{"data":{"id":"us-va/9vac5-40-270","jurisdiction":"us-va","citation":"9VAC5-40-270","heading":"Standard for particulate matter (AQCR 7)","body":"A. Noncombustion process operations. 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 4-4B.\n\nTABLE 4-4B\n\nProcess Weight Rate\n\nMaximum Allowable Emission Rate\n\nLb/Hr\n\nTons/Hr\n\nLb/Hr\n\n100\n\n0.050\n\n0.46\n\n150\n\n0.075\n\n0.66\n\n200\n\n0.100\n\n0.85\n\n250\n\n0.125\n\n1.03\n\n300\n\n0.150\n\n1.20\n\n350\n\n0.175\n\n1.35\n\n400\n\n0.200\n\n1.50\n\n450\n\n0.225\n\n1.63\n\n500\n\n0.250\n\n1.77\n\n550\n\n0.275\n\n1.85\n\n600\n\n0.300\n\n2.01\n\n650\n\n0.325\n\n2.12\n\n700\n\n0.350\n\n2.24\n\n750\n\n0.375\n\n2.34\n\n800\n\n0.400\n\n2.43\n\n850\n\n0.425\n\n2.53\n\n900\n\n0.450\n\n2.62\n\n950\n\n0.475\n\n2.72\n\n1000\n\n0.500\n\n2.80\n\n1100\n\n0.55\n\n2.97\n\n1200\n\n0.60\n\n3.12\n\n1300\n\n0.65\n\n3.26\n\n1400\n\n0.70\n\n3.40\n\n1500\n\n0.75\n\n3.54\n\n1600\n\n0.80\n\n3.66\n\n1700\n\n0.85\n\n3.79\n\n1800\n\n0.90\n\n3.91\n\n1900\n\n0.95\n\n4.03\n\n2000\n\n1.00\n\n4.14\n\n2100\n\n1.05\n\n4.24\n\n2200\n\n1.10\n\n4.34\n\n2300\n\n1.15\n\n4.44\n\n2400\n\n1.20\n\n4.55\n\n2500\n\n1.25\n\n4.64\n\n2600\n\n1.30\n\n4.74\n\n2700\n\n1.35\n\n4.84\n\n2800\n\n1.40\n\n4.92\n\n2900\n\n1.45\n\n5.02\n\n3000\n\n1.50\n\n5.10\n\n3100\n\n1.55\n\n5.18\n\n3200\n\n1.60\n\n5.27\n\n3300\n\n1.65\n\n5.36\n\n3400\n\n1.70\n\n5.44\n\n3500\n\n1.75\n\n5.52\n\n3600\n\n1.80\n\n5.61\n\n3700\n\n1.85\n\n5.69\n\n3800\n\n1.90\n\n5.77\n\n3900\n\n1.95\n\n5.85\n\n4000\n\n2.00\n\n5.93\n\n4100\n\n2.05\n\n6.01\n\n4200\n\n2.10\n\n6.08\n\n4300\n\n2.15\n\n6.15\n\n4400\n\n2.20\n\n6.22\n\n4500\n\n2.25\n\n6.30\n\n4600\n\n2.30\n\n6.37\n\n4700\n\n2.35\n\n6.45\n\n4800\n\n2.40\n\n6.52\n\n4900\n\n2.45\n\n6.60\n\n5000\n\n2.50\n\n6.67\n\n5500\n\n2.75\n\n7.03\n\n6000\n\n3.00\n\n7.37\n\n6500\n\n3.25\n\n7.71\n\n7000\n\n3.50\n\n8.05\n\n7500\n\n3.75\n\n8.39\n\n8000\n\n4.00\n\n8.71\n\n8500\n\n4.25\n\n9.03\n\n9000\n\n4.50\n\n9.36\n\n9500\n\n4.75\n\n9.67\n\n10000\n\n5.00\n\n10.00\n\n11000\n\n5.50\n\n10.63\n\n12000\n\n6.00\n\n11.28\n\n13000\n\n6.50\n\n11.89\n\n14000\n\n7.00\n\n12.50\n\n15000\n\n7.50\n\n13.13\n\n16000\n\n8.00\n\n13.74\n\n17000\n\n8.50\n\n14.36\n\n18000\n\n9.00\n\n14.97\n\n19000\n\n9.50\n\n15.58\n\n20000\n\n10.00\n\n16.19\n\n30000\n\n15.00\n\n22.22\n\n40000\n\n20.00\n\n28.30\n\n50000\n\n25.00\n\n34.30\n\n60000 or more\n\n30.00 or more\n\n40.00\n\nB. Combustion installations. Interpretation of the emission standard in subsection A of this section shall be in accordance with 9VAC5-40-22.","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/section270/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:48:03Z","sha256":"e0ec74f122ece383deae5614274eee2e23f39656f64cc4ad0f8f5a67b820abfa","source_id":"us-va-vac","stale":false,"prev":"us-va/9vac5-40-260","next":"us-va/9vac5-40-280"},"notice":"GroundRules: Original legal text. Not legal advice."}