NCG120086_MONITORING INFO_20100601

STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
/V
DOC TYPE
❑HISTORICAL FILE
C3�MONITORING REPORTS
DOC DATE
❑ ?"o I �o T) & 0
WYYMMDD

i
5400 Glenwood Avenue, Suite 300
Raleigh, North Carolina 27612
tel: [phone]
fax: [phone]
June 1, 2010
Attention: DWQ Central Files
North Carolina Department of
Environment and Natural Resources
Division of Water Quality
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
Subject: NPDES Stormwater Discharge Outfall Monitoring Report
Cabarrus County Landfill, Concord, North Carolina
Monitoring Period: January 1, 2010 through June 30, 2010
Certificate of Coverage # - NCG120086
To Whom it May Concern:
AUG 16 2010
1°
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CDM, on behalf of Cabarrus County, is submitting one original and one copy of the
Stormwater Discharge Outfall Monitoring Report for the above referenced facility. A National
Pollutant Discharge Elimination System (NPDES) Application for Coverage under General
Permit NCG120000 was submitted to the Division of Water Quality on December 22, 2009 and
approved on March 19, 2010,
On January 18, 2010, samples were collected from five outfalls for chemical oxygen demand
(COD), fecal coliform, and total suspended solids (TSS). The samples were analyzed by
ENCO Laboratories, Inc. in Cary, NC. The facility received approximately two inches of rain
from January 16-18, 2010. Outfall locations and sedimentation ponds are provided on Figure
1. The signed Stormwater Discharge Outfall Monitoring Report form and accompanying
analytical data are attached.
Samples collected from Outfall 1 had detections of fecal coliform at 1,500 colonies per 100 ml
that exceeded the benchmark value of 1,000 colonies per 100 nil. A small development
consisting of mobile homes and several houses is upgradient of the active C&D landfill and
adjacent to the northern landfill property boundary. Surface water runoff from the
development flows onto the landfill property with some of the flow collected by
Sedimentation Pond 1. The fecal coliform exceedance is likely a result from domestic and wild
animal waste included in the surface water runoff. Future analytical results will be monitored
to determine if any trends appear.
Samples collected from Outfalls 1, 4, and 5 had TSS detections at 130 mg/L,160 mg/L, and
200 mg/L respectively. The T55 detections were above the benchmark value of 100 mg/L.
The two inches of precipitation created washouts on the western slope of the active C&D
landfill that were captured by Sedimentation Pond 1, which is located on Figure 1. The TSS
P:ICabarrus - 127MPDESISDQ ReportsUune 2010 NPDES SDO Report -door

Stormwater Permitting Unit
June 1, 2010
Page 2
exceedance at Outfall 1 is likely a result of the washouts. The washouts have been repaired
and reseeded to stabilize the slope.
The TSS exceedances at OutfaIls 4 and 5 are likely attributed to construction activities. The top
of the closed Unit 3 municipal solid waste landfill was used for disposal of C&D debris until
June 2008. Permanent closure of the Unit 3 landfill began in Iate 2009 and is scheduled to be
completed by early summer 2010. As part of the closure, drainage channels lined with riprap
were installed to Sedimentation Ponds 3 and 4, which are located on Figure 1. All
sedimentation basins and channels associated with the C&D landfill closure project will be
cleaned of sediment that has accumulated as a result of construction activities once
construction is completed. Disturbed construction areas that have been reseeded may,
however, continue to be a source of TSS detections until these areas have stabilized.
Samples collected from Outfalls 2 and 3 were below the benchmark values for COD, fecal
coliform, and TSS. These outfalls are not located downgradient of active construction areas or
the development adjacent to the northern property line.
If you have any questions, please do not hesitate to contact me by phone at [phone], or
by email at [e-mail].
Sincerely,
Daniel H. Forbes
Camp Dresser & McKee
cc: Rick Payne, Cabarrus County
Kevin Grant Cabarrus County
Mike Brinchek, CDM
Bob Brossoie, CDM
P:1Gebarrus - 1278NPOESISDO ReportsUune 2010 NPOES SDO Report.docx

