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Table 4.7.3 PROJECT EFFECT ON REGIONAL POLLUTANT EMISSIONS Emissions oun s er a ROG NOx CO PM-10 New Emission Sources On-Site Equipment 6.8 55.7 17.4 5.8 Material Handling - --- --- 5.8 Transfer Trucks 12.3 83.8 50.6 15.8 Employee Vehicles 2.2 5.0 23.2 0.5 Total 21.3 144.5 91.2 27.9 Avoided Emissions Collection Trucks 46.2 314.4 189.9 59.3 Self-Haul Vehicles 4.1 23.4 91.1 12.2 Total 50.3 337.8 280.9 71.5 { j Net Change -29.0 -193.3 -189.7 -43.6 ROG = Reactive Organic Gases CO = Carbon Monoxide NOx = Nitrogen Oxides PM-10 = Particulate Matter, 10 micron Avoidance of dust-related nuisance impacts is largely a function of cleanliness. Dust and fine particulate will gradually accumulate on roads, storage areas and unloading areas within the site, where passing vehicles or gusts of wind can lift the material into the air. Project impacts can be further reduced through diligent sweeping of the site with power sweep vehicles. Paved areas of the site and the interior of the MRF/Transfer building should swept regularly. Any materials spilled or dropped from trucks should be swept immediately. Impact 4.7-3 The project would change traffic on the local street network, changing carbon monoxide levels along roadways used by project traffic. Carbon monoxide is an odorless, colorless poisonous gas whose primary source is automobiles. Concentrations of this gas are highest near intersections of major roads. The CALINE-4 computer simulation model was applied to three intersections near the project site. These were selected the intersections most affected by project traffic. The model results were used to predict the maximum 1-and 8-hour concentrations, corresponding to the 1- and 8-hour averaging times specified in the state and federal ambient air quality standards for carbon monoxide. The CALINE-4 model and the assumptions made in its use for this project are described in Appendix D. ER-93-1 _90- (9-27-93) r