NCG120065_DMR Jan 2020_20200210

ORANGE COUNTY
NORTH CAROLINA
SOLID WASTE MANAGEMENT
1207 Eubanks Road Phone[phone]
PO Box 17177 Fax[phone]
Chapel Hill,North Carolina 27516
February 10,2020
Annette Lucas RECEIVED
Stormwater Program Supervisor FEB 17 2020
Division of Energy,Mineral and Land Resources
North Carolina Department of Environmental Quality DENR LAND QUALITY
1612 Mail Service Center STORMWAT ER PERMITTING
Raleigh,NC 27699-1612
RE: Orange County MSW& C&D Landfills,NCG120065
Enclosed is the monthly Storm water Discharge Monitoring Report for January 2020. Orange County is
currently in Tier II monitoring for the facility due to high TSS. A sample was collected from each of the
two outfalls on January 13,2020.
Results indicate that both the C&D outfall and the MSW outfall do not exceed any of the limits outlined
in the County's NPDES permit. The results of the analysis are entered on the enclosed Storm water
DMR reporting form as well as copies of both analyses.
Orange County continues to monitor the installed BMP's that help to control the amount of onsite erosion
and subsequent discharge of contaminated water. This includes monitoring of the growth of our
vegetative cover and minimizing the amount of disturbed land. If you have any questions,please contact
me at kwitosky@a,orangecountync.gov or 919-918-4916.
Sincerely,
Alp. 41,,ak
Kri na V , s- spos.1 Manager
0 . ge Coun • • - I epartment
Cc: Robert Williams,Director OCSWM
Bruce Woody,Assistant Director OCSWM

,, Station Summary Imkn
Duke Forest North Carolina
Monthly Summary for
January,2020
Day Day Total Wind Air Temperature Fuel Temperature Humidity Dew Wet Baro. Total
of of Solar Rad.Ave.V Dir.Max.Mean Max Min Mean Max Min Mean Max Min Point Bulb Press. Precip.
Month Year ly. mph Deg mph Deg.Fahrenheit Deg.Fahrenheit Percent Deg.Fahrenheit Hind. inches
1 1 285 3.4 277 19.0 43 54 32 39 59 27 62 90 41 29 36 0.00
2 2 137 3.1 221 22.0 45 55 34 43 56 30 72 96 35 35 40 0.16
3 3 37 1.5 217 9.0 50 56 45 50 55 45 99 100 97 50 50 0.83
4 4 99 5.5 252 30.0 55 65 41 53 64 36 84 100 49 50 52 0.31
5 5 311 4.6 272 20.0 41 51 35 37 52 28 57 83 38 26 35 0.00
6 6 317 3.2 311 15.0 42 59 32 38 63 26 60 90 21 27 35 0.00
7 7 88 2.4 283 21.0 38 47 28 34 48 22 S2 97 62 33 35 0.09
$ S 316 4.3 277 26.0 43 59 28 38 61 22 54 97 25 25 35 0.01
9 9 291 2.4 81 15.0 40 52 29 37 57 22 56 83 36 25 33 0.00
10 10 126 1.6 128 10.0 51 61 39 50 64 36 77 SS 64 44 47 0.00
11 11 89 6.9 176 29.0 65 69 58 64 69 57 88 97 82 61 62 0.21
12 12 175 4.8 220 21.0 65 71 61 63 71 54 82 97 55 60 62 0.05
13 13 37 2.7 205 11.0 64 65 62 63 65 62 100 100 98 64 64 0.36
14 14 85 2.0 222 15.0 63 68 58 62 68 55 98 100 90 62 63 0.21
ji 15 219 2.1 193 9.0 60 67 55 58 69 53 83 100 56 54 56 0.01
1.6 16 267 5.9 298 27.0 58 63 45 55 66 42 51 97 20 35 48 0.00
II 17 318 4.2 27 19.0 40 46 35 39 54 28 34 48 23 13 30 0.00
1i 18 73 3.9 184 14.0 40 45 36 40 46 35 64 98 44 28 35 0.08
19 19 270 6.4 292 23.0 45 54 30 44 58 26 61 99 19 29 39 0.00
20 20 341 4.6 359 18.0 31 38 26 29 47 18 44 61 31 12 24 0.00
21 21 346 4.9 15 22.0 29 37 23 28 44 18 42 57 26 10 23 0.00
22 22 347 3.2 34 17.0 32 45 24 30 54 15 51 73 28 16 26 0.00
22 23 185 2.6 25 11.0 36 48 25 35 54 19 65 80 49 26 32 0.00
24 24 177 5.0 93 28.0 51 62 39 51 66 39 84 100 64 46 48 1.39
25 25 307 3.5 276 17.0 50 58 35 47 61 28 74 100 41 41 45 0.13
26 26 360 2.6 274 18.0 40 52 29 38 57 24 70 96 40 30 35 0.00
27 27 119 1.6 272 9.0 41 52 30 39 56 26 85 98 48 36 38 0.08
21 28 366 3.2 324 17.0 43 52 35 41 60 28 64 93 39 31 37 0.00
29 29 303 2.8 28 12.0 40 50 31 39 57 26 64 85 44 29 35 0.00
I0 30 326 2.8 40 14.0 40 50 33 40 59 26 60 76 41 27 34 0.00
11 31 100 2.3 13 12.0 35 45 28 34 52 23 85 9S 53 31 33 0.62
MONTHLY STATISTICS
Total Wind Air Temperature Fuel Temperature Humidity Dew Wet Baro. Total
Solar Rad.Ave.V.Dir.Max.Mean Max Min Mean Max Min MeanMax Min Point Bulb Press. Precip.
ly. mph Deg mph Deg.Fahrenheit Deg.Fahrenheit Percent Deg.Fahrenheit in.Hg. inches
Total 6818 4.54
Ave. 220 3.5 299 17.7 45.6 54.7 36.8 43.9 58.5 32.1 69 90 47 35 41
Max. 366 6.9 30.0 65 71 62 64 71 62 100 100 98 64 64 1.39
Min. 37 1.5 9.0 29 37 23 28 44 15 34 48 19 10 23 0.00
Data are subject to further review and editing.Please refer any questions to the Western Regional Climate Center.
1 1y=1 cal'cm==4.1855 J''cm==3.6855 BTU'ft-_.01163 KW-hr`m=

