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' I1 l0 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> =A# MCC <br /> ampbell Analytical Inc I Telephone 925-798-1620 Fax 925 798-1622 <br />' u f http//www mccaupbell com E mail nein mcc bell corn <br /> Advanced GeoEnvironmental,Inc Client Project ID Pacific Car Wash Date Sampled 02/25/03 <br />' 837 Shaw Road Date Received 02/26/03 <br /> Stockton, CA 95215 Client Contact Tun Cuellar Date Extracted 02/26/03-03/04/03 <br /> rC_he_ntP O Date Analyzed 02/26/03-03/04/03 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline* <br /> fraction method SW5030B Analyucal methods 8o15Cm Work Order 0302345 <br /> Lab ID Client JD Matnx TPH(g) DF I %SS <br /> 001A M W 1/02-25-03 W I 2 1,000,a t501 <br />' 002A MW2/02-25-03 W A— 76,000,a <br /> 003A MW3/02-25-03 W 23,000,a <br />' 004A MW4/02-25-03 W ND 1 977 <br /> 005A MW5/02-25-03 W ND 1 991 <br />' 006A MW6/02-25-03 W 71,000,a 50 106 <br /> 007A MW7/02-25-0�3W <br /> ND l 106 <br />' 009A MW8/02-25 ND 1 104 <br /> I <br /> 009A MW9/02-25-03 W 2800,a 10 107 <br /> 10 O l OA MW <br /> 10 <br /> OA/02-25-03 W ND 1 I 102 <br /> 011A MWIOB/02-25-03 W ND 1 97 4 <br />' 012A MWi1/02-25-03 W ND l 103 <br /> 013A MW12/02-25-03 W ND 1 102 <br /> Reporting Limit for DF=1, W 50 µgm <br /> I ND means not detected at or <br /> above the reporting limit $ NA NA <br /> *water and vapor samples are reported in pg/L,soil and sludge samples in mg/kg,wipe samples in 14g/wipe,and TC1 P extracts toµg/L <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> -r T he foliowing descriptions of the TPH chromatogram are cursory to nature and McCampbell Analytical is not responsible for their interpretation a) <br /> unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds are significant(aged gasoline?),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 gasoline9,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spirit?),f)one to a few isolated non-target <br /> peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheeniproduct is present,i)liquid <br /> sample that contains greater than--2 vol %sediment,j)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> derived from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 _ Angela Rydehus, Lab Manager <br /> 1 <br />