Concrete block and brick facilities (SIC Code 3271), concrete products facilities, except block and brick (SIC Code 3272), and ready-mixed concrete facilities (SIC Code 3273) are not covered by this permit.
Table 130-1 Sector E - Numeric Effluent Limitations | ||
Parameter | Effluent Limitations | |
Daily Maximum | 30-day Average | |
Cement Manufacturing Facility, Material Storage Runoff: Any discharge composed of runoff that derives from the storage of materials including raw materials, intermediate products, finished products, and waste materials that are used in or derived from the manufacture of cement. | ||
Total Suspended Solids (TSS) | 50 mg/L | |
pH | 6.0 - 9.0 s.u. |
Table 130-2 Sector E - Benchmark Monitoring Requirements | |
Pollutants of Concern | Benchmark Concentration |
Clay Product Manufacturers (SIC Codes 3251-3259, 3261-3269) | |
Total Recoverable Aluminum | 1,100 ug/L |
Lime and Gypsum Product Manufacturers (SIC Codes 3274, 3275) | |
Total Suspended Solids (TSS) | 100 mg/L |
pH | 6.0 - 9.0 s.u. |
9 Va. Admin. Code § 25-151-130
Statutory Authority: § 62.1-44.15 of the Code of Virginia; § 402 of the Clean Water Act; 40 CFR Parts 122, 123, and 124.