{"data":{"id":"us-va/9vac5-40-2410","jurisdiction":"us-va","citation":"9VAC5-40-2410","heading":"Standard for particulate matter","body":"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.\n\nTABLE 4-18\n\nProcess Weight Rate\n\nLb/Hr\n\nMaximum Allowable Emission Rate\n\nLb/Hr\n\n1,000 or less\n\n3.05\n\n2,000\n\n4.70\n\n3,000\n\n6.35\n\n4,000\n\n8.00\n\n5,000\n\n9.05\n\n6,000\n\n11.30\n\n7,000\n\n12.90\n\n8,000\n\n14.30\n\n9,000\n\n15.50\n\n10,000\n\n16.65\n\n12,000\n\n18.70\n\n16,000\n\n21.60\n\n18,000\n\n22.80\n\n20,000\n\n24.00\n\n30,000\n\n30.00\n\n40,000\n\n36.00\n\n50,000 or more\n\n42.00\n\nB. Interpretation of the emission standard in subsection A of this section shall be in accordance with 9VAC5-40-22.\n\nC. 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.\n\nD. 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.","path":["Title 9. Environment","Agency 5. State Air Pollution Control Board","Chapter 40. Existing Stationary Sources","Part II. Emission Standards","Article 18. Emission Standards for Primary and Secondary Metal Operations (Rule 4-18)"],"source_url":"https://law.lis.virginia.gov/admincode/title9/agency5/chapter40/section2410/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:48:07Z","sha256":"5db906528255f6b1e50a48713881f22212a339cd6833809a3bad5fbe950743e8","source_id":"us-va-vac","stale":false,"prev":"us-va/9vac5-40-2400","next":"us-va/9vac5-40-2420"},"notice":"GroundRules: Original legal text. Not legal advice."}