
BP (InHg): ?9
, 51-3
DO (%]
XX.X
DO (mg/L)
x.XX
DO (%]
Xx.X
DO (mg/L)
x.xx
Std: 100NTU
too
Initial
J
.iLi I
�C� .'0
Lot #
A 00 4 5
90 0 NTU?
Y N
Adjusted
_ .j
�/ 2
5td Exp. Date:
O Z
Chart DO (x.xx mg/ DO (%]
1 22
Chart DO
(� /
Turbidity meter last calibrated �.
Within ± 0.5?
Y N
Within ±0.5?
)
Y N I
Specific Conductance (0/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
. Ci
Initial
(��
-� f
�. `
Gi 1'At
'fZP1
L� V }
Adjusted
p 0 0 J
After Calibration'
Cell Constant
180.0-220.0?
Y N
< 3.0?
Y N `/
900 -1100?
N j
1g0.0-220.0?
Y N J
< 3.0?
Y N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
innai
Std. Value
7
X.XX
10
X.XX
,` .: !71`: only)
X.XX
7
X.XX
7
X.XX
10
X.XX
-
Temp
ZLl
Zy, +
L
ZS . eL
7-5
L4
Initial
U
o .()
r �i
o
^.
Theo. pH
a
l d ��
i Q v
11 OCR ./
i i t
,
Adjusted
C)
fter Calibration
Slope(mV]
Slope(%of ideal]
Wit n±0.1?
N
Within ±0.2?
Y N
Within ±0.2?
N
V.
{/
'-
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 my
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
K:1Division FileslWater Qua lity%Monitoring\ReferenceslSOPslMeterslarchivelCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2019June

CALIBRATION
Date: 0-7 ALI ] -ID
Time: E
Initials:
POST CHECK I
Date: [
Time:
Initials: C�
YSI Pro Plus Meter Calib� .,on / Post Check Sheet DURHAM
5/N: � (P rr Hach Turbidity Meter S/N lEj d d
Field Crew:, 5 L Study:
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU) Temperature (°C): Ll _ S
Temp (*Q) `�
DI HZO (<O.1)
(0 1
< 0.4 NTU?
v
N
Barometric Pressure (InHg): �� ,
BP (InHg):
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
.J
DO (mg/L)
x.xx
5td: 100 NTU
Initial
��, �'
_ ( F
Lot #dam
90 - 110 NTU?
Y(Z N
Adjusted
�, ),_"
ffiki
Std Exp. Date:
d j 1 `
Chart DO (x.xx mg/ DO (%)
$, 1�4,
Chart DO,
J
Turbidity meter last calibrated �� 1 �
After Calibration"
DO Sensor Value
Within ± 0.5i?
G N v
± 0.
Within 5?
',�v N
5 3
Acceptable DO sensor value range: 4.31 uA to 8.00 uA (yellow, 1.25 mil PE membrane)
I Monitoring pH Data I
Min: td• (-J
Max: (I 2�— V
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (VS/cm at
25°C)
Std
Cot No.
Expiration
200
� 1
!�U
1000
,+
Post Check- Some StdX,—Y) N
pH Standard (s.u.)
Std Lot No. Expiration
7
Ag
{"I \J 6i0-Iyy
10
Io Q
/�
4
//
U Lall c
�_o
Post Check- Some Std�l N
J
Specific Conductance (}.6/cm at 25°C) Calibration
Specific Conductance Past Check
Std. Value
1,000
X.
200
X.x
***Dry Air***
x.x
1,000
X.
200
x-x�{
***Dry Air***
x.X
Temp
Initial
J
` 1 J
Adjusted
C� , f
&id
After Calibrations
Cell Constant
180.0-220.0?
N
< 3.0?
��--rr��
LYJ N J
900 -1100? '
Y N
180.0-220.0?
]
<Y NV
< 3.0?
N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Optional
Std. Value
7
x.xx
10
j i'l4, x.xx
7
x.xx
7
x.xx
10
x.xx
4
x.xx
Temp
. _3_ 9
Initial
tp J
(v ,cl
.a{
f
Theo. pH
Adjusted
s
After Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
f
NV
Wi n ± 0.27
)
N✓
Within ± 0,27
y
�Y NV
t �. ± }.?
0 J
1/
4j5.3 ✓
` ✓
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of Ideal): 93 % to 102% Ideal pH slope - 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
F:ISWIDivision FileslWater Qua[ itylMonitoringNReferenceslSOPslMeterslarchivelCalibration SOP1Calibration Sheets & Maintenance LogslCalibration SheetslArchived Calibration,QAQC
Works heetslYS[-Pro Plus Meter Calibration Sheet-20170ecember

CALIBRATION 1
Date: T� f1i i
Time: t : Ulu J
Initials: C.<( ,
POST CHECK
Date:
n ime:
'911nitials:
Monitoring pH Data
Min: Z
Max: . 'L
If pH is < 6.9, post check with pH 4.0
YSI Pro Plus Meter Calib. .ion / Post Check Sheet
DURHAM
S/N: !47262 � Hach Turbidity MeterS/N (• (005 in
Field Crew:-�,L Study: a 6 9
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU) Temperature (°C): Z
Temp (°C): ,
DI H20 (<0.1)
ti • '10
< 0.4 NTU ?
� N J
Barometric Pressure (InHg): -�
BP (InHg): ZG�
DO (%) DO (mg/L)
xx.x x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
i0 2-
Initial
10 ' 3
I 5
Z
Lot #
A 00 95
90 - 110 NTU?
Y N J
Adjusted
b , G J � 2
Std Exp. Date:
-
Chart DO (x.xx mg/ DO (%) % 3
Chart DO
Turbidity meter last calibrated ,% 2q 21. ZU
After
DO Sensor Value J ithin ± 0.5?
Y N
Within ± 0.5?
Y N
Acce e DO sensor value range: 4.31 uA to 8.00 uA (yellow, 1.25 mil PE membrane)
Sp. Conductance Standard (VS/cm at
25°C)
Std
Lot No.
a
2-00
L
Post Check- Same Std? f Y) N
pH Standard is,u.)
Std J
Lot No.
I Expiration
7
1 0W A,
12. Zc�
10
9 oe7i i T c,
3 • 2I
4
JqQ 12-1C
Z
Post Check- Same Std?(Y) N
Il
l
A 1.4 ^+1-1 r'A I,inY»1-,nin C]/\ a n 1-
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
x,
200
x.x
***Dry Air***
x.x
Temp
Initial
U
2. ✓�
r v
I 1C7
Z
C) +�
Adjusted
moo
After Calibration"
Cell Constant
180.0-220.0?
Y N
< 3.0?�
N
900 -1100?
Y N
180.0-220,0?
LY N
< 3.0?
Y N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Optional
Std. Value
7
x.xx
10
x.xx
7
x.xx
7
x.xx
10
x.xx
4
Temp
2_
2�1
Z_ 2
2Li.
Z .rl
2 ,
Initial
, 01
100S J
q . 0 %
cv cl
3 : 6-1
Theo. pH
f
T , 00 /
IV • 01z.1
Adjusted
a , v-L
After Calibration"
Slope(mV)
Slope(%of ideal)
Within ±0.1?
�J N
Within ±0.2?
Y N J
Within+0.2?
N
y _'?r
r `.
liJ
Acceptable pH slope (mV/pH): 55 - 60 mV /pH slope (% of ideal): 93 % to 102% !deal pH slope = 59 mV
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp, conductance cell constant and the pH slope / `3'o slope is recorded from the meter's GLP file
Fill 60n�,
d6& �v
dkA.,
F:ISWIDivision Files%Water QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslArchived Calibration,QACIC
WorksheetslYSI-ProPlus Meter Calibration Sheet-2017December

CALIBRATION
Date:
zglp—c�j-
Time: i S 1
Initials: cc, J
POST CHECK
Date:
Time: U
Initials: t L
Monitoring pH Data
Min:
Max:
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (p.S/cm at
ZS.C)
Std
Lot No. Expiration
200
MC
q 2.0
1000
ZOO 109I
Z I
Post Check- Some Std?C) N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
Ll
t 2-0
10
2 0
3 2
4
Post Check- Same Std? UN
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: 3 & (N Hach Turbidity Meter S/N h; 50 C�
Field Crew: f Study:fq�_ u� .� �, (� OTY of
`�� ). e�T DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
❑O Post Check
Turbidity (NTU)
Temperature (°C):
Temp (°C): 2.9 a
DI HZO (<0.1)
C1 . ) ?
J
< 0.4 NTU ?
Y, N J
Barometric Pressure (InHg):
BP (InHg):
l
DO (%)
Xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
2
initial
'
Lot #
L
90 - 110 NTU/?
Y N J
Adjusted
5J
Std Exp. Date:
rj r Z J
Chart DO (x.xx mg/ DO (%)
[',
Chart DO
Turbidity meter lost calibrated 2
Within ± 0.5?
Y N \/
Within ± 0.5?
Y
Specific Conductance (pS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.x
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
2.
22,9
2.y,S
2 �
Initial
61M)
-Z 14 21-�J
jL�j1I d
f
Adjusted
After Calibration"
Cell Constant
180.0-220.0?
/
C N .{
< 3.0?
Y NJ
900 -1100?
Y NJ
180 -220. ?
Y N
< 3.0?
NJ
14 ,i
f
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
-
Std. Value
7
x.Xx
10
x,XX
X.AX
7
X.XX
7
X1XX
10
X.xX
Temp
.9, 1
29,
2LJ,S
ZL
Initial
M V t/
71 . ()3"J
ld .o v
Theo. pH
i'110
O
00J
. 0(-':kJ
lip.0
i(U
Adjusted
V © Zj
After Calibration'
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
N t/
Within ±0.2?
Y N J
Withi ±0.2J?
Y N r!
/
Y NV
7
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 my
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensorvalue, sp. conductance cell constant and the pH slope / 910 slope is recorded from the meter's GLP file
KADivision Files=ater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SOPICalibration Sheets & Maintenance t-ogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2019June

CALIBRATION
Date: Sh
)Time:
Initials C �i
POSTCHECK n
Date: 0
JTime: j
Initials: GG
9
J
Monitoring pH Data
Min:
Max: 9—
If pH is < 6.9, post check with pH 4.0
1-
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
700
2 D
1.000Wo
koq
1 2 1
Post Check- Some Std P/Y ) N
pH Standard (s.u.)
5td
Lot No,
I Expiration
7
Ig O(00
-z 0
1D
C
`Z
4
Post Check- Same Std? Y) N
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: ? 1 1': I Hach Turbidity Meter S/N b 12 0 S
Field Crew: 6L f C L Study: OTY OF DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): 7- 3 _ (�o /
Temp (`C): 7 {a`
DI Hz0 (<0.1)
j0
<0.4 NTU ?
Y N
Barometric Pressure (InHg): 2G.'
BP (InHg): 7 LI
DO (%)
xx.x
DO (mg/L)
X.xx
DO (%)
xx.x
DO (mg/L)
X.xx
Std: 100 NTU
I
Initial
go LOL4f
iV
Lot #
f
90 - 110 NTU?
Y N
Adjusted
Std Exp. Date:
05 — I
Chart DO (x.xx mg/ DO {%)
)
Chart DO
Turbidity meter last colibratedl 2-
Within ± 0.5?
Y N
Within ± 0.5?
/
Y Nt/
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.x
1,000
X.
200
X.x
***Dry Air***
X.x
X.x
Temp
Zti .
ILI Z.
t� ` . 0Z�
. T
Initial
GI
21 G
%
2iLi T
�-
Adjusted
loco
After Calibration'
Cell Constant
180.0-220.0?
Y N
< 3.0?
Y N J
900 -1100?
IrY N V
180.0-220.0?
Y Nv
< 3.0?
Y) N U
5 0
Acceptable Cell Constant range: 4.0 - 6.0
PH (S.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.Xx
10
X.xx
x.xx
7
x.xx
7
x.xx
10
X.xx
Temp
ZL . 2.
2il
, 1
z .
.03J
I0•0
10
Q. l
.0(a
O-d^rJ
10 - Q_
3�J
GInitial
Theo. pH
. ovJ
is . U2 J
p cj
4 . 0 1
U J
Adjusted
S 9
,/
fter Calibration
Slope (mV)
J L
J
Slope (% of ideal)
L J
Within ± 0.1?
Y N V
Within ± 0.2?
Y N
Within ±0.2?
Y N ,/
N (/
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 my
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
@1'
/6//�/01�j_
K:1Division Files\Water Quality\Monitoring%ReferenceslSOPs%Meters%archive%Calibration SOP1Calibration Sheets & Maintenance Logs\Ca(ibration SheetsWSI-ProPlus Meter Calibration Sheet-
2019June

CALIBRATION
Date: T me: O Z�
Initials: _ e Ci
1
POST CHECK
❑ate: b - y - w2(,
J Time: 11o s U✓
Initials: C C
J
J
I Monitoring pH Data I
Min: (9 • 2
Max: 0
if pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
200
2l�
1000
Post Check- Some Std(Y) N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
a 2.o
10
1610 110 C
3 2
4
i 01 Ei
8 ZC7
Post Check- Some Std?I Y I N
YSI Pro Plus Meter ll
eter Calibration / Post Chec/rk�, Sheet
S/N: 13 �/ (0 Hach Turbidity MeterS/N S00 IN
Field Crew:Study:CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C):
Temp (°C):
DI H2O (<0.1)
® `
�< 0.4 NTU ?
Y N
Barometric Pressure (InHg):J113
BP (InHg): V 26 4
DO (%) DO (mg/L)
XX.x x.xx
DO (%)
xX.x
Do (mg/L)
X.xx
Std: 100 NTU
0 2
Initial
, _
,�
- C
Lot #
0 ci S
90 - 110 NTU?
Y N
Adjusted
G �%
Std Exp. Date:
S -Z \
Chart DO (x.xx mg/ Do (%) ul
Chart DO
jS LA
Turbidity meter lost calibrated Z Z Within ± 0.5?
V Y N
/Within ± 0.5?
j Y N
Specific Conductance (µS/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.X
***Dry Air***
X.x
1,000
X.
200
x.x
***Dry Air***
X,x
Temp
'7.
2. �
�/
L % `2 •
2_9 , -
Initial
.J -2- I
�—
•i
-�—
Adjusted
d C70
After Calibration
Cell Constant
180.0-220.C?
,% Y N
< 3.0?
Y N
900 -1100?
d Y N
180. -220.0?
i✓ Y N
< 3.0?
Y N
,Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.XX
10
X.XX
1719 only)
X.XX J
7
X.XX
7
X.xx
10
x.XX
Temp
. 3
- 3
Z . --
2--
2-1 . cA
Initial
E2
10.00
7• C) J
'0
Theo. pH
C7(7
i 2.
<nC7
bC�J
{��O14
Adjusted
IJ I O . u 2-
After Calibration
Slope (mV)
Slope (% of ideal)
± 0.1?
WPy
N
Within ± 0.2?
o N
Wit + 0.2?
N
Wi "
!
Y N J
) C'
J S
Acceptable pH slope I'mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 my
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
'After Calibration, DO sensorvalue, sp. conductance cell constant and the pH slope / 96 slope is recorded from the meter's GLP file
K:1Division FilesllNater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SOPICalibration Sheets & Maintenance LogslCalib ration SheetslYSI-ProPlus Meter Calibration Sheet-
2019June

V
CALIBRATION
1 Date: eA 0zo
Time: `• Z_p
Initials: C C_
POST CHECK
Date: Ci 1C7ZC7
Time:
Initials: L..?
Monitoring pH Data
Min: 2
Max:
1f pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (VS/cm at
25°C)
Std Lot No.
Expiration
200
JCJ 06117
q 2_0
1000
1 I z i
Post Check- Some Std?f Yl N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
/
�i Gl Cau 4 A
I2. Z
10ej�
o } c
3 2
4
i /
jZ ZN
Post Check- Some Std 3' / N
YSI Pro Plus Meter Calibration / Post Check Sheet
r S/N: - 6 Hach Turbidity Meter S/N Ca Is �D 0
Field Crew: S L/ G C Study: A }Y1 a7Y or
DURHAHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C):
Temp ("C): 7—y ,LJ
❑I HZO (<0.1)
<0.4 NTU ?
Y N
Barometric Pressure (InH& CI Z
BP (InHg):
DO (%)
Xx.x
DO (mg/L)
X.XX
DO (%)
XX.X
❑O (mg/L)
x.xx
Std: 100 NTU
G
Initial
J
IS
Lot H
)
90 - 110 NTU?
Y N
Adjusted
G (0
, L j 1♦ J
Std Exp. Date:
C!
Chart DO (x.xx mg/ DO (%)
I%
Chart DO
Turbidity meter last calibrated W
Within ± 0.5?
Y N✓
Within ± 0.5?
Y N 11
Specific Conductance (µ5/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
J'
Z
23, 'L
1 Zy 7
Z 2-
Initial
jCAG�
dZ18 _
J
q9C-)
I C
Adjusted
,j I ©' c o
After Calibration'
Cell Constant
180.0-220.0?
�'
Y N
< 3.0?
-
Y N
900 -1100?
V Y N
80.0-220.0?
Y N
y < 3.0?
Y N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.XX
10
X.XX
X.XX
7
-
7
X.XX
10
X.XX
Temp
Z1 �i•GW..V.
Z' •
2y1S
i
Initial
J Q
J o u
o z J
4• o
)0 . 2
Theo. pH
J ��
,� 2,
bC�J
O
I(7 0 \J
L? 1
Adjusted
After Calibration'
Slope (mV)
Slope (% of ideal)
Witwp 1 0.1?
Y N
Within 0.2?
Yf N
Within ± 0.2?
Y N/
Y nl
- s
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% (deal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
K:1Division FileslWater Qua lityUcinitoringlReferenceslSOPslMeterslarchive%Calibration SOP\Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2019June

CALIBRATION
Date: I W20
Time: (5
Initials: C C_ �1
POST CHECK
Date: 1-
Time:
Initials: CC.,
Monitoring pH Data I
Mir: (f. `i i
Max: 6.4 J
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
200
20
1000
1 Zooiocl1
2-
Post Check- Same Std? {3 N r
pH Standard (s.u.)
Std
Lot No.
Expiration
7
161Q. 04 A
1Z
10
��
,j 1
4
C"
Post Check- Some Std? i Y \ N
J
I
JJ
J
YSI Pro Plus eterriga . gun / Post Check Sheet
S/N: f, Hach Turbidity Meter S/N {(f U
Field CrewStudy: Alt*t.eyiti )2 `� _ C17YOF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration i
DO Post Check
Turbidity (NTU)
Temperature (*C):
Temp ('C):
DI H2O (<0.1)
�)
J
<0.4 NTU
; N
Barometric Pressure (InHg): � �G li
BP (InHg): 2C)2
DO (4'0)
Xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
`
Initial
102 01 J
2
CIS ,
Lot #
ti 0 S
90 - 11❑ NT�U)?
Y N V
Adjusted
! S %
J
Std Exp. Date:
- 2
Chart DO (x.xx mg/ DO (%)
i%
Chart DO
Turbidity meter last calibrated �Z[�
Within ± 0.5?
Y N i%
Within ± 0.5?
J
Y N Y
Specific Conductance (µ5/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
XA
***Dry Air***
K.x
1,000
X.
200
X.x
***Dry Air***
x.x
Temp
L
fir, 1
Initial
1003
21J
✓
I COC7 jI
i D
Adjusted
J
After Calibration
Cell Constant
180.0-220.0?
Y N
< 3.C?
Y Nt/
900 -1100?
Y Ni%
190.0-220.0?
Y+ N
< 3.0?
Y NI/
Acceptable Cell Constant range. 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
x.XX
10
X.XX
;ior 2719 only`
x.xx
7
%.XX
7
x.Xx
10
X.xx
Temp
2'. i, j
L2. i
2
Z
Initial
v/
, O +I
c m V
to.ouv
Llj
Theo. pH
CA1
Cl%
C '
i \ j
Adjusted
r- V
3 , cis J
fter Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
-�
Y j N
Within ± 0.2?
-
Y) N✓
Within ± 0.2?
�Y' IN
Y N L)
�5Q.
v
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% !deaf pH slope = 59 m y
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Bookfor deta€€s
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / Y. slope is recorded from the meter's GLP file
j
K:\Division Files=ater Qua lity\Monitoring\References\S0Ps\Meters\archive\Calibration SOP1Calibration Sheets & Maintenance LogslCalibration Sheets\YSI-ProPlus Meter Caiibration Sheet-
2019June

J
a
J
CALIBRATION
Date: q/1120 _
Time: 7:4,D ' J
Initials: it
POST CHECK
Date:
Time: J
Initials: C. C -
Monitoring pH Data
Min: L[r- LA
Max:
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µ5/cm at
25°C)
Std
Lot No.
Expiration
2-00
i 4ol
1%0%..
1000
1W 11
WL1
Post Check- Some Std?Q) N
PH Standard (s.u.)
Std Lot No. Expiration
7
I
10
—
10104111 77 C4
All It '<
1742432AD
Post Check- Same Std
, - 'Y IV ��I�
�J I
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: 4 *&&b Hach Turbidity Meter S/N
I N
Field Crew: 19LStudy: `ia,f M
DUIrRHAM
Turbidity Pre -Trip Cl
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ("C): S -$ J
Temp ('C): S
DI H2O (<0.1)
7
✓
< 0.4 NTU ?
N
Barometric Pressure (InHg): ,'Lq .53Oi
BP (InHg):
DO (%)
xx.X
DO (mg/L)
X.XX
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
IOl J
Initial
q0,16
J
V
.
Lot #
119-
90 - 110 NTU?
l% n N
Adjusted
q g , s J
S.
I
Std Exp. Date:
I n - 2.1
Chart DO (x.xx mg/ DO (%)
%.So J
Chart DO
Turbidity meter last calibrated %/141a.o f
Within ±0.5?
Y N L/
Within ± 0.5?
Y N J
Specific Conductance (µ5/cm at 25*C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
s.x
1,000
X.
200
X.X
***Dry Air***
X.x
Temp
2A -5-1J
141.:c J
z3.b
?_
7—y ,
Initial
1Oo .J
2,
0.0 �
Z
Adjusted
IOaI
After Calibration"
Cell Constant
180.0 -220.
0N
< 3.0?
Y N
900 -11C0?
Y NV
180.0-220.0?
p
Y� NV
3.0?
Y
14, dL J
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.XX
10
XAX
X.Xx
7
X.Xx
7
X.XX
10
X.XX
Temp
y. s
ZK .,4
Initial
-Y.00 J
'? J
7.ol
J
)D , (1 qJ1
3.
Theo. pH
7. op
10.02.
7.00 J
coi
J
iA(J +�
Adjusted
10.0: J
tter Calibration'
Slope (mV)
Slope (% of ideal)
Within ± 01?
y� N J
Within ± 0.2?
(D N V
Wit �n ± 0.2?
Y N J
S6 J
q�
Acceptable pH slope (mVlpH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
'After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
K:\Division Files\VVater Quality\Monitoring\References\S0 lrslarchive\Calibration SOP\Calibration Sheets & Maintenance Logs\Calibration Sheets\YSI-ProPlus Meter Calibration Sheet-
2019June

CALIBRATION
Date: f .+ 0 2 d 2-
Time:
Initials: Cc ?0 J1
POST CHECK
Date: b 0 ZCJZU
Time:
Initials: cc,
Monitoring pH Data
Min: LU• ('
Max: _ Z
If pH is < 6.9, post check with pH 4.0 JI
Sp. Conductance Standard [µS/cm at
25°C)
Std
Lot No.
Expiration
200
2 i
1000
zCnoq
I z
Post Check- Some Std? UN
pH Standard [s.u.)
Std
Lot No.
Expiration
7
2 zO
10
JC109 1.TG
3 7-
4
oc11
�1-
2 Z4.
Post Check- Same Std? Y N
YSI Pro Plus Me:._: Calibration / Post Check S/heet
S/N: .Z f 1 C, Hach Turbidity Meter S/N J G2 O 1 d
Field Crew: eC Study: A�+��• of CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): •Z 1,
Temp (°C): Z
DI HzD (<0.1)
< 0.4 NTU ? 1
gf N ✓
Barometric Pressure (InHg):4E } � •Z
BP (InHg): 2
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
XX.X
DO (mg/L)
x.xx
Std: 100 NTU
(J Z
Initial
LC 619
i ,S8
Z. J
Lot #lA
OZ7
90 - 110 NTU?
N J
Adjusted
A ,
Std Exp. Date:
z aAJ
Chart DO (x.xx mg/ DO (%)
2 ,
Chart DO
Turbidity meter last calibrated 9 2
_----_L12N
Within ± 0.5?
Within ± 0.57
N J
Specific Conductance (µS/cm at 25°Cl Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air**"
X.X
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
2 .
� R C�
L.
2-3-4
23. 3
Initial
^� _
1
[
211
---
Adjusted
/
After Calibration"
Cell Constant
180.0-220.0?
N '.J
Y 1
< 3.0? 1
Y IN
900 -1100?
180.0-220.0?
< 3.0?
6
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.XX
10
X.XX
XXX
7
X.XX
7
X.XX
10
x.XX
4
X,-i
Temp
21. F5
, �z. t
zz-c1
2_1--1
Z3.
2
Z
Initial
t OS
10 .
L i , 10
(a •
0,
Theo. pH
(DO
IQ . 03J
, Q ,%
. 00
7.06 J
Adjusted
After Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
Within ± 0.2?
/
Wit Wn ± 0.2?
/
Cy
Acceptable pH slope I'm V/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Bookfor details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
f 1. 0_ j
F:ISWIDivision FileslWater QuaiitylMonitoringlReferenceslSOPSIMeterslarchivelCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: Gd�
Time:
initials: C C�
POST CHECK
Date: W
Time: h3C) JJ
Initials: 6r—
Monitoring pH Data
Min:
Max: (p,
1f pN is < 6.9, post check with pN 4.0
Sp. Conductance Standard (VS/cm at
25°C)
Std
Lot No.
Expiration
200
-zooG 18
2
1000
2-00 ion A I
k Z 2- l
Post Check- Some Std? 0 N
pH Standard (s.u.)
Std
Lot No. Expiration
7
I C? A
vZ 2 0
10
OG4 l -',
'21
4
0 Q&Q L1 B
12 20
Post Check- Same Std 2r-9 N
YSI Pro Plus IVle,- Calibration / Post Check Sheet
S/N: _H,��y' Qa Hach Turbidity Meter S/NN 1 o
Field Crew:_D�-1 IC C Study: A k l C Ui y} 2 CITY of
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 13 -L
Temp (°C): 2 ,
DI Hz0 {<0.1)
© 0 �l
< 0.4 NTU ? f
(Y�) N
Barometric Pressure (InHg): 9
SP (InHg):
DO (%)
xx.x
DO (mg/L)
x.xx
DID (%)
xx.x
DO (mg/L)
x.xx
Std: 100 N7U
l V
Initial
Cl ,
,S.J
06 , b
CS
Lot #
AW
90 - 110 NTU/'?
Y N ',/
Adjusted
co
Std Exp. Date:
(� fl-2-�
Chart DO (x.xx mg/ DO (%)
J
Chart DO
S /
ni
Turbidity meter fast calibrated ��_�
it r
Within ± 0.5?
!
Y N J
Within ± 0.5?
Y N J
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x
200
x.x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
�I
f, 5
-
'2-� �
� -Z
1
� 'T J -
E3.
Initialloot-1
f
Z 0, C J
6-CA J
!
Adjusted
Qc)o
After Calibration"
Cell Constant
i80.0-220.0?.
Y N
< 3.0?
j
Y N J
900-1100?
r
Y N
180.0 -220.0
N
< 3.0?
F
CY2 N
S{
Acceptable Ce11 Constant range: 4.0 - 6.0
pH (s,u.) Calibration (perf rm 2-pt calibration, for unit 43bG)
Confirmation
pH Post Check
Std. Value
7
xxx
10
x.xx
x.xx
7
x.xx
7
x.xx
10
x.xx
Temp
Z J�7-
fa
. L
13 �
n
L
�i
L3 �
Zp
Initial
al
ire • 015
1 - Q"L
3r0i
10
S. cl
Theo. pH
C7C5.i
I .
T • 00
Adjusted
Go . o
fter Calibration
Slope (mv)
Slope (% of ideal)
Within ± 0.1?
Y N
Within ± 0.2?
Y N -/
Within ± 0.2?
I
0 N J
0,/2
Acceptable pN slope (mV/pN): 55 - 60 mV / pH slope ( Y. of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibratfon Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:ISVV\Division FileslWater Qua litylMonitoringlReferenceslSOPslMeterslarchivelGalib ratio n SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPius Meter Calibration
Sheet-2019,lune

