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1 110 2nd Avenue South,#D7 Pacheco,CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccamphell.com E-mail mam@mccampbell cam <br /> Advanced GeoEnvironmental, Inc Client Project ID Chapin Bros Inc Date Sampled 05/30/02 <br /> 837 Shaw Road Date Received 05/30/02 <br /> ' Stockton,CA 95215 Client Contact Bill Little Date Extracted 05/31/02-06/02/02 <br /> Client P O Date Analyzed 05/31102-06102102 <br /> ' Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasolene with BTEX and MTBE* <br /> xtraction method SW5030B Analytical methods SW802113/8015Cm Work Order-0205428 <br /> ' Lab 1D Client ID Matnx TPF1(9) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A EFFLUENT W ND ND ND ND ND ND 1 105 <br /> ' 002A VW6 W 19,000,a ND<500 520 330 1200 3800 100 103 <br /> 003A EWl W 940,a ND 58 21 55 24 1 —# <br /> ' 004A EW2 W 6800,a ND<50 300 23 270 170 10 110 <br /> 005A EW3 W 27,000,a ND<500 1600 410 1300 5400 100 103 <br /> 1 <br /> Reporting Limit for DF=1, W 50 5 0 0 5 0 5 0 5 05 ug/L <br /> ' ND means not detected at Or <br /> above the reporting limit $ 1 0 005 0 005 0 005 0 005 0 005 mg/ICg <br /> *water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,wipe samples in ug/wipe,and TCLP extracts in ug(L <br /> ' DF=dilution factor <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 responsible for their interpretation a) <br /> unmodihea or weaKly momfied gasoline is significant,b)heavier gasoline range compounds are significant(aged gasoline9),c)lighter gasoline range <br /> compounds(the most mobile fraction)are significant,d)gasoline range compounds having broad chromatographic peaks are significant,biologically <br /> altered gasolme7,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent),f)one to a few isolated non-target peaks present, <br /> ' g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheen/product is present,1)liquid sample that <br /> contains greater than–2 vol %sediment,j)no recognizable pattern,k)TPH pattern that does not appear to be derived from gasoline(aviation gas) <br /> ' DHS Certification No 1644 Edward Hamilton,Lab Director <br />