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PM10 Interpollutant Offset Ratio Analysis <br /> Northern San Joaquin Valley <br /> PM10 <br /> Notes Units Estimate <br /> "Vegetative Burning" Total 1 pg/m3 30.16 <br /> Industry Component (30%) 2 pg/m3 9.05 <br /> Regional Background (20%) 3 pg/m3 1.81 <br /> Industry minus Background pg/m3 7.24 <br /> County Contribution 4 pg/m3 3.62 <br /> Organic Carbon PM10 Inventory- Stanislaus County 5 ton/day 4.28 <br /> County Impact µg/m3 per ton 0.85 <br /> Sulfate <br /> Ammonium Sulfate 6 pg/m3 7.40 <br /> Regional Background 7 pg/m3 1.00 <br /> Sulfate minus Background pg/m3 6.40 <br /> County Contribution 8 pg/m3 3.20 <br /> SO2 Inventory- Stanislaus County 9 ton/day 4.20 <br /> County Impact µg/m3 per ton 0.76 <br /> Tons of SOx to Equal Effect of 1 ton PM10 10 1.11 <br /> 1. Per SJVUAPCD and CARB, PM10 emissions from stationary industrial combustion sources are included <br /> in the Vegetative Burning category from Chemical Mass Balance modeling performed for the SJVUAPCD <br /> 2007 PM10 Attainment Plan (Modesto 14th Street station) <br /> 2. Per SJVUAPCD, 30% of this category is attributed to stationary industrial combustion sources. <br /> 3. Per SJVUAPCD, regional background is estimated to be 20% of net concentration after previous <br /> adjustment to Vegetative Burning category. <br /> 4. Contribution from sources within Stanislaus County is 50% of net concentration after previous <br /> adjustments to Vegetative Burning category. <br /> 5. Organic carbon PM10 inventory for Stansilaus County that contributes to this monitoring location; <br /> from 2007 PM10 Planning inventory <br />