..
STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
GENERAL PERMIT NO. NCG120000 SAMPLES COLLECTED DURING CALENDAR YEAR: 2010
CERTIFICATE OF COVERAGE NO. NCG12 0086 (This monitoring report is due at the Division no later than 30 days from the date
the facility receives the sampling results from the laboratory.)
FACILITY NAME Cabarrus County Landfill COUNTY Cabarrus
PERSON COLLECTING SAMPLES _ Daniel Forbes (CDM) PHONE NO. [phone] (CDM}
CERTIFIED LABORATORY ENCO Laboratories. Lab# 591
Lab # PLEASE SIGN ON THE REVERSE 4
Part A: Specific Monitoring Requirements
UutfallIMj-
11 30No.
allected,
Chemical b gin Demand,
m
decal oli orm,
# e 1.0 ml
1Q00 co anise
ota spe dMW alid
m
60
[ enchmarlc
LZO
1
01/18/10
31
1,500
130
2
01/18/10
14
19
30
3
01/18/10
40
61
97
4
01/18/10
31
33
160
5
01/18/10
46
670
200
Note: If you report a sampled value in excess of the benchmark value, you must implement Tier l or Tier 2 responses. See General Permit text.
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _yes X no
(if yes, complete Part 13)
Part B: Vehicle Maintenance Activity Monitoring Requirements
Qptfali
No.
Date
Sample Collected,
mo dd ..r
00SS
011 and G ease
m
OOS:iQ
00 0
Total uspe de de,
m
t
t lard n
r t ge
e, mo
rya n 'ham >�
0
00
.o .o
-
Note: If you report a sampled value in excess of the benchmark value, or outside the benchmark range for pH, you must implement Tier I or Tier 2 responses.
See General Permit text.
STORM EVENT CHARACTERISTICS:
Date 01/18/10 (first event sampled)
Total Event Precipitation (inches): 2
Date (list each additional event sampled this reporting period, and rainfall amount)
Total Event Precipitation (inches):
Mail Original and one copy to:
Attn: DWQ Central Files
NCDENR/ DWQ
1617 Mail Service Center
Raleigh, NC 27699-1617
S W U-248- l 02107
Page I of 2

STORMWATER DISCHARGE OUTFALL (3DO)
MONITORING REPORT
"I certify, under penalty oflaw, 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 ofthe person or persons who manage the system, or those persons
directly responsible for gathering the information, the information submitted is, to the best ofmy knowledge and belief,
true, accurate, and complete. I am aware that there are significant penalties for submitting ihlm information, including
the possibft of fines and imprisonment for knowing violations."
Z / 1 /0
(Signature fPermittee) (Dag)
SWU-248-102107
Page 2 of

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n
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MW-10
P—e
PROPERTY LINE
EIDSI)NG INDEX CONTOUR
EXISTING INTERMEDIATE CONTOUR
LIMITS OF EXISTING C&O DISPOSAL AREA
BOUNDARY LINTB
PROPOSED LIMITS OF PHASE I C&D
LANDFILL PICCYBACN EXPANSION
MONITORING POINT
SURFACE WATER MONITORING WELL
REZOMETER
DRAINAGE BOUNDARY
DRAINAGE PATHWAY
NOTEg
1, SURVEY INFORMATION WAS PROVIDED BY AN AERIAL yURVEY PERFORMm FEBRUARY
1999 BY HUTCHINSON AND BOOS AND EARLIER SURLY DATEO 1994.
2 ADDITIONAL FLUNG HAS OCLUREO WIRRN THE EXISIING CAD LANDFILL DISPOSAL AREA SINCE
GATE OF TOPOGRAPHIC SURVEY.
g ADOTIONAL EXCAVATION HAS OCn1RRED WITHIN ACTIVE BORROW AREA SINCE DATE
OF TDPOOL4PF11C SURVEY.
4_ ORAINAGE AREA 2 IS THE ONLY ACIVE/EXISTING DIPSOSAL AREA AT TFHE FACILITY. REMAFMING
AREAS HAVE BEEN CLOSED OR ARE INACTIVE.
oEsic�.Eo ar:
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CABARRUS COUNTY
NORTH CAROLINA
CABARRUS COUNTY C&D LANDFILL EXPANSION
SITE MAP
:"OJECT N0. Israesom
FILE�IDwG
FIGURE
REV,
�.
DATE
ORA1'M
CHKD
REMARKS
n:cRWCO 3T:
pA-E. SFRTEWFR
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Environmental Conservation Laboratories, Inc.
lot -A Woodwinds Industrial Court
Cary NC, 27511
per; 919.467.3090 FAX; 919.467.3515 www.encolabs.com
Monday, February 1, 2010
CDM (CD004)
Attn: Dan Forbes
5400 GLENWOOD AVE SUITE 300
RALEIGH, NC 27612-
RE: Laboratory Results for
Project Number: [none], Project Name/Desc: Cabarrus County
ENCO Workorder: C914521
Dear Dan Forbes', -
Enclosed is a copy of your laboratory report for test samples received by our laboratory on
Monday, ]anuary 18, 2010.
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. 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)
The total number of pages in this report, including this page is 17.

