Sector-Specific Benchmark Values and Effluent Limitations: Sector - S2: Discharges may be subject to requirements for more than one sector or subsector.
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|S2 Airports that use less than 100,000 gallons of glycol-based deicing/anti-icing chemicals and/or less than 100 tons of urea on an average annual basis.||Solids, Total Suspended (TSS)||100 mg/L 1|
|5-Day Carbonaceous, Biochemical Oxygen Demand (CBOD5)||25 mg/L|
|Chemical Oxygen Demand (COD)||120 mg/L|
|Nitrogen, Ammonia, Total (as N)||2.8 mg/L|
1If the Permittee is required to comply with Appendix A, part F.1, the benchmark value for Solids, Total Suspended (TSS) is 65 mg/L, instead of 100 mg/L.