NCG210115_MONITORING INFO_20191231

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STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
DOC TYPE
❑ HISTORICAL FILE
MONITORING REPORTS
DOC DATE
❑ L� I /c) 3
YYYYMMDD

Semi-annual Stormwater Discharge Monitoring Report
for North Carolina DEMLR General Permit No. NCG210000
CERTIFICATE OF COVERAGE NO. NCG210 1 1 5
FACILITYNAME WEYERHAEUSER COMPANY
COUNTY SURRY
PERSON COLLECTING SAMPLES DENNIS ATKINSON
Date submitted December3.2019
SAMPLE COLLECTION YEAR 2019
SAMPLE PERIOD ❑ Jan -June ❑® July -Dec
or ❑ Monthly' (month)
��� DISCHARGING TO CLASS ❑ORW ❑HQW [—]Trout❑PNA
LABORATORY PRISM Lab Cert. # 402 oF�� '�^ ❑ Zero- flow ❑Water Supply ❑SA
Comments on sample collection or analysis: ©y�lj, iI?019
Other
PLEASE REMEMBER TO SIGN ON THE REVERSE
Part A: Stormwater Benchmarks and Monitoring Results (Monitoring is required only if the facility stores exposed accumulations of sawdust, wood chips,
bark, mulch, or other similar material on site for longer than seven (7) days.)
❑f No discharge this period?'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches'
Chemical Oxygen DemandTotal
Suspended Solids
Benchmarks =__>
-
-
120 mg/L
100 mg/L or 50 mg/L4'
01
11/12/19
.33
23
88
' Monthly sampling (instead of semi-annual) must begin with the second consecutive benchmark exceedance for the same parameter at the same outfall.
' 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 mR/L where XX is the numerical value of the
detection limit, reporting limit, etc. in mg/L.
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: 8/1/2018-7/31/2023 SWU-245, last revised 8/6/2018
Page 1 of 2

Part B: Vehicle Maintenance Area Monitoring Results: only for facilities averaging > 55 gal of new oil per month.
n No discharge this period?'
Outfall No.
Date Sample
Collected'
(mo/dd/yr)
24-hour rainfall
amount,
Inches
Non -polar O&G by EPA
1664 (SGT-HEM)
Total Suspended Solids
Benchmarks =__>
-
-
15 mg/L
100 mg/L or 50.mg/L4
01
11/12/119
.33
0
88
Footnotes from'Part A also apply to this Part B
Note: If you report a sample iva/ue in excess of the benchmark, you must implement Tier 1, Tier 1,' or Tier 3 responses. See General Permit text.
FOR PART 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 ANYONE OUTFALL? YES ❑ NO ❑E
IF YES, HAVE YOU CONTACTED THE DEMUR REGIONAL OFFICE? YES ❑ NO ❑
REGIONAL OFFICE CONTACT NAME:
Mail an original and one
in the case of "No Discho
rthis DMR, including all "No
Division of Water Resources
Attn: DWR Central Files
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
to:
YOU MUST SIGN THIS CERTIFICATION FOR ANY INFORMATION REPORTED:
ports, within 30 days of receipt of the lab results (or at end
"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 awa at t a ignificant penalties for submitting false information, including the possibility of fines and imprisonment for knowing violations."
(S ature of Permittee) (Dat
Permit Date: 8/1/2018-7/31/2023 SWU-245, last revised 8/6/2018
Page 2 of 2