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina Division of Water Quality General Permit No. NCG120000
Date submitted �'Y IOC Z02—L7
CERTIFICATE OF COVERAGE NO. NCG12/ (o SAMPLE COLLECTION YEAR 202-0
FACILITY NAME P N i CEA)I4lV i_ C J— SAMPLE PERIOD [ Ja June ❑July-Dec
COUNTY O� (GI�� or (Monthly' SA-NV, { (month)
PERSON COLLECTING S PLES LE l: G(_01=� DISCHARGING TO CLASS ORW ❑HQW (Trout ( IPNA
LABORATORY rN� ANC'` -\fTICAL Lab Cert.# (Zero-flow [Water Supply [ ISA
Comments on sample collection or analysis: nOther
PPCle -I 117kg-`I 13� 2ozo
PLEASE REMEMBER TO SIGN ON THE REVERSE -)
Part A:Stormwater Benchmarks and Monitoring Results •
No discharge this period?2
Outfall No. Date Sample 24-hour rainfall
Collected' amount,
(mo/dd/yr) Inches3 Chemical Oxygen Demand Fecal Coliform Total Suspended Solids
Benchmarks===> _ - 120 mg/L 1000 count per 100 mL 100 mg/L or 50 mg/L4
0 I /13 f zozo .3 Co `43 m671-- i4`J cf / n7 E. 3 Z mg/L
iM V I it 3/204v O 3e, 35 / L. (p cfk / jOet_ Li. 4 n SL
'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.
'The 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.
4 See General Permit text,Table 3,identifying the especially sensitive receiving water classifications where the more protective benchmark applies.
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 mg/L",where XX is the numerical value of the
detection limit, reporting limit, etc. in mg/L. Conversely,where fecal coliform results exceed the dilution upper limit, report the result as">XX".
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 text.
Permit Date:11/1/2012-10/31/2017 SWU-248,last revised 10/25/2012
Page 1 of 2

Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging> 55 gal of new oil per month.
No discharge this period?2
Date Sample 24-hour rainfall
Outfall No. 1
Collected amount, Non-polar O&G/TPH by
(mo/dd/yr) Inches3 EPA 1664(SGT-HEM) Total Suspended Solids pH •
Benchmarks===> - - 15 mg/L 100 mg/L or 50 mg/L4 6.0—9.0 SU
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 text.
FOR PART A AND PART B MONITORING RESULTS:
• A BENCHMARK EXCEEDANCE TRIGGERS TIER 1 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• 2 EXCEEDANCES IN A ROW FOR THE SAME PARAMETER AT THE SAME OUTFALL TRIGGER TIER 2 REQUIREMENTS. SEE PERMIT PART II SECTION B.
• TIER 3: HAS YOUR FACILITY HAD 4 OR MORE BENCHMARK EXCEEDENCES FOR THE SAME PARAMETER AT ANY ONE OUTFALL? YES ❑ NO❑
IF YES,HAVE YOU CONTACTED THE DWQ REGIONAL OFFICE? 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 the lab results(or at end of monitoring period
in the case of"No Discharge"reports)to:
Division of Water Quality
Attn:DWQ Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
"1 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 si ' ' ant penalties for submitting false information,including the possibility of fines and imprisonment for knowing violations."
t7G�
(Signature f P tt ) (Date)
Permit Date:11/1/2012-10/31/2017 SWU-248,last revised 10/25/2012
Page 2 of 2

