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CENTRAL EY REGIONAL WATER QUALITY CO&OL BI`A 7 � INSPECTION REPORT �� ENVIRO.VENTAL HEALTH DISCHARGER : COUNTY OF SAN JOAQUIN - CORRAL HOLLOW FER411ftFAWSS LOCATION & COUNTY : Corral Hollow Road, San Joaquin County CONTACT( S ) : Dean Reed, Public Works Supervisor, City of Tracy INSPECTION DATE : 19 April 1988 INSPECTED BY : Michael H. Mosbacher ACCOMPANIED BY : Dean Reed, Public Works Supervisor, City of Tracy OBSERVATIONS AND COMMENTS: On 19 April 1988, at approximately 11:30 a.m. , I arrived at Corral Hollow Landfill to perform a nonsampling compliance inspection and to see how much of the moni- toring well system had been installed. The weather was cloudy and threatening to rain. The following observations were made: Monitoring .wells MW-1 , MW-2, MW-4, and MW-5 were installed and the soil boring SB-1 had been completed as a shallow monitoring well . Emcon & Associates are installing the monitoring wells and performing the soil borings as part of the SWAT investigations. Emcon was not working on-site during my visit. I drove to the active fill area to check for any leachate generation or ponding water. Neither was found. However, while in the fill area, I met dean Reed, who was looking at a pile of crushed "Celotex" insulation board. Dean had received complaints from his equipment operators that the crushed "Celotex" material irritated their eyes when they spread it for burial . I asked Dean if they had any chemical analyses of the "Celotex" material . He wasn't sure, but said he would check and see if he could find one. While I was there, Dean also asked if I would look at some "contaminated soil 's dumped by a contractor removing an underground tank from a gas station in Tracy. Near the entrance Yate, five or six piles, 10 cubic yards each, had been dumped by the contractor. One of the piles had three or four 20 foot sections of two inch fiberglass pipe from the tank excavations in it. Only one of the piles had a noticeable gasoline odor. I asked Dean if the contractor had given him a copy of the analysis performed on the soil or the pipe; he had not received any analysis. I told Dean that without an .analysis of the contaminated soil or the "Celotex" insulation, proper classification of these wastes cannot be made. I also said that if an analyses of the wastes are performed after the landfill accepts them, and the analyses shows the waste to be 'designated ' or 'hazardous' , the landfill owner/operator is in violation of waste discharge requirements and subject to potential fines. REV I Foal-n BV: i