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HomeMy WebLinkAboutNCG060031_Semi-Annual DMR_20200330March 25, 2020 Archer Daniels Midland Company 1730 East Moore St. S.E. Southport, N.C. 28461 T (910) 457-501 1 F (910) 457-0369 REIV—E Bethany Georgoulias DEMLR Stormwater Program ��' Q��� 61h Floor DENR-LAND QUALITY 512 N. Salisbury Street STORMWATER PERMIT7-ING Raleigh, NC 27604 Subject: Semi -Annual Stormwater Discharge Monitoring Report Dear Bethany: Enclosed please find the Semi Annual Stormwater Discharge Monitoring Report for Archer Daniels Midland Company (ADM) located in Southport, Brunswick County, North Carolina. Outfall 001— Oil & Grease ADM reviewed the February 20, 2020 analytical results and after investigation, has determined 56.9 mg/L is not a valid sampling result for the Oil & Grease Value for Outfall 001. The TSS & COD were very low, and the appearance was clear without a sheen with no indication of oil or grease being present. Upon receiving the laboratory results on March 4, 2020, we inspected the storm water conveyance system for Outfall 001 and found no possible cause for an elevated oil & grease result. Subsequently, the next measurable storm event occurred the day after receiving the results, so we pulled qualitative and analytical samples from Outfall 001 on March 5, 2020. The Oil & Grease (analyzed by the same external Laboratory and method) was <5 mg/L Below the Detection Limit. Table 1 has been included to provide an Oil & Grease "historical perspective" for Outfall 001.The historical perspective consistently indicates "Below the Detection Limit" for Oil & Grease for all the past seven (7) monitoring periods. Table 1: Outfall 001 Oil & Grease "Historical Perspective" Date Oil & Grease, mg/L 3/31/17 <5 11/09/17 <5 4/24/ 18 <5 10/26/18 <5 1 /24/ 19 <5 11 /08/19 <5 2/20/20 56.9 3/05/20 <5 Given the above investigation, ADM has determined the February 20, 2020 sample for Outfall 001 is not a valid sampling result and thus does not qualify for a Tier One Response. The sample collected on March 5, 2020 for Outfall 001 is considered the first valid sampling result for Outfall 001 for Period 1 of the 2020 sampling year and was in compliance with all benchmark values. If you have any questions or comments regarding this submittal, please contact me at Jeffrey. Spencer(a�ADM.com or call me at (910) 409-2465. Sincerely, /erv- *ry Spenc Waste Treatment Supervisor Attachments r.�fff��nrczt Quality Stormwater Discharge Outfall (SDO) Qualitative Monitoring Report For guidance on filling out this form, please visit https://deq.nc.gov/about/divisions/energy-mineral-land- resources/ npdes-stormwater-gps Permit No.: N/C/ 0/6 /0 /0 /0 /0/ or Certificate of Coverage No.: N/C/G/0 / 6/0 /0 /3 / 1 / Facility Name: Archer Daniels Midland Company County: Brunswick Phone No. (910) 45 7-5 011 Inspector: Jeffrey D. Spencer Date of Inspection: February 20, 2020 Time of Inspection: 16:00 Hours Total Event Precipitation (inches) 1.5" All permits require qualitative monitoring to be performed during a "measurable storm event." A "measurable storm event" is a storm event that results in an actual discharge from the permitted site outfall. The previous measurable storm event must have been at least 72 hours prior. The 72-hour storm interval does not apply if the permittee is able to document that a shorter interval is representative for local storm events during the sampling period, and the permittee obtains approval from the local DEMLR Regional Office. By this signature, I certify that this report is accurate and complete to the best of lny knowledge: A (Signatuy6fl4'/rmitteefif Designee) Page 1 of 7 SWU-242, Last modified 06/01/2018 1. Outfall Description: Outfall No. SD-01 Structure (pipe, ditch, etc.) 54" RCP Receiving Stream: Cape Fear River Describe the industrial activities that occur within the outfall drainage area: Main Manufacturing Facility 2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint (light, medium, dark) as descriptors: Clear 3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak chlorine odor, etc.): None 4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear and 5 is very cloudy: 2 3 4 5 5. Floating Solids: Choose the number which best describes the amount of floating solids in the storm water discharge, where 1 is no solids and 5 is the surface covered with floating solids: 1 n2 3 4 5 6. Suspended Solids: Choose the number which best describes the amount of suspended solids in the storm water discharge, where 1 is no solids and 5 is extremely muddy: 2 3 4 5 7. Is there any foam in the storm water discharge? No 8. Is there an oil sheen in the storm water discharge? No 9. Is there evidence of erosion or deposition at the outfall? No 10. Other Obvious Indicators of Storm water Pollution: List and describe None. Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition may be indicative of pollutant exposure. These conditions warrant further investigation. Page 2 of 7 SWU-242, Last modified 06/01/2018 1. Outfall Description: Outfall No. SD-02 Structure (pipe, ditch, etc.) 24" RCP Receiving Stream: Price's Creek Describe the industrial activities that occur within the outfall drainage area: Cogeneration Area 2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint (light, medium, dark) as descriptors: Clear 3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak chlorine odor, etc.): None 4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear and 5 is very cloudy: 2 3 4 5 5. Floating Solids: Choose the number which best describes the amount of floating solids in the storm water discharge, where 1 is no solids and 5 is the surface covered with floating solids: 01 2 3 4 5 6. Suspended Solids: Choose the number which best describes the amount of suspended solids in the storm water discharge, where 1 is no solids and 5 is extremely muddy: n1 2 3 4 5 7. Is there any foam in the storm water