ENco L t •
. .
Accurate. Timely. Responsive. innovative.
102-A Woodwinds Industrial Court
Cary NC,27511
Phone: [phone] FAX: [phone]
Thursday,January 23, 2020
Orange County Solid Waste Mgmt. Department(OR014)
Attn: Kristina Witosky
P.O. Box 17177
Chapel Hill, NC 27516
RE: Laboratory Results for
Project Number: [none], Project Name/Desc: Stormwater
ENCO Workorder(s): CD00510
Dear Kristina Witosky,
Enclosed is a copy of your laboratory report for test samples received by our laboratory on
Monday,January 13, 2020.
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 the laboratory,and may only be reproduced in full. Page 1 of 8

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SAMPLE SUMMARY/LABORATORY CHRONICLEII
-
Client ID: C&D Outfall Lab ID: CD00510-01 Sampled: 01/13/20 10:35 Received: 01/13/20 11:24
Parameter Preparation Hold Date/Time(s) Prep Date/Time(s1 Analysis Date/Time(s1
EPA 1664A EPA 1664A 02/10/20 01/20/20 13:44 01/21/20 14:54
SM 25400-2011 NO PREP 01/20/20 01/14/20 13:38 01/14/20 13:38
SM 4500H+B-2011 NO PREP 01/13/20 10:49 01/14/20 10:23 01/14/20 10:23
SM 5220D-2011 Same 02/10/20 01/14/20 09:13 01/14/20 11:48
Client ID: MSW Outfall Lab ID: CD00510-02 Sampled: 01/13/20 10:30 Received: 01/13/20 11:24
Parameter Preparation Hold Date/Time(s) Prep Date/Time(s1 Analysis Date/Time(s)
SM 25400-2011 NO PREP 01/20/20 01/14/20 13:38 01/14/20 13:38
SM 5220D-2011 Same 02/10/20 01/14/20 09:13 01/14/20 11:48
FINAL This report relates only to the sample as received by the laboratory,and may only be reproduced in full. Page 2 of 8

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SAMPLE DETECTION SUMMARYIII
_ Client ID: C&D Outfall Lab ID: CD00510-01
Anal a Results Flaq MDL POL pilts Method Notes
Chemical Oxygen Demand 43 10 10 mg/L SM 5220D-2011
pH 6.6 1.0 1.0 pH SM 4500H+B-2011 Q-01
Temperature for pH(deg.C) 21 pH SM 4500H+B-2011 Q-01
Total Suspended Solids 32 12 12 mg/L SM 2540D-2011
Client ID: MSW Outfall Lab ID: CD00510-02
Analvte Results flag MDL POL Units Method Notes
Chemical Oxygen Demand 33 10 10 mg/L SM 5220D-2011
Total Suspended Solids 4.4 2.5 2.5 mg/L SM 2540D-2011
FINAL This report relates only to the sample as received by the laboratory,and may only be reproduced in full. Page 3 of 8

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ANALYTICAL RESULTSII
Description: C&D Outfall Lab Sample ID:CD00510-01 Received: 01/13/20 11:24
Matrix: Ground Water Sampled:01/13/20 10:35 Work Order:CD00510
Project: Stormwater Sampled By:Client
Classical Chemistry ParametersII
^-ENCO Cary certified ana/yte[NC 591]
Analvte fCAS Number) Results Flag Units DF MDL POL Batch Method Analyzed I y Notes
Chemical Oxygen Demand^ 43 mg/L 1 10 10 0A14002 SM 5220D-2011 01/14/20 11:48 JOC
pH^ 6.6 pH 1 1.0 1.0 0A14003 3M 4500H+B-2011 01/14/20 10:23 ZGW Q-01
Temperature for pH(deg.C) 21 pH 1 0A14003 iM 4500H+B-2011 01/14/20 10:23 ZGW Q-01
Total Suspended Solids^ 32 mg/L 5 12 12 0A14033 SM 2540D-2011 01/14/20 13:38 BDC
Classical Chemistry Parameters
Analvte fCAS Number) Results Flaq Units DF MDL POL Batch Method Analyzed Ely Notes
Oil&Grease(HEM-SGT)Non-Polar Material 2.70 U mg/L 1 2.70 5.00 0A20015 EPA 1664A 01/21/20 14:54 SMA
Description: MSW Outfall Lab Sample ID:CD00510-02 Received: 01/13/20 11:24
Matrix: Ground Water Sampled:01/13/20 10:30 Work Order:CD00510
Project: Stormwater Sampled By:Client
Classical Chemistry Parameters
^-ENCO Cary certified analyte[NC 591]
Analvte ICAS Number) Results Flaq Units DF MDL POL Batch Method Analyzed Ily Notes
Chemical Oxygen Demand^ 33 mg/L 1 10 10 0A14002 SM 5220D-2011 01/14/20 11:48 JOC
Total Suspended Solids^ 4.4 mg/L 1 2.5 2.5 0A14033 SM 2540D-2011 01/14/20 13:38 BDC
FINAL This report relates only to the sample as received by the laboratory,and may only be reproduced in full. Page 4 of 8