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SAMPLE SUMMARY /LABORMRYH NI LE
[Bent iDo.;,_-01
A .'. pled a01/iBllO ;i0 75 ,yRecely� D1%i8/1fl 13 33 =
Parameter
----- ----------01/25if6
Hold Date/TIme(s)
prep DateI�me(s)
Analysis Date/Time(s)
SM 2540D
---
O1/2i/10_10:02
---- ------------
21/010 10:02
SM 5220D
02/15/10
.01126/10 10:00
1/26/2010 14:00
SM 9222D
01/18/10 16:25 01/19/10
17:14 01/18/10 14:50
1/19/2010 16:10
CBent IDc= i)ulial! 2
r t; Lab ID G914521=02 eat m G1118114
I010 O1j18/i0' 13 55
��, Received
Parameter
Hdd Date/Tin*s) - - - - -
� prep- Date/Time(s)
Analysis Date/Tin*s)
----------------------
si�i zs466
allzs/io - - - - - - - - - - - - - - - - - -
- --olizl/lo la:oz---------------
112112010lo:az
SM 5220D
02/15/10
01/26/10 10:00
1/26/2010 14:00
SM 9222D
01/18/10 16:40 01/19/10 17:19
01/18/10 14:55
1/19/2010 16:10
r,
Parameter
HoldDate/Time(s)
Prep DatelTime(s): i °T�
Analysis Date/Time(S)
SM 25466
O125/LO
01/21/10 10:02
1/21/2010 10:02
SM 5220D
02115/i0
01/26/10 10:00
1/26/2010 14:00
SM 9222D -
—--01J18/10i6:50-_ 01/19/10 17:24
01/18/10 -15:00--
ClierltlU::,. � L:
.. , _..: - .--` Lab ID;C414521104,
} Sampled aDi/.�/10-i1D5 ���-' fi Recdved O1118/i0°:1353
-
Parameter
"Old Date/Time(s)
Prep Datemrne(s)
Analysis Date/Time(s)
SM 2540D
01125j10
61/20110 12:18
...
1/20/2010 12:18
SM 5220D
02./15/10
01/26/10 10:00
1/26/2010 14:00
SM 9222D
01/18/10 17:a5 01/19/10 17:27
01/18/10 15:03
1/19/2010 16:10 —
parameter
Hold Date/Time(s)
prep Date/Time(s)
Analysis Date/Time(s)
------- ---- ----
-------------
-----------
-dlizihfl-..io:oz---- --------ljii/ibio�iu:oz
,
SM 5220D
02115110
01/26/10 10:00
1/26/2010 14:00
SM 9222D
01118/10 17:20 01/19/10 17:32
01/18/10 15:08
1/19/2010- 16:10 t
Page 2 of 17

