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• • <br /> Superior Precisidin .Ana6vrical. Inc. <br /> 1555 Burke Unit f - San Francisco California 94124 ■ (4 15) 647-2081 / fax (4 15) 821-7123 <br /> Touchstone Developments Project 2396-1 <br /> Attn: MICHAEL TAMBRONI Reported 01-September-1993 <br /> Polychlorinated Biphenyls Method 8080 <br /> Laboratory Number Sample Identification Matrix <br /> 14713- 2 SP-2A-D Soil <br /> 14713- 3 WO-1-9 ' Soil <br /> RESULTS OF ANALYSIS <br /> Laboratory Number: 14713- 2 14713- 3 <br /> AROCLOR 1016: ND<3 ND<3 <br /> AROCLOR 1221: ND<3 ND<3 <br /> AROCLOR 1232 : ND<3 ND<3 <br /> AROCLOR 1242 : ND<3 ND<3 <br /> AROCLOR 1248: ND<3 ND<3 <br /> AROCLOR 1254 : ND<3 ND<3 <br /> AROCLOR 1260 : ND<3 ND<3 <br /> Concentration: ug/kg ug/kg <br /> -- Surrogate Recoveries -- <br /> SURROGATE RECOVERY: 86% 90% <br /> Page 2 of 3 <br /> Certified Laboratories <br />