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tially identical concentrations of copper and zinc, around 0 . 30 ' mg/1, with chromium ND<0 . 005 mg/1 . Silver, which was used exten- sively in electroplating operations, was ND<0 . 002 mg/l in all samples . Cyanide was below detection (<1 . 0 mg/kg or <1 . 0 mg/1) in all nine soil and water samples . ' Taken together, this information indicates that no significant quantities of priority metals or cyanide entered the soil column or groundwater as a result of Shinko' s, or previous owners ' ' operations . ' 5 .2 Additional Analyses Three samples, soil sample B-1-20 ' and water samples B-2-W and ' B-4-W, received the following additional analyses, summarized in Tables 2 through 5 : ' - Table 2 . Semi-volatile organics (EPA Method 625/8270) Table 3 . Volatile organics (EPA Method 624/8240) - Table 4 . Chlorinated pesticides and PCBs (EPA Method 608/8080) - Table 5 . Total oil and grease (Standard Methods 5520) . These tables briefly summarize the data for a large number of organic compounds and generally indicate that all analytes were ' below detection and show the range of actual detection limits . Complete analytical information may be found in Appendix C. Only one organic compound was detected (Table 2) : this is ' bis- (2 ethyl-hexyl) phthalate, with concentrations near 22 ug/l in both ' groundwater samples (B-2-W and B-4-W) . These results indicate that none of the organic compounds tested ' appears to have been released by past activities on site, whether those of Shinko or of previous tenants . The single compound detected, bis- (2 ethylhexyl)phthal ate, had essentially the same concentration in groundwater samples taken from borings located up-and down-gradient of Shinko' s chemical operations (in the WWTF area) . This indicates that the compound originates off-site, probably up-gradient (to the north) . We understand that one common use for this chemical is in vacuum-pump lubricants . ' 5