CALIBRATION
Date: 10 C)
Time: Q :3
Initials: C G
P05T CHECK
Date:..11*1
Time: 11i S
Initials: � CT
Monitoring pH Data
Min:
Max:
..If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µs/cm at
25°C)
Std Lot No.
Expiration
200
200 1$C,
82.
loon
Zoo r o6l A
ti 2-1
Post Check- Same Std? N
pH Standard (s.u.)
Std
Lot No.
1=xpirction
7
10i (p A
l2 Zo
10
M9 i ic
3 Xzi
4
1 C1 Q(o
12 J 2()
Post Check- Some Std? V
YSI Pro Plus Me... Calibration / Post Check Sheet
S/N: 23 t c:A Hach Turbidity Meter S/N W u 0S l
Field Crew: &_ / C L Study: A vi io-ie vi � �I
19
CITY of
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): L
Temp (°C): 2'Lca
DI Hz0 (<0.1)
< NTU ?
Y N
Barometric Pressure (InHg): -2-c%�
i_
BP (InHg): 2 ' -IZLA
DO (%)
Xx.X
DO (mg/L)
X.X.
DO (%}
xx.x
DO (mg/L}
x.xx
Std: 100 NTU
0
Initial
10s,q
2qw,
Lot #
0
90 - 110 NTU?
J YY N
Adjusted
G ico
Std Exp. Date:
rj 2�
Chart DO (x.xx mg/ DO (%}
Chart DO
Turbidity meter last calibrated 2
Within ± 0.5?
Y N
Within ± 0.5?,
Y N
Specific Conductance (µS/cm at 25'Q Calibration
Specific Conductance Post Check
Std. Value
1,000 200
X. X.X
***Dry Air***
X.X
1,000
X.
200
X,X
***Dry Air***
X.X
Temp
2 12.
'L1. 2
G 3 2
Initial
J Zi1� J
C)oc)
4
- J
Adjusted
1000 -)
After Calibration"
Cell Constant 180.0-220.0?
�;-��
5.01 �N�
< 3.0?
Y� N J
900 -11C0?
Y N J
180.0-220.0?
Y N,f
< 3.0?
Y N�
Acceptable Cell Constant range: 4.0 - 6.0
pH {s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.XX
10
X.xx
:for 2719 only)
X.XX
7
X.XX
7
X.Xx
10
XAX
Temp
141)
Z2,
2.
2.2
.-, S
tnitial
, 0' ,)
lo. of 1
0 1 J
10. J
4, J
Theo. pH
'31001
10 0 J
C , 07� J
y X 1 J
Adjusted—
J
fteCalibratio
r n
Slope (mV)
Slope (%of ideal)
Within ± 0.1?r
ON L/
Within ± 0.2?
Y,' N
Within ±0.2?
Y N i/
!
,
fj -LA
J
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (95 of ideal): 93 % to 102% ldeol pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensorvaiue, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:1SW%Division FileslWater QuaIitylMonitoringlReferenceslSOPsWiieterslarchivelCalib ration SOP1Cal ib ration Sheets & Maintenance LogSlCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: t'
Time: y% /10
Initials: '9 t" I
POST CHECK
Date: -7
Time: / .6
Initials: D^'I
Monitoring pH Data
Min:
Max: �%, 3
yy if pH is < 6.9, post check with pH 4.0
5p. Conductance Standard (15/cm at
25°C)
Std
Lot No.
Expiration
200
Z 0 qlg
,7, d:Z f
1000
O 6 / d ^
1 / 7_ b.2
Post Check- Some Std?� N
pH Standard (s-u.)
Std Lot No.
Expiration
7
19
/2 xazo
10
Q l
x
4
0 !
izd
Post Check- Some Std? 0 N 1
l
YSI Pro Plus Meter Calibration / Post CheckSheet
S/N: / h!/Hach Turbidity Meter S//JN (o/4 0 1 N
Field Crew: 94- R/'7 Study: ��7� �%l rif _12 7 CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): Z j,�
Temp (*Q: �.
DI Hz0 (<0.1)
�7 j
[/ lz J
< 0.4 NTU ? J
1:�52 N
Barometric Pressure (InHg): �� ��
BP (InHg): y 7�
DO (%)
xx.x
DO (mg/L)
x.xx Y
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
/cam /
Initial
j 7,
Lot #
QQ �
9D - 110 NTU?,
1 N
Adjusted
Std Exp, Date:
1 152 r
Chart DO (x.xx mg/ DO
Chart DO
c�
Turbidity meter lost calibrated / 2 Ziq
Within * 0.5?
(5 N ,J
Within ± 0.5?
&) N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
200
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.X
Temp
Z2 2
�.1•
z d• `7
2 i
2-7
Initial
9g i
2// f
6-71 .: t
v J
i �,Z u
Adjusted
loa
After Calibration "
Cell Constant
180.0-220.0?
�
N
< 3.0?
j
N �J
900 -1100?
Y N/
180.0-220.0?
N
< 3.0?
^"
�Y%' N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
x.xx
10
x.xx
x.xx
7
x.xx
7
x.xx
10
x.xx
Temp
;�_Z-6
21,C
Zj,u
�?,
2Zy8
2-3.2
Initial
7.
/9 , !� JI
7 3J
Q?
l.%• ' J
Theo. pH
I
42. 0,( d
- ` ( .
7Z, 0
0 : 4 3J
r/, D d-
Adjusted
/o , d
(ter Calibration'
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
�Y , N J1
W}thin ±0.2?
(9 N V
Wito. ±0.2?
N J
Within + 0.2?
N
f
f
Acceptable pH slope (mV/pH)V: 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% (deal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
K:1Division FileslWater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalib ration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2019June

CALIBRATION
Date:t�2p
Time:
initials CG J
POST CHECK
Date: VL
Time: J
Initials: C (i
Monitoring pH Data
Min: i
Max: ' ` J
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µ5/cm at
25°C)
Std
Lot No.
Expiration
200
C
2
1000
2001021 A
ti 2
Past Check- Some Std?0 N
pH Standard (s.u.)
Std Lot No. Expiration
7
M&oLi A
�Zzv
10
11 q a c
3 Zl
¢
Z Z
Post Check- Same Std A h N
J
J
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: `-1� Q (p Hach Turbidity Meter S/N (I( o c7
I E
Field Crew: '[ L >l C C. Study:j -T)_ CITY OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 21 , �
Temp (°C): Z3 , O
DI HZO (<0.1)
/
L
<0.4 NTU ?
N
Barometric Pressure (InHg):
BP (InHg): 2�
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%]
xx.x a
DO (mg/L)
x.x x
Std: 100 NTU
C)+� %
Wtial
03 r
, I \
� � , �
7 , 2 J
Lot #
OO LA j
90 - 110 NT
Y N
Adjusted
i
Cl iJ
Std Exp. Date:
Q`j 2,
Chart DO (x.xx mg/ DO (%)
61LI \/
Chart DO
} & G7 /
Turbidity meter last calibrated Q Z Zj /
Within ± 0.5?
Y N V
Within ± 0.5?
Y N V
Specific Conductance (µS/cm at 2S°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
x.x
***Dry Air***
X.x
1,000
X.
200
x.X
***Dry Air***
x.x
Temp
12, ©
-7-2. 1-Z0.
q22-�}!
Initial
we j
(j ,
.f
CIO 1 J
Z i
�+
Adjusted
10 0 J
After Calibration,
Cell Constant
180.0-220.0?
Y� N J
< 3.0?
N J
900 -1100T
N J
180.0 -220.0
Y N
< 3.0?
cy) N y�
1� 11
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
x.xx
10
x.xx
;for 2719 only)
x.xx
7
x.xx
7
x.xx
10
x.xx
Temp
2 ,
22. 1
Izz • 2.
n
b2 .
_Z2 -
N .
Initial
(p, Gj
IC) ()'L,f
-f, 05
-7- ,%
J
Theo. pH
(o-Q`.
,O
0,03J
Adjusted
10, 0�i j
fter Calibration'
Slope (mV)
Slope (% of ideal)
Within ± 0.1?1
Yi N
Within ±0.2?
Y N J
Wit ' ± 0. ?
Y N�/
l
N J
5(p. 3Z
Iq5.2
Acceptable pH slope (mV/pNJ: 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
K:\Division Files0ater Quality\Monitoring\References\SOPs\Meters\archive\Calibration SOPICalibration Sheets & Maintenance Logs\Calibration Sheets\YSI-ProPlus Meter Calibration Sheet-
2019June

CALIBRATION
Date: !/ 3 .202 D
Time: %�%'0' f
Initials: TA1 C41 j
POST CHECK
Date: j
Time:
Initials: (�(�
I Monitoring PH Data
Mim co
iVlax: __731
!f pH is < 5.3. post check with pN. 4.0
Sp. Conductance Standard (µS/c n at
25°C)
Std
Lot Nc.
Expiration
200
2_0c
Post Check- Same Std? l l N
pH Standard (s.u.)
Std Lot No. Expiration
—
7
10
Mqi G
2
61 D 69OL-11J
20
Post Check- Same Std? {Y} N
YSI Pro Plus McL--. Calibration / Post Check Sheet
S/N: _ r�..� c-1 Hach Turbidity Meter S//�N /� cw
Field Crew: ,:�'_ !fir-/ Study:�D, moo+¢ �� ICdTY O
PURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 6( ��zoTemp
(°C): 2, Z
DI HZO (<0.1)
17 J
< 0.4 NTU ? j
6! N ✓
Barometric Pressure (InHg): G I
BP (InHg): 2
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
n ,%
Initial
.L
I } J
cc
Lot #
�y>'
A 06 r7 S
90 - 110 NTU?JLA,1justed
l) N J
G cl , Q
} J
Std Exp. Date:
�/ ��,'
O (x.xx mg/ DO (%)
Chart DO
�j 2
1
G�
Turbidity meter last calibrated 7 .t! �a
Within±0.5?
Y N J
Within±0.5?
Y N J
Specific Conductance (I-6/cm at 25`C) Calibration
Specific Conductance Post Check
Std. Value
1,000
200
***Dry Air***
X.x
1,000
X.
200
v.)
***Dry Air***
%.%
Initial
000
2d 1
Adjusted
0 ()j J
After Calibration"
Cell Constant
_
180.0-220.0?
Y N ,%
< 3.0?
Y N
900 -1100?
Y iV
180.0 220.07
Y N
< 3.0?
,� I
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
I Std. Value
7
% %x
10
x_x%
K.xx
7
x.Kx
7
x.%%
10
x.xx
Temp
.G; s '11,2,
,,' ,
Z
� • 2
22.2
12 .2
I Initial
. Q J
3 i C J
— Oo J
t Il
(j
Theo. pH
f!lo
O J
J
L11.01 J
41 0 �
f
64,0 NJ
Adjusted
ter'
O J
fter Calibration
Slope (mV)
Slope (% of ideal)
± 0.1?
f
N V
WbYn
Within ± 0.2?
Y N J
Wit �n ± 0.2?
Y N J
CJS-[^I J
C�7�."� J
Acceptable pH slope (mV/pH): 55 - 60 mV /pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:\SW\Division Files\Water Quality\Monitoring), references\SOPs\Meters\archive\Calibration SOMalibration Sheets & Maintenance LogslCa lib ration SheetsWSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: /.ZZ o ,
Time: ?: l
Initials: b "— /
POST CHECK
� %
Date: �'�/
Time: ' 30 V
Initials: �1i-•r
9.... Monitoring pH Data
Pin:
MaIC
a � If p4 is = G.9, ricicC check with 1.11-' 4.0
`;p. Condactance Standara (o5/cm at
25*Cl
std I Lot No.
! Expiration
100C, i 4D'0 1/2 P z I
Nast i pieet -Some 5i'ti:'�Y/ NJ
PH Standard (s.u.,
Lot No. I i=xpirotion
.ZG!
7�
0 ,L//7 C � �z 0), E
r ost Cn.'.C1( Some 5iCj,'(' l Nr
J
YSI Pro Plus Nleter C. .)ration/ Post Check Shee
S/N; Z 1 Hach Turbidity Meter S/N 7L10 2
Field Crew: Study:%).'
Turbidity Pre -Trip Check*
Turbidity (NTU)
DI H2O (<0.1) 1 r c G. NTu ?�
OL I�OJ y N
Std: 100 NTU -7` f
90 110 NTU?
5td Exp. Date: ,zp Q N J
Turbidity meter last calibroted
Dissolved Oxygen (DO) Calibration
emperature CQ /
arometric Pressure (InHg): > G "7
DO (%)
DO (mg/L)
X.
#nitial
x.xx _
,PF7�
fidju.sted
hart DCl;x.xy mg/ DO (%}
Within ± 0.57?
A NV
15
CITY OF
DURHAM
DO Post Check
Temp ("C); d
BP (InHg):
DO (%) DO (mg/L)
xx.x MAX
Chart DO
Within ± 0,5?
'9N
Specific Conductance (p/cm at 2S°C) Calibration
Specific Conductance Post Check
Std. Value
I 1,00E
%.
200
X.X
***Dry Air***
x.X
1,000
X.
200
x.r-
***Dry Air""*
Temp
Initial
Adjusted
W 7
/�(•
/-
�J' v
�_
J
Z !%
After Calibration'
Cell Constant
180.0 220.0?
NN
<3.D?
93G-11GD? i i.r .0 ?2(3.p7
-
! c'.G?�
J
Acceptable Cell Constant range: 4.0 - 6.0
PH (s.ri.l Caiibr;wor, (perform 2-pt calibration for :snit 4366)
Std, v i':e 7 10 4 {for 2719 c
Y.zx X.xx x.xx
—7,
�VJ
Confirmation pH Post Chick
7 7 10
x.xx �r7,xx z.:a
-or J
Slope (mV) Slope (%of ideal) I Within ±p.1? Within ± O.Z? lltfithin ± p,2a tl
(After Ca;iloratioi+ /
N r N �/ N� 1 .1
firrep=able n+y slope (mVjpN); 55 - 60 mV / pi-1 slope ( % of ideal): 93 % to 102% !deal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / slope is recorded from the meter's GLP file
r ISW\Division FilesIMIat.r Qua!iiylMonitoring\References!SOPS%Meterslarchi=reiGa!ibraticn SOP1Calibration Sheets & Maintenance Cogs`,Ca!ibration S":ea!s1YSl-ProPlus Meter'Caiibration
Sheet-2019June

CALIBRATION
Date: / 2 9
Time:
Initials: 'DM
POST CHECK
Date:
Time:
Initials: a�-
I Mcnitcring pH Data I
Min:
Max:
if phl is < 6.9 past check with pH 4.0
Sp. Conductance Standard (t6/crn at
25°C)
Std
Lot No. Expir_ltion
200
S� C d ZvZ 1
Post Cneck- Some Std?U N' j
pH Standard (s.u.)
Std
Lot No.
Expiration
7
�91
9 z�z(
10
/' 0 _ C
zz
4
1oo3I (
),oz I
Post Check- Some Std?U N
YSI Pro Plus Meter C, jratlon / Post Check Sheet
S/N: (v Hach Turbidity Meter S/N � ✓��
Field Crew: 9 �% M Study: 4J,b: &a- _P Z CITY CT-
J r_- -- y DURHAM
Turbidity Pre -Trip Check*
Disso#ved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): z C9 , 1
Temp ('C):
DI HBO (<0.1)
!
J ©
c C
<0.4 NTU ? l
N .I
Barometric Pressure (InHg): a s�
6P (InHg)- 2 ��
D0 (`/)
xx.x
DO (mg/L)
X.xx
DO (%)
xx.x
❑O (mg/L )
x.xX
Std: 100 NTU
/a
Initial
Z. L
Lot #
A 0 0 `f
90 - 110 NTU?
N
Adjusted
/ f - G J
f
Sad Exp. Date:
1 15 ;7-02 (
Chart DO (x.xx mg/ DO (%)
-7)
Chart DO
�,rQ
r
p
Turbidity meter lost calibrated z % Z 0 ✓
Within ±0.5?
N
�
±0
Within . 5?
)
N V
Specific Conductance (µS/cm a: 25'C) Calibrat'orr
Specific Conductance Post Check
Std. Value
1,000
200
***Dry Air***
...x
1,000
x.
200
X.x
***DryAir**
x.X
Temp
Q
�,
Q yf
Initial 4
v 1
2
j
Q
Adjusted
(' a d b l
-
W ---
After Calibration"
Cell Constant
7.80-0-220,0'
y N j
< 3.0?
© N J
900 -1100?
y N
180.0-220.0?
(Y) N J
< 3.0?
Q N V
r U J
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration 'o: unit 4366)
Confirmation
pH Post Check
Optional"
Std. Value
7
10
x.xx
(for 2719 only)
X.XX
7
x.XX
7
x.xx
10
X.
4
XX
Temp
2 O /
d, J
Z t
O;
7,
Initial
�.®
rf�r/
�, J
7� Oj
a lZJ
�7
Theo. pH
-7• O
/
lC9 c7 (o J
__7
67 tii
U r
/x,
Adjusted
j
�2 , d -S,/
After Calibration
Slope (m'J)
Slope (% of ideal)
Witte, + 0.�?
(LJ yl ni j
I Within ± 0.2?
Y N
Within ± 4.2?
N
- "
� ,
Acceptable pH slope (mV/pN,): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% !deal pH slope = 59 mV
'Turbidity meters arr caiihrated quarterly, see Turbidity Calibration Book for details
"After Cai1bralion, DO senspr vahae, so. ccn3uctance veil constant and the pH slope / % s1cpe is recorded from the meier's GLP file
F:ISW1Divjsion Filesl'Water Qua litylMonitoringlReferancPslSORskMe, rsl. : h vc',Caj:: ?, o 80P1Ca#ibration Sheets & Maintenance Logs',Cahbranon Sheets'YS!-PraPlus Zvletar" Asa lbratior
Shev-201',Jurie

CALIBRATION
Date: l ! Z J
Time: %'`40
Initials: _ JP Al
POST CHECK
Date: �� r
Time: �_ J
Initials: L
Monitoring pH Data
Min: C
Max: _Z
+If pH is < 5.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot 1`:o.
Expiration
200
if
7-G2 I
1000
6 I OM
140 a, --
Post Check- Some Std?
pH Standard (s.u.)
Std
Lot No.xpiratinn
7
0
10
CU17,,,-
3-4.021
a
Oyu
/ e
Past Check- Same Std?
YSf Prey Plus Meter "L iratlpe / post Check Sheet
S/N: _ Hach i uibidity Meter S/N �6
Field Crew: f Stud .Q CITYOF
DURHAM
Turbidity Pre -Trip Check*
°.<
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Ten oli ature (°C): Z �r j
Temp {°C): 2 Q
DI H2O (<0.1)
1'
<O,q fdTU ? Barr�,neiricPressure
_„�
t�
!^itial
90
N j Churt DO {x.xx mg/
{ InHg} ? s
�•
BP {InMg): Z
�
DO (°/a}
DO (mg/L)
X.XX
DO (%)
X%.X
DO (mg/L)
X.Xx
Std: 00 NTU
0J
p
Lot #
4 dQ q
Std Exp. Date:
J
DO (%)
Chart DO
G. 7 J
Turbidity meter last calibrated / y�
Within ± 0.5?
N
Within ± 0.5?
C) N /
Specific Conductance (NS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. va;ue
1,000
200�
***Dry Air***
1,000
200
***Dry Air***
X.
x.x
X.X
X,
X.x
N.X
Temp
-2 j-
2�_
V
(�
_ %OvQ J
�
Z C 9 -.
Initial
_
1909 f
^c�d J
Adjusted
After Calibration#
Cell Constant
1- ���
180.0-220.0?
<;.0?
900 -1ifl0?
180.0-22C.0?
< 3.0?
j
N I
/Y) N
�
� Q iv
JF
:acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) CaNbration (perform 2-pt catioration for unit 4366)
Std. Value 10 4 (for 2719 only)
Confirmati,ji
7
pH Post Check
7 10Temp
; •`i0,,.:,,"'
1�1;
� �� 'a
7-7
�Z7Z, i/
zz
Initial
' L_7 1
J
I
P
�J
J
!
Theo. pH
7p�
f d ' D `� J
_ ` b t'
�/7Oil
/ •
Adjusted
fter Calibration
Slope {mV)�
Slope (% of ideal)
Within T 0.1?
N�
Within ± 0.2?
Within ± 0.2?
l
{ N�
N
_4
Acceptable pH slope (mV/pH): 55 - 60 mV / pH sloe? (% of ideal): 93 % to 102% Ideal pH slope = 59 mV
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Caiibradon, DO sensor value, sp. conduLtance cell constant and the pH slope / % siope is recorded From the meters GLP file
F'ISWIDivision FileslVVater Quality\Monitoring)ReferenceslSOPslMeterslarch;.%;eICalibration S OPICal ib ration Sheets & Maintenance UgpsvCnh ration Sheets\YSi-ProPlus Meter Calibration
C'heet 2019aune

CALIBRATION
Date: l / 8 t� 9
Time: 07 -- Ala
Initials: AL
POST CHICK
��Date: 1/
Time: 3cZ1 C7 Z
Initials:
Monitoring pH Data
Min: r �
Max: 71 7
If pH is r 5.9, post check with pH 4.0
YSI Pro Plus Meter Calihr4 -in / Post Check Sheet il0IAN'
S/N: 17 tq Hach Turbidity Meter S/N 50 o
Field Crew: 1161.. C.G study: 6: o + L?w i a e
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): ` A 4
Temp ('Q:
DI Hz0 {�0.1}
0,
0-4 NTU ?
Y N
Barometric Pressure (InHg): ? a, , +aS 6
BP (InHg): 21
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
10 Z
Initial
^ ?
Lot #I
A80 z of
90 - 110 NTU?
Y N
Adjusted
q S
5td Exp. Date:
41 'd
Chart DO (x.xx mg/ DO (%)
a . �;
Chart DO
�i
Turbidity meter last calibrated
Within ± 0.5?
Q N
Within ± 0.5?
Y, N
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
200
I t
2 20 E a
1000
i [71 l Ea
/ Zo 1si n
Post Check- Same 5td?j Y J N
PH standard (s.u.)
Std
Lot No,
Expiration
7
{-rLl6
S?�0t
10
17 V1.
S ❑
4
18v�_t6� _
Zrzaiq
Post Check- Some 5td�Y r!
r
LA
tB.$
+.L,00
Specific Conductance (pS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x,
200
x.x
**Dry Air**
x.x
1,000
x.
200
x.x
***Dry Air'**
x.X
Temp
l
1 7- 7
il3
Initial
b
?0-7-
O
IG'c::)
-
�
Adjusted
i 0 d ❑
After Calibration"
Cell Constant
180.0-220.0?
�Y) N
3.0?
Y N
900 -1100?
Y N
180.0-220.0?
Y N
¢ 3.0?
Y N
r
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation I
pH Post Check
Std. Value
7
xxx
10
x-xx
7
x.xx
7
x-xx
10
:-xx
Temp
1 .-7
lh_0
1 .7
iGi•
Ct-11-1
Li
Initial
7.07
to.a3
7.0,6
Theo. pH
7. D'L
In. CrA
7.0 Z
lt
It
14.
Adjusted
10, 0 7
Slope (mv)
slope (% ideal)
Within ±0.1?
Within t 0.2?
Within ±0.2?
Nithiri r U.; '
After Calibration"
Y� N
7 N
Y N
Y N
�
57
47
Acceptable pH slope (mV/pH). 55 - CD mV / pH slope { % of ideal): 93 % to 102% Ideal pH s ape = 59 MV
`Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
°After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:1SWQvision Fiies\Water QualitylMonitoringlReferenceslSOPs\MeterslCalibration SOPICalibration Sheets & Maintenance LogslCalibration Sheets\YSI-ProPlus Meter Calibration Sheet-
2018March-xlsx

CALIBRATION
Date:
Time: 7►3;S I
Initials:
POST CHECK
Date: U
Time: t3=op
Initials:
Monitoring pH Data
Min: (1,t
Max: 7, Z.
If pH is < 6.9, post check with pH 4.0
YSi Pro Plus Meter Calihr. an / Post Check Sheet U"III IArf
S/N: 2— 4-712 Hach Turbidity Meter 5/N
Field Crew: �i Study: %,� r'Ew.r �] 7,
Turbidity Pre -Trip Check"
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): . r
Temp CC): S,1
DI H p (¢p.1}
�• ��f
< 0-4 NTU ?
N
Barometric Pressure (InHg) Z
BP (1nHg): z�,'y$�
DO (Y.)
xx.x
❑O (mg/t)
x.xx
DO (%)
xx.a
DO (mg/L)
x.xx
Std: 100 NTU
0ep
initial
l 2 .
%�
1
Lot #
Z
90 - 110 NTU?
N
Adjusted
�, 7
Std Exp. Date-
Chart DO (x.xx mg/ DO (%)
7
Chart DO
10.aN
y
Turbidity meter last calif rated I
Within ± 0.5?
N
Within ± O.5?'
Y N
Sp. Conductance Standard (VS/cm at
25°C)
Std
Lot No-
Expiration
200
d a2
Z41
loon
19021M IiII015''I
Post Check- Same Std.�Y�>
PH Standard js.u.)
Std
Lot
L -ration
7
JNo.
17
to
i` 7
4
L SOLI�a E
2.If.ot1"
Post Check- Same Std?(9 N
Specific Conductance (WS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
xx
""'Dry Air"
x.x
1,000
x-
200
x.X
"•Dry Air"'
x-%
Temp
. !�
1
Initial
%D�J�
ZOa.
0 -
Rq(6
Adjusted
l d
&
M111711F®RWRI
After Calibrations
Cell Constant
180.0-220.0?
1 Y. N
< 3.0?
Y N
900 -1100?
Y N
180.0-220.0?
Y N
< 3.0?
a N
15. 49
Acceptable Cell Constant range: 4.0 - 6.0
PH (s-u.) Calibration
Confirmation
pH Post Check
Std. Value
7 1Q
X_XX x.xx
7
NA),
7
X.%X
10
%.XX
v
Temp
`7 ,
• Q
.l
initial
I CD . 0
�•
7• t ✓
10.1 L'P,0,.Z
Theo. pH
�•Z7�i,
—703
7.0
M- a
oa
Adjusted
After Calibration°Slope
(mV) Slope (%of ideal)
Within ± 0.1?
N
Within ± 0.2?
ON
Within ± 0.2?:�
� N
i
a
-7 i
Acceptable pH slope (mV/pH): 55 - 60 mV /pN slope ( % of ideal): 93 % to 102% ideal pH -slope= 59 mV
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
'After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:1SWUvision FileslWater QualitylMonitoring\ReferenceslSOPs\MeterslCalibration SOP1Calibration Sheets & Maintenance Logs\Callbration Sheets\YSI-ProPlus Meter Calibration Sheet-
2018March.xlsx

CALIBRATION 3t-
Date: �_ Ilx�ria
Time: • 3Q /J
Initials: C G
POST CHECK
Date: 112.21 l.5
Time: t3 9a 13:35
Initials:
Monitoring pH Data
Min: 2
Max:
If pH is < 6.9, post check with pH 4,0
(j� YSI Pro Plus
Meter Calibr.Lion / Post Check Sheet
'yG(1 �N: LC' Hach Turbidity Meter S/N (0,50o IN
Field Crew:_,, 1 8 L _ Study:-AlAy[I�_F � b �- CITY )=
oURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity tNTU)
Temperature (•C): I5 •
Temp ('Q: ` 16-1
DI HZO (¢0.1)
o • }"
0.4 NTU ?
N
Barometric Pressure (InHg): -LE-)
BP (InHg):
DO (%)
xx.x
DO (mg/L)
X.xx
DO (%)
xX.x
DO (rng/L)
x.xk
Std 100 NTU
101-
Initial
qQ _
cj. 0Z
g q i
r}-g �•64
Lot #1
AbO2.41
90 - 110 NTU?
Y N
Adjusted
fol. O
().0
Std Exp. Date:
as
Chart DO (x.xx mg/ DO (%)
• 0
Chart no
L/
meter last calibrated ► 1
Within
nrjTurbidity
Within ± 0.5?
(2) N
Sp. Conductance Standard (gS/cm at
25•C)
Std
Lot Na.
Expiration
200
! 0-• ! & 62
Post Check- Some Std? D N
PH Standard (s.u.)
Std
Lot No.
fxpiratio,
7
0+ U& n
5 fg
10
41 1r
5 i
4
V
Post Check- Same Std? C!) N
Specific Conductance (VS/cm at 25•C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
x.x
*"Dry Air***
x.x
1,000
x.
200
x.x
***Dry Air***
x.x
Temp
I(P-S
l
16.'•7
•-7
Initial
l op k
zob
0.1
Adjusted
I pp6 /
After Calibfation°
Cell Constant
180.0-220.0?
Y N
¢ 3.0?
Y N
900 -1100?
Q N
180.0-220.0?
a N
< 3.0?
N
i
.Q
Acceptable Cell Constant range: 4.0 - 6.0
pH (s_u.) Calibration
Confirmation
pH Post Check
Std. Value
7
X X
10
R.%k
7
%.%X
7
K.%x
10
XAX
Temp
lud
Ica -LA
. cS
Initial
• 91
7. 0. v'
10. I `7
Theo. pH
.03
10 • 1 l
. 0 2
7. D2
Adjusted
io • 10
After Calibration"
Slope (mV)
Slope (% of ideal)
Within ± 0,1?
N
Within ± 0.2?
© N
Within ± 0.2?
0 N
c p�
Acceptable pH slope (mV/pH): 55 - 60 mV /pH slope (% of ide0l): 93 % to IOZ% Ideol pH slope = 59 mV
"Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
`After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:ISWUNvision FileslWater QualitylMonitoringlReferenceslSOPslMeterslCalibration SOP1Calibration Sheets & Maintenance LogslCalibration SheetslYSl-ProPlus Meter Calibration Sheet-
2018March