discharge? No 8. Is there an oil sheen in the storm water discharge? No 9. Is there evidence of erosion or deposition at the outfall? No 10. Other Obvious Indicators of Storm water Pollution: List and describe None Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition may be indicative of pollutant exposure. These conditions warrant further investigation. Page 3 of 7 SWU-242, Last modified 06/01/2018 1. Outfall Description: Outfall No. SD-03 Structure (pipe, ditch, etc.) 24" RCP Receiving Stream: Price's Creek Describe the industrial activities that occur within the outfall drainage area: AST Secondary Containment 2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint (light, medium, dark) as descriptors: Clear 3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak chlorine odor, etc.): None 4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear and 5 is very cloudy: 2 3 4 5 5. Floating Solids: Choose the number which best describes the amount of floating solids in the storm water discharge, where 1 is no solids and 5 is the surface covered with floating solids: 2 3 4 5 6. Suspended Solids: Choose the number which best describes the amount of suspended solids in the storm water discharge, where 1 is no solids and 5 is extremely muddy: 2 3 4 5 7. Is there any foam in the storm water discharge? No 8. Is there an oil sheen in the storm water discharge? No 9. Is there evidence of erosion or deposition at the outfall? No 10. Other Obvious Indicators of Storm water Pollution: List and describe None. Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition may be indicative of pollutant exposure. These conditions warrant further investigation. Page 4 of 7 SWU-242, Last modified 06/01/2018 1. Outfall Description: Outfall No. SD-04 Structure (pipe, ditch, etc.) Ditch Receiving Stream: Price's Creek Describe the industrial activities that occur within the outfall drainage area: Process Cooling Tower, Pipe and Metal Laydown Yard 2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint (light, medium, dark) as descriptors: Light Tint; relatively Clear 3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak chlorine odor, etc.): None 4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear and 5 is very cloudy: 01 2 3 4 5 5. Floating Solids: Choose the number which best describes the amount of floating solids in the storm water discharge, where 1 is no solids and 5 is the surface covered with floating solids: 1 n2 3 4 5 6. Suspended Solids: Choose the number which best describes the amount of suspended solids in the storm water discharge, where 1 is no solids and 5 is extremely muddy: 1 n2 3 4 5 7. Is there any foam in the storm water discharge? No 8. Is there an oil sheen in the storm water discharge? No 9. Is there evidence of erosion or deposition at the outfall? No 10. Other Obvious Indicators of Storm water Pollution: List and describe None. Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition may be indicative of pollutant exposure. These conditions warrant further investigation. Page 5 of 7 SWU-242, Last modified 06/01/2018 1. Outfall Description: Outfall No. SD-05 Structure (pipe, ditch, etc.) Ditch Receiving Stream: Price's Creek Describe the industrial activities that occur within the outfall drainage area: Waste Treatment Facility 2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint (light, medium, dark) as descriptors: Light Tint 3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak chlorine odor, etc.): None 4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear and 5 is very cloudy: 2 3 4 5 5. Floating Solids: Choose the number which best describes the amount of floating solids in the storm water discharge, where 1 is no solids and 5 is the surface covered with floating solids: 1 22 3 4 5 6. Suspended Solids: Choose the number which best describes the amount of suspended solids in the storm water discharge, where 1 is no solids and 5 is extremely muddy: 2 3 4 5 7. Is there any foam in the storm water discharge? No 8. Is there an oil sheen in the storm water discharge? No 9. Is there evidence of erosion or deposition at the outfall? No 10. Other Obvious Indicators of Storm water Pollution: List and describe None. Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition may be indicative of pollutant exposure. These conditions warrant further investigation. Page 6 of 7 SWU-242, Last modified 06/01/2018 1. Outfall Description: Outfall No. SD-06 Structure (pipe, ditch, etc.) Two 48" RCP Receiving Stream: Price's Creek Describe the industrial activities that occur within the outfall drainage area: Main Plant Parking Area 2. Color: Describe the color of the discharge using basic colors (red, brown, blue, etc.) and tint (light, medium, dark) as descriptors: No Tint: relatively Clear 3. Odor: Describe any distinct odors that the discharge may have (i.e., smells strongly of oil, weak chlorine odor, etc.): None 4. Clarity: Choose the number which best describes the clarity of the discharge, where 1 is clear and 5 is very cloudy: 2 3 4 5 5. Floating Solids: Choose the number which best describes the amount of floating solids in the storm water discharge, where 1 is no solids and 5 is the surface covered with floating solids: N1 2 3 4 5 6. Suspended Solids: Choose the number which best describes the amount of suspended solids in the storm water discharge, where 1 is no solids and 5 is extremely muddy: Q1 2 3 4 5 7. Is there any foam in the storm water discharge? No 8. Is there an oil sheen in the storm water discharge? No 9. Is there evidence of erosion or deposition at the outfall? No 10. Other Obvious Indicators of Storm water Pollution: List and describe None. Note: Low clarity, high solids, and/or the presence of foam, oil sheen, or erosion/deposition may be indicative of pollutant exposure. These conditions warrant further investigation. 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