SITE INFORMATION AND CORRESPONDENCE

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CENTRAL VARY REGIONAL WATER QUAWY CONTROL BOARD INSPECTION REPORT 14 January 1992 DISCHARGER: Re-Manufacturing, Ltd. LOCATION & COUNTY: 1825 E. Charter Way CONTACT(S) : Stanley S. Moore INSPECTION DATE: 17 and 31 October 1991 INSPECTED BY: Jean McCue ACCOMPANIED BY: --- 17 October 1991 OBSERVATIONS AND COMMENTS: The purpose of this inspection was to collect confirmation samples from the bottom of the surface impoundment excavation. Nora Kataoka, from Water Work Corp. , collected samples for Re-Manufacturing on 3 October 1991 (see Re-Manufacturing's 15 October 1991 report) . Styrene was detected in sample number RMCSS8 at a concentration of 170 µg/kg. The sample was collected in the northwest corner of the excavation. Following the 3 October 1991 sampling event, Mr. Moore removed an additional 3 feet of soil , roughly, and stockpiled it adjacent to the impoundment. The sample location of RMCSS8 had been surveyed and marked with a stake. During the 17 October 1991 inspection, I collected two additional samples from the same area as RMCSS8 to either confirm or deny the presence of styrene. Each sample was collected by removing the top 6 to 8 inches of soil with a hand shovel and then driving a 3-inch brass tube into the soil . The tubes were capped, labeled, and placed in an iced cooler. Eureka Lab analyzed the samples for purgeable aromatics, using EPA Method 8020. The lab did not report the results for styrene. Our chemist, May Hoe, contacted Eureka Lab on 5 November 1991 and had them check the chromatograph for the samples. They reported that there were no styrene peaks. 31 October 1991 OBSERVATION AND COMMENTS: I returned to the site to inspect the progress of the TPCA impoundment closure and to post a public notice for the 22 November 1991 Board meeting. I met Stanley Moore at the site and he accompanied me on the inspection. Mr. Moore stated that recent rains had brought a lot of water through the site and Mormon Slough. There was evidence of a high water mark in the slough that was roughly half way up the bank. There is a storm drain leading from Charter Way, through the site, to the slough. In the past, heavy equipment had broken a hole in the top of the concrete pipe near the impoundment. Mr. Moore stated that water was spraying out of the broken pipe during the storm and washing away the surrounding soil . Therefore, the pipe had been repaired since the storm.