CALIBRATION Ef
Date: /. ' `� - / 9
Time: 7 3
Initials:
POST CHECK
Date: - In
Time:
Initials- CG
YSI Pro Plus Meter Caliioi..ion / Post Check Sheet
�/S/N: '7 �� Hach Turbidity Meter S/N & Q
— I N
Field Crew: C A-+ Study: ,a-,, 4" ' � i C.i r v OF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTt)j
Temperature ("C):
Temp (`Q:
DI Hza (c0.1)
f.
® -
c 0.4 NTU ?
N
Barometric Pressure (InHg): r G�
BP (InH&
DO ('A)
DO (mg/L)
DO I[%)
XX.x
DO (mg/L)
XAX
Std: 100 NTU
�� p
Initial
- Z
.
6101-C1
q
Lot #
2- &9
90 - 110 NTU?
N
Adjusted
Std Exp. Date:
Chart DO (x.xx mg/ ❑Q (%)
Chart DOC1
• 1.
}
Turbidity meter last calibrated
Within ± 03-?
N
Within ± 0,5?
Y
I Monitoring pH Data I
Min:
Max:
If pH is c 6.9, post check with p114.0
5p. Conductance Standard (µ /cm at
25-C)
Std
tot No.
Exp• ation
200
z !
�-
loon
I /A 0 Z 1 6A
I V;2, ol 9]
Post Check- Some Std? (Y) N I
PH Standard (s.u.)
Std
Lot No.
Ex rc tion
7
Jr
y1a
10
W v(
4
Post Check- Some Std r Y } N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X-X
***Dry Air***
[: -
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
[ `1.
[ �:
7•
Initial
20 7-
d y !
O+ -1
0
Adjusted
b t
After Calibration°
Cell Constant
180.O-220.0?
N
.< 10?
N
900 -1100?
Y N
180.0-220.0?
Y N
< 3.0?
Y N
4<Z�'
Acceptable Cell Constant range: 4.0 - 6A
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
7
X-XX
i0
X.XX
7
X.XX
7
X.XX
10
X.XX
Temp
l 5
N
Initial
�7
/,�,p• 0 1
r% Z75 ;i
-- 0 Z :,
W -0 q I
Theo. pH
Q. �—
/B s
`7. ® �Z-
J - 42
Adjusted
p�
After Calibration"
Slope (mV)
Slope (%cif ideal)
Within ± DA?
N
Within ± 0.2?
n N
Within ± 0.2?
Y N
Acceptable pH slope (mV/pH): 55 - 60 mV I pH slope { 96 of ideal]: 93 % to 102% Ideal pH slope = 59 mV
F
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
°After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FASWUvision FileslWater QualitylMonitoringlReferenceslSOPslMeterslCalibration SOPICaiibration Sheets & Maintenance LogslCalibration Sheets1YSI-ProPlus Meter Calibration Sheet-
2018March

CALIBRATION
Date: A 1�I
Time:
Initials: L V
POST CHEC ❑
Date: - 2 f7 1 J
Time: /
Initials: 42/�
r Monitoring pH Data
Min_ C-_> " (:3
Max: 7, 1 7
, 2—
If pH is c 6,9, post check with pH 4.0
YSI Pro Plus Meter Ca IN ..ion / Post Check Sheet
/N: Hach Turbidity Meter 5/N50c>
Field Crew: G' Study:
ouRHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
D❑ Post Check
Turbidity (NTU)
Temperature ('Qj `j
Temp ("C1: ,
Di Hzd (¢0.1)
q�
0 ZE)
< �0.4 NTU ?
LJ N
Barometric Pressure (inHg):
BP (InHg):
DO {%1
xX.X
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
5td- 100 NTU
CJ,-,j : 4Initial
C1 Sj
-19, a
Lot #
90 - 110 NTU?
N
Adjusted n • 0
`y
5td Exp. Date:
C j c 'f
Chart DO (x.xx mg/ DO (%)
t►�Crl
[p
Chart ❑O
Turbidity meter last calibrated
-Within ± 0.5?
Y N
Within ± 0.5?
N
Sp. Conductance Standard (µS/cm at
25"C)
Std Lot No, Expiration
200 Z
1000 l
Post Check- Some Std? IN I "i
PH Standard (s.u.) Li-Q)
5td Lot No. Expiration Cry
7 711I7 S .c
10
4 I5�n2.1
Post Check- Some 5td?A N
Specific Conductance (pS/cm at 25`C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
'* "Dry Air*
x.x
1,000
x.
200
X.x
***Dry Air***
XA
Temp
, .
L.
/9 • Z
Initial
Adjusted
00
After Calibration"
Cell Constant
180,0-220.0?
Y N
< 3.0?
Y N
900 -1100?
N
180.0-220.0?
LD N
< 1W
N
�j
Rcceptoble Cell Constant range: 4.0 - 6.0
pH (s.u, f Calibration
Confirmation
pH Post Check
Std. Value
7
X'XX
10
X.XX
7
X'XX
7
X.XX
10
%.XX
Temp
18,0
Q
t
f
1
Initial
I
iG' • l�
. OZ'
�. G
�,7
Theo. pH
1.0 z
1c' •
/%,
Adjusted
After Calibration'
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
N
Within ± 0.2?
N
Within ± 0,2?
N
�-
e r1
Rcceptable pH slope jmVIPH): 55 - 60 mV / pH slope % of ideal]; 93 % to 102% Ideal pit slope = 53 mV
"Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
r'
F:lSWQvision FileslWater QualitylManitoringlReferenceslSOPslMeterslCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetsWSI-ProPlus Meter Calibration Sheet-
2018Ma rch

YSI Pro Plus Meter Calibration / Post Check Sheet
Hach Turbidity Meter 5/N ��
��SIN:
Field Crew: L,
Study: 3
CITYOF
e
t"
DURHAM
` -Z—
(%
(�
137- �7
CALIBRATIO
� l� `
Turbidity Pre -Trip Checks
Dissolved Oxygen (DO) Calibration
DO Post Check
SL 7%
Date:
1
Turbidity (NTUy
Temperature (°C): / 7. /
Temp ( °Cj:
Time:
Initials:
7-9
0,t4 L/
bl H,❑ t¢Q.1)
i i ] �.
(
c 0.4 NTU ?
N
Barometric Pressure (InHgj; �, r
BP (lnHgJ_
c7.c78v
S
❑O (%}
DO (mg/L}
DO {%}
DO (mg/L)
N
Std: 100 NTU
/ � I �
Initial
xx.x
11 L
x.xx
xx.x
POST CHECK
Date 7
'. q
Lot #
.��
L9^ J
90 - 110 NTU?
Adjusted
7 /
CI411
Std Exp. Date:
r'�
N
o
Chart DO (x.xx mgl DO {/}
Chart DO
Time:
lni#ials:
1 Z ;t{� .v
Cz�
Turbidity meter last cali,6rated �
Within ± 0.5?
Within ± 0.5?
S
S
[+
f N
Y
Monitoring PH Data
Min:
Max: V ,
If pH is r 6.9, past check with pH 4.0
Sp. Conductance Standard (15/cm at
25°C)
Std
Lot No.
Exp ration
1000
1 (6
2 LDI
S
-
Z
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
�
s
`
r
Std. Value
•
1,000
200
*'*Dry Air"y
1,000
200
*r•Dry Air***
11�
��p
V
X.
x.x
x.x
X.
Temp
�,
7.
,
I $.
x.x
($. I
x.x
Cl�
{�
f"'
C
Initial7NT
'1
,13
WEX&MEN"10 �Z"AWZZAIMAOIO H
After Calibration° ��}}, - 180A-2Z0.0? 3.0? y F
r J N N N i� N Y N
Acceptable Cell Constant range: 4.0 - 6.0
J
pH (s.u.) Calibration Confirmation pH Post Check � S
Past Check- Some Std?Q N 7 1p 7 2 1p
Std. Value S
x.xx x.xx x.xx x,xx x.xx air
Temp
PH Standard (s.u.)
Std
Lot No.
Expiration
7
4 zo(
l0
7 !" i��
_
4
1 So2tbt
1.!,Dlq
{
+
S
lnitiai
7k y
. 0' `y,
7. p6 ✓
D.iZ.
3. 5
S
Theo. pH
%. G
�;
-7, Q
7G7
..Dq
ID
Adjusted
(], �� sf
After Calibration"
Slope (mV)
Slope (%of ideal]
Within ± 0.1?
Within t 0.2?
Within ± 0_2?
f
N
�
1/ N
LY) N
Post Check- Some Std? Iq Acceptable pH slope (MV/pH): 55 - 60 mV / pH slope (% of ideal): 93 %to 102% Ideal PH slope = 59 my
`Turbidity meters are calibrated quarterly, see Turbidity Calibration book for details
°After Calibration, 00 sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
F:1SWUvision FileslWater QualitylMonitoringlReferenceslSOPslMeterslCalibration SOP\Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
201 SMarch

�, iEo lkub ► i
CALIBRATION
Date: � �`
Time: `7 3 V
Initials: b;� �l�////
POST CHECK
Date:
Time:
Initials:
YSI Pro Plus Meter Calibr.,ion / Post Check Stet
S/N: _ dI % �� Hach Turbidity Meter 5/N +��%
Field Crew: � N] Study:_ e e__X
I IURMAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Past Check
Turbidity (NTU)
Temperature ('C): I —%, 2—
Temp ('Q: 1
DI H,C) (<D.1)
-
tI 1 lN
< 0.4 NTU ?
Barometric Pressure (InHg): �
BP (InHg):
DO (%)i
xx.x
DO (mg/L)
x.xx
❑d (%)
mc.x
DO {mg/L)
xaa
Std: 100 NTU
%+
Initial
f
Lot #
��
90 - 110 NTU?
�] N
Adjusted
✓ ` -•
Std Exp. Date:
Chart DO (x.xx mg/ DO (%)
_
Chart DO
�y
Turbidity meter last calibrated / '�
Within ± 0.57
N
Within ± 0.5?
Y)N
I Monitoring pH Data I
Min: � L
Max:
if pH is r 6.9, post check with pH 4,0
Sp. Conductance Standard (0/cm at
25°C)
Std
Lot No,
Expiration
200C��
1000
D
Post Check- Some Std?� r
pH Standard (s.u.)
Std
Lot No.
Expiration
7
J 2p
to
(` 1It
Z01
4
Post Check- Some Stdky--ll
1f
Specific Conductance (uS/cm at 25°C] Calibration
5peciflc Conductance Post Check
Std. Value
1,000
Y-
200
x.x
*"'Dry Air***
%.x
1,000
X.
200
%.x
*t•DryAir*""
x.X
Temp
7 C%'
r 7.
I
^} . ILD
il. �-v
Initial
l400
,Z- ✓
bt 0�
Adjusted
/ J '
After Calibration'
Cell Constant
180.0-220.0?
Q N
¢ 10?
N
900 -1100?
Y' IN
180.0-220.0?
Y N
< 3.0?
N
v [% •�,�
Acceptable Cell Constant range- 4.0 - 6.0
1
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
7
x.xx
10
x.xx
2
x.xx
7
x.XX
10
x-Kx
Temp
l ,
►`
�a
Initial
a�7dr
f�
r
SSE ~ i
I
d�ii
Theo. pH
Adjusted
_
After Calibration°
Slope (mV)
Slope (% of ideal)
Within ±0-1?
Y N
Within ±0.2?
� ' N
Within ± 0.2?
N
1
Acceptable pH slope jmv/pNJ: 55 - 60 mV / pH slope [ %of iOeal): 93 % to 102% Ideal pH slope = 59 A
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:1SW1Division FileslWater QualitylMonitoringlReferenceslSOPslMeterslCalibration SOP1Callbratian Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2018March

CALIBRATION
Rate: S41Z uQ
Time: ❑ '. 3i
Initials: S 1�
P05T CHECK—c
Date: '
Time: 13 3C
Initials: rC.�
Monitoring pH Data
Min: cc 4 --,(:�
Max: T zi , (P
If pH is r 6.9, post check with pH 4.0
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: u Hach Turbidity Meter 5/N 1L1-5') ❑o
Field Crew: C_� Study: _Emyt 1 02.
IC
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check_ _
Turbidity (NTU)
Temperature (°CI:
Temp (`C):
DI H,C) (<0.1)
f1 , L�{
V
C 0- N NU ?
Barometric Pressure (InHg): �C� I
SP (InHg):
00 (%)
X%-%
DO (mg/L)
X.XX
❑Q (%)
x%.x
DO (mg/L)
R.X%
Std: 100 NTU
1 Q -L
Initial
Q)_k.
S
0
Lot #1
$ O )
90 - 110 NTU?
Y N
Adjusted
(1 . S
�. 3 5
Std Exp. Date:
I Nl 0.� ?0 ]
Chart DO (x.xx mgl Da (%)
. L.j3
Chart DO
2-44
Turbidity meter last calibrated (� ;{ u � �
C) N Within ± 0.5?
_
Within ± 0.5?Y N
Sp. Conductance Standard (45jcm at
2S°C)
Std
Lot No.
Expiration
200
1203
i-LIzoI01
1000
+zk-Lc3C
tit-Lo',o�
Post Check- Some Std? VN
pH Standard (s.u.)
Std
Lot No.
Expiration
7
► � t to
s I�LQ to
to
} "-� kl b
1Zol
4
Post Check- Some Std? 1P N
I
Specific Conductance (VS/cm at 25"C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
"**Dry Air"**
X.X
1,000
X,
200
X.X
"*'Dry Air***
X.X
Temp
. —�
k b. -j-
i-�• _�r
1
3
Initial
'1 G . CI ✓
[� .'�
y
Adjusted
i d (3 t
After Calibration°
Cell Constant
180.0 -220.0?
@ N
a 3.0?
Y N
900 -1100?
Y N
180.0-220.0?
Y, N
< 3.0?
Y N
Acceptable Cell Constant range: 4.0 - 6.0
AI1L
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
7
Y.Xx
10
..
7
A.xx
7
x.][x
10
%.%%
�:
Temp
-
rr . 4
1777
Initial
. 0 �D
` 0 -0
—i- 05
cn
[ . 0
Theo. pH
. 01
Q . Oi6
1 ,-
',
Adjusted
After Calibration°
Slope (mV)
Slope (% of ideal)
Within ± D.1?
�
CrJ N
Within ± 0.2?
1 N
Within ± 0.2?
Y N
Sic- 0-4 4
Q�• �?
Acceptable pH slope tmV/pH j. 55 - 60 mV / pH slope % of ideol): 93 % to 102% Ideal pH slope = 59 m v
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope j % slope is recorded from the meter's GLP file
F;? i
a 4r
r
F:1SW1Divisien FileslWater QuaiitylMonitoringlReferences�SOPslMeterslCalibration SOP1Calibration Sheets & Maintenance LogslCalibration Sheets\YSI-ProPlus Meter Calibration Sheet-
2018March

CALIBRATION
Date: ❑311 * iRj t c j
Time: Ql =31
Initials: R �1
POST CHECK
Date --
Time:
t
Initials:
Monitoring pH Data
Min:
Max:
If pH is r 6.9, post check with pH 4.0
YSI Pro Plus Meter Calibi...,on / Post Check Sheet
S/N: '� a L\& Hach Turbidity Meter 5/N �[]5 �Q
IN
Field Crew: —Study: 0TYOF
v r�m� , Qn i� D,RKAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Past Check
Turbidity (NTU)
Temperature (°C): ` - j -2_ 1 �_
Temp ('Q c%r '
DI HZO (¢0.1)
l
¢ 0.4 NTU ?
Y N
Barometric Pressure (InHgy:
BP (InHg):
DO (%]
xx,x
DO (mg/L)
x.xx
DO (%j
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
Z
Initial
C11 G
r
f +
=' r —7
Lot #
.Z
90 - 110 NTU?
Y N
Adjusted
Q .
g • C� f
Std Exp. Date:
i�+�C ��
Chart DO (x.xx mg/ DO (%)
, r
Chart DO
Tumidity meter last calibrated � �� ��
Within ± 0.5?
Y N
Within ± 0.5?
Y N
Sp. Conductance Standard (g$/cm at
- 25°C)
Std
Lot No.
Expiration
200
2 GIB
' 2 i (
1 000
l C)
t l .
Post Check- Some Std?LYJ N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
ill
1 Zpl .,
10
C
S -Lotq
a
% 03
Post Check- Some 5td? tl N '
Specific Conductance (p5/cm at 25`C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
K.x
***Dry Air`**
%,%
1,000
X.
200
x.X
***Dry Air***
x.%
Temp
Z Q -
n r.
`
1
Initial
Gt[
C - ck❑
3
1
� �7.
�.
Adjusted
4� C'
After Calibration'
Cell Constant
180.0-220.0?
Y, N
< 3.0?
Y� N
900 -1100?
N
180.0-220.0?
N
< 3.0?
N
5- G2
Acceptable Celt Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value 7
x.xx
10
x.xx
7
x.xx
2
x.xx
10
x.xx
Temp
7 C
7
/ r /
-27
Initial
Q i 3
1 . QZ
/
��a [� `� ✓
e'
Theo. pH 00 j
1 a
Adjusted
i o . CS =%
Slope (mV)
After Calibration* C
Mope (% of ideal)
Within ± 0.1?
! N
Wit n ±0,2?
Y N
Within ± 0.2?
N
t7, � q
l
1mV
Acceptable pH slope (MV/pH): 55 - 60T s lope ( l of ideal): 93 % to 102% !deal pN slope = 59 mY
/ pH
'Turbidity rneters are calibrated quarterly, see Turbidity Calibration Book for details
°After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:\S1N\Division Files\Water Quality\Monitoring\References\SOPslMeters\Calibration SOMCalibration Sheets & Maintenance Logs\Ca I ibration Sheets\YSI-ProPlus Meter Calibration Sheet-
201 BMarch

CALIBRATION
Date: 2
Time: A : 3
Initials: C
POST CHE�
Date:
Time: ! '• 0 D
Initials: C- &
Monitoring pH Data
Min:r'�
Max:
if pHis r &9, post check with pH 4.0
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: u 3 U& J Hach Turbidity Meter S/N_ 4 G4C;?c7
Field Crew- C� 1/ Study: A\\-Aoi-evi k l
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C) r
Temp (°C): 2 2 , )
DI H2O (¢0.1j
.7
c G-
<0.4 NTU ?
Y
Barometric Pressure (InHg) - ';`
BP (InHg): rZGi
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
1
k G
Initial
(�
Lot 41
Ab o 2-
90 - 10 NTU?
Y/ N
Adjusted
C�
HAM
5td Exp. Date:
S
Chart DO (x.xx m� DO (%)
Chart DO
MJ
Turbidity meter last calibrated � l
Within ±0.5?
Y N
Within ±0.5?
Y N
5p. Conductance Standard (µ5/cm at
25,C)
Std
Lot No.
Expiration
zoo
1 2L S
2
1000
p ?> G
-L111 N,
Post Check- Some Std?C) N
pH Standard (s.u.)
5td
f.ot No.
Expiration
7
1 i D
r licl
10
! 3-111
S
4
;Ur
kJ /
Post Check- Same Std? U N
Specific Conductance (VS/cm at 25"C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
*"Dry Air"**
x.x
1,000
X.
200
x-K
***Dry Air***
■ xx
Temp
z i
Z-
Z
Initial
i cc-, cs
lGC�=r0l?<
AdjustedLela
After Calibration"
Constant
180.0 -2210?
Y N
< 3.0?
Y N
900 -1100?
Y N
..
Y N
N
Acceptable Cell Constant range: 4.0 - fi.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
7
% kt
i0
X..X
7
X.XX
7
10
X.XX
Temp
rr�7
L
.X.XX
L
'L!
Initial
1z
7.01
os
Theo. pH
(]
Adjusted
l� , c)5
After Calibration'
Slope (mV)
_Slope (% of ideal)
W1 ± 0.1?
Y N
With' ±0.2?
Y N
Wit ±0.2?
Y N
cj r
Cc^
Acceptable pH slope {mV/pH): 55 - 60 mV /pH slope j % of i ofJ: 93 % to 10ideal ph slope = S4 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
°After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F.ISW1Division FileslWater Qua]ItylMonitoringlReferenceslSCIPsIMeterslCalibration SOP1Calibrabon Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2018March

CALIBRATION Date: Lkick 1 41R I
Time: d� ��—
Initials: S H 555fff
POSTCHECK,,
Date:
Time:
Initials: x7/FI
YSl Pro Plus Meter
/Calibration / Post Check Sheet
S/N:� La ✓ Hach Turbidity Meter S/N _ _ �Q o _
Field Crew: —% h fl� Study: t ❑ r--: , r
DueMarn
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
00 Post Check
Turbidity (NTU)
Temperature (°C): ^
Temp ('Q �1 , 3
DI Hen (e0.1)
D.4 NTU ?
j'y , N
Barometric Pressure (InHgy: • 7_c: ., '2_0)
BP (InH&
DO (%)
xx.X
DO (mg/L)
x,xx
DO K
rocr
❑❑ (mg/Q
xxx
Std: 100 NTU
✓
���
Initial
_
7,6)
Lot #
0 ❑
90 - 110 NTU?
Adjusted
1
p
Std Exp. Date:
Q \Cq VfN
DO (x.xx mg/ ❑O
t"
Chart D0
/Chart
Turbidity meter lost calibrated 3 2 �q t!
Within ± 0.5?
Y N
r/////////AN
Within ± 0.5?
I Monitoring pH Data I
Min: _ fp " n
Max: _ / ■
If pH is r 5.9, post check with pH 4.0
Sp. Conductance Standard (g5/cm at
25°C)
Std
Lot No,
Expiration
200
bk10-3
-Lilck
1000
1,;�lzo3C
izl +q
Post Check- Some Std. Y N
pH Standard (s.u.)
Std
Lot No-
Expiration
10
4
Post Check- Some Std? 0 N `
Specific Conductance (µ5/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
*"Dry Air**.
%.X
1,000
X.
200
%.%
*`Dry Air* *"
x.x
Temp
22❑�yZ(�p
3.
Initial
1 1
f
L �/ t] ✓
d.
ILI' 6, 1 r
b
Adjusted
C
After Calibration °
Cell Constant
180.0-220.0?
Y N
r 10?
Y N
900 -1100?
N
180.0-220.0?
Q N
< 10?
Y N
.]
Acceptable Cell Constant range: 4.0 - 6.0
PH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
7
10
WAX
7
X.XX
7
XAX
10
X.XX
4
r xY
Temp
Z •
�Z-
�1
2i
initial
,�
fG t
,�� f
r7.0
rQ.O
Jar
Theo. pH
• pQ
� . Q 3
_ cl 0
7 - e26 ?
I 0 e
! ❑
Adjusted
OS
After Calibration'
Slope (mv)
Slope (% of ideal)
Within ± 0.1?
L L� N
Within ± 0.2?
O N
Wit ± 0.2?
N
�
151- G�-'}
_
'1. -LS J,
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal PH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
°After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
,5(cl
F:1SWQvision FileslWater QualitylMonitoringlReferenceslSClPslMeterslCalibration SOP1C:alibration Sheets & Maintenance LogslC:alibration SheetslYS!-ProPlus Meter Calibration Sheet-
2018March

CALIBRATION p
Date: ly' ` �I
Time:
Initials:���///
POST CHEC��
Date:
Time: 1
Initials: cc
YSI Pro Plus Meter Calibration / Post Check Sheet
SIN: i3 it Hach Turbidity Meter S/N ��
I'm
Field Crew:_ 4�� Study:oua
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
Da Post Check
Turbidity (NTU)
Temperature ('C) � f ,
Temp {`C):7
DI HZO (<0.1)
J
t
< 0O.4?NTU ?
(y N
Barometric Pressure (]nHg): '7— ,
BP (InHg): '2-151
DO (%)
xx-x
❑O (nfg/L)
x-cx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
I 0
Initial
�' Fr 13
j'•, 0
G
Lot p
91a5
90 - 110 NTU?
LO N
Adjusted
, 4
.7
5td Exp. Date:
acF
Chart DO {x.xx mg/ DO (;6)
e 7
Chart DO
Turbidity meter last calibrated 6,11
Within ± 0.5?
N
Withiq± 0-5?
Y N
I Monitoring pH Data I
Min: a. n I
Max: 71T V
If pH is r 6.9, post check with pH 4-0
Sp. Conductance Standard (0/cm at
25"C)
Std
Lot No.
Expiration
200
l z © S
�fQr
1000
613 C
yk Z& qfl
Past Check -Same Std- D N '
pH Standard (s.u.)
Std
tat 1Va.
pirotion
Ex
7
!7
®1 9
10
17/l f 0
zp
4
UIA-
►v
Past Check- Same Std?( Y ) N
i
Specific Conductance (µS/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
x.x
" *Dry Air***
x,k
1,000
x.
200
' ` "`Dry Air***
x.x
Temp
z r
`L2.
�}x.x
G .�
Initial
I nm
d5p
l- 3
n
p.
Adjusted
col 7
After Calibration'
Cell Constant
180.0-220.0?
N
¢ 3.0?
N
900 -1100?
Y N
180.0-220.0?
Y N
a 3.0?
Y N
C 2
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
7
x -t.X
10
..
7
..r.
7
%.XX
10
iLK%
Temp
2—
f
py
Initial
Theo- pH
L12
67, 0
!
��
c}�
Adjusted
After Calibration°
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
N
Within ± 0.2?
N
Within ±0.2?
Y N
-7
/
Acceptable pH slope jmV/pHj: 55 - 60 nnV / pH slope (% of ideal): 93 % to 102% ideal pN slope = 59 m V
`Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
'After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
r(D
8---t .,
'7
F:lSW0ivision FiieslWater Qua IitylMonitoringlReferenceslSOPs\MeterslCaIibra tion S0P1CaIibra tion Sheets & Maintenance LogslCa I lb ratio n S h eetslYS I -Pro Plus Meter Calibration Sheet-
2018March

CALI BRATI7-71z-
-eel
Date: 2
Time:-7:."l7 VI
Initials: DM
POST CHECK
Date: la V Time: I � '�C7
Initials: c
E Monitoring pH Data
Min:• F
Max: jJ
�•lf pH is r 6.9, post check with pH 4.0
YSI Pro PlusMeterCal ibli adon / Post Check Sheet
XSIN: � I 1 J Hach Turbidity Meter SIN Cox d 9
r� Field Crew: CC pf? Study:/ 1—?i.,a,-f Y7�I crrrcr
DURHAm
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C):
Temp (*C): 2�
❑! H,0 [<0.1y
0.4 NTU ?
-(P N
Barometric Pressure (InHgj:
BP (InHg): Cf
CZ (9&j
❑O (mgfL)
DO (9G]
xx.x
DO (mg/L)
x.�a
Std: 100 NTU
rQ
Initial
,
,
Lot #
90 - 110 NTU?
N
Adjusted
Std Exp. Date:
j Z�
Chart DO [x.xx mg/
-j ,
Chart Da
, 2C�
Turbidity meter lost calibrated
Within ±0.5?
)N
Within ±0.5?
N ,
Sp. Conductance Standard {p5/cm at
25°C)
Std
Lot No.
Expiration
200
/ Z d 3 t5
/20�
1000
/ /,? .
d
Post Check- Some StdC) N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
7 • a]
7 ��1
10
17Wal�
� �?-
4
2OS
Post Check- Some 5td tj N
f
I
Specific Conductance (µ5/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value 1,000
x.
200
_ x.x
"*Dry Air"**
x x
1,000
x.
200
x,x
***Dry Air'*L*
CA
Temp Z �J
2_5, 7
Initial
Ci ✓
C�J-
��
Adjusted
nftro Calibration'
Cell Constant
180A-220.0?
N
< 3.0?
Q N
900 -1100?
Y N
18nY0-0?
< 3.0?
N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value 7
x-xx
10
x.xx -A.1
7
x.xx
7
10
..xx
1
x
Temp
�I
Z�.
Initial 12-7
(eq. 0
-7.120 V
0)
1 �
3
�77
Theo. pH / a �]
/� • p
-7-00
QU
- {.1
• a
Adjusted
I
Slope (mV)
After Calibration'
J�
Slope (% of ideal)
Within ± 0.1?
r
N
Witfaiq ± 0.2?
j
Y N
Wi ± 0.2?
Y N
-
�J
7
J >�
Acceptable pH slope (mV/pH]: 55 - 60 mV /pH slope ( % o idealj: 93 % to 102% ideal pH slope = 53 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
°After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:1SWUvisian FileslWater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SORGalihration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-201 SMarch

CALIBRATION
Date: 5
Time: C7
Initials: CC. �J
POST CHECK
Date: r
Time.
Initials:
1 Monitoring pH Data f
Min: t i/
Max:
if pH is r 6.9, post check with pH 4, 0
YSI Pro Plus Meter Cali hi..,Jon / Past Check Sheet
J/S/N: - � G� (9 Hach Turbidity Meter S/N
Field Crew: 5i G G Study: RMbI_� o l 0Z. CJrY0Fr
Turbidity Pre -Trip Check*
Dissotved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (`C): t
Temp ('C): 2, 5-
M HzO (<0.1)
0.4 NTU ?
Barometric Pressure (InHg): �'� (+ (��
BP (InHg): E
L 0
-
xx.x
D❑ m L
x.xx
Std: 100 NTU
C
Initial
Lot #
90 - 110 NTU?
CY N
Adjusted
Std Exp. Date:
Chart DO (x.xx mg/ DO (%)
Chart DO
f Within ± 0.5?
Turbidity meter lost calibrated
Y N
/7'
7/7
Within ±0.5?
Y N
Sp. Conductance Standard (pS/cm at
25'C)
Std
Lot No.
Expiration
2Da
17-0 3 B
t 2 I
loco
l b i 2-05c
) l cl
Post Check- Some Std? r) N
PH Standard (s.u.)
Std
Lot No.
Expiration
7
I fl
5
10
�J !
4
Post Check- Some Stall.—YA N
Specific Conductance (VS/cm at 25"C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
***Dry Air"**
-
1,000
X.
200
x.x
***DryAir***
x.x
Temp
zs, .
.7
6•-3
/
V. ,
� �'
rI
23
Initial
a61
IZ0
Adjusted
W
After Calibration"
Cell Constant
180.0-220.0?
Y, N
< 3.0?
Y N
900 -1100?
Y N
180.0-220.0?
Y N
3.D?
Y N
5,(
Acceptable Cell Constant range: 4.0 - 6.D
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
?
x.xx
10
x.xx
2
x.xx
2
x.xx
10
x.xx
Temp
2
3. 2.
�— 3.
Z• Q
2
Initial
(] '
cl
-1, ()
q. nn
to •02_
Theo. pH
TO
10.0
,00
.(7o
Q.07—
Adjusted
1 . 01
After Calibration "
Slope (mV)
lope (% of ideal)
Within ± 0.1?
N
Within ± 0.27
Y N
Wit m ± 0.2?
� Y N
Within ± U.2 7
!' N
CK3
RCceptable pH slope (mV/pN). 55 - 60 mV / pH slope (% of ideal): 93 % to 1(12% ideal pH slope = 59 MY]
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
#After Calibration, a0 sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meters GLP file
F:1SW1Division FileslWater Qua] itylMonitoringlReferenceslSCIPs\MeterslarchivelCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2018March

