NCG14 Certificate of Coverage No. Stormwater Monitoring Requirements Non-polar O&G Total Does this SDO (EPA Method 1664 Suspended pH, New Motor Oil include Vehicle Date Sample Is this SDO in (SGT-HEM)), mg/l Solids (TSS), SU Usage (gal/mo.) Outfall Maintenance Collected Rainfall Tier 2? (VMA) mg/l No. Activities (VMA)? If applicable If applicable 100 >55 gal/mo. average mo/dd/yr inches Y/N Y/N 6.0-9.0 15 - requires TSS and Non-polar 50 O&G monitoring (ORW, HQW, Tr, PNA) or FLOW” “NO
Certificate of Coverage No. NCG14 Stormwater Monitoring Requirements Does this SDO include Vehicle Maintenance Activities (VMA)? Total Suspended Solids (TSS), mg/l pH, SU Non-polar O&G (EPA Method 1664 (SGT-HEM)), mg/l (VMA) If applicable New Motor Oil Usage (gal/mo.) If applicable Outfall No. Date Sample Collected Rainfall Is this SDO in Tier 2? - mo/dd/yr or “NO FLOW” inches Y/N Y/N 100 50 (ORW, HQW, Tr, PNA) 6.0-9.0 15 >55 gal/mo. average requires TSS and Non-polar O&G monitoring
NCG14-DMR-SWTier2-20170822-DEMLR-SW.docx