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SAMPLE DETECTION SUMMARY
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Ip�Outfall"1' : �":,VMS-
_
.d
rEahiD'C914521iix ='"cal
Analytc
Results
Haq MDL
PQL
Units Method Notes
Chemical Oxygen Demand
.....
31
2.8
lU
mg/L SM 52206
Colifonn, Fecal
1500
4
4
CFU/100m1 SM 9222D _
Total Suspended Solids
130
1.0
1.0
mg/L SM 2540D
Analyde
Results
Flap MDL
PQL
Units
Method
Notes
ChemiCdl Oxygen Demand
--- - - - 14
- -- 2.8
--EO -
mg/L --
' SM 5220D
Coldorm, Fecal
19
4
4
CFU/100ml
SM 9222D
Total Suspended Solids
30
1.0
1.0
mg/L
SM 2540D
ieM7z,
VP11.1 ab ID CS 3 Br +�
jar
Z
Analyte
Results
Hap MDL
PQL
Units
Meth_ od
Notes m
- -- ---- -
Chemiml Oxygen Demand
- - -------- ---- --------------
40
2.8
10
mg/L
SM 5220D
Coliform, Fecal
61
4
4
CFU/100ml
SM 9222D
Total Suspended Solids
97
1.0
.- S 1.0
mg/L
SM 2540D
Ip< — �LabYD ;C914521-D4 =w t
_
Ma
Results
Fla MDL
_--
Units ------- - Method
Chemical Oxygen Demand
................
31
2.8
10
mg/L
SM 52206
Coliform, Fecal
33
4
4
CFU/100ml
SM 9222D
Total Suspended Solids
160
1.0
1.0
mg/L
SM 2540D
.a
ent iD:. `' OUttall 5 = 3 - s Lab IDi"a C914521=D5 •�
k
Analytc
Results
Flap MDL
PQL
Units''
Method Notesa_.._S;
..- - --------------------
Chemimlpxygen Demand
46
... .........2.8 � .....la
-
� mg/L -....
SM 5220D
Coliform, Fecal
670
4
4
CFU/100ml
SM 92220
Total Suspended Solids
200
1.0
1.0
mg/L
SM 2540D
Ji
Page 3 of 17

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ANALYTICAL RESULTS
Description: Outfall - 1 Lab Sample ID: C914521-01 Recehred: 01/18/10 13:55
matrix: Ground Water Sampled: 01/18/10 10:25 work Order: C914521
Project: Cabarrus County Sampled By: Ilan Forbes
Classical Chemistry Parameters
.......................... . . ...............
^ - ENCO Cary WrWxd analyse [NC 5911
Anahfte [CAS Numbers gets fiat !spun l2f M" MIL A= Meth Analyzed Ay Notes
Chemical Oxygen Demand [ECL-0035] 31 mg/L 1 2.8 10 OA26006 SM 5220D 01126/10 14:00 PEV '
Total Suspended Solids (ECL-0169] ^ 130 mg/L 1 1.0 1.0 OA21013 5M 2540D 01/21110 10:02 30C _
Page 4 of 17

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Description: Outfall - 1 Lab Sample ID: C914521-01 Received: 01/18/10 13:55
Matrix: Ground Water Sampled: 01/18/10 10.25 Work Order: C914521
Project: Cabarrus County Sampled By: Gan Forbes
Microbiological Parameters
----- ............
^ - ENQ7 Cary certified a -Ate [NC 5911
Aaahrte [CAS Numbed Resin flag Units 2f [I Batch Met1wd Ana
CCUIOM Feml [ECL-00381 ^ ism CN/100m1 1 4 0A19010 SM 9222D 01/19/10 16:10 ALT
This report relates o* to the samde as reteiyed by the laboratory, and may pity be mpmduced in full.
Page 5 of 17

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Description: Outfall - 2
Lab Sample ID: C914521-02
Received: 01/18/10 13:55
Matrix: Ground water
Sampled: 01/18/10 10:40
Work Order: C914521
project: Cabarrus County
Sampled By: Dan Forbes
Classical Chemistry Parameters
^ ENCO Cary -rti W analyteW 5911
- --------------------
----------------- .....
Anahrte [[AS NS0112W
Rend flay Vam PE MU 1U Ditch
Method g0ahrzed ft Notes
awnkal Oxygen Damand [EM-W351
14 mg/L 1 2.8. 10 OA26006
SM 5220D 01/26/10 14:00 PEV
Total Suspended Solids [ECL-01691 ^
30 mg/L 1 1.0 1.0 OA21013
SM 25400 Dith/LO 10:02 30C
Page 6 of 17

www.encolabs.com
Description; Outiall - 2 Lab Sample ID: C914521-02 Received: 01/18/10 13:55
Matrix: Ground Water Sampled:01/18/10 10:40 Work Order: C914521
Project. Cabarrus County Sampled By: Dan Forbes
Microbiological Parameters
^ - ENC'O Cary certified amtyte [NC 5911
Anaba [GAS Numbed Results $aq Units 12E MU Batch M gnaw ay 1Vat�
Califwrrr, Feral [ECL-003S] ^ 19 CFU/100m1 1 4 GA19010 SM 9222D 01/19/10 16:10 ALT q '
i
This report rpjates only to the sample as rrweved try the laboratory, and may only be reproduoed In full.
Page 7 of 17