CALIBRATI❑
Date: Z
Time: �.35
Initials: 1911-1 y
POST CHECK
Date: �
Time: ,1 0
Initials: S 1A
Monitoring pH Data
Min: \0.
Max: —I -C-5
ff pH is c 6.9, post check with pH 4.0
YSI Pro Plus Meter Calibk don / Post Check She/et
S/N: Hach Turbidity Meter S/N tQ
61J
Field Crew: 7r� yf Study: 6n r 4,.,0-' �
Turbidity Pre -Trip Check`
Dissolved Oxygen (DO) Calibration
❑O Post Check
Turbidity (NTU)
Temperature (°C): '„ �'
Temp ('C):
❑I H2O (r0.1)
3
¢ 0.4 NTU ?
6 N
Barometric Pressure (InHg): 2 6d. G
SP (InHg):.1 2
DO (%)
1.f xxx
60 (mg/L)
�.4
DO (%)
xx.x
D❑ (mg/L)
x.xx
Std: 100 NTU#
% °
Initial /,p 9 • jr'
1
Lot
z
f
90 - 110 NTU?
69 N
Adjusted
Std Exp. Date:
j 2pyQ
Chart DO (x.xx mg/ DO (%)
?
Chart ❑O
�Q
Turbidity meter last calibrated �� ,�
Within ± 0.5?
N
Wi
Sp. Conductance Standard (µ5/cm at
2S°C)
Srd
No.
Expfrotion
200
/Lot
l .�l Z �i' �]
f
I Gil
1000
2 �
Post Check- Some St" Y, N `
PH Standard (s.u.)
Std
Lot No-
Expiration
7171116'Zfir
10
7t r
Za
4
ZC53
�C3�©
Post Check- Some Stdk Y� N
1
Specific Conductance (µ5/cm at 25`C) Calibration
Specific Conductance Post Check
Std. Value_ 1,000
x.
200
x,:
"Dry Air**'
x x
1,000
x.
200
xx
***Dry Air***
x x
Temp.,
Initial Ivn 'L
1 07, `f
p •
l 1
❑ -
Adjusted
11)00/1
After Calibration'
Cell Constant
180-0-220-0?
N
< 3.0?
N
900 -1100?
Y N
180.0-220.0?
N
< 10?
Y I N
_2
Acceptable Cell Constant range: 4.0 - 6.0
PH (s.u.) Calibration
Confirmation
pH Post Check
Optional
Std. Value
7
x.xx
10
M-xx
7
x.x,
7
x.xx
10
x-xx
1
Temp
-Z `7`
Initial —7, a
-7 �l
J .C�5
I
Theo. pH
C�
Adjusted
Slope (mV)
After Calibration"
Slope (% of ideal)
Wit + 0.1?
N
Within t 0.2?
� H
Within ± O.2?
N
Acceptable pH slope (mft fi): 55 - 60 mV / pN scope (% of ideal): 93 % to 102% (deaf pH slope = 59 m
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
Iv:��1n
vabe ,
FASW1Division FileslWater Qua lity\MonitoringlReferenceslSOPS\MeterslarchivelCaIibration SOP1Calibration Sheets & Maintenance Logs\Calibration Sheets\YSI-P oPlus Meter Calibration
Sheet-2018March �����,'2�[�f 4fYy�C

CALIBRATION
Date: 1A
Time:
Initials:_ 1
POST CHE �6//
Date:/�
Time: !f
Initials:
Monitoring pH Data
Min:
Max: �. J
If pH is < 6.9, post check with pH 4.0
YSi Pro Plus Meter „ Calibk-Jon/ Post Check Sheet
S/�1
N:a i 1 J 110 Hach Turbidity Meter S/N
Field Crew: Study: 'cYl k�iYl� DOTY OF
URHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
00 Post Check
Turbidity (NTU)
Temperature ff): ,1. , b
Temp (°C): �—
DI H2O (<0.1)
<TU ?�'
Y N
Barometric Pressure (InHg): `� C _,�j
BP (InHg):
DO (%}
xx.x
DO (mg/L)
x.xx
DO (%)
XX.X
DO (mg/L)
x.x
Std: 100 NTU
t
1 c�
Initial
7A
Lot #
Qa Cj 'i,
9(0--1y110 NTU? J
VP
Nq
Adjusted
Std Exp. Date:
�Cd'�D V
Chart DO (x.xx mg/ DO (%)
S
Chart DO
yy
Turbidity meter last calibrated �� i I J,
Within ± 0.5 j?
aY N 1/
Within ± 0.5?
2 N
Sp. Conductance Standard (µS/cm at
25-C)
Std
Lot No.
Expiration
200
( z 0'6B
+z s
1000
' Z 3 C.
°I
Post Check- Some St Y N
pH standard (s.u.)
Std
Lot No.
Expiration
7
cj2
b
10
2
I- o
4
Post Check- Some Std. N
J
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
X.x
1,000
X.
200
x,x
***Dry Air***
%.x
Temp
.I
Q
% 9 v
2- d
Initial
C3©�
Z.C.)
Adjusted
a C)
hke
After Calibration"
Cell Constant
180.0-220.0?
N '�
< 3.0?
Y '� N ''�
900 -1100!
Y N 1
180.0-220.0,?
N/
KV
< 3.0? f
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
7
X,xx
10
X.xx
7
X.XX
7
X.XX
10
X.XX
X..),
Temp
Z. .�J
2� 3 J
- J1
Initial
.G�,i
G J
�1,41n
f 0
Theo. pH
- -oo J
C! �� J
�' . -
d . 0 l
Adjusted
_ �J
*thm±?
After Calibration"
Slope (mV)
Slope (% of ideal)
Within ±0.1?
I. N
Within ±0.2?
FW
'5
C Z
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 mV
`�� iG)�9
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
FASMDivision Files\Water Qua lity\Monitoring\References\SOPslMeters\archive\Calibration SORCalibration Sheets & Maintenance Logs\Calibration Sheets\YSI-Pro Plus Meter Calibration /
Sheet-2018March

CALIBRATION J
Date: l✓ Z�
Time:
Initials: ti
POST CHECK aI
Date: (e
Time: ) 7- 10
Initials: cc
Monitoring pH Data
Min: Ca -
Max: '
If pH is < 6.9, post check with pH 4.0
YSI Pro Pleas Meter Calihlaiion / Post Check_ Sheet
S/N: Hach Turbidity Meter S/N / r
Field Crew: c- V �`�% Study: //h 6e-4yl Z— D CITY OF
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C):
Temp (*C):
DI HZO (c0.1)
3
c 0.A NTU ?
ify.^1 N
Barometric Pressure (InHg): 2 ] f -7✓
BP (InHg): 2-1 (AIL-1
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
/
V
Initial
Lot #
90 - 110 NTU?
Y N J
Adjusted
✓
v
Std Exp. Date:
2Ci 2 (
Chart DO (x.xx mg/ DO (%)
,Z
Chart DO
Turbidity meter last calibrated z Z �% /
/I
Within ± 0.5?
I t/
Within ±0.5?
Y N J
Sp. Conductance Standard (pS/cm at
25°C)
Std
at No.
Expiration
200
/
1000
Post Check- Some Std? (Y) N /
pH Standard (s.u.)
Std
Lot No.
Expiration
7
2
�:;11
10
O z �
zpZ
4
i/%fJZ
a
Post Check- Some Std? (Y)N `
t
IRA,
Specific Conductance (pS/cm at 25*C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
200
x.X
***Dry Air***
X.x
Temp
Initial
r -
� G
z d��
_.
d
r'X.
24. C1
"� Ci
--.
Adjusted
} ©o
After Calibration'
CelIJ Constant
180.0-220.0?
N
< 3.0?
(� N
900 -1100?
j' Y N.�
180.0-220.0?
-
N
c 3.0?
�3V
Acceptable Cel! Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
„• ;
rStd.V,l.,
7
x.xx
10
x.xx
7
7
x.xx
10
x.xx
Temp
z �f -
�i'
y�x.xx
2 ! - �,
Z1-1.
Initial
�✓ Li
,Q
.c)
Theo. pH
% Q Z
100
� 01
L4 •O l
Adjusted
I'll ell
After Calibration'
Slope(mV)
Slope (%of ideal)
Within ±0.1?j
Within±0.2?
Within ±0.2?
VVithlj,- ;
Acceptable pH slope (mV/pN): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideat pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book tar details
P
#After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file / Q)
F:1SW1Division FileslWater QuaIityWonitoringlReferenceslSOPslMeterslarchivelCaIibra tion SOP1Caiibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration /
Sheet-2018March

CALIBRATION
Date:
Time:
Initials: J
POST CHECK
Date: h0h el
Time: 12
Initials: C C.
Monitoring pH Data
Min: j
Max:
If pH is < 6.9, post check with pH 4.0
Sp- Conductance Standard (pS/cm at
25*C)
Std
tot No.
Expiration
200
�Cm-L06A
Fr2pkoi
1000
1
ZQ l
Post Check- Some Std4,QN }
PH Standard (s.u.)
Std
tot No.
Expiration
7
1 %0?- U D�l2�tiq
10
4
1 1,2,o3
&Tzuzo
Post Check- Same Std 1D N
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: 4 3�D 1O V Hach Turbidity Meter S/N S do UN
Field Crew:`]! �C Study:_�,M t , } c �31 ouTruin
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (*C): �.
Temp ('C):2 9,5v
DI HZO (<0.1)
G , 2Q
< 0.4 NTU ?
QD N
Barometric Pressure (InHg): [� . S �5
BP (InHg): 26f
DO (%)
DO (mg/L)
DO (%}
DO (mg/L)
Std: 100 NTU
1
Initial
)
[j, �5Lid
Lot#
f'kq©35
90-110NTU?
® N
Adjusted
S
Std Exp. Date:
I tAM I070f
Chart DO (x.xx mg/ DO (%)
�, Z rj
Chart DO
Q J
Turbidity meter last calibrated � �b� ��
Within±0 5?
Y N �
Within ±0.57
Y N
Specific Conductance (pS/cm at 25"C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.%
***OryAir***
%.A
1,000
X.
200
X.x
***Dry Air***
X.%
Temp
rti . -
f
Z .
,q
Z-G
Z5 Lil
Initial
oU
4
(j.IlFi
6'57
Adjusted
After Calibration"
Cell Constant
190.0-220.0?
Y N
< 3,0?
NJ
900 -1100?
j
Y N V
190.0-220.0?
N
0?
N
�j d�� -,�
Acceptable Cell Constant range: 4.0 - 6.0
PH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
x.XX
10
X.XX
C (for Z719 only)
-- X.%%
7
X.XX
7
X.XX
10
K.XX
Temp
..�
'I i
10
Z
--7-
Initial
-1.0
-b
�
113,(��
3
Theo. pH
C'
I p- Q
(J a
CEO
t7
Adjusted
� . C) I
d22d
After Calibration
slope (mV)
Slope (% of ideal)
C1 1. S�3
Within ± 0.1?
N J
Within ± 0.2?
r
Y N �/
With' n ± 0.2?
N
W Ithin ± 0.-)?
N
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% !deal pH slope = 59 in
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / Y. slope is recorded from the meter's GLP file
FASW1Division FileslWater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SOP1Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION 5
Date: ��olz�0i Iqf
Time: d
Initials: S y J
POST CHECK
Date: 2 lD i i g
Time:
Initials: }3 J
Monitoring pH Data
Min:'
Max: • 3�
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (KS/cm at
25°C)
Std
Lot No.
Expiration
200
( OS B
I�`zl2alol
1000
d C-
l Z Cjl of
Post Check- Some Std l�1 N
PH Standard (s.u.)
Std
Lot No,
Expiration
7
l 02114
�) JLQ
10
Ck or
'aiz.OZo
Post Check- Some Std kjr N
J
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: j �(o (o Hach Turbidity MeterS/N _�11)11'�)00 t%
Field Crew:�l �� Study: C l < (vll Scc�le� ouRHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): ZL
Temp (*C):
DI H�0 (<0.1)
` C�
V `
< 0 4 NTU
N
Barometric Pressure (InHg): Q
BP (InHg):
DO (%}
xx.X
DO (mg/L)
X XX
DO (%j
xxam
x
DO (mg/I_)
00 NTU
w�y
V
Initial
C7j cs
90 - 110 NTU?
Adjusted
1.{�
Chart DO (x.xx mg/ DO (%)
Jl)N
Turbidity meter last calibrated W2-5)1(i J
Within±0.5?N V
Specific Conductance (PS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.x
***Dry Air***
x.X
1,000
X.
200
K.X
***Dry Air***
XA
Temp
14
LA.
Initial
Adjusted
T
After Calibration"
Cell Constant
180.0-220.0?
C' N
< 3.0?
Y N
900 -1100?
Y N
180.0-220.0?
Y N
< 3.0?
N
(�
Acceptable Cell Constant range. 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
;
Std. Value
7
X.XX
10
%.XX
A (for 2719 only`
X.XX
7
X.XX
7
X.XX
10
X.-
Temp
r-
.-I-
zL- 6
2L_
Initial
1-02
to .00 J
Theo. pH
0
p 1 V
d
ty
Adjusted
L0 - O a
fter Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1? ;
r
Y N t/
Within ± 0.�
Y N
Within ± 0.2
Y N J
Wi in 0.2?
Y
rj '� Zt i
Oi RIP
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal). 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
#After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / Y. slope is recorded from the meter's GLP file
FASMIDivision FileslWater Qua IltylMonitoringlReferenceslS0PslMeterslarchivelCalibration S0P1Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter CalibratiPn
Sheet-2019June

CALIBRATION
Date:
Time: ` r Q� U
Initials: j /4,1
POST CHECK
—
Date: G }
Time: I,"s �1
Initials:
f Monitoring pH Data
Min, t
Max:
++If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (tLS/cm at
25°C)
Std Lot No.
Expiration
200
1000
/9/Z c
2 z 010
Post Check- Same Std :0 N ?
PH Standard (s.u.)
Std Lot No.
Ex iratiion
7
>/
_c1_ ,0l
10
�0 2
�,22
4
Zv
Ze72
Post Check- Some Std? 0 AQ
J
YS! Pro Plus Meter Calibration / Post Check Sheet
s/N: Z.'T lY Hach Turbidity MeterS/N ry ��`�IN
Field Crew: 2/"1 Study: m '' J o 11,H .rn
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C):
Temp (°C):
DI H2O (<0.1)
Q f >
f
< 0.4 NTU ?-
eV N J
Barometric Pressure (1nHg):
gp ()nHg): 2 O 3
DO (%)
Xx.X
DO (mg/L)
X.XX
DO ('Ya}
xxx
DO (mg/L)
X.XX
Sid: 100 NTU
Initial
y
00,93
Lot #
90 - 110 NTUI�
N 'f
Adjusted
9 . 2-7
ME
Std Exp. Date:
p
Chart DO (x.xx mg/ DO (%a)
, 2
Chart DO
Z
Turbidity meter lost calibrated Z !
Within ± 0.5?
Within ± 0.5
Specific Conductance (u5/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X
200
***Dry Air—
X.X
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
Ltr
�/X.X
2 f ,6
Initial
-7 -
Adjusted
[� !
After Calibration"
Cell Constant
180.0-220.0?
f
) N ,.
< 3.0?
N
900 -110N
�i
YN
180.0-220.0,?
f
Y N J
c 3.0?
Y N
i
�j .
�
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.XX
10
x,XX
2719 only)
X,XX
7
7LXX
7
K.XX
10
X.XX
Temp
Z
2%
��
��.
�`7 `
. Z
Initial
2 - 06
2 �
'/, d 2
7,
0137
ID .L).Li
Theo. pH
% / CJ
. D If
f
%- Oj>
UCH
o k
Adjusted
,�
s
fterCalibratian
Slope {mV)
Slope (%of ideal)
Within ±0.1?
N
Within ±0.27
Y N
Within ±0.2
Y N
Within ± 0.??
� N
r
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideol): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
XAfter Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:1SW1Division FileslWater Qua lity)MonitoringlReferenceslSOPslMeterslarchivelCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: ��
Time: ' d J Initials: 0/1111
POST CHECK
Date:
Time: �]
Initials: G
Monitoring pH Data
Min: T_
Max: 77
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (15/cm at
25°C)
Std
No.
Fxpirotion
200
/Lot
/�j�! �r
r Z ,Z01
1000
Q) 6
/J ;Z a v
Post Check- Some Std. Y N '
pH Standard (s.u.)
Std
Lot No.
Expiration
7
! D
.Zpl
10
©'
z ©ZO
4
Post Check- Some Std U N
J
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: �/bk{ Hach Turbidity Meter S/AN �� 0 0 a
Field Crew: �( x�jggl 14Pytstudy:/�l��. C�Iy("
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ("C):
Temp (°C):
(9, % 9
<0.4 NTU ? J
N �J
Barometric Pressure
(InHg): Z 9,27 Z
BP (InHg):
L '
DO (%)
XX.X
DO (mg/L)
X.XX
DO (%)
xx.x
DO (mg/L)
X.XX
Std: 100 NTU
Lot #
�7
/ U. 0 J
90 110 NTU?J
N tJ
Initial
Adjusted
/X r%j
, Z y
5td Exp. Date:
I QZD
Chart DO [x.xx mg/
DO (°/,j 6
[g
Chart DO
// (
Turbidity meter lost colibrated �+/ 2
l
Within ± 0.5?
N
Within ± 0.5?
N
Specific Conductance (µ5/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X. X
***Dry Ai(***
X. X
1,000
X.
200
***DryAir***
x.x
Temp
77,
"27
r fXA
Initial
lad e)
L
I(X)2-
2_0
O , G
Adjusted
t Z7v 0 .
After Calibration"
Cell Constant
180.0-220.0?
(1') N. I
< 3.0?
N"
900 -1100?
N J
180.0-220.0?
Y N J
< 3.0?
N
�
', 0,
Acceptable Cell Constant range. 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pEl Post Check
Std. Value
7
X.XX
10
X,XX
4 (for 2719 only)
X.XX
7
X.XX
7
X.XX
10
X.r,
Temp
7
r ), .Z
_�16.0
46.01
Initial
y O
- ,J
. U U
0 (J
0 •0
i
Theo. pH
7•, 0U
/ri- 0 /
�-2
/ • 00
107 06
Adjusted
49 , C)
Calibration'
Slope (mV)
Slope (% of ideal)
In ± 0.1?
N J
%'�,
Within ± 0.2?
N
Within ± 0.27
N 7
Within ± .2?
Y N
,
`�
V ,- j
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% ldeol pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:ISWIDivision Files\Water Qua I1tylMonitoringlReferenceslS0PslMeterslarchivelCaIibration SOP1Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date:
Time:Q
Initials:
POST CHECK A
Date: �
Time:
Initials: C L
Monitoring pH Data
Min: G ,
Max: D
If pH is < 5.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25,C)
Std
Lot No.
Expiration
200
lODO
s h O.b 4
z ��
Post Check- Some Std? U Ni
pH Standard (s.u.)
Std Lot No.
Expi ation
7
:Z
z©1
10
O!z;
4
oLo
Post Check- Same Std? Y I N /
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: mil / Hach Turbidity Meter S/N
Field Crew: CC- -0,tj S t u d y A 4r-i� ✓Gr L �3 u
DURHAM
Turbidity Pre -Trip Check`
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C):
Temp (°C):
DI Hz0 (<0.1)
�` Z
< 0.4 NTU ?"
N
Barometric Pressure (InHg): z ��
BP (1nHg): 0
DO (V.)
DO (mg/L)
X.Xx -^
DO (%)
Xx.X
DO (mS/L)
XAX
Std: 100 NTU
�j
/ % 1!9
initial
CW
Lot #
Yr
`� "aJ l J
90 - 110 NTIJ r3
N J
Adjusted
Std Exp. Date:
��,. yp2-6
Chart DO {x.xx mg/ DO (%)
Chart DO
/ !
Turbidity m eter last calibrated �� % / �
Within ±0.5?
N J
hin±0.5?
WitY NJ
Specific Conductance (µS/cm at 25"C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x, I
200
x.x
***Dry Air***
x.x
.s
1,000
x,
200
x.x
***Dry Air***
x.x
Temp
2-
�.
Initial
f6207--
Adjusted
CrJ r�
After Calibration"
Cell Constant
1 180.0-220.0?
Y N
< 3.0?
N
900 -1100?
Y �
180.0-220,91)
Y N�
< 3.0?
Y N-
r I
_1
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.XX
10
X.XX
4 (for_2719 only)
7
X.Yx
7
+.x,
10
X X.
Temp
2Z ,
2 s
�F`]
�/-
7-�y6,-
�d
Theo. pH
U
/ 0 , 0 0
l!j.
60 - GR I
l0 - 00
V
Adjusted
_�
r
fter Calibration
Slope (mV)
Slope (% of ideal)
With' ± 0.1?
1
X N V
Wi in t 0.2?
Y N f
Within ± 0.27
]
Y N J
Wi in ± 0.2
Y N
i t
1
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 1.02% !deal ph! slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:\SW\Division Files\Water Quality\Monitoring\References\SOPs\Meters\archive\Calibration SOP\Calibration Sheets & Maintenance Logs\Calibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION p
Date: l/
Time:
Initials:
POST CHECK r..
Date: _ 1 Time: Co J
Initials: cc,
Monitoring pH Data
Min: Lo, C'I
Max: -4• S
YrIf phi is < 6.9, post check with pH 4.0
Sp. Conductance Standard (VS/cm at
25°C)
Std
Lot No
Expiration
200
., !/
I 2D rte ✓ fj
rp2 1D/
1000
/2 0,5 C
Post Check- Same Std? 0 N
pH Standard (s.u.)
Sid
Lot No.
Expiration
7
OZ
.2L9
10
4
-
Post Check- Some Std?(!) N
Y51 Pro Plus Me er Ca,ibratian /Post Check
/Sheet
S/N:%� Hach Turbidity Meter S/N
Field Crew: CG D Study: !4 w -'�r�L 7J % CnYor
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): ;1 Y ,
Temp (°C):
DI HZO (<0.1)
a]
<0.4 NTU ?�
N
Barometric Pressure (InHg): 7 `; /� f
BP (InHg): 9 V
DC) (%oj,•
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
�- E!J
Initial
3M
A
90 - 110 NT ?
r� N
AdjustedL
a
Chart DO (x.xx mg/ Do (°1°)
tWithin+
Turbidity meter last calibrated � 2 �J/
Within ± 0.5
�jN
Specific Conductance (0/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
x•
200
x.x
***Dry Air***
x.x
Tempr�
_
Initial
%r✓da
2 e-9 ?. 7
0,•
1000
Q
Adjusted
` G' J d
After Calibratinn'
Cell Constant
180.0 -220.0?
` N f
< 3.0? I
0,N +
900 -1100?
Y N J
180.0-220.07
Y N v
< 3.0?
Y N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
x.xx
10
x.xx
4 (for 2719 onlvl7
x.xK
7
.., x.xx
7
x.xx
10
x.xx
a <.
Temp
E-
�:
—(�
2 (�
Initial
7��
V
0
�- O
V'
3. .
Theo. pH
r d
lD
�• OQ
JCQ
10-01
q. Ok
Adjusted
1
fter Calibration
Slope (mV)
Slope (% of ideal)
Wit n ± 0.1?
N}�
Within ± 0.2?
Y N '�
Within ± 0.2?
7
Y N �l
Within ± 0.2?
Y NJ
.7 ..
_
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope { % of ideal): 93 % to 102% Ideal p slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
J
F:\SW\Division Files\Water Quality\Monitoring\ReferenceslSOPs\Meters\archivelCalibration SOP\Calibration Sheets & Maintenance Logs\Calibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: CJ f 3 0 1
Time: f,
Initials: 5V , 17M
POST CHECK
Date:
Time: /
Initials:
( Monitoring pH Data
Min:
Max:
lf pH is <6.9, post check with pH 4.0
5p. Conductance Standard (µS/cm at
25°C)
Std Lot No.
Expir tion
200
loon
24j C
%
Post Check -Some Std? (9 N
pH Standard (s.u.)
Std
No. Expiration
/Lot
10
Z
��ZQ
4
5 Z) 0^
I z®
Post Check- Some Std? IS
N
YSl Pro Plus Meter C;aiIbratton / Post Check Sheet
S/N: / Hach Turbidity Meter S/N
Field Crew: �yL r 1/ —Study./4 `� �"� ar
UURI2HAM
Turbidity Pre -Trip C=0,4
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)re
(°C): �i
Temp (°C): ,
DI H2O {<p.l)
Std:100NTU
,
�sal
Pressure {InHg): ;? j
BP (InHg): J.•DO
{°/a} DO (mg/L)
XX.X 'xX.,,......
DO (%)
XX.x
DO (mg/L)
X.XX
j j'> "� s"
110 NTU?
6V N
Adjusted
�' z
5td Exp. Date:
�j Z J
Chart DO (x.xx mg/ DO (%) a
Chart DO
-7, 7
/ N05?
Turbidity meter last calibrated Within � � !
Within f0. 5�
jll
Specific Conductance (µS/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
%.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
X.x
Temp
� J :.7Z
- S , `-72—
• L
�C/
2 �/)
Initial
`00 L_
�'
2" Q C, 1
/;��
10c, f
Q -7'
Adjusted
%p U 6(
After Calibration"
Cell Constant
180.0-220.0?
119 N
< 3.0?
Y N
900 -11007
N y
180.0-220.0?
N
< 3.0?
N
-5 �I
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.%x
10
X.XX
4 (for 2719 Only)
X.XX
7
X.XX
7
X.XX
10
X.XX
Temp
J. �
Ll.
�r
- , �
l
Z 6 ^ (
G�,. —
G�� j
Initial
�2
! , a L`2
' 0c
�7
Theo. pH
. d
r 0
` /: O
Adjusted
After Calibration
Slope (mV)
Slope (%of ideal)
Within ±0.1?
N
Within ± 0.2?
p
N
Within ± 0.2?
N
Within ± 0.�?
l
Q N V
r
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope/ % slope is recorded from the meter's GLP file
F:\SW\Division FileslWater Qua lity\Monitoring\References\SO Ps\MeterslarchivelCalibration SOP\Calibration Sheets & Maintenance Logs\Calibration SheetsWSI-Pro Plus Meter Calibration
Sheet-2019June

CALIBRATION
Date: 811.7/ lq
Time: D7 _ So
Initials: _ 13 L
POSTCHECK
Date:
Time: - �S
Initials: C_tJ
Monitoring pH Data
Min:
Max: ,
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (VS/cm at
25°C)
Std
Lot No,
Expiration
200
st2o3f3
1000
!7_liot9
Post Check- Some Std? rY ) N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
IR011.160
10
) a D I S.1 6
S/ 02�
4
) avio-;A
61�ox
YSI Pro Plus Meter Canbration / Post Check Sheet
S/N: Z'7 1q Hach Turbidity Meter S/N A5-Do I a
Field Crew: R,1_, D16t,CL Study: 17 CITY OFDURRAM
t7URHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ff): 2y , S
Temp (°C): 'Zq
DI HZO (<0.1}
D 13
< 0.4 NTU ?
lJ N
Barometric Pressure (InHg): Zq. gSS
BP (InHg): ��
DO (%)
XX.X
DO (mg/L)
X.Xx
DO (%)
Xx.x
DO (mg/L)
X.KX
Std: 100 NTU
Qa_ b
Initial
q 8 _ �.
-Zt
q
gp35
90 - 110 NTU?
N
Adjusted
cl ct
8
LL2
Chart DO (x.xx mg/ DO (%)
g- 2S
Chart DO
Turbidity meter Last calibrated 6I15! lg '.'
Within ± O.S?
±
Within 0.5
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
K.X
Temp
2L4,63.2
Initial
too
06 _ q
�]
C110i
206 0
Adjusted
loco
After Calibration'
Cell Constant
180.0-220.0?
N
< 3.0?
N
900 -1100?
Y N V/
190.0-220.0?
Y N
< 3.0?,
nY N
- o
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.XX
10
X.XX
. 1..for 271.9 only)
X.XX
7
X.XX
7
X.XX
10
X.XX
-
Temp
N. L
21A.6
4,
is; Ll
Initial
7, oA
q q
,qq
1Q1
1. Q
Theo. pH
'7. ca
0,ot
L .O 1
7,o0 !
,0
`l
Adjusted
10.0 t
f
After Calibration
Slope (mV)
Slope (%of ideal)
Within ± 0.1?r
® N
Within ± 0.2? 1
Y N J
Within ± 0..2
Y N
'Niter Jl ± 0.2?
jiN
57
96
Acceptable pH slope (mV/pNJ: 55 - 60 mV / pH slope (% of ideal): 93 9'0 #0 1021'0 ldeol pH slope - 53 mV
Post Check- Same Std? Y N
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:ISWIDivision FilesllNater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslY&-ProPlus Meter Calibration
Sheet-201 Wune