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QUALITY CONTROL DATAII
Classical Chemistry Parameters-Quality Control
Batch 0A14002-Same
Blank(0A14002-BLK1) Prepared:01/14/2020 09:13 Analyzed:01/14/2020 11:48
Spike Source %REC RPD
Analvte Result Rao POL Units Level Result %REC Limits RPD Limi Notes
Chemical Oxygen Demand 10 U 10 mg/L
LCS(0A14002-BS1) Prepared:01/14/2020 09:13 Analyzed:01/14/2020 11:48
Spike Source %REC RPD
Analvte Result flee POL Units Level Result %REC Linijil RPD Limit Notes
Chemical Oxygen Demand 520 10 mg/L 500 103 90-110
Matrix Spike(0A14002-MS1) Prepared:01/14/2020 09:13 Analyzed:01/14/2020 11:48
Source:CC20971-19
Spike Source %REC RPD
Analvte Result Flaq POL Units Level Result %REC imi RPD Limi Notes
Chemical Oxygen Demand 1900 20 mg/L 1000 830 103 90-110
Matrix Spike Dup(0A14002-MSD1) Prepared:01/14/2020 09:13 Analyzed:01/14/2020 11:48
Source:CC20971-19
Spike Source %REC RPD
Anal Result ffao P L Units Level Result %REC Lin__ i RPD Limit Notes
Chemical Oxygen Demand 1800 20 mg/L 1000 830 100 90-110 2 5
Batch 0A14003-NO PREP
LCS(0A14003-BS1) Prepared&Analyzed:01/14/2020 10:23
Spike Source %REC RPD
Analvte Result flao E01. Units Level Result %REC Limits RPD Limit Notes
pH 7.0 1.0 pH 7.00 100 99-101
Duplicate(0A14003-DUP1) Prepared&Analyzed:01/14/2020 10:23II
Source:CC09664-01
Spike Source %REC RPD
Analvte Result Sao Q Units Level Result %REC Limits RPD Limi Notes
pH 7.8 1.0 pH 7.7 1 25
Batch 0A14033-NO PREP III
Blank(0A14033-BLK1) Prepared&Analyzed:01/14/2020 13:38
Spike Source %REC RPD
Analvte Result Flaq P L Units Level Result %REC Limits RPD Limit Notes
Total Suspended Solids 2.5 U 2.5 mg/L
LCS(0A14033-BS1) Prepared&Analyzed:01/14/2020 13:38II
Spike Source a/REC RPD
Analvte Result Elm POL Ultts Level Result %REC Limits RPD Limi Notes
Total Suspended Solids 92 2.5 mg/L 100 92 80-120 LL
Duplicate(0A14033-DUP1) Prepared&Analyzed:01/14/2020 13:38II
Source:CC09664-01
Spike Source %REC RPD
Analvte Result Hag POL Units Level Result %REC Limits RPD Limi Notes
Total Suspended Solids 170 41 mg/L 140 19 20
FINAL This report relates only to the sample as received by the laboratory,and may only be reproduced in full. Page 5 of 8

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QUALITY CONTROL DATA
1
Classical Chemistry Parameters-Quality Control
ti
Batch 0A14033-NO PREP-Continued
Duplicate(0A14033-DUP2) Prepared&Analyzed:01/14/2020 13:38
Source:CD00301-04
Spike Source %REC RPD
Analvte Result fiao P L Units Level Result %REC Lin_fits RPD Limi Notes
Total Suspended Solids 21 5.6 mg/L 19 11 . 20 L`
Classical Chemistry Parameters-Quality Control
Batch 0A20015-EPA 1664E
Blank(0A20015-BLK1) Prepared:01/20/2020 13:44 Analyzed:01/21/2020 14:54
Spike Source %REC RPD
Analvte Result Flan IQ Units Level Result %REC }Limits RPD Limi Notes
Oil&Grease(HEM-SGT)Non-Polar Material 2.70 U 5.00 mg/L
LCS(0A20015-BS1) Prepared:01/20/2020 13:44 Analyzed:01/21/2020 14:54II
Spike Source %REC RPD
Result Flaq POL Units Level Result %REC Lin Lint,s RPD Limit Notes
Oil&Grease(HEM-SGT)Non-Polar Material 62.0 5.00 mg/L 77.5 80 64-132 QR-06
LCS Dup(0A20015-BSD1) Prepared:01/20/2020 13:44 Analyzed:01/21/2020 14:54
Spike Source %REC RPD
Analvte Result flag Q thlits Level Result %REC Limits RPD Limi Notes
Oil&Grease(HEM-SGT)Non-Polar Material 90.7 5.00 mg/L 77.5 117 64-132 38 34 QR-06
Matrix Spike(0A20015-MS1) Prepared:01/20/2020 13:44 Analyzed:01/21/2020 14:54
Source:BD00229-01
Spike Source %REC RPD
_AnavrP Result flag POI- was Level Result %REC Limits RPD Limit Notes
Oil&Grease(HEM-SGT)Non-Polar Material 60.9 5.00 mg/L 90.9 21.2 44 64-132 QM-07
FINAL This report relates only to the sample as received by the laboratory,and may only be reproduced In full. Page 6 of 8

