NCG200507_MONITORING INFO_20191126

z"
STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
DOC TYPE
❑ HISTORICAL FILE
C}(MONITORING REPORTS
DOC DATE
❑ �� ► J a
YYYYMMDD

.,-
Semi-annual Stormwater Discharge Monitoring Report (DMR)
for North Carolina DEMLR General Permit No. NCG200000—Scrap Metal Recycling
Date submitted 11/25/19
CERTIFICATE OF COVERAGE NO. NCG20 0 5 0 7
FACILITY NAME Wesbell Investment Recovery LTD
COUNTY Person
PERSON COLLECTING SAMPLES Diane Bell RECP"'Lc-:D
LABORATORY Environmental conservation Laborator Lab Cert. 0 37724
Comments on sample collection or analysis: Nff v 2 6 Z019
'ri ',. L FILES
DV'dR SECTION
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLE COLLECTION YEAR 2019
SAMPLE PERIOD ❑ Jan -June ❑e July -Dec
or ❑ Monthly' (month)
DISCHARGING TO CLASS ❑ORW ❑HQW ❑Trout ❑PNA
[]Zero -flow ❑Water Supply []SA
❑Saltwater ❑Other
PLEASE REMEMBER TO SIGN ON THE REVERSE 4
F__1 Nn rlicrhnrnP thic narfnr472
Date Sample
24 hour,ramfalle
c ,.
Non ola�`od &� f
P. &iiase
outfall No
s a
a ^-., i
, - s '"
, , ,
3
., , ,,•,s
,.
�`
.=-Collected
amount -.
Total Suspended'gKem¢al
Oxygenst
ri
� EPA—M- thod.1664st
a 'Copper
Lead;
Zmc -
._
«Solids,--
'.;zZDemand.'a',
_ )) v 5-
Kp
�.:
_
r., ,. ;(SGT HEM),; -
6, Totals
v .Total _S _-g
,'t,r Total
'Benchmdrks
,'6100 mg/L1oi
�� A , �,�
P
�,0 075 m / L or
-
5 0A26 mg/Lori-
-
,. ,50 mg/L, -'.
..=..;120,mg/LM> '
_,._.; SS,mg/L0d005,mg/L...z
�a <0.210 g%Ls`
,0f090mg/L5.'_-<
1
11/12/19
0.6
6.4 mg/L
15 mg/L
1.50 mg/L
0.002 mg/L
0.003 mg/L
0.015 mg/L
- Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
2 For sampling periods with no discharge at any single outfall, you must still submit this discharge monitoring report with a checkmark here.
3The total precipitation must be recorded using data from an on -site rain gauge. Unattended sites may be eligible for a waiver of the rain gauge requirement.
" See General Permit text, Table 3 or Table 4, identifying protected receiving water classifications where the more protective TSS benchmark applies.
5 Stormwater discharges into receiving waters classified as saltwater are subject to the second listed benchmark.
Note: Results must be reported in numerical format. For example, do not report Below Detection Limit, BDL, <PQL, Non -detect, ND, or other similar non -
numerical format. When results are below the applicable limits, they must be reported in the format, "<XX me/L", where XX is the numerical value of the
detection limit, reporting limit, quantitation limit, etc. in mg/L.
Note: If you report a sample value in excess of the benchmark, you must implement Tier 1 Tier P or Tier 3 responses See General Permit
Permit Date: 02/02/2015-12/31/2019 SWU-256, last revised 1/28/201S
Page 1 of 2

Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
n Ain dicrhnrnP this narinrl?2
s
rt Date Sam leu `
Piry
� 24 hour,ramfall
Ta
OUtfaR No 1
a
� r
Collected `...
'amount
>:Non polar O&G by EPA
i S
i �,, _:
,�-e' .j -
4Tot
'tTotal Suspended S.,
-
i=Inches,>.
.,��1664;(SGT"HEM)'1c
-max �.
Benchmarks i_:
'^ -
-
.;15`�mg/L ,�. -tr
b. y300mg/L ora�50'mg/L ,,
Footnotes from Part A also apply to this Part B
Note: If You report a sample value in excess of the benchmark you must implement Tier 1 Tier 2 or Tier 3 responses See General Permit
FOR PART A AND PART B MONITORING RESULTS:
• A SINGLE BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDANCES FOR THE SAME PARAMETER AT ANYONE OUTFALL? YES ❑ NO ❑
IF YES, HAVE YOU CONTACTED THE DEMLR REGIONAL OFFICE AS REQUIRED BY THE PERMIT? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail an original and one copy of this DMR including all "No Discharge" reports within 30 days of receipt of th_e_I-ob results (or at end of monitorina Period
in the case of "No Discharge" reports) to:
Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or
those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I
am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
of Permittee)
Permit Date: 02/02/2015-12/31/2019
11/22/19
(Date)
SWU-256, last revised 1/28/2015
Page 2 of 2

�r
ENCO LaboratMes
Accurate. Timely. Responsive. Innovative.
102-A woodwinds Industrial Court
Cary NC, 27511
7
Phone: [phone] FAX: [phone]
Friday, November 22, 2019
Wesbell Asset Recovery Center (WE012)
Attn: Diane Bell
555 Lucy Garrett Rd.
Roxboro, NC 27574
RE: Laboratory Results for
Project Number: [none], Project Name/Desc: Stormwater
ENCO Workorder(s): CC19105
Dear Diane Bell,
Enclosed is a copy of your laboratory report for test samples received by our laboratory on
Wednesday, November 13, 2019.
Unless otherwise noted in an attached project narrative, all samples were received in
acceptable condition and processed in accordance with the referenced methods/procedures.
Results for these procedures apply only to the samples as submitted.
The analytical results contained in this report are in compliance with NELAC standards, except
as noted in the project narrative if applicable. This report shall not be reproduced except in
full, without the written approval of the Laboratory.
This report contains only those analyses performed by Environmental Conservation
Laboratories. Unless otherwise noted, all analyses were performed at ENCO Cary. Data from
outside organizations will be reported under separate cover.
If you have any questions or require further information, please do not hesitate to contact me.
Sincerely,
Chuck Smith
Project Manager
Enclosure(s)
FINAL This report relates only to the sample as received by Me laboratory, and may only be reproduced in k1l. Page 1 of 9

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SAMPLE SUMMARY/LABORATORY CHRONICLE
Client ID: OUTFALLONE
Lab ID: CC19105-01
Sampled: 11/12/19 13:40
Received:
11/13/19 14:05
Parameter
Preoatation
Hold Date/Timefsl
Preo Date/Time(sl
Malvsis
Dale/Time(s1
EPA 1664E
EPA 1664B
12/10/19
11/19/19 13:33
11/21/19
14:44
EPA 6010D
EPA 3005A
05/10/20
11/14/19 10:04
11/18/19
13:51
SM 2540D-2011
NO PREP
11/19/19
11/18/19 12:52
11/18/19
12:52
SM 5220D-2011
Same
12/10/19
11/14/19 11:35
11/14/19
16:40
FINAL ThIS report relates only to the sample as received by the Wboratory, am may only be reproduced in full. Page 2 of 9

EIVCO
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SAMPLE DETECTION SUMMARY
Client IU: OUTFALL ONE
Lab ID: CC19105-01
Analyte
Results Elan P146
M
Malta
Metb49 Notes
Chemical Oxygen Demand
15 10
10
ni
SM 5220D-2011
Copper - Total
2.25 1 1.60
10.0
ug/L
EPA 6010D
Iron - Total
199 22.0
50.0
ug/L
EPA 6010D
Total Suspended Solids
6.4 2.5
2.5
mg/L
SM 254OD-2011
Zinc - Total
14.5 4.40
10.0
ug/L
EPA 6010D
FINAL This report relates only to the sample as received by me laboramry, and may only be reproduced in full. Page 3 of 9