CALIBRATION 2 GJ
Date: / / ! l
Time: J
Initials: -
POST CHECK Date: �113119 J
Time: Z "/0 J
Initials: 2,L11
Monitoring pH Data
Min: ^�
Max: �r o
If pH is < 69, post check with pN 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
200
1ac I is
1iI.,-,
1000
ItD3L
t1/ Lao,
Post Check- Some Std? 0 N
pH Standard (s.u.)
Std Lot No.
Expiration
7
10
(iD►7.1
fSl10
4
i4s12D3/�
'l7 J 2r.,2v
Post Check- Some Std?fY) N
YSI Pro Plus Meter Ca,ibration / Post Check Sheet
S/N: // (� Hach Turbidity Meter S/NN CJ In
Field Crew: ��L_, 1�m [ G Study: /#,,n6,Q,� D-.y 2 DCITY OF
VRHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): Z5-. tL
Temp (°C):
DI HBO (<0.1}
/< 0.4 NTU ?
N
Barometric Pressure {Inldg}: ,1 7
gp (InHg): ? %
DO (%)
XX.X
DO (mg/L)
XAX
DO (%)
XX.x
DO (mg/L)
X.XX
Sid: 100 NTU
�] n
• Q
Initial
7. �5
,
0
1
Lot #
/Jt�l
G qP7
90 - 110 NTU?
J Nc�
Adjusted
Ci 5�
, t 3
Sid Exp. Date:
Ozb
Chart DO (x.xx mg/ DO (%)
55
Chart DO
p
Turbidity meter lost calibrated 7 �/
/
Within ± 057
Y N j
With' ± 0.5
( N
Specific Conductance (µS/cm at 25*C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
X.X
1,000
X.
200
X.x
***Dry Air***
X.x
Temp
24 !f
`t.7
5,
2-
Initial
I OL)o
2�;5. 1
rZ;, n 7-
4'7,
F
Adjusted
I( QQ -
Aker Calibration"
Cell Constant
180.0-220.0`?
J
N
< 3.0?
N
900-1100?,
Y N
180.0-220.0?
N J
< 3.0?
NJ
L
Acceptable Cell Constant range: 4.0 - 6.0
PH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Optional•
Std. Value
7
X.XX
10
X.Xx
4 (for 2719 only)
X.XX
7
X.XX
7
X.XX
10
X.XX
4
...
Temp
2-1 - 4
2 . fs
22 , `)
2 `%, 7
. z: r P
Initial
7, Ott
4 . q,-1
� } j
—7 . Z
7, D `l
/ o . O c.
Theo. pH
7. DO
10. 0 t
7. t)v
%, o o
/rD ,� 49
Adjusted
(p C; `
A.fter Calibration
Slope (mv)
Slope (% of ideal)
Within ± 0.1?
j
N J
WT ± 0.2?,
N '�
Within ± 0.2?
1 N
within ± 0.27
Y N
Ql y
Acceptable pN slope (mV/pN): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Idea! pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Rook for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP fife
(AS G S V)0
7N b k
V
F:ISWIDivision FileslWater QualitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SOPICatibration Sheets & Maintenance LogslCalibration Sheets;WSJ-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: ail►ol►q
Time: C>7 &5-
lnitials: 6 —
POST CHECK
Date: Ay toAlk
Time: J 2 1S
Initials: LSL
I Monitoring pH Data
Min: W- J
Max: 1.0
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µ5/cm at
25°C)
Std
Lot No.
Expiration
200
J1B110,ZgS
11.12Z,
1000
Is Ito G
D e%
Post Check- Some Std?CD N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
100il-1
13l2_o;I_0
10
0l2t
4
7-o4A
6l2030
Post Check- Same Std? W N
YSI Pro Plus Meter t -"oration / Post Check Sheet
S/N: '1_7 1 q Hach Turbidity Meter S/N—�t�ac> I h
Field Crew:GL, 0m, C.C._ Study: e'�r+�;:,.� Day Z ouTY r OF
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): IS. $
Temp (°C): 1s_7
DI H2O (<0.1)
< 0.4 NTU ?
N
Barometric Pressure (InHg): Zq $,y L
BP (InHg): 2q, 847
DO 1%)
XX.X
DO (mg/L)
XAX
DO (%)
XX.K
DO (mg/L)
X.XX
Std: 100 NTU
q $,L4
Initial
' '7- 7
Lot #
cio S
90 - 110 NTU?
J © N
Adjusted
Giol, , b
Std Exp. Date:
Sj2p�a
Chart DO (x.xx mg/ DO (%)
$
Chart DO
B.tS
Turbidity meter last calibrated 6/ zsli ai
Within ±0.5?
O N'�
Within ±0.5
a) NJ?
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.X
***Dry Air***
x.x
1,000
X.
200
X.X
***Dry Air***
X.K
Temp
).44.,3
L1.
2
S'- 3
s_.7..
Initial
10o a
o5.
1 OCa
Db• b
d
Adjusted
tCy
After Calibration"
Cell Constant
180.0-220.0?
� N
< 3.0?
N
900 -1100?
N j
�f
180.0-220.0?
IN ,I
< 3.0? I
(D N J
S o
Acceptable Cell Constant range: 4.0 - 6.0
"
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.XX
10
X.XX
? (for 2719 only)
X.XX
7
X.XX
7
K.XX
10
X.XX
Temp
28,
y.7
.7,4.6
.-7
Initial
Tob,
4.010%
4.00
T , D y
7.1 �.
),D__aG
►{.0 i
Theo. pH
7,00
L3..t
L{.Dt
7.©o
q(t
fo•Oi J
K,o1
Adjusted
=�
°►
After Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
N
Within ± 0.2
® N
Within ±0.2?
N J
" h'r ± L %7
.J
5 j
q b
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
9After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:ISWIDivision FileslVvater Qua litylMonitoringkReferenceslS0PslMeterslarchivelCalibra tic r SOP1Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: 9 l7
Time:
Initials:
POST CHECK
Date: Q117 liq
Time: 12s 15-
!
Initials: GL
I Monitoring pH data
Min: A. b
Max: 7-1
If pH is < 69, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25-C)
Std
Lat No.
Expiration
Zoo
1000��
Post Check- Some Std? 0 N'
pH Standard (s.u.)
Std
Lot No.
Expiration
7
Ol2
OZ4
10
/! ©o A
2020
4 —1612-OS
A
Post Check- Same Std? (y) N
YSI-Rro-P--Iu-s-Il -eter� bration / Post Check Sheet
S/N: 4�2 Hach Turbidity Meter S//N� �,f / Field Crew: C� /� Study: 6,'enoe / �7
3 -`'
• OURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): Gf
Temp ('C): s 3
DI H2O (<0.1)
19 • 11q
< 0.4 NTU ?
N
Barometric Pressure (InHg): Z 9,
BP (lnH& 2_q•T�5" 3
DO (%)
Xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
c�
�O •
Initial
Lot #
90 - 110 NTU?
J i) N
Adjusted
S 2 O
Std Exp. Date:
ypyl�
Chart DO (x.xx mg/ DO (%)
'Z
Chart DO
l�
Turbidity meter lost colibrated 2! l
Within ± 0.5 ;
L IV N k/
Within ± 0.5?
0 N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air* **
x.x
Temp
. -7
ZS S
S
Initial
�•
1,U-
206. S
O. 6
Adjusted
Aker CalibraCion"
Cell Constant 1
180.0-220.0?,
'
Y N
< 3.0?
j
Y N!
900 -1100? ,
® N hf
180.0-220.0?
Q N
< 3.0?
j
® NJ
Q
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
pcti;n2-,
Std. Value
7
x.xx
10
x.xx
4 (tor Z1 i9 only)
x.xx
7
x.xx
7
x.xx
10
x.xx
4
Temp
49
Initial
l0 + 7
'J, QQ
1,.48
t0.63
3.$z
Theo. pH
lo , D t
7,00
401.
Adjusted
l0 ,
After Calibration
slope (mv)
Slope (% of ideal)
G
Within ± 0.1?
Y N
Within ±0.2?
a)N
Within ± 0.2?
Q
ri + 12?
Acceptable pH slope ( V/pH): SS - 60 mV / pH slope (% of ideal): 93 % to 102% ldeol pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"Aker Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FASW0ivision FileslWater Qua IitylMonitoringlReferenceslSOPslMeterslarchivelCaf1bration SOPICalibration Sheets & Maintenance LogslCaGbration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: fA - / y - /9
Time: -''3 o
Initials: 2�7/7'1
POST CHECK
Date: 101 t S/ 1 R
Time: f34
Initials: 11.440
Monitoring pH Data
Min: .j
Max: Z. [
lf pH is < 6.3, post check with pH 4.0
5p. Conductance Standard CII at
25°C)
i
Std
Lot No.
Expiration
200
l l Z� e
�lg
1000
G' ry (i
4%l
Fast [ neck- Same 5td? (V N
pH Standard (s.u.)
Std
Lot No. Expiration
7
p
a//�/ �
10
a�i f
•f Q��l
4
t,osr unecx- Same 5ta? U N
YSI Pro Plus Meter L. Aration / Post Check S eet
S/N: —7 Hach Turbidity Meter S/N��
Field Crew: 7 �A7 Study:
Turbidity Pre -Trip Check*
Turbidity (NTU)
Dissolved Oxygen (DO) Calibration
Temperature (°C): r
DI H2O (<0.1)
�
< 00 4�NTU ?
V d
Barometric Pressure (InHg): 9.
s
N
DO (%)
DO (mg/L)
Std: 100 NTU �C� r
xx.x
Initial
x.xx
- , .X
Lot # 62
90 - 110 NTU?
Adjusted L
-.I
Std Exp. Date: 2r�Za
N
Chart DO (x.xx mg/ DO (%)
i
22
Turbidity meter last calibrated �
2 � l
Within ± as?
N
CITY OF
DURHAM
DO Post Check
Temp (°C): Z3 . y
SP(InHg): ZR.1.9s
DO (%) DO (mg/L)
xx.x x.xx
102-1 $. ?tif
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
11000
200
***Dry Air***
1,000
200
***Dry Air***
X.
x.x
X.x
X.
X.x
x.x
Temp 1—*P
pp
2_� , ®
2 �-D
24.0
IInitial
� � r3
�
10�. S
0
Adjusted
/C) 0 r
After Calibration"
Cell Constant
180.0-220.0?
J19
< 3.0?
�
00 -1100?
180.0-220.0?
i
< 3.0?
5 e2d
N
G) N
Y� N
Acceptable Cell Constant range: 4.0 - 6.0
PH (s.u.) Calibration (perform 2-pt calibration for unit 4366) Confirmation pH Post Check
Std. Value 7 10 4 (for 2719 only) 7 7 10
x.xx III
x.xx x.xx x.xx x.xx x.xx 1 ! } I !
Tempt - 2 r Z ��at
Initial /" J �%, 3� e22J 7.vI,I lo.�a J Lt.G 1
Theo. pH % a © (% G� F. % `� - �Q 7* O Iv. 0 L
k of
Adjusted
Slope(mV) Slope (%of ideal) Within±0.1? Within ±0.2? Within ±0.2? Within±0.2?
5 -7After Calibration I r� tt
C �� N !V N J© N ! 1l
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 m V
*
Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the PH slope / % slope is recorded from the meter's GLP file
FASW1Division Files\Water Quality\Monitoring\References\SOPs\Meters\archivelCalibration SOPICalibration Sheets & Maintenance Logs\Calibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date:
Time:
Initials: A
POST CHECK
Date: (�
Time: z 2- j
Initials: CLi
Monitoring pH Data
Min: CO -j
Max:
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (,p5/cm at
25°C)
Std
Lot No.
Expiration
200
1Doo
/ al2 /
z zola
Post Check- Same Std?Y) N'
pH Standard (s.u.)
Std
Lot No.
Expiration
7/
Z,57
10
9�/ t
z �z
4
Post Check- Some Std?(w I'd
YSI Pro
ms"Plus
'Meter . ..oration / Post Check
/Sheet
S/N: �7 ✓ rr�C/lO �i�
Hach Turbidity Meter S//�N
Field Crew ✓ C_ / Study:f`t/,7 D v°Y7DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ("C): 2
Temp i°C): 74j,
DI H2O (<0.1)
Q+ l �/
< 0.4 NTU ?
N
Barometric Pressure (InHg): z �Q 2
BP (InHg): ��� (mil
DO (%)
xx.x
DO (mg/L)
x.xx
DO (9°j
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
fD� l�
Initial
3 , %
7,
Lot #
geq 3
90 - 110 NTU?
N
Adjusted]
Std Exp. Date:
5 dz-a
Chart DO (x.xx mg/ DO
�,,l
Chart DO
Turbidity meter fast calibrated i� �i
Within ± 0.6?:7
N `.�
Within ± 0.5?
Y
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
***Dry Air***
XA
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
cXXx
! .
%
H
Initial
2 4Y•
-ScS v
0
Adjusted
dd
After Calibration"
Cell Constant
180.0-220.0?
19 N .f
< 3.0?
N
900 -1100?
Y N `t
180.0-220.0?
Y N
< 3.0?
y N
i
Acceptable Cell Constant range: 4.0 - 6.0
F
PH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
,
Std. Value
7
x.xx
10
x.xx
ffor 2719 only;
x.xx
7
x.xx
7
x.xx
10
x.xx
4
Temp
2 4Y, 6
; 4'•
2s . Li
25 , L-
Initial
7 . O /
/
. O j
&.913j
iU .06f
.l
Theo. PH
-7, 062
D I
%, 04�2 J
q' Lo
0. v J
U J
Adjusted
fter Calibration
Slope (mV)
Slope (%of ideal)
Wit ±0.1?
N
Within ±0.2?
N
Within ±0.2?
J N
Within ± 0 2?
N
Acceptable pH slope (mV/pN): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% !deal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
(I� I,-)
00
1
i
Ple5,9 d a/a
f�r
aq
pli
aaIT,
)" 131M
F
F:\SVVlDivision Files\Water Quality\Monitoring\References\SOPslMeters\archive\Calibra tion SOP\Calibration Sheets & Maintenance LogslCalibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: lot, In
al
Time:
Initials: G�
POST CHECK
Date:
Time: l2 '. R) 't
Initials: iV J `1
Monitoring pH Data
Min: �.
Max:
If pH is < 6.9, post check with pH 4.0
5p. Conductance Standard (µ5/cm at
2.5°C)
Std
Lot No,
Expiration
200
100
iC301 Z. I E
2 ��
Post Check- Some Std?13> N 1
ON Standard:[s.u.)
Std
Lot No.
Expiration
7
0 2! 4—
Z -
1a
101 Z
ZC_..
4IF51
0 3
-0
Post Check- Same Std? a) N j
YSI Pro Plus Meter 4 .ibration / Post Check Sheet
J
S/N: 2 Hach Turbidity MeterS/nnN _(0050C r
Field Crew: Study: !ter iD 4 e n - crrvor
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 2q
Temp ('C):
DI HZO (<0.1)
/ 20
v 1j
<0.4 NTU ?
,J i-„� N
Barometric Pressure (inHg): 2�� ��
BP (InHg):
DO (6)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
J
103 L/
Initial
I r;0 , �
35
I,DDA
.ID
Lot #
4 0. 3
9Q - 110 NTU?
Y N
Adjusted
q
Z
Std Exp. Date:
� �J - Z
Chart DO (x.xx mg/ DO (%)
,per V
Turbidity meter last calibrated Z v
W
ft-ti
Within ± 0.5?
D N
Specific Conductance (µ5/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
A]x.x
1,000
X.
200
x.X
***Dry Air***
x.x
Temp
15. -
Z5 • 2
2L),
Initial
2051 S
V 00S
U-7 .
a
Adjusted
I ocl
After Calibration'
Cell Constant
180.0-220.0?
0 N
< 3.0?
Y N
900 -1100?
©N
180.0-220.0?
N
< 3.0?
© N
t` 6
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
r�prio, ,i
Std. Value
7
x.xx
10
x.xx
4 (for �?1) rnlu!
x.xx
7
x.xx
7
x.xx
10
x.xx
4
Temp
zS1r`
i
ZE7,IL
2
Initial
.Qf'
�,��vLIJ72,
a
0
3.
Theo. pH
C7C�
Cry
(�
0C d
6.�1 J
Adjusted/�
3
After Calibration
Slope (mV)
Slope (51. of idea!)
Within ± 0.1?
v+ N
within ± 0.2?
JOY N
Within ± 0.2?
�C) N
Within ± 0.2?
, ;�
�O N
a ,,
1(0•(D J.
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% !deal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope/ % slope is recorded from the meter's GLP file
�� I3111q
F:ISWIDivision FileslVVater Qua litykMonitoringlReferenceslS0PslMeterslarchivelCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPEUs Meter Calibration
Sheet-2019June

:K Tv r 6 -J
66oS ;,per S lorov5i`t 45
CALIBRATION iz�laa�v.l.
Date:
Time: r% �' �epw�� tr Sly+. �•
Initials:
POST CHECK CCjyyV� 6
Dater �CJ
Time: I
Initials: l3 L_ a A vj_
Monitoring pH Data
Min: 9. )Z
Max: 7, 2, J
., If pH is < b.9, post check with pH 4.0
Sp. Conductance Standard+(pS/cm at
25°C)
Std
Lot No.
Expiration
200
/217_,9
az Z 0
loon
f ©.Z 1,6
1 z zez o
Post Check- Some Std? Q:) N
ON SBarrdard jr u.'
Std
Lot No.
Expiration
7
10
4
lZf7)FA
Zazv
Post Check- Some Std? U N
YSI Pro Plus Meter L ,bration / Post Check Sheet
,
S/N: 2—�l-i Hach Turbidity MeterS/N 6 1! / I h
Field Crew: ��— , !%.i Study: r,73 CITY Or
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): jg , �'
Temp (`C): Q ,
DI Hz0
O• %
1/
< 0.4 NTU ?
N �;
Barometric Pressure ([nHg): �, '� `7 , `
BP (InHg):
DO (%}
xx.x
DO (mg/L)
XXX
DO (%)
XX.x
DO (mg/L)
x.xx
Std: 100 NTU
I
/ C,), t/
Initial
5? 7, %
1 ,
Cy A. l
A. 13
Lot #
4.p
90/- 1 TU?
V m N/
Adjusted
. 2/�,
j
Std Exp. Date:
yp��
Chart DO (x.xx mg/ DO (%)
1
Chart DO
pZ
9
Turbidity meter last tali rated / 2 L
C Q WhA � b/.t irs
Within ± 0.5?
V N
Within ± 0.5?
-V �N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X,X
1,000
X,
200
X.X
***Dry Air***
X.X
Temp
pp
I9.15,
D
Initial
�Z170, D
Adjusted
f,-,0
After Calibration"
Cell C n,tanUj
180.0-220.0?
N `.�
< 3.0?
N ��
900 -1100?
� N✓
130.0-220.0?
- f
Y N
< 3.0?
Y N
�
�f
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Past Check
Optional-
Std. Value
7
X.XX
10
XAX
(for 271.0 oniy)
X.XX
7
X.XX
7
X.XX
10
X.XX
4
-
Temp
4
r 6
T
le?- 7
)a.3
ICS+7
6�,3
Initial
--7i P 7 J
-l', d J
-7, &�Pq
7. 1-3 1
10. 12�
Theo. pH
t7,o
,oZ_
7•02
Adjusted
ker Calibration
Slope (mV)
Slope (%of ideal)
Within ±GA?
� N �/
Within ±0.2?
N }'
Within ±0.2?
N 4
Within ± 0^. �?
Q i J V
�-
L, J
Acceptable pH slope (mV/pN): 55 - 60 mV / pN slope ( V. of ideal): 93 % to 102% Ideal pH slope = 59 mV
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
°After Calibration, 0O sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:ISWIDivision FileslWater Quality\Monitoring\References\SOPs\Meters\archive\Calibration SOP\Calibration Sheets & Maintenance Logs\Calibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION j��1�C���•�Y�
Date:
Time: �_ cs ,
Initials: cc j
POST CHECK
Date: —JA _ 4 r
� 11
Time: "_i� lWaa<<9
Initials: P_ L_
I Monitoring pH Data I
Max:
x.lf pH is < 6.9, post,eck w -pL! 4.0
5p. Conductance 5tandard')pS/cm at
25°C)
Lot No.
Expiration
200
1000
Post Check -Same Std? Y N
I pH Standard (s.u.) II
Std Lot No. Expiration
10
4
Post Check- Some Std? Y N
YSI Pro Plus Meter L _�bration / Post Check Sheet
S/W Hach Turbidity Meter S/N LCi co oS
t� 1_ Study: � t 8 0 t Q n i" F� riry or
Field Crew: ouTYOF
3RHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°
Temp (°C):
DI Hz0 (<0.1}
J�
< 0.4 NTU ?
/ Y N
Barometric Pressure (InH9):
BP (InHg):
DO (%)
xx.x
mg/L]
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTJ
++
L0 2 J
Initial
Lot #
Q'
0 110 NTU?
(D N
Adjusted
Std Exp. Date:
�j
Chart DO (x.xx mg/ DO (%)
Chart DO
Turbi itymeterlostcalibrated
within ±0.5?
Within ±0.5?
� k-pzt' or\ 4 N s-Dw C G ( ) " I)'-1. J� Ii� '3 S r4 a J 5
Specific Conductance (µ5/cm at 25*C) Calibration _.. ,_„ _.,_ _ .- ..
Specific Conductance Post Check
Std. Value
X.
_�_200
x x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
Initial
Adjusted
After Calibration°
Cell Constant
180.0-220.0?
Y N
< 3.0?
Y N
900 -1100?
Y N
180.0-220.0?
Y N
3.0?
Y N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
On''onal"
Std. Value
7
x.ax
10
x.xx
(for 2719 only)
x.xx
7
x.xx
7
x.xx
10
x.xx
4
Temp
Initial
Theo. pH
Adjusted
fter Calibration'—
Slope (mV)
Slope (% of ideal)
Wit E .1?
Y N
Within ± 0.2?
Y N
Within ± 0.2?
Y N
Within ± 0.2?
Y N
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% !deal p = 59 MV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
4After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from meter's GLP file
FASWUvision Files\Water Quality\Monitoring\References\SOPslMeters\archive\Calibration SOP\Calibration Sheets & Maintenance Logs\Calibration SheetsWSI-ProPIus Meter Calibration
Sheet-2019June

CALIBRATION
Date: 1l/ i z/ta+
Time: 07 ='{S
Initials: JSL
POST CHECK
Date: 2 C;
Time:
Initials:
k3 W (� j
I Monitoring pH Data I
Min: Cr' • (4
Max:
If pH is < 6.9, post check with pH 4.0
Sp. Conductance .standard (p5/cm at
25°C)
Std
Lot No.
Expiration
200
l000
IgDi�ic
2/z�zo
Post Check- Some Std? LY NJ
pH Standard (s.eu.j
Std
Lot No.
Expiration
7
I G0121A
9120xd
10
r �L i i3
c4l taio
4
Post Check- Same Std?'Y J N
j
V
YSI Pro Plus Meter il,- ..bration / Post Check Sheet
S/N: L l ?; 66 J Hach Turbidity Meter S/�yN 660'; j 1b
Field Crew: AL_, C.c., --5 V � Study: Day ? t r CrrYOiDURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C):
Temp CC):
DI H2O (<0.1)
i
<4.4 NTU ?/J
N{1
Y
Barometric Pressure ([nHg): ;�q ,ufz
BP (inH g): 2
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
XX.X
DO (mg/L)
x.xx
Std: 100 NTU
I tit ✓
Initial
lD6 - -t ;,
q ,5 -7 ✓
G Z.
Lot #
qD " $
90 - 110 NTU?
N
Adjusted
cj17. S
�5,'7 $
Std Exp. Date:
I (K,_ _ ),o
Chart DO (x.xx mg/ DO (%)
S-$"l �/
Chart DO
/
Turbidity meter last calibrated q.u'tli� +/
Within ±0.5?
DY NV
W11A
W,i`thin±0.5?
K PC &
110 ��
jv,(�N e U 1 r4
�v+C[ly 1�1iu�rW11U'.��'
Specific Conductance (µS/cm at 25*C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
x.x
***Dry Air***
x.x
1,000
X.
200
x.x
***DryAir***
x.x
Temp
.Zc,- 7
)-0.6
J. J
21•
Initial
lGX7�
1A7'- 7 ]�
/
r7-`i Y
GQ i
G
d:
Adjusted
After Calibration
Cell Constant
180.0-220.0?
Y�N ;�
< 3.0?
Y N ,I
900 -1100?
/
Y� N Y
180.0-220.0?
Y )N
/ <_ 3.0?
v
Y 'N
r.�,•X i
Acceptable Cell Constant range: 4,0 - 6.0
`y
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
x.xx
10
x.xx
4 (far 2719 only]
x.xx
7
x.xx
7
x.x/xa
10
x.xx
Temp
10.16
7
o, S
�• ,"1
" 1
2�
Initial
7. d,-1 J
9.4$ !
7, 0 i
co J
!.i o • 0'3,
3 r
Theo. pH
7.0+ d
[0.0
►J/
7.c`>+ J
�� Q't J
.<)
� y •lJ
Adjusted
fter Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
D N
Within ± 0.27
N)
it in 0.2?
�j ±
l! Y N
Within ± 0.2?
X Y N
i •-
f c.( 7a
Acceptoble pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensorvalue, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
FASW\Division Files\Water Quality\Monitoring%References\SOPskMeterslarchive\Calibration SOP\Calibration Sheets & Maintenance Logs\Calibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: f(
16111
Time: 7 3
Initials: V-I
POST CHECK
Date: 4l Ie,
Time:
Initials: G�
%lZ:c:j
Monitoring pH Data
Min:
Max:
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard JpS/cm at i
25°C)
Std
No.
Expiration
zoo/
/Lot
Z%
Z ®(
1000
/ ©/.
2 ��Z®
Post Check- Same Std? U ' J
III standard'Ism.)
Std
Lot No.
Expiration
7
D ,Z A
;oz o
10
.2Q� 0
Post Check- Some Std?(Y fJ
YSI Pro Plus Meter L, -,oration / Post Check Sheet
S/N: -2-7 r11r� ! Hach Turbidity Meter S/N // e j
Field Crew: ( ( 42 /t`�7 Study:y?r �I ciTYOF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (00) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C):
Temp (°C):
DI H2O (<0.1}
f
r i/
j < 0.4 NTU ?
V N
Barometric Pressure (InHg): Z r� 7 jI J
BP (InHg):Zel t
DO (%)
xx.X--__
DO (mg/L)
x.Xx
00 (%)
XX.X
DO (mg/L)
X.Xx
Std: 100 NTU
Initial
! Cr9 , 0
%
y S Iv
Lat #
90 - 110 NTU?
@ N
Adjusted
9r
7 d
5td Exp. Date:
a 7-0
Chart DO (x.xx mg/ DO (%)
i
Chart DO
_ J
p
Turbidity meter lost calibrated 7 '� - /
Within ± 0.5?
1% N
Within ± 0.5?
N U
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.x
1,000
X.
200
X,X
***Dry Air***
X.X
Temp
T2 r S�
7T .5
initial
1000 J
.101 1.3
Adjusted
After Calibrationg
Cell Constant
180.0-220.0?
N
< 3.0?
N J
900 -1100?
Y N
180.0-220.0?
Y N :�I
3.0?
Y N y
f/ 0r)
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.XX
10
X.XX
4 (for 2719 only}
X.XX
7
X.XX
7
X.XX
10
X,XX
Temp
g
2/. f
Z. r �
Z v
=
vi L4
1.2.1
n
G
Initial
-7,
9, 1 c� "
-7,
l e
I
Theo. pH
7, i��
r42
!C'
74 r
.okL)
10. 0 d
Adjusted
q�i
11
L�ffi
fter Calibration
F
Slope(mV)
slope (% fideal)
Within ±0.1?
j
7 N .I
Wi ±0.2?
tY N ',1
Wit 'n±0.2?
Y N
Within±O. Z.
�;J
f
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( Y. of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FASWIDivision FileslWater Qua lityWonitoringlReferenceslSOPslMotorslarchivelCalibration SOP1Calibration Sheets & Maintenance LogMCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-20191une

CALIBRATION /
Date: �
Time: J
Initials:
POST CHECK
Date: Ili
Time: I2 3J f
Initials: �J E-
Monitoring pH Data
Min: 7•C+ J
Max: 7. S
..If pH is < 6.9, post c4k with pH 4.0
Sp. Conductance Standard, ( fit§/cm at
25°E)
Std
Lot No.
Expiration
200
T zc 3
.
1r4 I Iet
1000
1 ItIc1
L, f 2-V
Post Check- Same Std ?%V�
laii Standlard' (s.u.)
Std
Lot No.
Expiration
7
Gi } z-
�0
10
Z I IS
4
Post Check- Same Std?� NV
I✓
J
YSI Pro Plus Meter C.obration / Post Check Sheet
S/N: I _-.(i, 7 `� Hach Turbidity Meter S/N L, ' Q!�
Field Crew: 13 L / L- Study: Ai -AU i en V `I CITY uF
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): /
Temp (°C): `i o
DI HZO (<0.1)
9
li 'ti1 //
< QINTU ?
N
Barometric Pressure (InHg): ^ 4 �.
BP (InHg): ��Z , ).4
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
lot
Initial
I 7,
i
Lot #
G (:-Jl90
--�110 NTU?/,
Y) N v
Adjusted
7
fry
5td Exp. Date:_L4
._ IWI
Chart DO [x.xx mg/ DO (%)
�l i Z(,�i.
Chart DO
.t tj
Turbidity meter lost calibrated a
i
Within ± 0.5?
N
W ithin ± 0.5?
Y N
Specific Conductance (µS/cm at 25"C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x,
200
x,x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
V
T
V
t rt ..I
Initial
C" l yr
Z "!�
i
(2 f
��2.ff'�
Adjusted
After Calibration#
Cell Constant
180.0-220.0?
�`, N
< 3.0?
Y N
900 -1100?
�Y j N�
180.0-220.0?
j
1� N iJ
< 3.0?
Y N
14, G` ,'
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
x xx
10
x xx
4 (for 2719 only)
x.xx
7
x.xx
7
x xx
10
x xx
Temp
j
Initial
r,
I'
• r
L .e-m J
1 u C et V
Theo. pH
0Z. f
L'
hh
,VZ
C,u
Adjusted
f
t (1 C)q l
fter Calibration
Slope(mV}
Slope(%ofideal)
Wit 'n±0.1?
Within ±0.2?
f
Within ±0.2?
Y N ]
Within±0. ?
Y LJ
f
Acceptable pH slope (mV pH): 55 - 60 mV p slope (% of ideal): 93 % to 102% ideal pN slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:\SW\Division Fkes\Water Quality\Monitoring\ReterenceslSOPs\Meters\archive\Calibration SOP\Calibration Sheets & Maintenance Logs\Calibration Sheets\YSI-Pro Plus Meter Calibration
Sheet-2019June

