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T- 110 2nd Avenue South, #D7,Pacheco,CA 94553 <br /> ' FMcCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> ' Advanced GeoEnvironmental,Inc Client Project ID Ripon Farm Service Date Sampled 03/27/97 <br /> 1803 West March Lane, Suite A Date Received 03/28/97 <br /> ' Stockton,CA 95207 Client Contact Bill Little Date Extracted 03131-04101197 <br /> Client P O Date Analyzed 03131-04101197 <br /> ' Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline*,iNith Alethyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified S015 and 8020 or 602 California RW CB(SF Bav Re ion)method GCFIp(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben-1 Xylenes % Rec zene Surrogate <br /> 74833 M W 113-27-97 W 210,b,d ND ND ND 16 2 1 103 <br /> 74834 MW2/3-27-97 W 5300,a 59 580 29 330 570 105 <br /> 74835 MW3/3-27-97 W 130,g,h ND ND ND ND ND 101 <br /> ' 74836 MW4/3-27-97 W 200,1 ND ND ND ND ND 104 <br /> 74837 MW5/3-27-97 W b5 j ND ND ND ND ND 101 <br /> Reporting Limit unless W 50 ug/L 50 05 05 05 05 <br /> otherwise stated,ND <br /> means not detected <br /> above the reporting limit S 10 mglkg 005 0 005 0 005 0 005 0 005 <br /> ' *water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,and all TCLP extracts in mg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> ' + The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not <br /> responsible for their interpretation a)unmodified or weakly inodified gasoline is significant,b}heavier gasoline <br /> range compounds are signrficant(aged gasolme9),c)lighter asolme range compounds(the most mobile fraction) <br /> are %iificant, d} gasoline range compounds having broadgchromatographic peaks are significant,biologically <br /> ' altered gasoline?, e) TPH pattern that does not appear to be derived from gasoline (9), f) one to a few isolated <br /> peaks present,g)stronglyaged gasoline or diesel range compounds are significant,h)lighter than water immiscible <br /> sheen is present,i) ligm sample that contains greater than— 5 vol % sediment,j)no recognizable pattern <br /> ' DHS Certification No 1644 /�� Edward Hamilton,Lab Director <br />