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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.
] 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.
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.
Q-01 Analysis performed outside of method-specified holding time.
QM-07 The spike recovery was outside acceptance limits for the MS and/or MSD. The batch was accepted based
on acceptable LCS recovery.
QR-06 The RPD value for the LCS/LCSD was outside of QC acceptance limits.
FINAL This report relates only to the sample as received by the laboratory,and may only be reproduced in full. Page 7 of 8

O) 10775 Central Port Dr. 4810 Executive Park Court,Suite 111 102-A Woodwinds Industrial Cl.
tirlimirNill_ILION Orlando.FL 32824 Jacksonville.FL 32216 6069 Cary.NC 27511
[phone] [phone] Fax[phone] [phone] Fax[phone] Page of
Client Name Project Number Requested Analyses Requested Turnaround
*urge County Solid Waits Meat Deportment(OR014) [none] = Times
Address Project Name/Desc
Note:Rush requests subject to
P.O.Box 17177 tom�wai:er
acceptance by the facility
City/ST/Ztp PO k 1 Billing Info CO t..
Chapel Hip,NC 27516 Iai in
0 _Standard
Tel Fax Reporting Contact
[phone] ereeirWeedy kn.5 4 GUl L tr. a g N Expedited
Sampler(s)Name.Affiliation(Print) Billing Contact
Tom Laughlin € Due_/ /_
o 2 CD CO
Samplers)Signature Site Location/Time Zone 0 Cl) Lab Workorder
U t� O a 11— CDOO51O
Preservation(See Codes)(Combine as necessary)
Collection Matrix Total if of
Item a Sample ID(Field Identification) Collection Dale Time Comp I Grab (see codes) Containers Sample Comments
C&D Our 1--J 2O20 0:36 GW 6 X X X X X
MSW OutfaR 13- o O /0:32 GW 3 X X X •
•
<—Total#of Containers
Sample Kit Prepared By Dal tme Relinquished By Date/rime Received By , tme ..
1 tge2.45 lee- etedt.4-e /4 3-2t I/.21 . / • /320//2y
COmmenWSpecral Repo ng Requirements Relinquished By Date/rime . '•y Date/Time
Relinquished By Date/fime - • ed By Daterme
Cooler en 8 Temps on Ri 1 1 Condition Receipt
em—" I. •L _Acceptable Unacceptable
Matrix:GW-Groundwater SO-Soil OW-Drinking Water SE-Sediment SW-Surface Water WW-Wastewater A-Air 0-Other(detail in comments) Preservation:I-Ice H-HCI N-HNO3 S-H2SO4 NO-NaOH 0-Other(detail in comments)
Note:At samples submitted to ENCO Labs are in accordance with the terms and conditions listed on the reverse of this form,unless prior written agreements exist

Sample Preservation Verification. E r
ENCO Cary (E.ISlc: c
Work Order: CD00510 Project: Stormwater
Client: Orange County Solid Waste Mgmt. Department(OR Project#: [none]
Logged In: 13-Jan-20 11:23 Logged By: John C King Preservation Check Performed By: Date/Time: ( -(3 7 D < <•cD
CD00510-01
Cont Type Pres(pH) pH Checked pH Adjusted Date/Time Reagent Used/Comments
Requirement In Control Adjusted
B 250mLA+H2SO4 <2 Y / N N Y / N /CA
C 250mLA+H2SO4 <2 Y / N / Y / N / iV
E 250mLP+H2SO4 <2 j / N / NA Y /6 / NA
CD00510-02
Cont Type Pres(pH) pH Checked/ pH Adjusted Date/TimeReagent Used/Comments
yp Requirement In Control Adjusted
B 250mLP+H2SO4 <2 Y)/ N i NA Y /,N,'/ NA
Reagent Name ID Reagent Name ID Reagent Name ID
1 3 5
2 4 6
pH Strip ID: C`-f}P}/n>l0/
C:\ELMNT\Print\wko_PreservationCheck.rpt Page 1