CALIBRATION
Date: i.!'j / l e,
Time: C%-7 = 3�
initials: i?, L_
POST CHECK Date: /' h° /9 J
Time: /.7, -/ J */
Initials: 12111 t)
Monitoring pH Data
Min: -7,
Max: _7►- 2-
If pH is c 6.9, post check with pH 4.0
Sp. Conductance Standard (ImS/cmi at
25°Ej
Std
Lot No.
Expiration
200
�Sd'1u�t
i]. '2 %6X
1000
( ii i 2-1
Post Check- Some Std? LJ IN
pi4 Standard) f sm j
Std
Lot No.
Expiration
7
1Oi0i;LtA
10
t cto 1'7-1 11
/2J1cj
4
3AIx.,�y
I
Post Check- Same Std? Y vtf f
ply i fo1.2 tG
YSI Pro Plus Meter Calibration / Post Check Sheet
S/N: -'7 i f Hach Turbidity Meter S/N Lo'; V
Field Crew: l?L, v,`i Study:_ DURHAM
G.-.r 2 cn.,oF
Turbidity Pre -Trip Check*
Rissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ("C): 7 fs j
Temp (°C):
DI HZO (<0.3}
t2
<0.4 NTU ?
(D N
�'1
Barometric Pressure (InHg): _I -A, � 7
),7
BP (InHg): -7—. Z 10 J
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
'
Std: 100 NTU
J
Initial
) ,,
L ( 7 t
Lot #
A i rJ 3_!�-
90 - 110 NTU?
Y N
Adjusted
-7. y ✓i
Std Exp. Date:
i is -►
Chart DO (x.xx mg/ DO N
Chart DO
i
Turbidity meter last calibrated 11,4 2 l '
±
Within 0.5?
N
Within ± 0.5?
N �/
Specific Conductance (µS/cm at 25*C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x,X
Temp
.}
; ,
Initial
1D
J . L+
/ f'Cl f
d 3r 474
C
Adjusted
to•�� j
After Calibration'
Cell Constant
180.0-220.0?
LYE N
< 3.0? ^ 1
Y� N V
900 -1100?
N
180.0 -220. ?
N
< 3.0? /.
N "V
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
x.xx
10
x.XX
4 (for 2719 only)
x.xx
7
X.xx
7
x.xX
10
x.xx
Temp
i k, C
(q . u L`
( .. 7 J
i (i.0
27d
77,
Initial
. l
t C) . i ZFNi
-1. G I J
7, L,
< J l y�
f�r 4 ®
n
1E'4�
Theo. pH
7,02 J
J
i").C") '/
7.C,
%++� J
le,7.
fir(
Adjusted
. ,:i b
fterCalibration
Slope (mV)
Slope (%of ideal)
Within ±0.1?
/� �
N ,_1
Within ±0.2?
N j
Within ± 0.2?
N
Within ±0.2?
Y N
Acceptable pH slope (m7/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Bookfor details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:ISWIDivision FileslWater QuaiitylMonitoringlReferenceslSOPslMeterslarchivelCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATION
Date: 1-111,01191
Time: ,� i
Initials: 12P-% U
POST CHFCK,
Date:
Time:
Initials: cC U
Monitoring pH Data
Min:
Max:
J
If pH is <6.9, post check with pH 4.0
Sp. Conductance Standard (VS/cm at
25°C)
Std Lot No.
Expiration
2003
Zdl
1000
1 / ,1�/Z
Post Check- Same Std? z
N .�) '
pR Standard fs,.u.f
Std
Lot No.
Exp ration
10
z
2 f�
4
U 1 2- 1 C
ZU
Post Check- Some StdQD N�j
YSI Pro Plus Meter GuAration / Post Check Sheet
S/N: —7 Hach Turbidity Meter S/N "O 7
Field Crew: J� Study: y''� % 3
Turbidity Pre -Trip Check*
Turbidity (NTU)
DI HBO (<0.1)
s /r
< 0.4 NTU ?
J
Std: 100 NTU
9 9, J
Lot #
A p 3 4 i
90 - 110 NTU?
N
Std Exp. Date:
-_ pZ_ a
Turbidity meter last calibrated`/ /
Dissolved Oxygen (DO) Calibration
mperature (°C):
rometric Pressure (InHg): �%„ `✓/%
DO (%}
xx.x
DO (mg/L)
X.XX
Initial
�, 6 '
Adjusted
6
art DO (x.xx mg/ DO (%)
Within ± 0.5?1
/9 N r/
&ITY OF
D. Post Check
��////f//l
� � IL►1f
Specific Conductance (I-6/cm at 2S°C) Calibration
Specific Conductance Rost Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.X
***DryAir***
X.x
Temp
..
/" ✓
2-0.
Ci
Initial
1 .%
�✓'
crj.,=- ,i
iv o
C? .1v€
0-4411
Adjusted
f% b
Aker Calibration'
Cell Constant
180.0-220.0?
r- N
< 3.0? 9
V
N
900 -1100?
Y N
180.0 -220. ?
Y N
< 3.0?
YN
`-J
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration (perform 2-pt calibration for unit 4366)
Confirmation
pH Post Check
Std. Value
7
X.XX
10
X.XX
only)
X.XX
7
X.XX
7
X.XX
10
X.Xx
4
X.XX
Temp
f If u
7
77
26• 5 J
Z07
initial
d -/ J
0 , U
7, 0 I'd
1�
0 , r1
� .IML
Theo. pH
-7-
J � r 1 J
/t
%f G''
U
lo. 0l/ I
O
Adjusted
/4%?• ti ,,±
a'
After Calibration
Slo e (mV)
-
--
Slope (% of ideal)
Within ± 0.1?
� N i
Within ± 0.2
N
Within ± 0.2?
1
N �/
Witl i ± 0.2?
Y N
Acceptable pH slope (mV/pH): 55 - 60 mV /pH slope ( Y. of ideal): 93 % to 102% Idea! pNslope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:1SW\Division Files\Water Quality\Monitoring\References\SOPs\Meters\archive\Calibration SOP\Calibration Sheets & Maintenance Logs\Calibration Sheets\YSI-ProPlus Meter Calibration
Sheet-2019June

CALIBRATIO
Date:
Time:
Initials: _"_
POST CHECK
Date: V L 9) 10121
Time: >U
Initials: S
Monitoring pH Data
Min: 0
Max: 9
—If pH is < 6.9, post check with pH 4.0
YSI Pro Plus Meter Calibration / Post Check beet DURFIAM
/
S/✓� `/ � 6� Hach Turbidity Meter 5/N
�I d Crew: .J!`7 , ��� Study: �111 4,1& Z)
@Ui eNF
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO post Check
Turbidity (NTU)
Temperature (°C): ?
Temp ('C):
DI H2O (<0.1)
/
< 0.4 NTU ?
N
Barometric Pressure (InHg):
BP (InHg):
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
��
Initial
Lot #
l ✓
, 90 - 110 NTU?
LV N
Adjusted
i v
aid,
Std Exp. Date:
1.2
Qt'9
Chart DO (x.xx mg/ DO
e
Chart DO
4(5
Turbidity meter last calibrated 2 7 v
/hi
Within±0.5?
(�Y' N
Wit in±0.5?
Y N
Sp. Conductance Standard (µS/cm at
25°C)
Std
Cot No.
Expiration
200
% (
&
1000
l 7 / / /
z
Post Check- Same Std 10 N/
PH, Standard (s. u.)
Std
Cot
Expiration
7
/No.
/
/ f
h4
10
Il���lr
)W5
4
Post Check- Some Std? �J N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
***Dry Air"*
x.x
1,000
x.
200
x.x
***Dry Air***
x.x
Temp
1]
'1
Initial
l ��4
yE
{j ✓
1 0 O
'L �} S✓
Adjusted
/ Q
After Calibration"
Cell Constant
180.0-220.0?
N
< 3.0?
N
900 -1100?
Y N
180.0-220.0?
Y N
< 3.0?
IY N
0v1
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Optionai".
Std. Value
7
x.xX
10
xA%x
7
x.xX
7
x.xx
10
x.xx
4
X.Xx
Temp
7 7
2— 2
�24 �(
Initial
/�
9
�G
Theo. pH
CsQ
1 G bD
Adjusted
ao
2kk
After Calibration'
Slope (mV)
Slope (% of ideal)
Within±0.1?
/�
4 N
Within ±0.2?
Y N
Within±0.2?
Y N
Within± 2?
Y N
✓
Acceptable pH slope (mV/pH): 55 - 60 mV / pN slope (% of ideal): 93 % to 102% !deaf pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
2-1-r`"
FASWQvision RIWWater Quality\Monitoring\ReferenceslSOPslMeters\Calibration SOMCalibration Sheets & Maintenance Logs\Calibration Sheets\YSI-ProPlus Meter Calibration Sheet-
2018March.xlsx

CALIBRATION
Date: &ALllb
Time: L40✓
Initials:
POST CHECK
Date: >/ %
Time:
Initials: T]J'�l
YSI Pro Pus Meter Calibration / Post Check Sheet
S/N: Hach Turbidity Meter S/N
Field 'Cr w: � �[ SCE Study: 1 .lrl i— p .Z
DURHAM
Iln2
.
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C}: 2_
Temp {'C}:
DI HzO (<0.1)
/
< 0 TU ?
Y N
Barometric Pressure (InHg): ECI 03
BP (InHg),�M `7
DO (%)
xx.x
DO (mg/L)
X.xx
DO (%)
xxA
DO (mg/Q
x.xx
Std: 100 NTU
G-1 /
Initial
-7
Ci
Lot tt
/
el •/
90 - 110 NTU?
` Y N
Adjusted
31 2
Std Exp. Date:
' -V/
Chart DO (x.xx mg/ DO {%}
Z '
Chart DO
-3
Turbidity meter fast calibrated Z
Wit n±0.5?
' IN
Within±0.5?
62 N
Monitoring pH Data I
Min: �
Max:
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (VS/cm at
25°C)
Std Lot No.
Expiration
415 ,
O(p I 4
M200
loon
1 • i r ,
- a
Post Check- Some Std?e N '
pH Standard (s.u.)
Std
Lot No.
Expiration
7
S
10
of
4
Post Che`e Same-Std 1V i a
Specific Conductance (µ5/cm at 25"C) Calibration
Specific Conductance Post Check
Std. Value
1,000
200
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
9_5,0
Initial
C> �
� o ✓
��
! C> ✓
2� �-
d ✓'J
Adjusted
o
After Calibrationx
Cell Constant
180,0-220.0?
Y N
< 3.0?
Y N
900 -1100?
N
180.0-220.0?
N
< 3.0?
lff� N
is `
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Opflc,ilnl
Std. Value
7
x.XX
10
x.xx
7
x.xx
7
x.xx
10
x.XX
:(.,..
Temp
r"'.,25
777
, i
Initial
Q 5
Theo. pH
1100
UI 0 1
100
Adjusted
. 0 1
After Calibration"
Slope (mV)
Slope (% of ideal)
Wig ± 0.1?
Y) N
in ±0.2?
Y N
Within ±0.2?
Y N
Within +0.2?
Y tJ
-
Acceptable pH slope (mV/pN): 55 - 60 rizV / pH slope (95 of ideal): 93 V to 102V. !deal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
C"aze�
`v / P ii '1
Wits 3 • ��
Y, ;�6 CA
3FLV C)YI u VAu,-
F:1SW1Division FileslWater Quality)Monitoring\ReferenceslSOPslMeterslCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2018March.xlsx

e, Z v Z
uu rtrtan4
CALIBRATION
Date:
Time:
Initials:
POST CHEC .
Date:
Time:
Initials: 2) rv1
Monitoring pH Data
Min:
Max:
..lf pH is < 6.9, post check with pH 4.0
YSI Pro Plus Meter Calibration / Post Check Sheet
f /N: Z -? l 9 Hach Turbidity Meter S/N I
Ivoield Crew L Study:
Turbidity Pre -Trip Check* Dissolved Oxygen (DO) Calibration DO Post Check
p
Turbidity (NTU)
Temperature ('Q Temp ('C
DI HzO (<0.1)
Std: 100 NTU
Lot #
5td Exp. Date: I—
Turbidity meter last calibrated
Sp. Conductance Standard (VS/cm at
25'C)
Std
Lot No.
Expiration
200
1000
Post Check- Some Std? Y N
pH Standard: Is.u.1
Std Lot No. E,
J 7 111 D 65
10 1Cpl2Z15 3
4 I r 3 i 0� f
Post Check- Some Std? d( N
253
V
< 0.4 NTU ? Barometric Pressure (InHg): BP (InHg):
Y N JDQ%-- DO (mg/L) I DO (%) DO (mg/Lj
I-IT5-F—U? I Adjusted
Y N Chart DO (x.xx mg/ DO
Within ± 0.5?
Y N
Chart DO
within ±0.5?
Y N
Specific Conductance (try/cm at 25"C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x
200
x.x
***Dry Air***
x.x
1,000
20
x.x
*Dry Air***
x.x
Temp
Initial
Adjusted
After Calibration"
C nstant
180.0-220.0?
Y N
< 3.0?
Y N
900-1100?
Y N
1 180.0-220.0?
Y N
< 3.0?
Y N
Acceptable Cell Constant range: 4.0 - 6.0
JW'pH (s.u.) Calibration
Cenfirr ntfi5n
pH Post Check
ophulol
Std. Value
Lj 7
x.xx
10
x.xx
(q 2
I x.xx
7
x.xx
10
x.xx
4
: <.
Temp
T
2
c�
+
lJ, j
Initial
r��y
�j. 0
-7 r 1
L�
heo. pH
—7, e9d
Adjusted
After Calibration
Slope (mV)
Slope (%of ideal}
vkWithin ± 0.1?
Within ±0.2?
Within ± 0.2?
Within ± 0.2?
Acceptable pH slope (mV/pH): 55_ n6Q pH slope (% of idea!}: 93 % to 102% ideal pH slope = 59 mV
*TurbRditr4uetecsweTMsCrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
F:1SW1Division FileslWater QualitylMonitoringlReforences\SOPslMeterslCalibration SOP1Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2018March.xlsx

CALIBRATION
Date:
Time: j
Initials: CC,
POST CHECK
Date:
Time: i q % S�
Initials: C'. C✓
YSI Pero Plus Meter Calibration / Post Check Sheet "UII"1AM
S IV: Z� Hach Turbidity Meter S/N t.L'
Lie' Id Crew: G Study: A e o
Turbidity Pre -Trip Check*
Dissolved Oxygen (©0 :Calibration.
DO Post Check
Turbidity (NTU)
Temperature (°C): Z'
Temp ('C):j -
DI H2O (<0.1)
fl
< O-ANTU?
Y N
Barometric Pressure (InHg): Z LIS C�
BP (lnHg):
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
/
J
Initial
e Gj. `L
iqpf�
Lot #,
90 - 1:10NTU?
Y
Adjusted
gj 9
Std Exp. Date:
G
Chart DO (x.xx mg/ DO (%)
C?jr;�
Chart DO
Turbidity meter last calibrated Z
'0.5?
Wry�
Wit, +0.5?
y
I Monitoring pH Data I
Min: ({J , co /
Max: � t/
if pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
{ �fl Z
0& ZO[
M200
1000
Ilklkit ^
Post Check- Some Std ?f Y J N
pti Standard (s.u.j
Std
Lot No.
Expiration
7
fl, /
10
tZ2 =
✓
4
Post Check-SbmeStd? Y N
Specific Conductance (0/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
X.
200
***Dry Air***
Temp
L-
�-
` Z„ !
.Z 5 , L-)
v
Initial
C7C�
20 >-
Adjusted
0co ✓!
After Calibration"
Cell Constant,,
180.0-220.0?
Y N
< 3.0?
Y� N
900 -1100?
Y� N
180.0-220.0?
Y N
< 3.0?
� N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
01%, ,n:1l-
Std. Value
7
x.xx
10
x.xx
7
x.xx
7
x.xx
10
x.xx
4
N.,.:K
Temp
,
��{ .
L 1i
'L5 • 31 cc
ZG, 3
Initial
)
�O
[ }v
?7 -
Theo, pH
O CJ
10
r .
Adjusted
�7
Aker Calibration
Slope (mV)
Slope (% of ideal)
Wit .�±0.1?
Y N
Within ± 0.2?
Y N
Within ±0.2?
Y N
Within ± 0.2?
YP!
/;%
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope { % of ideal): 93 % to 102% !deaf pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
°After Calibration, 00 sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
i
/
�Ovs�` G�/LA.Ir
F:\SW\Division Files\Water Qua] ity\Monitoring\ReferenceslSOPsWeterslCalibration SOP1Calibration Sheets & Maintenance Logs\C:alibration Sheets\YSI-ProPlus Meter Calibration Sheet-
2018March.xlsx

CALIBRATION
Date: vi
Time: ? 0
Initials: C
POST CHECK
Date:
Time: ".3 u�
Initials: CG
Monitoring PH Data
Min: '}
Max: h -
. If pH is << 5.9, post check with pH 4.0
YSI Pro Plus Meter Calib� in / Post Check She�ett PUHHAM
_ S/N: 41C_/, _ 1 Hach Turbidity Meter S/N (�(,2[,�,7 I
Field Crew: CCle, C,� Study: !,A i eo` 01
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): Z`
Temp (°C): 2 `
DI HZO [<0.1]
®
< 0.4 NTU ?
N .,,
Barometric Pressure (InHg): Ul -
BP (InHg): Z ��
DO {%)
xx.x
DO (mg/L)
x.xx
DO (%)
Mx
DO (mg/L)
x.xx
Std; 100 NTU
I L? � �
Initial
�
t f Z
(�
Lot #
2
90 - 110 NTU?
Y N '
Adjusted
3 2
Std Exp. Date:
?C)el ✓
Chart DO (x.xx mg/ DO (%)
Chart DO
✓
i
Turbidity meter lost calibroted Z
Within ±0.5? f
Y N
Within ± 0.5?
Y N
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No. Expiration
20a
2 G
O(o v
loon
11 i
1 f
Post Check- Same Std ?p`Y ) N
pH Standard (s.u.)
Std
Lot No.
Expiration
7-
10
i i2Z
zo[�
4
Post Check- Some Std .I Y r
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
X.
200
X.x
***Dry Air***
x.x
Temp
Initial
I C) o /
2.
--
Adjusted
100 0
After Calibration"
Cell Constant
180,Q-220.0?
Y N
< 3.0?
O N
900 -1100?
Y N
180.0-220.0?
< 3.0?
,Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Optional"
Std, Value
x.xx
F:7
10
x.xx
7
x.xx
7
x.xx
10
x.xx
4
x.xr.
Temp
Initial
(�
r
Z /
, ( '�
I ✓
Theo. pH
Adjusted
{)
After Calibration#
Slope (mV)
Slope (% of ideal)
Wit ± 0.1✓
Wt ± 0.2?�
With' ± 0.2?
Within ± 0.2?
Y N
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
#After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:ISWIDivision FileslWater QualitylMonitoringlReferenceslSOPslMeterslCalibration SOP\Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2018March

CALIBRATION
Date: 6 — tit
Time: `. L2
Initials: i G-
POST CHECK
Date: �E
Time: 13 !1 2-
Initials: CC.
YSI Pro Plus Meter Calibra i / Post Check Sheet DURHAM
S/N: 2T! Hach Turbidity Meter S/^N _(p---)Q[> I
Field Crew: (56 Pl� Study:
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ("C): 22, I
Temp (°C):
DI HZO (<0.1)
�G, ✓
[
<0-4-,ITU ?
Y N
Barometric Pressure (InHg): Z� ,
BP (InHg): �" GE j
DO (%)
XX.x
DO (mg/L)
X.XX
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
✓
Initial
-7.
Lot #
2
90 - 110 NTU?
Y� N
Adjusted
,
Std Exp. Date:
Chart DO (x.xx mg/ DO (%)
t/
Chart DO
Turbidity meter lost colibrated ;
Within ± 0.5?
Y N
Within ± 0.5?
N
I Monitoring pH Data I
Min: t1— j
Max: 7, ( /
3�If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µ5/cm at
25°C)
Std Lot No. Expiration
200
I ' j(} L al
1000
I 1 l(a Sf Zol g.k
Post Check- Some Std?� N
pH Standard (s.u.)
Std
Lot No.
Expiration
10
Z(j
l�4
.
PostCheck- Same Std
I
I
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
X.x
Temp
Z21. 0
Initial
100
2 1�—•
Adjusted
1000 f
After Calibration"
Cell Constant
180.0-220.0?
Y N ✓
< 3.07 /
-
Y N
900 -1100?
Y N
180, -220V
Y N `�
0?
l
Y N
�,� :.•
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Optional
Std. Value
7
X.XX
10
X.XX
7
X.XX
7
X.XX
10
X.XX
4
X.XX
Temp
Z 3.
Z3 .
Initial
i
I[�
•O 3
Theo. pH
1-00
10 • 0
O
(74,01
Adjusted
01
After Calibration'
Slope (mV)
Slope (%of ideal)
Wit ±0.1?
Wit in±0.2?/
Wit 4 ±0.2?
Wi +_ 0.2?
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 my
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
'After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FASWIIDivision FileskWater Qua lity%MonitoringlReferenceslSOPslMeterslCalibration SOP1Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2018March

CALI BRAT14
Date: 1 zol
Time:
Initials:
POST CHEF -
zDl�Date: o/
Time: �0
Initials:
Monitoring pH Data
Min: _ �t__�
Max:
If pH is < 6.9, post check with pH 4.0
YSI ProPlus Meter Calibra, , / Post Check Sheet DURHAM
S/N: 930 (o Hach Turbidity Meter S/N U1 (.Q ()lz;;- I
Field Crew: r) 0 cc, Study: _Ar r�-sCVIt
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): z. -
Temp (-C): Z. 5. 4-
DI H20 (<0.1)
�n
d . �Y 1
< 0.4 NTU ?
Y N
Barometric Pressure (InHg): C1 °S
BP (InHg): .7— �, 70,
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
XXX
Std: 100 NTU
(0_�)
Initial
Ct . 0
. `1
A�, a
L✓
Lot #
90 - 110 NTU?
N
Adjusted
�ri
Std Exp. Date:
vi
Chart DO (x.xx mg/ DO (%) =
Chart DO
Turbidity meter last calibrated �� �!
W05?
With' .
Wit h -0.5?
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
204
-70U0
C& 00i
1000
ffi
hl 20(
Post Check- Some Std?U N
pH Standard (s.u.}
Std
Lot No.
Expiration
7
lu b1
10
Z. H
4
Post Check- Some Std? IY N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
��
��- •
t . ,Z
? v
z
Initial
Z,Q _---Of.
D
Adjusted
` X/
After Ca#ibration"
Cell Constant
180.0-220.0?
Y N
< 3.0?
Y N/
900 -1100?
N✓
180.0-220.�-
N
< 3.0? .
N
el
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Optional
Std. Value
7
x.xx
10
x.xx
7
x.xx
7
x.xx
10
x.xx
4
x.xx
Temp
2.�..P_�
41 1J.
/
Initial
`Z
- o ✓
-7, D
Theo. pH
10. 0
? . 00
7, a e,2
e 0 -
Adjusted
After Calibration"
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
N
Wit'S ± 0.2?
N '
Within ± 0.2?
N
Within ± 0.2?
Y N
,, »y
;
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% 1deo1 pH slope = 59 mV
J
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:\SW\Division Files\Water Quality\Monitoring\References\SOPs\Meters\Calibration SOP\Calibration Sheets & Maintenance LogMCalib ration Sheets\YSI-Pro Plus Meter Calibration Sheet-
2018March

CALIBRATIO
Date: A� /7 f p
Time: ' T0
Initials: 014—
c
POST CHECK
Date:
Time:
Initials:
Monitoring pH Data
Min: �.-
Max:
#n if pH is << 5.9, post check with pH 4.0
YSI Pro Plus Meter Calibra Post Check Sheet DURHAM
S/N: Z 7/ � Hach Turbidity Meter S/NA 6( e !; I
Field Crew:Z2/1�� Study: 41#_
1 8 6 9
ry pt'a.(6Kll
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): -7 c>,
Temp (°C): 23. d
DI H20 (<0.1)
< 0.4 NTU 1
N
Barometric Pressure (InHg): h �'
BP (InHg): �j
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
Initial
/O/. `�
Lot #
A7,9 `l-
90 - 110 NTUa
60 N
Adjusted
Std Exp. Date:'
zpV1
Chart DO (x.xx mg/ DO {%)
-01 Chart DO
'Z-
Turbidity meter last calibrated
2-� g
Within ±0.5?
N
i hin±0.5.h'
Y N
',
Sp. Conductance Standard (µS/cm at
25°C)
Std Lot No.
Expiration
200
/
loos
1 (1 W
/ ;t vl $
Post Check- Some Std? (3 N/
f
pH Standard (s.u.)
Std
Lot No. Exp' ation
7��
4
Post Check- Some Std? YL> N
Li
Specific Conductance (VS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.%
1,000
X.
200
%.x
***Dry Air***
x.x
Temp
Initial
'�%
��73- �✓
Q ✓
(p� Q ✓
2 03
Adjusted
0 a 0
After Calibration"
Cell Constant
180.0-220.0?.
< 3.0?
Y N/
90,Q -1100?
l/Ti] N
18<�220.0?
N
3.0?
N
�'N✓
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Optional—
Std. Value
7
x.xx
10
x.xx
7 �L7
x.xx j
7
x.xx
10
x.xx
4
x.xx
Temp
2
2 .
E
ZZ, --'
Z3. -2
J
Initial
t?
09 J
Q
Theo. pH
% 0
0. D
101
-7- D
©• Q
Adjusted
%(i
After Calibration"
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
N
Within ± 0.2?
N
Within ± 0.2?
N
kithin ± 0.2?
Y N
Acceptoble pH slope (mV/pH): 55 - 60 mV / pH slope ( Y. of ideal): 93 % to 102% !deal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
t4D
rr4 �L
osF
rVJ
r h A W
r- � kre, J Ptfjs
rawy 4 go
e v w,,1(
be, C Yi �
LQ.�L ,
F:1SW1DMsion FileslWater QualitylMonitoringlReferenceslSOPslMeters!Calibration SOPICalibration Sheets & Maintenance LogslCalibration SheetsWSI-ProPlus Meter Calibration Sheet-
2018March

Date: ATIOle
Date:
Time: ' at,
Initials: . 2 N
POST CHIC
/,,, f �q
Date: Lf
Time: TS
Initials: GG
YSI Pro Plus Meter Calibr )n / Post Check Shget DURHAM
S/N: Hach Turbidity Meter S/N�
Field Crew- CC f7M Study: /.f-, � Z- i� a 6 q
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C): a C.�
Temp (°C): " Z-1
DI Hz0 (<O.1)
%�, %z ,%
<0.4 NTU ?
N
C✓
Barometric Pressure (inHg):
BP (inHg): Z
DO (%)
Mx
DO (mg/L)
x.xX
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
/j J
% �• 7
Initial
p /,
C
Lot #A
7 0 Z
90 - 110 NTU?
N �
Adjusted
�Y
Std Exp. Date:
`J✓ zD/�
Chart DO (x.xx mg/ DO (%}
j
Chart DO
Turbidity meter lost calibrated 3 z J
Within ± 0.P
N ✓
Wit ' ± 0.5?
,
N
Monitoring pH Data I
Min: J - �
Max: 1_,_t
„. If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Exp notion
200
.;z O%
l000
' 01
Post Check- Some StdQ) N
PH Standard (s.u.)
Std
Lot No.
Expiration
7
10
lF�1� ifs
�20/
4
kIA-
Post Check- Some Std?/T) N
Specific Conductance (µS/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
2 Z
Initial
2 3,
Q
-&�
Adjusted
laad
After Calibration#
Cell Constant
180.0-220.0?
N
< 3.0?
N
9 -1100?
Y N
180.0-220.0?
Y N
< 3,0?
LY N
i
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Optional"
Std. Value
7
x.xx
10
x.xx
7
X.xx
7
X.xx
10
x.xx
4
x.xX
Temp
p
2 a2
2
Initial
/
%. 0 L
1 -
Theo. pH
�, O
/(% b �j
% (, r'
-C7
,
Adjusted
J 7
After Calibration"
Slope (mv)
Slope (% of ideal)
With' ± 0.1? /
✓ N
Within ± 0.2?/
N ✓
Within ± 0.2??'
Y N l
;thin ± 0.2?
Y N
,✓
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% 1dea1 pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope/ %slope is recorded from the meter's GLP file
F:1SWQvision FileslWater Quality\Monitoring\References\SOPs\Meters\Calibration SOP\Calibration sheets & Maintenance Logs\Calibration Sheets\YSI-ProPIUs Meter Calibration Sheet-
2018March

