9VAC25-151-390. Sector AF- Facilities limited to total suspended solids benchmark monitoring requirements

A. Discharges covered under this section. The requirements listed under this section apply to stormwater discharges associated with industrial activity from facilities with SIC Codes 4011, 4013, 4111‑4173, 4212‑4231, 4311, and 5171. B. Benchmark monitoring and reporting requirements. Facilities or stormwater discharges included in this sector are required to monitor their stormwater discharges for the pollutants of concern listed in Table 390. Table 390 Sector AF- Benchmark Monitoring Requirements Table 390 Sector AF- Benchmark Monitoring Requirements Pollutants of Concern Benchmark Concentration Pollutants of Concern Benchmark Concentration Facilities Limited to Total Suspended Solids Benchmark Monitoring Requirements Facilities Limited to Total Suspended Solids Benchmark Monitoring Requirements Total Suspended Solids (TSS) 100 mg/L Total Suspended Solids (TSS) 100 mg/L