Pace Analytical Services,LLC
ID 9800 KinceyAve. Suite 100
aceAnalytical Huntersville,NC 28078
www.pacelabs.com [phone]
January 15, 2020
Mr. Chuck Smith
ENCO Labs
102-A Woodwinds Industrial Ct.
Cary, NC 27511
RE: Project: CD00510
Pace Project No.: 92460422
Dear Mr. Smith:
Enclosed are the analytical results for samples) received by the laboratory on January 13, 2020.
The results relate only to the samples included in this report. Results reported herein conform to the
most current, applicable TNI/NELAC standards and the laboratory's Quality Assurance Manual,
where applicable, unless otherwise noted in the body of the report.
If you have any questions concerning this report, please feel free to contact me.
Sincerely,
Sarah Graham
[e-mail]
[phone]
Project Manager
Enclosures
ivjlirk
.. 1 REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
without the written consent of Pace Analytical Services,LLC. Page 1 of 10

Pacsealytical Services,LLC
Si 9800
aceAnalytical Kincey Ave. Suite100
Huntersville,NC 28078078
www.pacelabs.com [phone]
CERTIFICATIONS
Project: CD00510
Pace Project No.: 92460422
Pace Analytical Services Raleigh
6701 Conference Drive,Raleigh,NC 27607 North Carolina Bioassay Certification#: 16
North Carolina Wastewater Certification#:67 North Carolina Drinking Water Certification#:37731
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
without the written consent of Pace Analytical Services,LLC. Page 2 of 10

Pace Analytical Services,LLC
(/ 9
® 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
www.pacelaha.cem [phone]
SAMPLE ANALYTE COUNT
Project: CD00510
Pace Project No.: 92460422
Analytes
Lab ID Sample ID Method Analysts Reported Laboratory
92460422001 C&D Outfall SM 9222D-2006 WT 1 PASI-R
92460422002 MSW Outfall SM 9222D-2006 WT 1 PASI-R
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
without the written consent of Pace Analytical Services,LLC. Page 3 of 10

Pace Analytical Services,LLC
aceAnalytical® 9800 Kincey Ave. Suite 100
Huntersville,NC 28078
www.pacelabs.com [phone]
ANALYTICAL RESULTS
Project: CD00510
Pace Project No.: 92460422
Sample: C&D Outfall Lab ID: 92460422001 Collected: 01/13/20 10:35 Received: 01/13/20 12:08 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MBIO 9222D Fecal Coliform RAL Analytical Method:SM 9222D-2006 Preparation Method:SM 9222D-2006
Fecal Coliforms 45.0 CFU/100 mL 1.0 1 01/13/20 12:50 01/14/20 12:32
Sample: MSW Outfall Lab ID: 92460422002 Collected: 01/13/20 10:30 Received: 01/13/20 12:08 Matrix: Water
Parameters Results Units Report Limit DF Prepared Analyzed CAS No. Qual
MBIO 9222D Fecal Coliform RAL Analytical Method:SM 9222D-2006 Preparation Method:SM 9222D-2006
Fecal Coliforms 6.0 CFU/100 mL 1.0 1 01/13/20 12:50 01/14/20 12:32
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/15/2020 03:04 PM without the written consent of Pace Analytical Services,LLC. Page 4 of 10

Pace Analytical Services,LLC
aceAnalyti ® 9800Suite cal Huntersv lle,C28078 -
www.pacelabs.cota [phone]
QUALITY CONTROL DATA
Project: CD00510
Pace Project No.: 92460422
QC Batch: 519431 Analysis Method: SM 9222D-2006
QC Batch Method: SM 9222D-2006 Analysis Description: 9222D Fecal Coliform(MF)-RAL
Associated Lab Samples: 92460422001,92460422002
METHOD BLANK: 2779895 Matrix: Water
Associated Lab Samples: 92460422001,92460422002
Blank Reporting
Parameter Units Result Limit Analyzed Qualifiers
Fecal Coliforms CFU/100 mL ND 1.0 01/14/20 12:32
SAMPLE DUPLICATE: 2779896
92460422001 Dup
Parameter Units Result Result RPD Qualifiers
Fecal Coliforms CFU/100 mL 45.0 55.0 20
•
Results presented on this page are in the units indicated by the"Units"column except where an alternate unit is presented to the right of the result.
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/15/2020 03:04 PM without the written consent of Pace Analytical Services,LLC. Page 5 of 10