CALIBRATION
Date:
Time:
Initials: C�
POST CHECK
Date:
Time:
Initials:
Monitoring pH Data
Min: —7+ 1 /
Max:" v/
f� If pH is < 6.9, post check with pH 4.0
YSI Pro Plus Meter Calibl )n / Post Check Sheet DURHAM
S/N: �2? i 9 Hach Turbidity Meter S/N !J1 05
Field Crew: CD t—A GG Study:
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): • 0 ITemp
(°C):
D1 HZO (<0.1}
v , .` %
< .4-IVTU ?
Y N
Barometric Pressure (InHg): �
BP (InHg):
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: i00 NTU
-S✓
Initial
1
/,
f
Q�
Lot #i
-3 Z
90 - 110 NTU?
Y N ✓
Adjusted
IV
`
5td Exp. Date:
s
Chart DO (x.xx mg/ DO (%)
• i Q V
/ Chart DO
Turbidity meter last calibratedL
Within ±0.5?
/
Y N
r//////ZA
Within ±0.5?
N
5p. Conductance Standard (µS/cm at
25°C)
Std
Lot No,
Expiration
200
)-Q (OOLS
1, 0
1000
i A
I 1' I
Post Check- Some Std?C: Y N
pH standard (s.u.)
Std
Lot No.
Expiration
10
(� 22.1E
l
4
-
Post Check- Same Sj d J Y N !,
2
Specific Conductance (uS/cm at 25°C} Calibration
Specific Conductance Post Check
Std. Value
1,000
200
***Dry Air***
x.x
1,000
X.
200
X.X
***Dry Air***
x.X
Temp
Initial
r
202-9 ✓
_� !
�% % �
2�%J� �
c'�, "
Adjusted
loco
After Calibration"
Cell Constant J
180.0-220.0?
Y N
< 3.0?
Y N
900 -1100? /
N✓
180.0-220.0?
N
.07
Y N
Acceptable Cell Constant range: 4.0 - 6.0
-CIO �
pH (s.u.) Calibration
Confirmation
pH Post Check
Optional"
Std. Value
7
x.xx
10
x.xx
7
x.xx
7
x.xx
10
x.xx
4
x.xx
Temp
�2,
-2- .
42..)
ZZ• ;
Initial
1
�� i
C72., ✓
�Z//�YQ
Theo. pH
0
o
7-
Adjusted
U
After Calibration
Slope (mV)
Slope (% of ideal),
Within ±0.1?
y' N �/
Within ± 0.2?
N u
Within ±0.2?
N
Within } 0.2?
Y N
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book ror detaus
After Calibration, DO sensor value, sp. conductance cell constant and the pH slope/ %slope is recorded from the meter's GLP file
F:1SW1Division FileslWater QualitylMonitoringlReferences\SOPslMeterslCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2048March

CALIBRATION
Date:
Time: �71
Initials: r522�
POST CHECK
s
Date: 7
Time:
Initials: �'-
YSI Pro Plus Mjer Calibra i / Post Check She DURHAM
S/N: // G Hach Turbidity Meter S/N ` 10
Field Crew: e: &, Study:,,l�,' r . 3 'm 8 9
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (*C):
Temp (°C): ZG
DI Hz0 (<0.1}
�yjr
C/}
<0.4 NTU ?
N
Barometric Pressure (InHg):
BP (InHg): 2� o
DO (%)
xx.x
DO (mg/L)
X.
DO (%)
XXX
DO (mg/L)
x.XX
Std: 100 NTU
/ ,
Initial
" 7 , 1'
77
, Z2
Lot #
7f% 2
90 - 110 NTU?
N
Adjusted
7 9 ✓
Std Exp. Date:
`� /
Chart DO (x.xx mg/ DO (%}
Chart DO
.
Turbidity meter lost calibrated �. 2117
Within ± 0.5?
N
Within ± 0.5?
Y N
I Monitoring pH Data I
Min: (Il r"I I
Max: t �f
If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Exprration
M
� 2
d 0/9l7
N1000
I ol
/r le
Post Check- Some Std(D N /
pH Standard (s.u.)
Std
Lot No.
Expiration
7
10
4
Post Check- Same Std. )N
II
Specific Conductance (µS/cm at 25*C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.x
***Dry Air***
X.X
Temp
�•�
S Dry
7
��• `T
�•
Initial
000 -
�y
Z02.
Adjusted
O b
After Calibration
Cell Constant
180.0 -220.W
ty: N
< 3.0?
(� N`�
90 -1100?
Y N
180.0-220.0?
N
< 3.0?
Y N
0
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Optiont",
Std. Value
7
x.Xx
10
x.xx
7
x.xx
7
x.Xx
10
x.xx
4
XAX
Temp
0• A
112 d
Z Ia
2 }
,/
Initial
-7,
C� f10
-O
Theo. pH
` 17f
�0, P
1. Q %
( [
CiL-
Adjusted
/
�f! • j Y
After Calibration"
Slope (mV)
Slope (% of ideal)
Within ± 0.1? j
6J ./
N
Within ± 0.27
Y N d
With' ± 0.Zf�
d
Y N
ithin ± 0.2?
Y N
-17
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope ( % of ideol): 93 % to 102 o ldea! pH slope = 53 mV
*Turbidity meters are calibrated quarterly, see Turbidity Caiibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope/ %slope is recorded from the meter's GLP file
FASW\Division FileskWater Qua lity\Monitoring\References\SOPS\MeterslCalibration SOP\Calibration Sheets & Maintenance LogslCalibration Sheets\YSI-ProPlus Meter Calibration Sheet-
2018March

CALIBRATION
Date:
Time: —7• 10
Initials: P_
POST CHECK
Date: L? Z
Time:Initials:
Monitoring pH Data
7 Min: • 1
Max:
#=if pH is < 6.9, past check with pH 4.0
YSI Pro
�Plus
/M%ter Calib. Dn / Post Check Sheet DURHAM
5/N: `7 54 o Hach Turbidity Meter 5/N 4Q 5�00
// ,��� T I
Field Crew: C� Study: /� >�t 2�;w
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 7
Temp ('C): ,
DI H70 (<0.1)
Q' I
< 0.4 NTU ?
C� N
Barometric Pressure (InHg): 2 � P�
BP (InHg):
r
DO (%]
.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
/9Z
Initial
. 7
• 2
C1 (pZ
2—o
Lot #t
7O Z
90 -110 NTU?
N
Adjusted
- lelo
Std Exp. Date:
'+LGi>S
Chart DO (x.xx mg/ DO (%)
l.%
Chart DO
H
Turbidity meter last calibrated SZ 7 hV
Within ± 0.5?
n i
Within ± 0.5?
Sp. Conductance Standard (µS/cm at
25'C)
Std
Lot Na.
Ex irotion
200
10o0
V -7 f
1112 6/9
Post Check- Some Std ?/Y jN
pH Standard (s.u.)
Std
Lot No.
Expiration
7
[ I
3 zv
10
/7�2- 16�b
Q
4
Post Check- Same Std?/ Y j N
Specific Conductance (4S/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.x
***Dry Air***
x-x
1,000
X.
200
x.x
***Dry Air***
x.X
Temp
$
-Q
7'
7
I
Initial
DZ-
✓
{? O
(i 2
Adjusted
laj76
After Calibration"
Cell Constant
180.0-220.0?
N
< 3.0?
Y N
940"-�100?
CN
180. 220.0?;
Y 1 N
< 3.0?
Y) N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Optionai
Std. Value
7
XAX
10
XAX
7
X.xx
7
X.xx
10
x.xX
4
K.XK
Temp
2,
/7•
IAi
Initial
/D - 0
—7, e!5
05v'
lIL v
Theo. pH
7. Z}
j�' . 0
1, 0 1
10 • Oq
Adjusted
After Calibrationk
Slope (mV)
Slope (%of ideal)
Within ±0.1?
Within ± 0.2?
N :�
Within ± 0.2,?
N
W�'thin - 0.2?
l Y N
Acceptable pHslope (mV/pN): 55 - 60 mV / pN slope ( % of ideal): 93 % to 102% ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
°After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
FASWIDivision F}IeslWater Quality)Monitoring\ReferenceslSOPslMeterslCalibration SOP1Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2018March

CALIBRATION
Date: :i 4! 1i,
Time: 7"3171
Initials:
POST CHECK
Date: 3J
Time:
Initials: C/__1
Monitoring pH Data
Min: . f
Max:
If pH is < 6.9, post check with pH 4.0
YSI Pro Plus Meter Calibration / Post Check SShee "URIiA°
S/N: � -7f,9 Hach Turbidity Meter S/N 699 IN
Field Crew: Cie"' Study: .1 F. n 9
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Barometric Pressure (InHg): 2', J
BP (InHg):
DI H2O (<0.1)
<0.4 NTU ?
N L
Temperature (°C): % S ,
Tempro:
DO (%) DO (mg/L)
Kx.x
DO (%)
xx.x
DO (mg/L)
x.xK
Std: 100 NTU
�� " Z
Initial
rlo + N� � , �.iy
'J,c : ?
3
7
#%�
N
Adjusted
' ..
5td Exp. Date:
Chart DO (x.xx mg/ DO M 9, ,✓
Chart DO
-7
Turbidity meter last calibrated r2 7 f �] ��
After Calibration"
DO Sensor Value Within±0.5�
r Y N s/
Wit in±o.S?
Y N '�
Acceptable DO sensor value range: 4.31 u to 8.00 uA (yellow, 1.25 mil PE membrane)
Sp. Conductance Standard (VS/cm at
25°C)
Std
Lot No.
Expiration
200
j ,
Cr,2 11 ,
1000
-tl I l i A
11 )
Post Check- Some StCN
pH standard J%w.p
Std
Lot No,
I Expiration
7
- j !
1
10
4
~�
r
Post Check- Same Std?G N
Specific Conductance (I-6/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
11000
200
***Dry Air***
1,000
X.
200
x.x
***Dry Air"**
x.x
Temp
L
C�
20 ' �
.�, �
Initial
�/(�
���,
��61
Adjusted
1000 t J
After Calibration p
Cell Constant
180.0-220.0?
Y N ✓J
< 3.0?
Y N
90o -1100?
Y N
180.0-220.D?
Y IN L
< .0?
Y
C75,i✓
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Op€ional "
Std. Value
7
x,ax
10
%.8a
7
x.xX
7
K.Kx
10
x.xx
4
Temp
Initial
, o
o
7
1.0
T • 0 /
, 02
10.0
s 1 ?
.0i
1
[A,:,N,pt.b1,pH,1,pe
Slope(mV)
Slope (%of ideal)
Withi ±0.1?
N Y
Within±0.2?
N
Within ±0.2?
- .1
Y N
II:
��� �.
(mV/pH): 55 - 60 mV / pH slope (% of i eolj: 93 % to 102% Ideal pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
°After Calibration, bQ sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
ib,L�
F.k5W€Division riles♦QuolityIDacs>,StreamMonitoringfWoter Quality LAB Manogernent4Calibration Sheets Maintenance Logsl,Colibration Sheets Revised by D.Mir 3117/17

CALIBRATION
Date:
Time:A�
Initials: ') J- !
POST CHECK
Date:
Time: '
Initials:
Monitoring pH Data
Min: :-.
Max: � V.
If pH is < 6.9, past check with pH 4.0
IAM
Y51 Pro Plus Meter Calibration / Post Check Sheete "+
S/N: 2 ! � Hach Turbidity Meter 5/N
Field Crew: 4r, Study:Y
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Barometric Pressure (InHg). a', ��
BP (lnHg(: • C"
pl Hip (<0.1)
/^�
Q l L /
l
<0.4 NTU ?
Y N
Temperature ('C): 2
Temp('C): 10 ,
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
100
initial
�j
S .3
e
A , Tb
Lot #
$ Z
90 - 110 NTU?
> N
Adjusted
i 00 - �
Std Exp. Date:
Chart DO (x.xx mg/ DO (%)
0-
Chart DO
Turbidity meter last calibrated Z
After Calibration"
DO Sensor Value
Within ± 0.5? .
N `.i
Within ± 0.5?
Y N
i
�
Acceptable DO sensor value range: 4.31 uA to 8.00 uA (yellow, 1,25 mil PE membrane)
Sp. Conductance Standard (VS/cm at
25°C)
Std
tot No.
Expiration
200
7D20
O -
ioil
'7 y1A
I//
Post Check- Some Std?(Y I N '
pH Standard (s.u.w
Std
Lot No.
Expiration
7
t7083(
3 x,�,l d
1U
i6r22
za�8.
4
Post Check- Some Std? Y N
i
Specific Conductance (µS/cm at 25"C) Calibration
Specific Conductance Past Check
Std, Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
O .
2 Q=
Initial
Adjusted
'
After Calibration
Cell Constant
180.0-220.0?
N
< 3.0?
N
90 - 100?
Y N
180.0-220.0?
< 3.0?
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
7
10
x.xx
7
x."
7
](,xx
10
x.xX
Temp
2O,
Z a.
o. 7
1.
Initial
1
/ Ca 10 L
2. 0
I
I - ;
Theo. pH
, p
C` U_ p
"9 1
Q
o
Adjusted
�e
After Calibrationf
slope(l
Slope of ideal)
Within±0.1? ,,
N
Wit in±Q27
y N d
Within ±027
Y N
1m
3
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 Y. to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meters GLP file
F:ISW,Dlvision Files �QuolityiDocsSStreomMonitoringtiWater Quality LAB Management4Calibrotion Sheets Maintenance Logs�Calibration Sheets Revised by D.Mir 3117117

CALIBRATION
Date:
Time:
Initials:
POST CHECK y
Date: 2 3 �Ia
Time: f O
Initials:���
Monitoring pH Data
Min: f
Max: 7, V
R if pH is < 6.9, post check with pH 4.0
YSI Pro Plus Meter Calibi :)n / Post Check Sheet
DURHAM
S/N: = 71 9 Hach Turbidity Meter S//NN 6p O f
Field Crew: �r� 7 , CG Study:: f"br`L!� Z- 1 s 6 9
C .11a-.,
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU) Temperature (°C): 11919Temp
(°C):
DI H2O (<0.1)
&�' ; q '/
< 0.4 NTU ?
Lf N
Barometric Pressure (InHg): _/�1' !�
8P (InHg): Z
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
5td: 100 NTU
Z
Initial
� , '-7
v� r
Lot #
A 70'5Z �
90 - 10 NTU?
) N
Adjusted
/;�
Std Exp. Date:
`j / U
Chart DO (x.xx mg/ DO (%)
,
Chart DO
6�
Turbidity meter last calibrated 1212 l
After Calibration"
DO Sensor Value
Within ± 0.5Y
6)N
Within ± 0.5?
ON
c�4r
Acceptable DO sensor value range: 4.31 uA to 8.00 uA (yellow, 1.25 mil PE membrane)
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
200
✓ Q;2b3
I & ,� el 0
loos
1 1 1 f
Ab .Q
Post Check- Some 5td? bl NJ
PH Standard (s.u.)
Std Lot No.
Expiration
7
7 PA 3I.
J z6%i<
10
Post Check- Same Std? 6 N
Specific Conductance (µ5/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x,
200
x.x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
'2 b,
z0- `
' 1, (�
Initial
7
fj_ '✓
(� ✓
�� 7
2 C�� ,
(�
Adjusted
�?(
After Calibration"
Cell Constant
180.0-220.0?
Y N'
< 3.0?
S N
900 -1100?
® N
180.0-220.0?
d% N
< 3.0?
N
f�
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
�Jptional_
Std.Value
7
x.xx
10
x.xx
7
x.xx
7
x.xx
10
x.xx
4
x.xx
Temp
v,
a,
! ,
Initial
`7,0
a % v
Theo. pH
72• d%
�� •
C�
%. f�
Adjusted
After Calibration
Slope (mV)
Slop %:Qf ideal}
Within ± 0.1?
U N
Within ± 0.2?
i N v
Wit ± 0.2?
N ''
ithin T 0.2?
Y N
6
Acceptable pH slope (mV/p/1): 55 - 60 nV—/-fH slope { % of ideal): 93 % to 102% !deal pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope/ %slope is recorded from the meter's GLP file
i
F: SSWIDivision Files4QualityjDocsIStreamMonitoring4Water Quality LAB ManagementfCalibration Sheets Maintenance Logsl,Colibrotion Sheets Revised by O.M. 121612017

CALIBRATION
Date: L ��
Time: t7 yy
Initials:%
POST CHECK
Date: ;gk bw
Time: f 4 4D
Initials:
YSI Pro Plus
.�Meter Calibr )n / Post Check Sheet DURHAM
S/N: -��YI 2I1 �9 Hach Turbidity Meter S/N J6 y� in
Field CStudy:
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU) Temperature (°C): �� 5
Temp (°C): v-1 3
DI HZO (<0.1}
�. / :f
< 0.4 NTU ?
61� N
Barometric Pressure (InHg): �, g
BP (InHg): 69
DO (%)
xx.x
DO (mg/L)
x.xx
DO (."
xx.x
DO m /L
Ax �
Std: 100 NTU
/�/
Initial
� , 6
; j 7,
"C s
g'�
Lot #
A Z9
90 - 110 NTU?
N
Adjusted
519;
, 6 `, ,
Std Exp. Date:
/ �,
Chart DO (x.xx mg/ DO (%)
9 , -7� .
Chart DO
y u/
Turbidity meter last calibrated
r
After Calibration"
DO Sensor Value
Within ± 0.5?
N
WEENE/A
N
nI
, .�
Acceptable DO sensor value range: 4.31 uA to 8.00 uA (yellow, 1.25 mil PE men$ e)
I Monitoring pH Data I
Min: -. 1 /
Max: —7-6
RIf pH is c 6.9, post check with pH 4.0
Sp. Conductance Standard (µ5/cm at
25°C)
Std
Lot No.
Expiration
200
t 70602 t;
6 Zgr ;
1000
1 ! 7 111 C
" "Is
Post Check- Some Std P Y 1 N
PH Standard Ism.)
Std Lot No.
Expiration
7
l70?3f/A
3 �Zaq r
10
(� 2 Z
4
[7C1031
Post Check- Same Std?(Y r"
Specific Conductance (VS/cm at 25"C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***DryAir***
x.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
(Cl 1
Initial
�(���
��1 . ,f
--•
.✓
O --2- ✓
0,
Adjusted
After Calibration"
Cell Constant
180.0-220.0?
Y N
< 3.0?
N✓
1100?
Y N `'/
180.0-220.0?
Y N
3 0?
Y N J
Q /
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Optional .
Std. Value
7
x.xx
10
x.xx
7
x.XX
7
x.xx
10
x.xx
4
x.xx
Temp
7, 3
171
z
��' J 7.
9
15r, /
Initial
%"Q
/1:9,01
7Qj
—7,0"
Ctj,Q v�
IN Itk—
Theo. pH
% 1 D �-,
/10 1 14
, 0
. 02—
Adjusted
/ : v J
After Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
Y N
Within ± 0.2?
/
Y N ✓
W+ 0.
'
YN
Within ± 0.2?
Y N
J
Acceptoble pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pN slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, AO sensor value, sp. conductance cell constant and the pH slope/ %slope is recorded from the meter's GLP file
N
F:4SMDivision Files;QualityyDocs4StreamManitoring�Water Quality LAB Monogement4Calibration Sheets Maintenance LogstiCalibration Sheets Revised by D.M. 12/612017

CALIBRATION
Date:
Time:
Initials: G�i
POST CHECK
Date: - 1 h
Time: l 4 0
Initials: cc
Monitoring pH Data
Min:.
Max: �+
If pH is < 6.9, post check with pH 4.0
YSI Pro Plus Meter Calibr )n / Post Check Sheet DURHAM
S/N: �-r� l I Hach Turbidity Meter S/N j,Sa(p
Field Crew: G (, Study:_'400 v
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU) Temperature (7):
Temp (°C):
DIHz0(<0.1}
.
<0.4 NTU ?
Y N
Barometric Pressure [nHg}: �� c7L�
BP (InHg): . j �
DO (%)
xx.x
DO (mg/L)
x.Xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
r
G� _`; (�
Initial
1 3
i L , Z
*15 (C
Lot #
5
90 - 110 NTU?
Y N
Adjusted
cie,,
Std Exp. Date:
5 _ I /
Chart DO (x.xx mg/ DO (%)
Chart DO
C CI
Turbidity meter lost calibrated 2- Z } _
After Calibration
DO Sensor Value
Within ±0.5?
N
Within ±0.5?
Y
Acceptable DO sensor value range: 4.31 uA to 5.00 uA (yellow, 1.25 mil PE membrane)
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
N1000
Po(,,o 13
oo (b .`
1 2r,00 2-A
I OU j b •
PuLChgck_ Some Std? Y -
i
pH Standard (s.u.)
Sid
Lot No.
Fxpiration
7
170 31 A
03 ZOJ'�
10
(e i ZI! %
-I
4
Al%A
/Zolb"
JU/ A
Post Check- Some Std Y)N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X,
200
X.X
***Dry Air***
x.x
1,000
X.
200
X.x
***Dry Air***
X.X
Temp
Initial
C
20 . 3 �'
�' �`
i D !
2(2(0, d
Adjusted
I oo 1 ;
After Calibration
Cell Constant
180.0-220.0?
Y) N
<•• 3�A?
% 1N ,
900 -1100?
�Y� N �
180.0-220.0?
(N
< 0? _
(N
5 0 ..I
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
O tinn2i
Std. Value
7
x.xx
10
x.xx
7
x.Xx
7
x.xX
10
x.xx
Temp
1Le �
-+
1-7 Ll
Ai
Initial
r D
, Oc
U /f
�, C%L'� J
II,- I ")
Theo. pH
a
10 10
3,01
'
Adjusted
After Calibration
Slope (mV)
Slope (% of ideal)
Wit ± 0.1? :
y � N ��
With' ± 0.2?
Y N ''
Wit ± 0.2?
Y N �
Withl3i ± 0.2?
Y N
S 3 �
� .� f'
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meters GLP file
'-
Vv A '�
U- U
�k6
Pr SMDivision Files 4QualitylDocslStreamMonitoringti Water Quality LAB MonagementtiCalibration Sheets Maintenance Logs>calibration Sheets Revised by D.M. 121612017 ox

YSI Pro Plus Meter Calibl )n / Post Check Sheet DUHHIM
S/N: 7-7 1 �iy Hach Turbidity Meter S/N
�r PLC /!/UtPJI G Field Crew: C l 0 M Study: Am�
�v r^
CALIBRATION
Date: 1>y I �/
Time: u . C00
Initials: Tc—
6Nea
POST CHECK
Date:
Time: (]
Initials:
Monitoring pH Data
Min:
Max: �. S
If pH is < 6 9, post check with pH 4.0
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check G.
Turbidity (NTU) Temperature ('C): I 6
Temp ('C): -c
� Di HZO (<0.1)
< 0.4 NTU ?
Y N
Barometric Pressure (InHg): L j, 05
BP (InHg): All -1
DO (%)
xx.xq,
DO (mg/L)
x.xx
DO (%)
DO (mg/L)
Std: 100 NTU
Initial
Lot f#
90 - 110 NTU?
Y N
Adjusted
Std Exp. Date:
Chart DO (x.xx mg/ DO (%)
C1, I
Chart DO
Turbidity meter last calibrated
After Calibration"
DO Sensor Value
Within ±0.5?
O N ei
Within ± 0.5?
N
3.11 ;' I
Acceptable DO sensor value range: 4.31 uA to 8.00 uA (yellow, 1.25 mil PE membrane)
Sp. Conductance Standard (VS/cm at
25°C)
Std Lot No.
Expiration
200
j a 6 6Z F
061zol
saoo
!
Post Check- Some Std?t D N
pH Standard (s.u.)
Std
Lot No.
Expiration
10
4
Post Check- Same Std? (Y } N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
(C .
6
7 T
177
D
Initial
t�10 1-1
L 6� . �'
Q
E 0 b 5•
zo 5
�.
Adjusted
i 000
After Calibration"
Cell Constant
180.0-220.0?
Y N
< 3.0?
Y N
90 -1100.
Y N
180_ 220.0?
Y N
< 3.0?
Y N
C)o
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
7
xxx
10
x.xx
7
x.xx
7
x.xx
10
x.xx
Temp
Initial
`1. C4
—7, (2 ;'°
0Ljv"
Theo. pH
7 Z
0• (O
7,0Z
} U
Adjusted
After Calibration"
Slope (mV)
Slope (% of ideal)
Wit Xn ± 0.11E
N
Wit ± 0.2?
Y
Wi 0-1 ± 0.2?
N
Within ± 0:2?
Y N
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp, conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
VISO-C
j
F:SSMDlvision Fifes IQuality,Oucs}StreomMonitoringlWater Quality iA8 ManagementiCafibrotion Sheets Maintenance LogstiCafibration Sheets Revised by➢.M. 121612017

CALIBRATION
J
Date:
Time: r-;0-
Initials: : L41
POST CHECK
Date:
Time:
Initials:
YSI Pro Plus Meter Calibr )n / Past Check Sheet DURHAM
S/N: J,%� j r Hach Turbidity Meter S/N In
FieldCrew: ! : Stud}t' n;/+Y7L" 4_! .�.Z�i a 6 9 /f
��.� ✓�l �!/'f � � � ! n �� i'S�/�� ll iT' �'i J/1 //,3'.�a � / _ .r' ".�/ /� I7 � f._: i sY/�h rS/��
Turbidity Pre -Trip Check*
Dissolved Oxygen.(DO) Calib ron
DO Post Check
Turbidity (NTU)
Temperature ('C): / �.
Temp ("Q
DI Hz0 (<0.1}
4" i' "
<0.4 NTU ?
N
Barometric Pressure (InHg): �,
BP (InHg):
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
t
Initial
Lot #
.. 70`_9 1—
90 - 110 NTU?
N °'
Adjusted
�` , ✓
v
5td Exp. Date:
OiLoj ,'
Chart DO (x.xx mg/ DO (%)
Chart DO
Turbiditymeter last calibrated �z 27 (7 /'
After Calibration"
DO Sensor Value
Within ±0.5?
N
Within ±0.5?
Y N
-�
Acceptable 00 sensor value range: 4.31 uA to 8.00 uA (yellow, 1.25 mil PE membrane)
I Monitoring pH Data I
Min:
Max:
If pH is < 5.9, post check with pH 4.0
Sp. Conductance Standard (115/cm at
25°C)
Std
Lot No.
Expiration
200
7 G),2_g
2c �
loon
/ 7 060Z A
Post Check- Some Std? Y N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
3
,
10
4
7 0,
Post Check- Some Std? Y N
Specific Conductance (µ5/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
�Cv +
—7
Initial
4, Z
to
Adjusted
%4 eo
After Calibration"
Cell Constant
180.0-220,0?
Y N
< 3.0?
N
900 -1100?
Y N
180.0-220.0?
Y N
< 3.0?
Y N
Acceptable Cell Constant range: 4.0 - 6.0
Z`� f r� P
�!5/P . ��L�� G�1���5f� C,z�"�l>t CG��Ci,^�•�lr� ���?e .17U� f/�r'l �C'.t,✓
pH (s.u.) Calibration
Confirmation
pH Post Check
Optional"
Std. Value
7
x.xx
10
x.xx
7
x.xx
7
x.xx
10
x.xx
4
x.xx
Temp
�y
Initial
''-2
�a`
` '70
Theo. pH
�, C�
d • f d
7,U�
Adjusted
After Calibration"
Slope (mV)
Slope (% of ideal)
W�hln ± 0.1?
/Y) N
Within ± 0.2?
Y N
Within ± 0.2?
Y N
Within ± 0.2?
Y N
(� ,-7
'
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pH slope = 55 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, p0 sensor value, sp. conductance cell constant and the pH slope /%slope is recorded from the meter's GLP file
P: SWIDMsion FilesWuality�DocsVtreamMonitoring5 Water quality LAB MonagernentiCafibrotion Sheets Maintenance Logs jCalibration Sheets Revised by D.M. 121512017

CALIBRATION
Date: 1 G j i
Time: Tl
Initials: 1 c
POST CH ECK-
Date: 0 ( UZ 1
Time: 6 , 1
Initials: C C—
Monitoring pH Data
Min:
Max: 1
Sp, Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
j - o cc Z
0C-
1000
62
e
Post Check- Some Std?/Y JN
pP4 Standard (s.u.)
I
Std
Lot No.
Expiration
7
10
t Z. Z 1 E
4
1 g
Post Check- Same Std? Y N/)
YSI ProDSS Meter Calibration / Post Check Sheet
S/N: Hach Turbidity MeternS/N
Field Crew: Study: T M )i 1 P L/1
1
Turbidity Pre -Trip Check'
y p
Dissolved Ox en D li rat
yg (_. Yfe .lon
DO Post Check
Turbidity (NTU)
Barometric Pressure (InH& 4 `
BP (1nHg): ` Q os
V `3
<0.4 NTU ?
N
Temperature (°C): � r � J,..J
Temp(°C):
Cc
Initial
DO 1%)
xx.x
�Q� ,
DO (mg/L)
x.xx
0 S
DO (%)
xx.K
DO (mg/L)
x.XX
Std: 100 NTU
l V `�
Lot #
S Z "
90 - 1 0 NTU?
Y N
Adjusted -
0
(U , Q "
Std Exp. Date:
Q j I
Chart DO (x.xx mg/L)
Chart DO
Turbidity Meter last calibrated Z ✓
000gain
After Calibration" U� `;
Within±0.5?
vs
N
Within±0.5?
Y N
Acceptable ODD range is 0.75 to 1.50
Specific Conductance (µ5/cm at 25°C) Calibration
Confirmation
Specific Conductance Past Check
Std. Value
1,000
%.
***Dry Air***
%.x
Z�;5 —
X-X
1,000
***Dry Air*'*
—.w—
Temp��--
Initial
{00
`t E� ' L
GQ,
-'1
I
Adjusted
CUO G)o ,:
C7 '• 3.y
.
After Calibrationk
Cell Constant
0?
N
45.0 - 55.0?
Y N
900 -1100?
Y N
< 1.0? j
Y N
45. 55.0 t
Y N
�_r)lY
Acceptable Cell Constant range: 4.5 - 6.5
Depth (m) Air Calibration
Adjus
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
7
XAK
10
X.KK
4
K.xX
7
X.XX
7
X,XX
10
X.%x
4,
X.%%
Temp
1(L.
!
'1
, C
C(-
Initial
I I c
� 0r
, C70
F,
.
- 04
,3 C
Theo. pH
[C
{� V
jC)C)
M I
Uri
Adjusted
C •,
After Calibration"
Slope (mV)
Slope (%of ideal);.
Within ± 0.1?
N
With + 0.2?
'�
Y N
Within ± D.2?
Y N
Within ± 0.2?
Y N
C 7Y
Acceptable pH slope (mV/pH): 55 - 60 m V / pH slope (% of ideal): 93 % to 102% fdeol pH slope = 59 mV
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
4After Calibration, 0D0 gain, sp conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
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F:1SW0vision FileslOnafitoDocslStreamMonitoringl Water Quality LAP ManagernentlCaffbration Sheets Maintenance LogslCafibration Sheets
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CALIBRATION
Date: rl (/O2l 1
Time: T
Initials: 4 L
POST CHECK
Date:
Time:
Initials:
YSI Pro Plus Meter Calibr m / Post Check Sheet
S/N: S 6 2 I Hach Turbidity Meter S/N 5(Dtom
Field Crew: 1 �- ' L cL Study: Ater &) 01
DURHAM
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU) Temperature ('C): t 5, 1
Temp (°C):
DI HZO (<0.1)
�, 6
< 0.4 NTU ?
Y N
Barometric Pressure (inHg): '� G 5$
BP (InHg):
DO {%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
Initial
{ 71
D. I S
Lot #
o S'Z
90 - 110 NTU?
Y
Adjusted
fl
( L C>10,09
Std Exp. Date:
95 /Lo i
Chart DO (x.xx mg/ DO (%)
10, 1
Chart DO
-7N
Turbidity meter last calibrated D z•7
After Calibration'
DO Sens r Value
Within ± 0.5?
C) N
Within ± 0.5?
Y N
i
Acceptable DO sensor value range: 4.31 uA to 8.00 uA (yellow, 1.25 mil PE membrane)
I Monitoring pH Data I
Min:
Max:
- If pH is < 6.9, post check with pH 4.0
Sp. Conductance Standard (1A5/cm at
25-C)
Std
Lot No.
Expiration
200
C6.01 g
06 2' 1 �
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I b LOZ 11
LSE 8
Post Check- Same Std? Y N
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Std
Lot No.
Expiration
7
I o8 (!1
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10
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07/zc1
4
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Post Check- Same Std? Y N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
x.x
***Dry Air***
x.x
1,000
x.
200
x.x
***Dry Air***
x.x
Temp
G =
b
I �( 5
Initial
10 C
-L 0
1
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After Calibration
Cell Constant
180.0.-220.0?
i`
Y N
< 3.0?
N
900 -1100?
Y N
180.0-220.0?
Y N
< 3.0?
Y N
�. t
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Genf i r m at Zff'
pH Post Check
Optional "
Std. Value
7
x.xx
10
x.xx
7"'-1
x.xx
7
x.xx
10
x.xx
4
x.xx
Temp
16 Z
1 � . �
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Initial
-7. 11
10. 04
00
Theo. pH
7.03
{ 0. I 0
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Adjusted
-� _ C16,
After Calibration
Slope (mV)
Slope (% of ideal)
Wit n ± 0.1?
Y N
Within ± 0.2?
Y N
Within ± 0.2?
Y N
1Nithin ± 0.2
Y N
fj U`�S
9 y
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% !deal pH slope= 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope/ %slope is recorded from the meter's GLP file
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F: JSW�Division Files jQualitySDocsl.StreamMonitoring4 Water Quality LAB Monagementf Calibration Sheets Maintenance Logs�Calibration Sheets Revised by O.M. 121612017

