Virginia Administrative Code
Title 9 - ENVIRONMENT
Agency 25 - STATE WATER CONTROL BOARD
Chapter 151 - VIRGINIA POLLUTANT DISCHARGE ELIMINATION SYSTEM (VPDES) GENERAL PERMIT REGULATION FOR DISCHARGES OF STORMWATER ASSOCIATED WITH INDUSTRIAL ACTIVITY
Part IV - Sector Specific Permit Requirements
Section 9VAC25-151-140 - Sector F - Primary metals
Current through Register Vol. 41, No. 3, September 23, 2024
A. Discharges covered under this section. The requirements listed under this section apply to stormwater discharges associated with industrial activity from the following types of facilities in the primary metal industry, and generally described by the SIC codes shown:
B. Benchmark monitoring and reporting requirements. Primary metals facilities are required to monitor their stormwater discharges for the pollutants of concern listed in Table 140.
Table 140 Sector F - Benchmark Monitoring Requirements |
|
Pollutants of Concern |
Benchmark Concentration |
Steel Works, Blast Furnaces, and Rolling and Finishing Mills (SIC Codes 3312-3317) |
|
Total Recoverable Aluminum |
1,100 µg/L |
Total Recoverable Zinc |
120 µg/L |
Iron and Steel Foundries (SIC Codes 3321-3325) |
|
Total Recoverable Aluminum |
1,100 µg/L |
Total Suspended Solids (TSS) |
100 mg/L |
Total Recoverable Copper |
13 µg/L |
Total Recoverable Zinc |
120 µg/L |
Rolling, Drawing, and Extruding of Nonferrous Metals (SIC Codes 3351-3357) |
|
Total Recoverable Copper |
13 µg/L |
Total Recoverable Zinc |
120 µg/L |
Nonferrous Foundries (SIC Codes 3363-3369) |
|
Total Recoverable Copper |
13 µg/L |
Total Recoverable Zinc |
120 µg/L |
Statutory Authority: § 62.1-44.15 of the Code of Virginia; § 402 of the Clean Water Act; 40 CFR Parts 122, 123, and 124.