§rX Case Narrative
NC Certification No. 402 i'
DPi Full -Service Analytical 8 NC Drinking water Can No. 37735 12/2/19 13:22
, R I M Environmental Solutions SC Certification No. 99012
V'UBOMTORIES, INC
Weyerhaeuser Corporation
Dennis Atkinson
524 Pride Way
Elkin, NC 28621
Project: Stormwater
Lab Submittal Date: 11/13/2019
Prism Work Order: 9110234
This data package contains the analytical results for the project identified above and includes a Case Narrative, Sample
Results and Chain of Custody. Unless otherwise noted, all samples were received in acceptable condition and processed
according to the referenced methods.
Data qualifiers are Flagged individually on each sample. A key reference for the data qualifiers appears at the end of this case
narrative.
Please call if you have any questions relating to this analytical report.
Respectfully,
PRISM LABORATORIES, INC.
r
Terri W Cole
Project Manager
Data Qualifiers Key Reference
Reviewed By Terri W. Cole
Project Manager._.
A Blank value is outside of the control limits. -
DID Difference between sample dilutions is greater than 30%. -
GH GGA result is greater than the control limit.
HT Sample received and analyzed outside of the hold time.
OG HEM O&G is less than the reporting limit, therefore TPH (SGT-HEM) is less than the reporting limit. Sample not
extracted for TPH (SGT-HEM).
BRL Below Reporting Limit
MDL Method Detection Limit
RPD Relative Percent Difference
* Results reported to the reporting limit. All other results are reported to the MDL with values between MDL and
reporting limit indicated with a J.
This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc.
449 Springbrook Road - P.O. Box 240543 - Charlotte, INC 28224-0543
Phone: [phone] - Toll Free Number: 1.8001529-6364 - Fax: [phone] Page 1 Of 4

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I S M
, ll-Service Analytical A
environmental Solutions
�IPEOnPMa1EA
iNc
Client Sample ID
Stormwater
Sample Receipt Summary
12/02/2019
Prism Work Order: 9110234
Lab Sample ID Matrix Date/Time Sampled DateFrime Received
9110234-01 Water 11/12/19 9:00 11/13/19 8:30
Samples were received in good condition at 5.7 degrees C unless otherwise noted.
This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc.
449 Springbrook Road - P.O. Box 240543 - charlotte, INC 26224-0543
Phone: [phone] - Toll Free Number: 1-600/529-6364 - Fax: [phone] Page 2 of 4

Laboratory Report
�PO
R I S M
Full -Service Analytical
I Environmental
&
Solutions
12/02/2019
vumamaxa �«<
Weyerhaeuser Corporation
Project: Stormwater
Client Sample ID: Stormwater
Attn: Dennis Atkinson
Prism Sample ID: 9110234-01
524 Pride Way -
-
Prism Work Order: 9110234
.- - Elkin, NC 28621
Sample Matrix: Water
Time Collected: 11/12/19 09:00
Time Submitted: 11/13/19 08:30
Batch
Parameter
Result '. Units
Report
MDL
Dilution Method Analysis Analyst
Limit
Factor Date/Time
ID
General Chemistry Parameters
Biochemical Oxygen Demand
23 A, be, GH mg/L
2.0
0.21
1 'S M6210 B 11/14119 8:45 CBM
P91<0346
Chemical Oxygen Demand
68 mg/L
50
10
1 'SM5220 D 11/15119 11:22 SLS
P91(0306
Oil & Grease (SGT-HEM)
BRLOG mg/L
5.0
IS
1 '1664B 11/22/19 7:07 SLS
PSK0397
PH
7.4 HT pH Units-'
1 'SM4500-H B 11/13/19 16:13 CBM
P91(0271
Total Suspended Solids
88 mg/L
12
0.70
1 'SM2540 D ii/19119 13:57 CBM
P91(0345
Temperature
17.7 HT pH Units'-
1 'SM4500-H B 11/13/19 16:13 CBM
PSK0271
This report should not be reproduced, except in its entirety, without the written consent of Prism Laboratories, Inc.
449 Spdngbreok Road - P.O. Box 240543 - Charlotte, NC 28224-0543
Phone: [phone] -Toll Free Number 1.8001529-6364- Fax: [phone] Page 3 0( 4

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CHAIN OF CUSTODY RECORD'
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Report To/Comact Name"�:-j��'��l n 1��rS -I LLI .b,G�' �.}'`provlaione and/or OC RegWromanM
Rep4jjInq Address:..113A_T .:r ,1_r�aG. Imolce To:. act fh
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TO BE FILLED IN BY CLIENT/SAMPLING PERSONNEL
EDD Type: PDF_p E%Cal'_OIf18r
Roqueeted Due Date O t Day O 2 Day& O 7 Days O a Days 05 Days -
Certification: NELAC_USACE FL
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•WorWrp Days- 066 Daye)(Stenderd 10 days O Ruah Work Mwt Ba
Site Location Name: eR l'an e`SOVL
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Water Chlodnated: Y NO_
(SEE REVERSE FOR TERMS A CONDITIONS REOaRDIMG BERMESSample
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