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ANALYTICAL RESULTS
Description: OUTFALL ONE Lab Sample ID:CC19105-01 Received: 11/13/19 14:05
Matrix: Surface Water Sampled: ll/12/19 13:40 Work Order: CC19105
Project: Stonnwater Sampled By: Diane Bell
Metals (total recoverable) by EPA 6000/7000 Series Methods
^ - EAKO Cary rerofrcW analyte[NC 591]
Analyte ECASNumberl Results
Flag
Units
DF
MDL
P L
Batch
Method
Analyzed
By
Notes
Cadmium[7440-43-9]^
0.360
U
ug/L
1
0.360
1.00
91(14018
EPA 6010D
11118/1913:51
JDH
Copper[7440-50-8]^
2.25
J
ug/L
1
1.60
10.0
9KI4018
EPA 6010D
11/18/1913:51
JDH
Iron[7439-89-6]^
199
ug/L
1
22.0
50.0
9K14018
EPA 6010D
11/18/1913:51
JDH
Lead[7439-92-1]^
3.10
U
ug/L
1
3.10
10.0
9K14018
EPA 6010D
11/18/1913:51
JDH
Zinc[7440-66-6]^
14.5
ug/L
1
4.40
10.0
91<14018
EPA 6010D
11/18/1913:51
JDH
Classical Chemistry Parameters
A- EN ci Gry Ce bfied analyde [NC 591]
Analyte fCAS Numbed Results
E[ag
Units
PE
t1B1
EU
Batch
Method
Analyzed
py
Notes
Chemical Oxygen Demand ^
15
mg/L
1
10
10
9K14025
SM 522OD-2011
11/14/19 16:40
JOC
Total Suspended Solids-
6.4
mg/L
1
2.S
2.5
9K18021
SM 254OD-2011
11/18/19 12:52
BDC
Classical Chemistry Parameters
A - ENCOIa[ksonNlle certified anolyre[NC 442]
Analvte MAS Numberl Results
flag
Units
DE
KU
M
patch
Method
Analvi
py
Note£
Oil & Grease (HEM) [C-0007]A
1.50
U
ni
1
1.50
5.00
91<19012
EPA 1664B
11/21/19 14:44
SMA
FINAL This mwn relates only to the sample as received by the labaatory, and may only be reproduced in full. Page 4 of 9

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QUALITY CONTROL DATA
Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control
Batch 9K14018 - EPA 3005A
Blank (gK14018-BLK1)
Prepared: 11/14/2019 10:01 Analyzed: 11/18/2019 12:56
Spike Source %REC
RPD
.Analyte
Result
Flm
POL
Units
Level Result %REC Limits RPD
Limit Notes
Cadmium
0.360
U
1.00
ug/L
Copper
1.60
U
10.0
ug/L
Iron
22.0
U
50.0
ug/L
Lead
3.10
U
10.0
ug/L
Zinc
4.40
U
10.0
ug/L
Blank (9K14018-BLK2)
Prepared: 11/14/2019 10:04 Analyzed: 11/18/2019 12:59
Spike Source %REC
RPD
Analytic
Result
Fling
POL
Units
Level Result 1%REC Limits RPD
1I111S Notes
Cadmium
0.360
U
1.00
ug/L
Copper
1.60
U
10.0
ug/L
Iron
22.0
U
50.0
ug/L
Lead
3.10
U
10.0
ug/L
Zinc
4.40
U
10.0
ug/L
LCS (9K14018-BSI)
Prepared: 11/14/2019 10:01 Analyzed: 11/18/2019 13:06
Spike Source %REC
RPD
Analyte
Result
Flag
POL
units
Level Result %REC Limits RPD
Lima Notes
Cadmium
18.9
1.00
ug/L
20.0 95 80-120
Capper
190
10.0
ug/L
200 95 80-120
Iron
956
50.0
ug/L
1000 96 80-120
Lead
189
10.0
ug/L
200 95 80-120
Zinc
203
10.0
ug/L
200 102 80-120
Matrix Spike (9K14018-MS1)
Prepared: 11/14/2019 10:04 Analyzed: 11/18/2019 13:17
Source: CC19076-01
Spike Source %REC
RPD
Anal vte
Result
Rate
POL
Units
Level Result %REC Limits RPD
Limn Notes
Cadmium
18.7
1.00
ug/L
20.0 0.360 U 94 75-125
Copper
192
10.0
ug/L
200 1.60 U 96 75-125
Iron
1260
50.0
ug/L
1000 143 112 75-125
Lead
187
10.0
ug/L
200 3.10 U 93 75-125
Zinc
223
10.0
ug/L
200 17.9 103 75-125
Matrix Spike Dup (91(14018-MS131)
Prepared: 11/14/2019 10:04 Analyzed: 11/18/2019 13:19
11
Source: CC19076-01
Spike
Source
%REC
RPD
Anal vte
Result
Elag POL
Units
Level
Result
%REC
Limits
RPD
U0211
Notes
Cadmium
18.8
1.00
ug/L
20.0
0.360 U
94
75-125
0.1
20
Copper
193
10.0
ug/L
200
1.60 U
97
75-125
0.6
20
Iron
2170
50.0
ug/L
1000
143
203
75-125
53
20
QM-07,
QM-11
Lead
190
10.0
ug/L
200
3.10 U
95
75-125
2
20
Zinc
217
10.0
ug/L
200
17.9
99
75-125
3
20
Post Spike (9K14018-PS1)
Prepared: 11/14/2019
10:04 Analyzed: 11/18/201913:22
Source: CC19076-01
Spike
Source
%REC
RPD
1fD➢lyle
Resut
Flag POI
Units
Level
Result
%REC
Limits
RPD
Ljl A
Notes
Cadmium
0.0197
0.00100
mg/L
0.0200
1.38E-5
99
80-120
Copper
0.201
0.0100
mg/L
0.200
0.000950
100
80-120
FINAL
This report
relates only to the sample as
received by the
laboratory, and
may only be reproauceci in
full.
Page 5 of 9