Pace Analytical Services,LLC
® 9800 Kincey Ave. Suite 100
aceAnalytical Huntersville,NC 28078
ww►v.pacelaba.catn [phone]
QUALIFIERS
Project: CD00510
Pace Project No.: 92460422
DEFINITIONS
DF-Dilution Factor,if reported,represents the factor applied to the reported data due to dilution of the sample aliquot.
ND-Not Detected at or above adjusted reporting limit.
TNTC-Too Numerous To Count
J-Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.
MDL-Adjusted Method Detection Limit.
PQL-Practical Quantitation Limit.
RL-Reporting Limit-The lowest concentration value that meets project requirements for quantitative data with known precision and
bias for a specific analyte in a specific matrix.
S-Surrogate
1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270.The result for each analyte is
a combined concentration.
Consistent with EPA guidelines,unrounded data are displayed and have been used to calculate%recovery and RPD values.
LCS(D)-Laboratory Control Sample(Duplicate)
MS(D)-Matrix Spike(Duplicate)
DUP-Sample Duplicate
RPD-Relative Percent Difference
NC-Not Calculable.
SG-Silica Gel-Clean-Up
U-Indicates the compound was analyzed for,but not detected.
Acid preservation may not be appropriate for 2 Chloroethylvinyl ether.
A separate vial preserved to a pH of 4-5 is recommended in SW846 Chapter 4 for the analysis of Acrolein and Acrylonitrile by EPA
Method 8260.
N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported for
each analyte is a combined concentration.
Pace Analytical is TNI accredited.Contact your Pace PM for the current list of accredited analytes.
TNI-The NELAC Institute.
LABORATORIES
PASI-R Pace Analytical Services-Raleigh
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/15/2020 03:04 PM without the written consent of Pace Analytical Services,LLC. Page 6 of 10

Pace Analytical Services,LLC
® 9800 Kincey Ave.aceAnalytical Huntersv vle,NC Suite 1008
www.pacalabs.com [phone]
QUALITY CONTROL DATA CROSS REFERENCE TABLE
Project: CD00510
Pace Project No.: 92460422
Analytical
Lab ID Sample ID QC Batch Method QC Batch Analytical Method Batch
92460422001 C&D Outfall SM 9222D-2006 519431 SM 9222D-2006 519432
92460422002 MSW Outfall SM 92220-2006 519431 SM 9222D-2006 519432
REPORT OF LABORATORY ANALYSIS
This report shall not be reproduced,except in full,
Date:01/15/2020 03:04 PM without the written consent of Pace Analytical Services,LLC. Page 7 of 10

Document Name: Document Revised:February 7,201B
Sample Condition Upon Recelpt(SCUR) Pave 1 of 2
aeeAnalytical' Document No.: Issuing Authority:
F-CAR-CS•033•Rev.06 Pace Carolinas Quality Office
Laboratory receiving samples:
Asheville❑ Eden❑ Greenwood❑ Huntersville❑ Rale(gh' Mechanicsville❑
Sample Condition Client Name: wO# : 92460422
Upon Receipt C./ a C O Project#:
Courier: ❑Fed Ex ❑UPS ❑LISPS :Client j 111 I 111111 I I III
❑Commercial ❑Pace ❑Other: 92460422
Custody Seal Present? Des ONo Seats Intact? Oyes ONo
Date/initials Person Examining Contents: 1N tJ
Packing Material:. ❑Bubble Wrap • ❑Bubble Bags ONone ❑ Other Biological Tissue Frozen?
Thermometer: C� Des ❑No ON/A
MIRGunID:1'YOyld TypeofIce: DWet ❑Blue [(None
Cooler Temp('C): p Correction Factor: tract -
Lie Temp should be above freezing to 6'C
Cooler Temp Corrected(°C): D . ❑Samples out of temp criteria.Samples on ice,cooling process
has begun
USDA Regulated Soil (lig N/A,water sample)
Did samples originate in a quarantine zone within the United States:CA,NY,or SC(check maps)? Did samples originate from a foreign source(internationally,
Eyes []No including Hawaii and Puerto Rico)?❑Yes OW
Comments/Discrepancy:
Chain of Custody Present? ,es ❑No ❑N/A 1.
Samples Arrived within Hold Time? s Do L:JN/A 2.
Short Hold Time Analysis(<72 hr.)? 'pies ONo ON/A 3.
Rush Turn Around Time Requested? ❑Yes jililo ON/A 4.
Sufficient Volume? pes ❑No ON/A 5.
Correct Containers Used? pes ❑No ON/A 6.
-Pace Containers Used? ylVes ❑No ❑N/A
Containers Intact? es ONo ON/A 7.
Dissolved analysis:Samples Field Filtered? Dyes ❑Na }V/A
8.
Sample Labels Match COC? )giNes ONo ON/A
-Includes Date/Time/ID/Analysis Matrix:_ A
Headspace in VOA Vials(>5-6mm)? ❑Yes [lNo !4F'/A 10.
Trip Blank Present? ❑Yes ONo 'al /A 11.
Trip Blank Custody Seals Present? ®Yes ■No r14/A •
COMMENTS/SAMPLE DISCREPANCY Field Data Required? Dyes ❑No
Lot ID of split containers:
CLIENT NOTIFICATION/RESOLUTION
Person contacted: Date/Time:
Project Manager SCURF Review: Date: I — I Z D Zo
Project Manager SRF Review: j) CY I g Date: I—)J'y L0Z0
Page 8 of 10