9(�-39
www.eneDiabs.com
Description: Outfall - 3
Lab sample ID: C914521-03
Received: 01/18/10 13:55
Matrix: Ground Water
Sampled: 01/18/10 10:50
Work Order: C914521
Project: Cabarrus County
Sampled By: Dan Forbes
Classical Chemistry Parameters
.. ........... ..............
^ - ENCO Cary ceI#W ar,wtyte [NC 591]
....... ............ --------------•----------......----------------
---------
Anahrte fCAS Numberl
gesuI23 fiag molts PE HU MRL Batrh
Method Anahrzed ay N
Chemical Oxygen D mand [ECL-0035]
40 MWL 1 2.8 10 OA26006
SM 52200 Ol/26110 14:00 PEV ,.
Total suspended Solids [EM-0169] ^
97 MWL 1 1.0 1.0 OA21013
SM 2540D Dl/21110 10:02 Mc
Page 8 of 17

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Description: Outfall - 3 Lab Sample IO: C914521-03 Received: 01/18/10 13:55
matrix: Ground Water Sampled: 01/18/10 10:50 Work Order: C914521
project: Cabarrus County Sampled By: Dan Forbes
Microbiological Parameters
^ - ENCO Cary-rVfied analyte INC 591]
Analyoe MAS NumbW Results $d9 Units QE lr U I = Mediod Anahrzed fy fIQtes
CoBfonn, Fecal [ECL-00381 ^ 61 CFW100MI 1 4 0A19010 SM 97220 01/19/10 16:10 ALT
E-
This report relates onty to the sample as rWeivW by the laboratory, and may onty be neproduoed in full.
Page 9 of 17

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Description: Outfall - 4 Lab Sample ID: C914521-04 Received: 01/18/10 1155
Matrix: Ground Water ,Sampled: 01/18/10 11:05 Work Order: C914521
Project: Cabarrus County Sampled Sy: Dan Forbes
Classical Chemistry Parameters
------------ - ------------
^ ENC-O Cary -rWW ana4,re [NC 5911
Sesul1.4 Bin Uam Di HU NU Batch Heth9n.ahQW BY
a mioloxygen Demand [ECL-0935] 31 mq/L 1 2.8 10 OA26006 5M 5220D 01/26/10 14:00 PEV
Tatal Suspended Solids [ECL-0169] ^ 160 myL 1 1.0 1.0 OA20003 SM 2540D 01/20/10 12:18 FLT
Page 10 of 17

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Description: OutFall - 4 tab Sample ID: C914521-G4 Received: 01/18/10 13:55
Matrix: Ground Water Sampled: 01/18/10 11:05 Work Order: C914521
Project: Cabarrus County Sampled By: Dan Forbes
Microbiological Parameters
.................................... .............
- ENCO Cary certified anaAfe [WC 591]
Anab= FCAS Numbed Results flaq Unih of HU A= l ohod Ana $Y mobs
Colifwm, Fecal FELL-00381 ^ 13 U11/100m1 1 4 QA19016 SM 92220 01/19/10 16:10 ALT
i
This report relates only to the sample as rec6yW by the laboratory, and may ONy be repfoduam in full.
Page I I of 17

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Description: Outfall - 5 Lab Sample ID: C914521-05 Received: 01/18/10 13:55
maw: Ground Water Sampled; 01/18/10 11:20 Work Order: C914521
Project: Cabarrus County Sampled By: Dan Forbes
Classical Chemistry Parameters
........ ..........
^ - ENCO Cary certrrkd a-4 to [NC 5911
Anahrte M AS Numbed Results @d9 MIAIN 2E MIX 1.' & aadt Elethod Anahaed NY 114Sro4
OW06MI QrXVW Demand [ECL-W351 45 mq/L 1 2.8 10 OA26006 SM 5220D 01/26/10 14:00 PEV
TOR31 Suspended Solids [EC3--01691 ^ 200 MWL 1 1.0 L.D OA21013 SM 2540D 01121r10 10:02 3OC
Page 12 of 17