ineO
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QUALITY CONTROL DATA
Metals (total recoverable) by EPA 6000/7000 Series Methods - Quality Control
Batch 9K14018 - EPA 3005A - Continued
Post Spike (9K14018-PSI) Continued
Prepared: 11/14/2019 10:04 Analyzed: 11/18/2019 13:22
Source: CC19076-01
Spike
Source
%REC RPD
Analvte Result Flag
ROL
Units
Level
Result
%REC
Limits RPD Limit Notes
Iron 1.14
0.0500
mg/L
1.00
0.143
99
80-120
Lead 0.199
0.0100
mg/L
0.200
4.44E-5
100
80-120
Zinc 0.227
0.0100
mg/L
0.200
0.0179
105
80-120
Classical Chemistry Parameters - Quality Control
Batch 9K14025 - Same
Blank (9K14025-BLK1) Prepared: 11/14/2019 11:35 Analyzed: Il/14/2019 16:40
Spike Source %REC RPD
Analvte Result Flag POL Units Level Result %REC Limits RPD Limit Notes
Chemical Oxygen Demand 10 U 10 mg/L
LCS(9K14025-BS1) Prepared: 11/14/2019 11:35 Analyzed: 11/14/2019 16:40
Spike
Source
%REC
RPD
Analyte
Result
Flag
Pot
Units
Level
Result
%REC
Limits RPD
Limit Notes
Chemical Oxygen Demand
510
10
mg/L
500
101
90-I10
Matrix Spike (9K14025-MS1)
Prepared: 11/14/2019 11:35 Analyzed: 11/14/2019 16:40
Source: CC12339-01
Spike
Source
%REC
RPD
.Analvte
Result
Flag
POL
Units
Level
Result
%REC
Urals RPD
Limit Notes
Chemical Oxygen Demand
690
10
mg/L
526
210
92
90-110
Matrix Spike Dup (9K14025-MSD1)
Prepared: 11/14/2019 11:35 Analyzed: 11/14/2019 16:40
Source: CC12339-01
Spike
Source
%REC
RPD
-Analvte
Result
Elati
POL
Units
Level
Result
%REC
Limits RPD
Limit Notes
Chemical Oxygen Demand
690
10
mg/L
526
210
93
90-110 0.3
5
Batch 9K18021 - NO PREP
Blank (9K18021-BLK3) Prepared & Analyzed: 11/18/2019 12:52
Spike Source %REC RPD
AnaNte Result Flag POL Units Level Result %REC Limits RPD Limit Notes
Total Suspended Solids 2.5 U 2.5 mg/L
LCS (9K18021-BS1) Prepared & Analyzed: 11/18/2019 12:52
Spike Source %REC
RPD
Analvte
Result
Flag
POL
Units
Level Result %REC Lim! (,E
RPD
Limit Notes
Total Suspended Solids
92
2.5
mg/L
100 92 80-120
Duplicate (9K38021-DUPI)
Prepared & Analyzed: 11/181201912:52
Source: CC19184-03
Spike Source %REC
RPD
-Analvte
Result
Flag
P91
Unl
Level Result -A REC Limits
RPD
Limit Notes
Total Suspended Solids
110
32
mg/L
120
8
20
Duplicate (9K38021-DUP2)
Prepared &Analyzed: 11/18/201912:52
Source: CC19184-04
Spike Source %REC
RPD
Analvte
Result
Flag
POL
Units
Level Result %REC Limits
RPD
Limit Notes
FINAL
This report relates only to the sample as received by lye
laboratory, and may only be reproduced In full.
Page 6 of 9