CALIBRATION
Date:
Time: T H 2—
Initials: I {
POST CHECK
Date:
Time:
Initials:
Mcnitoring pH Data
Min:
Max:
If pH is < 5.9, post check with pH 4.0
YSI Pro Pius Meter Calibr )n / Post Check Sheet DURHAM
S/N: ! 1j Hach Turbidity Meter S/N
Field Crew: ! < L Study: Mk c l 0 � i_ e 6.9
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU) Temperature ("C): I rj
Temp (°C):
DI HZO (<0.1}
C�
< 0.4 NTU ?
CY> N
Barometric Pressure (InHg): 4j �
BP (InHg):
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XX.X
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X.XX
DO (%)
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art j
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., Za t
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Chart DO
Turbidity meter last calibrated i % Z �1 ?
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�
(Y), N
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5p. Conductance Standard (µ5/cm at
25°C)
Std Lot No.
Expiration
2D0
1000
Post Check- Some Std? Y N
pH Standard (s.w.)
Std
Lot No.
Expiration
7
10
4
Post Check- Same Std? Y N
Specific Conductance ([AS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.X
***Dry Air***
X.X
1,000
X.
200
X.X
***Dry Air***
X.X
Temp
Initial
Adjusted
After Calibration"
Cell Constant
180.0-220.0?
Y N
< 3.0?
Y N
900 -1100?
Y N
180.0-220.0?
Y N
< 3.0?
Y N
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Qptiar I
Std. Value
7
X.XX
10
X.XX
7
X.XX
7
X.XX
10
X.XX
4
Temp
Initial
Theo. pH
Adjusted
After Calibration'
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
Y N
Within ± 0.2?
Y N
Within ± 0.2?
Y N
Within ± 0.2?
Y N
Acceptable pH slope (mV/pH): 55 - 60 mV /pH slope { % of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
F: tiSW�Division Files!QuolityIDocAStreomMonitoringlWoter Quality LAB Monagement�Calibration Sheets Maintenance LogslCalibration Sheets Revised by D.M. 121612GI7

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sm: 100 Nm
Lot *I
91.1 '/
A0
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H
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99.1
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CAIIBBATION
Dateoq o -I
Tema. C1 .2�
moral. �1'\
Fail
Data Oq-04-l%
Time za 3c J/
wul`z, I I
Paul p pN Me
Min : IS /
III pH 116i 9, posN Check wI✓pH 40
He. Carduccurs, m0aN 1p5/an at
lue
Ge mtNe splmnpn
acp I,}11�i'a t'ie\g
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P=Check-somesm v N
pnA 6N1 1
sm m naron
bD sho 11
10 i�llbC Slzolq
Part cars sum, Sw(Y, N
VSI Pro Plus Meter Collins, in if Post Check Sheet
sm 421o1a i I ch wmmrcv MIt, r vryis
lame: t1;RL swer�ust�6'ln ahV ltic.
nmialty ReTIP
-
Ilbmfon
a CM[k
Do Pact
mmIaININmI
- crel'fiJ
4li
mp
<Byrvru
Pressure
1q.t95
BPunHet
q
DIH,DImel Q.2y '
l
oral
m Q
l.yv
DO (a)
08��
mlmelq
am
5m 100NT0
q8. }
ml»n
19
N110 NmT
v N
nelnnen q
-33
aa2PPData
Chair u0(1"'a
8-3 H.
shut DO
,O
in 2sal I
- -
wmnm.o.n
Turnerrn mererlott aonmoree
SPSIIk C:mM:t,nae final at 2V )Calibration
aeo,flc Conauttanee Past 6M1mk
SIJ. Value
Low
20
"Di Ar
1.00
3W
a
^Dry Air"'
1.
Tem
''I.
el 12 i
2.to
el
fllC"It"1
A - ,
Hurt200?
cv ry
ca0?
un-1100i
N
lwa-2m.0
a3M
Adj
,,,.aAftcr
al,hrat
rmprablc Cell Carutanrranpe4.0.6.0
px la. u. I CaNbrourn
pH Pon one
sw. Value T 10
1 10
S.
Temp
i`A-�
'L43
2 1S.
;15
roan
a.o \
R'+4
Q ✓
e 1'
o_
The p
1.oa
o. 0
0
7.a
O'er
A<In a
0.02,
5100fai
slopel%pnaeaB
z0.n
IOiI .un
Arte,o t
6 ry
N
O N
v
ys.
1 L.'
G
0.1
Ae[eplublepMilopelmV/pHj' 55.WmV/pl,lopel%oliestat
P5%tot@%
Turriday Me, are calibrated quarters, see Turadity C'suctul Mae III details
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CALIBRATION
Date: \ Cl - OZ-i
Time:
Initials: S ��
POST CHECK
Date: 1 D/ 2I t $
/r
Time: I`4'3o_
Initials: 61.
Monitoring pH Data
Min: T6.8 f'
Max: 7. 2 !
if pH is < 6.9, post check with pH 4.0
YSI Pro Plus Meter Calibr, in / Post Check Sheet DuR `Am
S/N: �} 1J co Hach Turbidity Meter S/N � (9 05 1
Field Crew: Study: INY`() V12 04 �„ a„6 L9
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature (°C): 2'2 _
ay. z
Temp (°C): 11 mLi
DI Hz0 (<0.1)
' Z
< 0.4 NTU ?
N
Barometric Pressure (InHg): 2� _ 8 }
BP (InHg): 2y_-IL5_
DO (%)
xx.x
DO (mg/L)
x.xK
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
j C)
Initial
4�C�
Lot #
Q6 QZq
90 - 10 NTU?
N
Adjusted
,
Std Exp. Date:
`
Chart DO {x.xx mg/ DO (%)
'3
Chart DO
�.28
Turbidity meter last calibrated aa- Zb /
V
Within ± 0.5?
N
Within ± 0.5?
Y N
Sp. Conductance Standard (pS/cm at
25°C)
Std
Lot No.
Expiration
200
t j)13
t+
1000
h
a
Post Check- Some Std?i Y� N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
\ LQ p
S 1
10
(�Litb E
Sl1 °1
Post Check- Same Std?�11 N
Specific Conductance (VS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
200
***Dry Air***
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
2�1.3
2 Ll- �-
Z3-5
5.2
2.5-.0
Initial
IDa
— ✓
qb
2oy.4
0
Adjusted
I I O 0' L ✓
After Calibration"
Cell Constant
180.0-220.0?
O N
< 3.0?
y
900 -1100?
1 © N
180.0-220.0?
Y( N
< 3.0?
QY N
5;
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u,) Calibration
Confirmation
pH Post Check
Std. Value
7
x.Kx
10
x:xx
7
X.XX
7
x.xx
10
x.xx
i
Temp
Z 2
,, q
Z 3.
2s 1
25.1
S. l
Initial
`] . Q 3
d
v/
7. O ✓/
10.07
Theo. pH
03
� C} . OZ
.0J0
7.00D
1 D - 0 1
4.t71t
Adjusted
4
1 �' • �'L �J
After Calibrations
Slope (mV)
Slope (% of ideal),
Wit n ± 0.1?
N
Within ±0.2?
N
Within ± 0.2?
N
Within * 0.2?
Q N
- - O tij .�
0�1 1 V
Acceptable pH slope (mV/pH): 55 - 60 mV / pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 m V
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
sAfter Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
Oid nN
ri k Ch eC.y,
PC4
aI
I OW
F:\SW\Division Files\Water Qua lity\Monitoring\References\SOPsWeters\Calibration SOP\Calibration Sheets & Maintenance LogS\Calibration SheetsWSI-ProPlus Meter Calibration Sheet-
2018March.xlsx

CALIBRATION
Date: 0c�-1
Time: 2 C
Initials: S
POST C `1CK
Date: vy �'l$
Time:
Initials:
Monitoring pH Data
Min:
Max: f
4} If pH is < 6.9, post check with pH 4.0
YSI Pro Plus Meter
fM,,eter Calibre. _in / Post Check Sheet DUNHAM
{
S/N: "i3 0('0 Hach Turbidity Meter S/N 1,0�0 () 5 in
Field Crew: �� L Study: 'a 9
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity INTO)
Temperature (°C): 3
Temp (°C):2.
DI H2O (<0.1)
< 0.4 NTU ?
N
Barometric Pressure (InHg): Z (�. v
BP (InHg):
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
X.XX
Std: 100 NTU
l
1
Initial
I `j 1.
a , �D
ctk4_
OCL
Lot #
Fl a 0 Zq
90 - 110 NTU?
Y N
Adjusted
: q . 1
S I, ,
Std Exp. Date:
lA t/
Chart DO (x.xx mg/ DO (%)
ca , 3 ,;
Chart DO
a
Turbidity meter lost calibrated i ('� - Q Z ` l V �.
Within ± 0.5?
Y N
Within ± 0.5?
Y N
Sp. Conductance Standard (µS/cm at
25°C)
Std
Lot No.
Expiration
200
f l l ( B
Itt 11
1000
j l [ la rA
11 1
Post Check- Some Stdt 1y) N
pH Standard (s.u.)
Std
Lot No,
Expiration
7
14 111l00
5
la
I� ltlln E
5 �l
4
��ltlla�
11�1�r
Post Check- Some Std?,(!)
N
Specific Conductance (µS/cm at 25*C) Calibration
Specific Conductance Post Check
Std. Value
1,000
X.
200
X.x
***Dry Air***
x.X
1,000
X.
200
XA
***Dry Air***
x.x
Temp
t ut . 5
2
2 5_ 3
'L 5. 'I —
Initial
Q Q S
Z G i zz
_- --
[ 4 dl0
Z ei 5
——
Adjusted
l O d C) -
After Calibration"
Cell Constant
180.0-220.0?
O N
< 3.0?
N
900 -1100?
N
180.0-220,0?
N
< 3.0?
Y N
�- q � J
Acceptable Cell Constant range: 4.0 - 6.0
pH (s,u.) Calibration
Confirmation
pH Post Check
Std. Value
7
X.XX
10
X.XX
7
XAX
7
XAX
10
X,XX
Temp
. Z
i
Z S. Z
L
Z
Initial
1 5
"1 . U O
-1. O �-'
G.
3. 0. 0/
Theo. pH
.01
-1. Q ©
fl o
C) - C+ t,
L11.0 t
Adjusted
After Calibration"
Slope(mV)
Slope (%of ideal)
Wi n±0.1?
f „t N
Within ±0.2?
N
Within ±0.2?
O N
Wi bin±0.2?
Y N
is Y-ts
e Q� �:'
Acceptable pH slope (mVIpH): 55 - 60 mV /pH slope (% of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
i
\ o�
FASMIDivision FileslWater Qua IitylMonitoring`ReferenceslSOPslMeterslCalibration SOPICalibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2018March.xlsx

CALIBRATION
Date: 10
Time:
S f
Initials: �`
POST CHECK
Date: C L /1$
Time: j '•oo
Initials:
Monitoring pH Data
Min: b,s
Max: 7. Li o/
If pN is < 6.9, post check with pN 4.0
YSI Pro Plus Meter Calib. _Jon / Post Check Sheet DURHAM
S/N: � JLp kO Hach Turbidity Meter S/N U0 0 5 I
S� [RL ( S ���'el� y. 2
Field Crew: av<! �} Stud A mb� PCl� D V l a 6 9
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Past Check
Turbidity (NTU)
Temperature ('C):
Temp ('C): tI
DI H2O (<0.1)
��
< 0.4 NTU ?
O N
Barometric Pressure (InHg): 1q.
BP (InHg): 2q 6 8q
DO (%)
xx.x
DO (mg/L)
x.xx
DO (%)
xx.x
DO (mg/L)
x.xx
Std: 100 NTU
C)
Initial
5• J
(a . QS
g2,16
S•
Lot #
} Cl q
90 - 110 NTU?
Y N
Adjusted
CJ Q . Z
3 C� /
Std Exp. Date:
1
Chart DO (x.xx mg/ DO (%)
35 i/
Chart DO
j
Turbidity meter last calibrated � Q - oz —1 � `
V
Within ± 0.5?
N
Within ± 0.5?Y
Q N
Sp. Conductance Standard (µ5/cm at
25°C)
Std
Lot No. Expiration
200
k7VIMOR
"
1000
11 --((I �0
I I � 06
Post Check- Some Std? Y N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
l -AFk
s11al
10
4
'Post Check- SameStd-? Y--N -
Specific Conductance (µS/cm at 25'C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x.
200
x.x
***Dry Air***
X.x
1,000
X.
200
x.x
***Dry Air***
x.x
Temp
-Z3.
1� a
22.
'ILl-7
4-5'
Initial
0( cc
2 O4
2014.
a
Adjusted
too Q
After Calibration'
Cell Constant
180.0-220.0?
Y N
< 3.0?
Y
900 -1100?
N
180.0-220.0?
N
< 3.0?
Y N
_�- '
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
7
x,xx
10
x.xx
7
x.xx
7
x.xx
10
x.xx
Temp
23 • Q
p1
Z
z+ .5
Zq. S
lLtA
Initial
—1.ak
(o. Q2
. 00 -
7.0Z
lo.o< :'
3.59
Theo. pH
0 0
( O O
G O
7.00
t0 -Oi
Adjusted
[ (3 - o 2
After Calibrationx
Slope (mV)
Slope (% of ideaj)
Within ± 0.1?
(�
`= N
Within ± 0.2?
� N
Within ± 0.2?
O N
Within ± 0.2?
© N
�j
Sta - q'
S
Acceptable pH slope (mV/pN): 55 - 60 mV / pH slope { % of ideal): 93 % to 102% Ideal pH slope = 59 mV
*Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
xAfter Calibration, DO sensor value, sp. conductance cell constant and the pH slope / %slope is recorded from the meter's GLP file
F:ISWIDivision FileslWater Qua litylMonitoringlReferenceslSOPsWeterslCalibration SOP1Calibration Sheets & Maintenance LogslCalibration SheetslYSI-ProPlus Meter Calibration Sheet-
2018March

CALIBRATION
Date: l
Time: ? r
Initials: I
POST CHECK
Date: iI I (" rr?.,
Time: Ui}
Initials:
Monitoring pH data
Min: (0. 'Z_
Max: id • 1'
If pH is < 6-9, past check with pH 4,0
YSI Pro Plus Meter-Calib, _.ion / Post Check Sheet
5/N: r' Hach Turbidity Meter S/N a 7 po
Field Crew: Study L .'*,�
Turbidity Pre -Trip Check`
Dissolved Oxygen (DO) Calibration
DO Past Check
Turbidity (NTU)
Temperature ('C): 2
Temp ('C): 14-3
c 0,4 NTU a
+� N
Barometric Pressure (InHg): ! a
BP 1nH
DO t%tif
xx.x
DO {mg/L)
xxx
DO (95}
xx.x
DO (mg/L}
x.xx
Std: 100 N L)
t'd 2
InittaiEM
too.(,
rj
l
2
Lot#j
OVAY
90 - 110 NTIJ?
N
-
Adjusted
5td Exp. Date:
Y`
Chart DO (x.xx mg/ DO [�j2
Chart DO
Turbidity meter fast calibroted 119 2 '_ �$ _
Wit n ± 0.5?
N
EY
Within ± 0-5?
5p. Conductance Standard (µS/cm at
2s°q
Std
Lot No-
Expiration
200
[ `� l
11 7 a
loco
F ? d
zol S b
Past Check- Some Std N
pH Standard js.u.}
Std
Lot No-
Exp rotion
7
10
?f�
4
I
li
Post Check- Some, 5tdN
Specific Conductance (µS/cm at 25'C) Calibration
Specific Conductance Past Check
Std- Value
1,000
200
"*DryAir'**"
XA
1,000
x.
200
%.%
`""Dry Air` •'
x.x
Temp
Z 2_
2 2. 'L
�3. -3
3. l
Initiai
6iq C
203 3
'
Adjusted
p
After Calibration'
Cell Constant
180.0-220,0?
N
c 3.0?
N
900 -1100?
Y N
180.O-220.0?
N
a 3,0?
Y N
cceptable cell Constant range-- 4.0 - 6.0
PH (s-u.) Calibration
Confirrrtiation
pN Post Check
Std. Value
7
Jr,xx
10
w ,a
7
x.xx
7
x.xx
10
xua
Temp
Iy
2 .
� 3zs
Initial
7 • L/
127• Q
—7, 0
to . O
Theo, pH
, Q
P -
'7• d
. {]
Adjusted
Aker Calibration`
slope (MV)
Slope (% of ideal)
Wit n ± 0.1?
N
With' ± 0.2?
Y N
Within ± 0-2?
N
Acceptable pH slope (m V/pH): 55 - 60 mV /pH slope ( % of ideal): 93 % to 10296 Ideal pk slope = 59 mV
' rurdidity meters are calibrated quarterly, see Turbidity Calibration 800k for details
°After Calibration, 00 sensor value, sp, conductance cell constant and the pH slope / % slope is recorded from the meter's GIP file
F:ISWUvision FileslWater QualitylMonitoringlReferenceslSOPslMeterslCalibration SOP\Cailbration Sheets & Maintenance LogslCalibration SheetsWSI-ProPlus Meter Calibration Sheet-
201 BlVarch

CALIBRATION
Date.- It i -V I 1 %
Time: O -fi 3d
Initials: SH
POST CHECK
Date: 1111-7/1
Time: 13:34"
Initials:
YSI Pro Plus Meter Calib.-don / Post Check Sheet 914k[A"
S/N: LD � Hach Turbidity Meter S/N �Dto Q 5 In
Field Crew- L_ Study: Rmbizn�_ ( 02 _ 15 s s
Turbidity Pre -Trip Check*
dissolved Oxygen (DO) Calibration
DO Pcnt Check
Turbidity (NTu)
Temperature (`C)- 2S
Temp (°C): 2.s.s
DI H,0 {¢0.1)
Q. >�
�
0.4 NTLI ?
N
Barometric Pressure (InHg) 7..�.
BP InH
( g}' Zit .6 1$
DO (T,)
xx x
DO ling/Li
KAK
DO J%)
xx..x
DO img/L)
xxu
Std: 100 NTu
L a i
Initial
} , 8
5. 1' 0
Lot #
j{$ 07-9
90 -( �l0 NTu?
y`J N
Adjusted
It
Std Exp. Date:
Chart Da (x.xx mg/ ❑O 0/1
`j _
Chart DO
Turbidity meter lost calibrated to-01-18
Within ± 0.5?
N Y
Within ± 0.5?
(J N
I Monitoring pH Data I
Min:
Max: y
tf pH is r 6.9, post check with pH 4.0
Sp. Conductance Standard (µSjcm at
25°C)
Std
t tot No.
Expiration
zoo
11 118
1000
�} l LO
11 1 4 b '
Past ( heck- Some St" N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
V�11►IDD
10
t1►oc-
Sheii/
4
171ti6G
tti l8
Post Check -Same Std 1 V"1 N
Specific Conductance (VS/cm at 25'C) Calibration 1
Specific Conductance Post Check
Std. Value
1,000
x.
200
t-a
—Dry Air'
a.x
1,000
x-
200
x,R
"'Dry Air`
a.x
Temp
41 • S
Initial
QtM
❑
q4A -
Zn 3. 7
a
Adjusted
1000
After Calibration'
Cell Constant
180.D-220.0-1
Ya N
3.0?
J N
900 -1100?
C) N
180.0-220.0?
Y N
c 3.0?
O N
9_+
Acceptable Celt Constant range: 4.0 - 6.0
pH Is.u.) Calibration
Confirmation
pH Post Check
Std, Value
7
10
7
7
10
Temp
`�..
Z
Z.
214.6
Z4 -7
Initial
of
� d Q 1
Q
7- C) I f`
10.0.
of
Theo. pH
•� G
"L
�`]
7. Do
lox I
Adjusted
10. o'
After Calibration"
Slope (mV)
Slope (% of ideal)
Within ± 0-1?
Within ± 0.2?
Within ± 02?
-%�,
❑
Acceptable pH slope {mV/pH .- 55 - fi0 mV / pH slope (% of +deal): 93 % to 102% ldeol pk slope = 59 m V
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meter's GLP file
F:1SWlaivision FileslWater Qua IitylMonitoringlReferenceslSOPslMeterslCalibration SOP1Calibration Sheets & Maintenance LogslCalibration SheetsffSI-ProPlus Meter Calibration Sheet-
2018March

CALIBRATION
Date. I►IIS/16 _
Time: Q7' 4D
Initials: GL
POST CH E t<
Date: /Y
Time: J7 i
Initials:
Monitoring pH Data
Min: _ �. -
Max: V
If pH is c 6.9, post check with pH 4.0
YSI Pro Plus Meter Calib, -pion / Post Check Sheet -"";
S/N: LtSb(. Hach Turbidity Meter5/N 4&Qi, 65'00
Field Crew:JSz , J)M Study: �,, L,;.-• D 3 .y
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature {`C}: 21. b
Temp ('C): 2 f .
❑I H20 (a0.1)
� S7 •
0.4 NTU ?
Q N
Barometric Pressure (lnHg)- z4, S7 5
BP (InHg): 2 7
DO (%)
Xx.x
DO (mg/L)
X,XX
Da (%)
Mt.x
DO (m&/L)
X.XX
Std: 100 NTU
�7• L
Initial
C17 , q
b
?7 Z2
0 ,�j
Lot #1
ASo-L-,
90 - 110 NTU?
N
Adjusted
U .11
8 .,66
Std Exp. Date: I
M, _ (at
Chart DO (x_xx rng/ DO (%)
13,7S _
Chart DO
Turbidity meter last calibrated 10102.11 $
Within ± 0.5?
Q N
Within g 0.5?
N
Sp. Conductance Standard iW/crn at
2S-q
Sid
Lot No.
Expiration
200
t►►61S
tt zo, B
1000
I-71tL &A
(111Di
Post Check- Some Std? (D N
pH Standard (s.u.)
Std
Lot No.
Expiration
7
i71116Z)
6/told
10
i'7 1.116E
S/7olq ..
4
17IL "A bL
LLI 1-01 b
Post Check- Some Std? (D N
Specific Conductance (p5/cm at 25'Cj Calibration
Specific Conductance Post Check
Std, Value
1,000
X.
200
XX
***Dry Air***
X.x
1,000
X.
200
X.k
`Dry Air`
X.X
Temp
t.
Zl.5'
l
Z 7 Al
Z 2- Z
Initial
c'
?D3 .
91 i
2U f _'7,
Adjusted
L 0 a a
After Calibration'
Ceil Constant
180.0-220.0?
O N
c 3.0?
Y N
900 -1100?
ill
180.0-220.0?
N
3.0?
N
$.0
Acceptable Cell Constant range: 4.0 - 6.0
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. value
7
K.XX
10
x.YN
7
7
x.xx
10
X.XX
Temp
,Zt.L1
'11.7
2 .LA
-S
Initial
_p
7-c3
ZDb
10.1c7
5-97
Theo. pH
7.o1
7.o I
7.Oc7
fl.Vq
14.ol
Adjusted
After Calibration"
Slope (mV)
Slope (% of ideal)
Within t 0.1?
C) N
Within t 0_2?
CD N
Within ± 0.2?
O N
0
Ss
LA
Acceptable pH slope (m V/pH): 55 - 60 mV / pH slope ( K of ideal). 93 % to 102% Ideal pH slope = 53 m V
'Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
"After Calibration, DO sensor value, sp. conductance cell constant and the pH slope I % slope is recorded from the meter's GLP file
F:ISWIDivision FilesUater QuaIitylManitoringlReferenceslSOPslMeterslCaIibration SOP1CaIibration Sheets & Maintenance LogslCalibration S h eetslYS I -Pro Plus Meter Calibration Sheet-
2018March

CALIBRATION
Date: 12
Time: ❑ 1 - 3 Q r
Initials: Cc� 1/
POST CHECK
Date: 11/I7-II°►
Time: ! 1 So Y
Initials:
Monitoring pH Data
Min: _6. Z
Max:
If pH is ¢ 6.9, post check with pH 4. ❑
YSf Pro Plus Meter= OHL -elan / Post Ch Sheet �uR AM
S/N: "rJC70 Hach Turbidity Meter S/N
Field Crew C C— I/ Study: ;+`C -Dk e Yl o ,°
Turbidity Pre -Trip Check*
Dissolved Oxygen (DO) Calibration
DO Post Check
Turbidity (NTU)
Temperature ('C):
Temp I°Cj: 17, K
DI HZO (¢0.1)
< 0-4 NTU ?
Barometric Pressure (InHg): 2-0� y
BP {lnHg}: 7 1 i
DO (%)
xxx
DO (mg/L)
x.xx
DO (%)
xx.x
00 (mg/L)
x,xX
Std: 100 NTU
- v
Initial
40
q • i q
Lot #
A b Q aj
90 - 1.10, NTU?
Y
Adjusted
, t i
{
5td Exp. Date:
p s — j c'[
Chart DO (x.xx mg/ DO (%)
Chart DO
q,ym
'l
Turbidity meter last calibrated V
Z I �r ��
Within ± 0.5?
N
Within ± 0.5?
N
Sp. Conductance Standard (µS/cm at
2S°C)
Std
Lot No.
Expiration
200
2] {Q
1000
02.1 cc
Past Check- Same Std?or N
pH Standard (s.u.)
Std
Lot /Vo,
Expiration
7
I--IIk Q
10
t--III&&
oh q
4
1 95DI161
21(9 r
Post Check- Some Std? C!)
Y N
Specific Conductance (µS/cm at 25°C) Calibration
Specific Conductance Post Check
Std. Value
1,000
x_
200
x.x
***Dry Air**
x.x
1,000
X,
200
x.x
***Dry Air'**
XA
Temp
�
J7.
Initial
I(�
/
�q1,
��c ?�
Adjusted
,
After Calibration°
Cell Constant
180,Q;Z20.0?
J
rY N
< 3.0?
N
900 -1100?
(D N
18ao-220.0?
Y~ N
< 3.0?
(Y N
Acceptoble Cell Constant range: 4.0 - 6,0
pH (s.u.) Calibration
Confirmation
pH Post Check
Std. Value
7
x.XX
10
X-xX
7
XAX
7
X.KX
10
X.xx
Temp
16
ik 7
Initial
o
LA f
?. p-7
I.D. Ili
S qo 11
Theo. pH
I Q
\
03
7. p 1
ID. LO
4.00
Adjusted
After Calibration
Slope (mV)
Slope (% of ideal)
Within ± 0.1?
Y N
Within ±0.2?
rY N
Within ± 0.2?
1 N
�%Iithin ± 0,2?
© N
C'
Acceptable pH slope (mV/pH): 55 - 60 mV /pH slope { % of idea!]: 93 % to 142% 1&00l pHslope = 59 ml
"Turbidity meters are calibrated quarterly, see Turbidity Calibration Book for details
'After Calibration, 00 sensor value, sp. conductance cell constant and the pH slope / % slope is recorded from the meters GLP file
F:\SW\Division FileslWater Quality\MonIto ring\ReferenceslSOPslMeterslGaIibration SOP1Calibration Sheets & Maintenance Log s\Calibration S heetsWS I- P ro PI us Meter Calibration Sheet-
2D1 BMarch