Description: Outfall - 5
Matrix: Ground Water
project: Cabarrus County
Lab Sample ID: C914521-05
Sampled: 01/18/10 11:20
Sampled By: Dan Forbes
www.encvlabs.com
Received: 01/18/10 13:55
Work Order: C914521
Microbiological Parameters
.......... -•-------- - -- - ----- ------------ — ..............
^ - ENCO Cary CeftrA!d analyte (NC 5911
Analrte ICAS Numberl Results HAg Mab PE HU Batch HSSwd Analvzed ON Notes
C'dlfanq Fecal [E[L-0038] ^ 670 CFU1100m1 1 4 CIA19010 SM 92220 01/19/10 16:10 ALT
This report relates" to the sample as received by the labmatary, and may only be reproduced in full.
Page 13 of 17

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Classical Chemistry Parameters - Quality Control
Batch OA20003 - NO PREP
Blank (OA20003-BLK1) Prepared & Analyzed: 01/20/2010 12:18
Total Suspended Solids 1.0 U 1.0 mg/L
.............................. ............... ............. --......... '---'-...... ..------------------------------------- I--------'--...
LIES (OA20003-BS1) Prepared & Analyzed: Oln0/2010 12:18
Total Suspended Solids 85 1.0 mg/L 80.0 106 82-119
------------ -------"..... . ........................... ------------------------------------------------------------- .------- --------
Duplicate (OA20003-DUPl) prepared & Analyzed: Ol/20/2010 12:18
Source: C000456-01
Total Suspended So1d5 7.6 1.0 mg/L 9.6 23 2S
---------------------------------- ----------- ........... ........---'............ .-'----- ---- —
Batch OA21013 - NO PREP.
Blank (OA21013-BLKI) Prepared & Analyzed: 01/21/2010 10:02
Total Suspended Solids i.0 U 1.0 mg/L
LCS (OA21013-B51) Prepared & Analyzed: 01/21/2010 10:02
Total Suspended Solids 87 1.0 rng/L 80.0 109 82-119
............................................... ...................
Duplicate (OA21013-DUP1) Prepared & Analyzed: 01/21/2010 10:02
Source: C914521-01
Total Suspended Solids 120 1.0 mg/L 130 5 25 - 1
-----""--"...................--. ......... ---'-""---- ----------- ...... -------------------------------------- .------------ --
Batch OA26006 - NO PREP
Blank (OA26006-BLKI) Prepared: 0112612010 10:00 Analyzed: 01/26/2010 14:00
Ownical Oxygen Demand 2.8 U 10 mg/L
LCS (OA26006-Bsi) Prepared: 01/26/2010 10:00 Analyzed: 01/26/2010 14:00
Chani al Oxygen Demand S20 10 mg/L Soo 103 90-110 I
Matrix Spike (OA26006-MS1) Prepared: 01/26/2010 10:00 Analyzed: 01/26/2010 14:00
Source: C000457-01
Page 14 of 17
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Classical Chemistry Parameters - Quality Control
Batch OA26006 - NO PREP
Matrix Spike (OA26006-MSl) Continued prepared: 01/26/2010 10:00 Analyzed: 01/26/2010 14:00
Source: C000457-01
Chemical Oxygen Demand $50 10 rnWL SOD 130 103 90-110 _
....................... .........----
Matrix Spike Dup (OA26006-"SDI) Prepared: 01/26/2010 10:00 Analyzed: 01/26/2010 14:00
Source;0000457-01
Chemical Oxygen De=w 660 10 mglL Sw 130 IDS 90-110 1 10 �
1 •:
Microbiological Parameters - Quality Control
Batch OA19010 - NO PREP
Blank (OA19010-BLKl) Prepared: 01/18/2010 14:31 Analyzed: 01/19/2010 16:10
courorrrFecal 1 U 1 CFU/loom)
Duplicate (OA19010-DUpl) Prepared:-01118/2010.14:39 Analyzed: 01/19/2010 16:10
Source: C9LS137-02
Coliform, Fecal 1 U I. CPU/1o0m1 l U 25
Page 15 of 17

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The analyte was detected in the associated method blank.
The sample was analyzed at dilution.
The reported value is between the laboratory method detection limit (MDL) and the laboratory method
reporting limit (MRL), adjusted for actual sample preparation data and moisture content, where applicable.
The analyte was analyzed for but not detected to the level shown, adjusted for actual sample preparation
data and moisture content, where applicable.
The concentration indicated for this analyte is an estimated value above the calibration range of the
instrument. This value is considered an estimate.
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.

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