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QUALITY CONTROL DATA
Classical Chemistry Parameters - Quality Control
Batch 9KI8021 - NO PREP - Continued
Duplicate (9K38021-DUP2) Continued Prepared & Analyzed: 11/18/201912:52
Source: CC19184-04
Spike Source %REC RPD
.Ana(yte Result Flag POL Units Level Result % REC Limits RPD Limit )Votes
Total Suspended Solids 480 210 mg/L 530 9 20
Classical Chemistry Parameters - Quality Control
Batch 9K19011- EPA 16648
Blank (91K39012-BLKI) Prepared: 11/19/2019 13:33 Analyzed: 11/20/2019 16:08
Spike Source %REC RPD
Anall¢e Reiul2 Flag P91 U0115 Level Result %REC Limits RPD Limit Notes
Oil & Grease (HEM) 1.50 U 5.00 M91L
LCS (9K19012-BSI) Prepared: 11/19/2019 13:33 Analyzed: 11/20/2019 16:08
Spike Source %REC RPD
Analyte Result Fbg POL Units Level Result %REC Limits RPD Limit Notes
Oil & Grease (HEM) 157 5.00 m9/1- 159 98 78-114
LCS Dup (9K19012-BSD1) Prepared: 11/19/2019 13:33 Analyzed: 11/20/2019 16:08
Spike Source %REC
RPD
Analyte
Result Flan
P_Ol
Units
Level Result %REC Limits RPD
Limit Notes
Oil & Grease (HEM)
146
5.00
mg/L
156 94 78-114 7
18
Matrix Spike (9K19012-MSI)
Prepared: 11/19/2019 13:33 Analyzed: 11/20/2019 16:08
Source: BC04691-02
Spike Source °7oREC
RPD
.An�1hrU
Result Flag
POL
Units
Level Besul °/a REC Limits RPD
Unft Notes
Oil At Grease (HEM)
142
5.00
mg/L
153 1.50 U 93 78-114
FlNAL This report relates only to the sample as received by me lath atory, and may only he repradmea In full. Page 7 of 9

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FLAGS/NOTES AND DEFINITIONS
B The analyte was detected in the associated method blank.
D The sample was analyzed at dilution.
J The reported value is between the laboratory method detection limit (MDQ and the laboratory method
reporting limit (MRL), adjusted for actual sample preparation data and moisture content, where applicable.
U The analyte was analyzed for but not detected to the level shown, adjusted for actual sample preparation
data and moisture content, where applicable.
E The concentration indicated for this analyte is an estimated value above the calibration range of the
instrument. This value is considered an estimate.
MRL Method Reporting Limit. The MRL is roughly equivalent to the practical quantitation limit (PQL) and is
based on the low point of the calibration curve, when applicable, sample preparation factor, dilution
factor, and, in the case of soil samples, moisture content.
PQL PQL: Practical Quantitation Limit. The PQL presented is the laboratory MRL.
N The analysis indicates the presence of an analyte for which there is presumptive evidence (85% or greater
confidence) to make a "tentative identification'.
P Greater than 25% concentration difference was observed between the primary and secondary GC column
The lower concentration is reported.
(CALC] Calculated analyte - MDL/MRL reported to the highest reporting limit of the component analyses.
QM-07 The spike recovery was outside acceptance limits for the MS and/or MSD. The batch was accepted based
on acceptable LCS recovery.
QM-11 Precision between duplicate matrix spikes of the same sample was outside acceptance limits.
FINAL This report relates only to the sample as received by Me laboratory, and may only be reproduced in full. Page 8 of 9

