{"data":{"id":"us-va/9vac5-40-260","jurisdiction":"us-va","citation":"9VAC5-40-260","heading":"Standard for particulate matter (AQCR 1-6)","body":"A. No owner or other person shall cause or permit to be discharged into the atmosphere from any process unit any particulate emissions in excess of the limits in Table 4-4A.\n\nProcess Weight Rate\n\nMaximum Allowable Emission Rate\n\nLb/Hr\n\nTons/Hr\n\nLb/Hr\n\n100\n\n0.05\n\n0.551\n\n200\n\n0.10\n\n0.877\n\n400\n\n0.20\n\n1.40\n\n600\n\n0.30\n\n1.83\n\n800\n\n0.40\n\n2.22\n\n1000\n\n0.50\n\n2.58\n\n1500\n\n0.75\n\n3.38\n\n2000\n\n1.00\n\n4.10\n\n2500\n\n1.25\n\n4.76\n\n3000\n\n1.50\n\n5.38\n\n3500\n\n1.75\n\n5.96\n\n4000\n\n2.00\n\n6.52\n\n5000\n\n2.50\n\n7.58\n\n6000\n\n3.00\n\n8.56\n\n7000\n\n3.50\n\n9.49\n\n8000\n\n4.00\n\n10.4\n\n9000\n\n4.50\n\n11.2\n\n10000\n\n5.00\n\n12.0\n\n12000\n\n6.00\n\n13.6\n\n16000\n\n8.00\n\n16.5\n\n18000\n\n9.00\n\n17.9\n\n20000\n\n10.00\n\n19.2\n\n30000\n\n15.00\n\n25.2\n\n40000\n\n20.00\n\n30.5\n\n50000\n\n25.00\n\n35.4\n\n60000\n\n30.00\n\n40.0\n\n70000\n\n35.00\n\n41.3\n\n80000\n\n40.00\n\n42.5\n\n90000\n\n45.00\n\n43.6\n\n100000\n\n50.00\n\n44.6\n\n120000\n\n60.00\n\n46.3\n\n140000\n\n70.00\n\n47.8\n\n160000\n\n80.00\n\n49.1\n\n200000\n\n100.00\n\n51.3\n\n1000000\n\n500.00\n\n69.0\n\n2000000\n\n1000.00\n\n77.6\n\n6000000\n\n3000.00\n\n92.7\n\nB. Except as provided in subsections C and D of this section, interpretation of the emission standard in subsection A of this section shall be in accordance with 9VAC5-40-22.\n\nC. Interpolation of the data in Table 4-4A for process weight rates up to 60,000 lb/hr shall be accomplished by use of the following equation:\n\nE = 4.10 P0.67\n\nwhere:\n\nE = emission rate in lb/hr.\n\nP = process weight rate in tons/hr.\n\nD. Interpolation and extrapolation of the data for process weight rates in excess of 60,000 lb/hr shall be accomplished by use of the following equation:\n\nE = 55.0 P0.11 - 40\n\nwhere:\n\nE = emission rate in lb/hr.\n\nP = process weight rate in tons/hr.","path":["Title 9. Environment","Agency 5. State Air Pollution Control Board","Chapter 40. Existing Stationary Sources","Part II. Emission Standards","Article 4. Emission Standards for General Process Operations (Rule 4-4)"],"source_url":"https://law.lis.virginia.gov/admincode/title9/agency5/chapter40/section260/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:48:03Z","sha256":"42ac55005b212cfbee3bd0e779353d6ede520743b61d7f1999260844ec5c1c08","source_id":"us-va-vac","stale":false,"prev":"us-va/9vac5-40-250","next":"us-va/9vac5-40-270"},"notice":"GroundRules: Original legal text. Not legal advice."}