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ASE • • AMEG SCIENCE ANG ENGWEEPING INC. Phase I Environmental Assessment . Page 10 152 Frank West Circle - Stockton, CA March 31, 1993 determine the level and extent of surface contamination discovered during the Phase I Environmental Assessment, to investigate potential subsurface contamination, to verify the contents of on-site containers and sumps to establish disposal requirements, and to provide input for a remedial action plan and facility remediation cost estimate. ASE recommends that the first steps taken during the Phase 11 Environmental Assessment consist of sampling and analysis of the contents of the vats and sump within the Plating Room. After the contents have been categorized, they should be properly removed, and disposed of, by a qualified hazardous waste removal company. This will allow for an inspection of the sump and collection of subsurface samples to test for the presence of chemical contamination within the soil and/or groundwater below the sump. The extent of sampling and analysis of additional on- site chemicals and of surface and subsurface areas outside the Plating Room will depend, in part, on the results obtained from the Plating Room. ASE also recommends that damaged floor tiles be removed, and disposed of, by a qualified asbestos abatement worker during the facility remediation phase. Undamaged floor tiles do not represent a health hazard and may remain in place, however, if the tiles ever become damaged or require removal, they must also be removed, and disposed of, by a certified asbestos abatement worker. 7.0 LIMITATIONS The conclusions of this report are professional judgements concerning the significance of the observations made and data gathered during the course of the environmental assessment. Opinions rendered should not be construed as guarantee or warranty as to the potential liability associated with environmental conditions or impacts at the site. ASE represents only that the hazardous waste or latent hazardous conditions observed on the Site during a diligent investigation were: approximately 570 drums, vats, and tanks ranging in size from 1 -gallon to 1,000 gallons containing approximately 42,000 gallons of hazardous chemicals and waste; approximately 28,000 gallons of chemically contaminated water and sludge, currently located in three concrete sump areas; approximately 58 cubic -yards of containerized hazardous waste solid; oil and grease contaminated asphalt -surfaced area; dry, chemical residue on the floors and equipment in the Plating Room and Dry Film Room #1; and asbestos (non -friable) containing floor tiles. Use of this Phase I Environmental Assessment Report is strictly limited to the Client (Standard Insurance Company) and appointed Client Representative (Environmental Advisory Services). Use of this report by a third party is the sole responsibility of the Client.