u �®� tons Corona! Port Dr. IBID Ezacudve Park Goi Suite I I I 102-A Woodward; Industrial CL
ORarldo. R 32824 larAsormlle, R 3221643069 Cary, NC 27511
' - (41]I626 14 Fax[phone]-GNS� (904)296 7 Fss(904)2 210- S19)4673g90 Fax[phone] Page of
Chore Nano
Wesbell Asset Recovery Center (WE012)
Pari ct Number
(none]
Requested
Anelyees
Requested Turnaround
Times
Net.: ctahncoby rwmawy�fe
—Standard
_Expedited
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Address
565 Lucy Garrett Rd'
ProjM NemelDeu
Stormwater
CllyfSTZp
Roxboro, NC 27574 .'
•Fax
Poe / acing Inlo
Tel
[phone]
[phone]
Roponby Conlad
Diane Bell
pler(a) area, Afliliedon IPdM)
Billin Connect
Siane Bell
f Signature
Sao Locetbn/Time zone �
lab r NL
2
' -
Presarvo0en (Ses Codes) (Combins as necessary)
Item4
Sample to(F1eldldenid.1ioe)
Cdleclbn Date
Conactbn
Time I
Comp/Grab
MaVIx.
(a.,ddirr)
Tdalaof
Containers -
-
"
Sample Comments
Sw
s _
_. x
-X
x-
x
V
—
`
I
L;
n
¢zlf:•.
c-- TotaI#of Containers -
Semple Wt Prepared BY
Datamme
Relyng/vyislled BY ^ YY
atefrIne. ! 7V
V
RxeNed BY
DatevTorne
CohrMeawspecol RepoNng Requirements
Relihpuuisheed/By
Datameas
R By
ottomans
Rdbqu¢hed By
Mormons
flx ved By
Date.Ttmo
Coder Mea Tempson Receipt I.y
j
Caged pen Receipt
a
Acceptable Unacceptable
Wants: GW-Gmmdnater SO -Sod OW-Ddnkbg Water SE -Sediment SW -Su Race Water WW-Wastewater A -Aft O-0Nm(delall N comments) Pressmallon: Mae H-MCI N.HNO3 S-H2SO4 NO.NeOH 0-0Iher(delal in comments)
Note: AI samples subnoted to ENCO labs ore in accordance with the terms and wndtims Used w the reverse of are term, unless prior mitten agreemonls exist

Sample Preservation Verification
ENCO Cary
Work Order: CC19105
Client: Wesbell Asset Recovery Center (WE01 2)
Logged In: 13-Nov-19 14:43
Project: Stormwater
Project [none]
Logged8 John C King II
Preservation Check Performed By: DatefTime:
CC19105-01
'-'Pres-(pH)'-
R— —2 — , �
equirement..
pH Checked't
, - ; -- -
'In'Cofitroll,
" --'Datef.T',me
- OH Adjusted
2., Adjusted
R(��Gi�inf Used/Cbm'me—nis,
8
250mLA+H2SO4
<2
'Y / N / DN
Y / N
C
250mLA+H2SO4
<2
Y I N /6A
Y I N
D
250mLP+H2SO4
<2
-Y. / N / NA
Y /'NA
E
.250mLP+HNO3
<2
/Y/ N / NA
Y 16V I NA
Reagent Name ID
1 1
2 � I
pH Strip ID:
Reagent Name 10
3
4
Real Name ID
5
61
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