NCG030033_2023 DMR_20230828

NCDEQ Division of Energy, Mineral and Land Resources
Stormwater Discha e o i oring Report D,: For, for
Meta) Fabrication
Click here for instructions
Complete,sign,scan and submit the DMR via the Stormwater NPOES Permit Datr Monitoring Report(DMR) Upload form within
30 days of receiving sampling results. Mail the original,signed hard copy of the DMR to the a proQ.ri ate,DE MLR(2s Tonal Office.
Certificate of Coverage No. NCGO3 0033 Person Collecting Samples: Parker Alvis
Facility Name:Isomtetrics Plant#1 Laboratory Name: Pace Analytical Laboratories
Facility County: Rockingham Laboratory Cert. No.: 633
Discharge during this period:I" I Yes 13 1 No (lino,skip to signature and date)
Has your facility implemented mandatory Tier response actions this sample period for any benchmark exceedances? Yes fl No
If so,which Tier(I, II,or III)? Tier III
A copy of this DMR has been uploaded electronically via}h1:t;s:jr lucs.deu.nc.pov/Forms,/SW-Div1R E Yes fl No
Date Uploaded:
Analytical Monitoring Requirements for Outfalls with Industrial Activities—Benchmarks in(Red)
Parameter Parameter Outfall 001 Outfall 002 Outfall Outfall Outfall
Code
N/A Receiving Stream Class C C
N/A Date Sample Collected MM/DD/YYYY 08/10/23 08/10/23
46529 24-Hour Rainfall in inches 1.3 1.3
C0530 TSS in mg/L(100 or 50*) 26.4 8.3
00400 pH in standard units(6,0—9.0 FW, 7.88 7.88
6, -8,5 SW)
01119 Copper,total recoverable in mg/L 0.00745 0.0162
(0.010 FW,0.0058 SW)
01051 Lead,total recoverable in mg/L 0.0035 0.00225
(0.075 FW,0,22 SW)
01094 Zinc,total recoverable in mg/L(0,126 0.025 0.202
FW,0.095 SW)
00340 Chemical Oxygen Demand(COD) in 29.5 42
mg/L(120)
00552 Non-Polar Oil&Grease in mg/L(15) 1.33 1.37
*Outfalls to Outstanding Resource Waters(ORW),High Quality Waters(HQW),Trout Waters(Tr)and Primary Nursery Areas(PNA)
have a benchmark TSS limit of 50 rag/L.All other water classifications have a benchmark of 106 mg/L
FW(Freshwater)SW(Saltwater)
Notes(optional): This storm event has triggered Tier Ill Response for Copper and Zinc in Outfall 002.
"I certify by my signature below,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 th.e 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 ossibility of fines and imprisonment for knowing violations."
' 04/,97 5
Signature of Permittee or Delegated Authorized Individual Date
[e-mail] 336-349-2329
Email Address Phone Number