—
Document Name: Document Revised:February 7,2018
Sample Condition Upon Recelpt(SCUR) Page 1 of 2
aceAna(ytieal Document No.: Issuing Authority:
F-CAR-CS-033-Rev.06 Pace Carolinas Quality Office
*Check mark top half of box if pH and/or dechlorination is Project WO# : 92460422
verified and within the acceptance range for preservation Due Date: 01/22/20
samples. PM: SMG
Exceptions:VOA,Conform,TOC,Oil and Grease,DRO/8015(water)DOC,LLHg CLIENT: 92—ENCO
**Bottom half of box is to list number of bottle
1
0 A - u _ z
Z Z Z ¢ 0 E. Z _ Z , a m O1 2,
7 C a Z N rY Z .N-1 C Z N N iv u \ Z m Ol a
u v v xy m _ a v x r. Q Z s a Q a 2 ? v
0) adi u 2 a. _- m - A ,, v if o a Z ¢ Y Z z w "
m P m u x A p , n a 0 2 m ` m = Y u ry a '>
a a a p O O Q T5 c O Z O Z yp o r- �, I c c a
7 C N = Z p U C = N = 4 N a p, a 0. Z 2,
u u u I u Z T _ = x ai U .. 1- u _°
'a N u N i c •tj v - d e 2 Z n = Y Y Y .0 L ,n _ EU
m ro @ ra a - 0 o E E E E E Pi < p O < a a pit Ia Q `g
a a a a a a E 6 Q Q J .l > > > > " J J J
J J a -E.'
0 E r Ln o ,E E z 0 01 0 m E E E E > vEi o o S 0 0
0 O O O
" N rl� 3 N N Q q q a FT--2- N ry i N a
*4 fit > > S vl , 2 h- 7 a Y Y Q > > >
E M N ._-� Q m a V " •4 •� m '+ m m m m m Q 55 ri�i N m o o vi
u %4 a a a a a a - Si Si t7 (5 l7 t7 2 L> (5 2 O - a a a 0 4n
•• 3O
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23
4
5 1IhIIiIiii1IIIIIpi1II
.,........ . , . ,,mi.
8
9
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12 ,
pH Adjustment Log for Preserved Samples
Sample ID Type of Preservative pH upon receipt Date preservation adjusted Time preservation Amount of Preservative ' Lot#
adjusted added
Note: Whenever there 1s a discrepancy affecting North Carolina compliance samples,a copy of this form will be sent to the North Carolina DEHNR Certification Office(i.e.
Out of hold,incorrect preservative,out of temp,incorrect containers.
Page 9 of 10

SUBCONTRACT ORDER
ENCO Cary
CD00510 -) (-1 i.i % 7.� L.-
SENDING LABORATORY: RECEIVING LABORATORY:
ENCO Cary Pace Analytical(Raleigh NC)
102-A Woodwinds Industrial Court 4915 Waters Edge Dr 4120
Cary,NC 27511 Raleigh,NC 27606
Phone: [phone] Phone:(9I9)834-4984
Fax:[phone] Fax:
Project Manager: Chuck Smith Project State of Origin: North Carolina
Sub Lab ID Originating Lab ID Client Matrix Date Sampled Sample Comments
C&D Outfall Ground Water 13-Jan-20 10:35 t
^v�1�'v� '•,h��. c�,{ F � r ift' �`� .'}`n. �c �� ,�G-m � rm �7�:- •tu- 'ti r,��,r U.,�._.. �'i�ir" ���' a
»..- ,1a? ; gMa;ji YMergf: ;raa 1 ei illaiU tad M �,ilk ' ti ��1 illt . ti h r,1, 00n4 ..: .
Coliforrn,Fecal as E.coil 22-Jan-20 15:00 13-Jan-20 16:35 sub to Pace
Containers Supplied:
Sterile250mLP+NaThio(F)
Sub Lab ID Originating Lab ID Client Matrix Date Sampled Sample Comments
MSW Outfall Ground Water�y 13-Jan-20s 10:30 UD2,
ftMgVt t ;MgjMI �"Lk f'g aiXVPk791{;IbWgf ,Vgffi I agsR'E: iL64Rd(ia.i L tgtlrk ?cjR!!%agt!,`Vh1RM,', i
Coliform,Fecal as E,coli 22-Jan-20 15:00 I3-Jan-20 16:30 sub to Pace
Containers Supplied:
Sterile250mLP+NaThio(C)
77) 1/131ao 1 20 ( /`�— i/I3/765 )?4e
Released By Date Received By Date
Released By Date Received By Date
Page ' e110 of 10