. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. TOXIC RELEASE INVENTORY Table 1991 Off-Site lUinois TRI Transfers by Management Method 1991 Illinois TRI Source Reduction Data Percentage of Reductions By Type Management Method Millions Pounds Transferred Metals Recovery Energy Recovery Solvents/Organics Recovery Landfill/Disposal Surface Impoundment Incineration/Thermal Treamienl Other Reuse/Recovery Transfer to
. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. TOXIC RELEASE INVENTORY Table 1991 Off-Site lUinois TRI Transfers by Management Method 1991 Illinois TRI Source Reduction Data Percentage of Reductions By Type Management Method Millions Pounds Transferred Metals Recovery Energy Recovery Solvents/Organics Recovery Landfill/Disposal Surface Impoundment Incineration/Thermal Treamienl Other Reuse/Recovery Transfer to Waste Broker - Recycling Wastewater Treatment Transfer to Waste Broker - Energy Recovery Incineration - Insignificant Fuel Value Solidification/Stabilization Other Waste Treatment Acid Regeneration .5 Underground Injection .5 Transfer to Waste Broker - Disposal .3 Other Land Disposal .2 Storage Only .1 Transfer to Waste Broker - Waste Treatment .05 Land Treatment .04 Source: Fifth Annual Toxic Chemical Report, IEPA/ENV/93-005. Source Reduction Beginning in 1991, TRI facilities were required to submit information pertaining to the source reduction methods used in their operations. Of the reports filed by 1301 separate facilities, 453 indicated that source reduction activities had been undertaken to reduce the level of TRI releases (lEPA, 1993). Actual reductions resulting from these activities were estimated to total million pounds between 1990 and 1991. Process modifications accounted for million pounds of the million pounds in reductions. Figure displays the frequency with which different methods were used for attaining reductions. â Process Modification aGood Operating Practices â Raw Material Modification â¡Product Modification DCIeaning and Degreasing â¡Spill and Leak Prevention DSurfaoe Preparation â Inventory Control Source. lEPA, 1993. lEPA/ENV/93-005. Figure The chemicals and allied product
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