9VAC5-40-2410. Standard for particulate matter

A. No owner or other person shall cause or permit to be discharged into the atmosphere from any secondary metal operation any particulate emissions in excess of the limits in Table 4-18. TABLE 4-18 TABLE 4-18 Process Weight Rate Lb/Hr Maximum Allowable Emission Rate Lb/Hr Process Weight Rate Lb/Hr Maximum Allowable Emission Rate Lb/Hr 1,000 or less 3.05 1,000 or less 3.05 2,000 4.70 2,000 4.70 3,000 6.35 3,000 6.35 4,000 8.00 4,000 8.00 5,000 9.05 5,000 9.05 6,000 11.30 6,000 11.30 7,000 12.90 7,000 12.90 8,000 14.30 8,000 14.30 9,000 15.50 9,000 15.50 10,000 16.65 10,000 16.65 12,000 18.70 12,000 18.70 16,000 21.60 16,000 21.60 18,000 22.80 18,000 22.80 20,000 24.00 20,000 24.00 30,000 30.00 30,000 30.00 40,000 36.00 40,000 36.00 50,000 or more 42.00 50,000 or more 42.00 B. Interpretation of the emission standard in subsection A of this section shall be in accordance with 9VAC5-40-22 . C. The permissible emission rates as shown in Table 4-18 shall apply during the melt time but shall not apply during the time of preheat or preparing for shutdown. The exemption for preheating and shutdown shall be limited to two 20-minute periods in a given eight-hour period for each furnace unit. D. The provisions of this section shall not apply to affected facilities identified in subsection A of this section and located in AQCR 7; however, the provisions of 9VAC5-40-270 shall apply to the facilities.