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Indvenue South #O7 Pacheco CA 94553-5560 <br /> [:A:# M�cCam�pbell�Anal�ytical Inc one 925 798-1620 Fax 925-798-]622 <br /> _����htltp�Jlwwwccampbell coin E-magi imampTimearrTbel]com <br /> led <br /> Advanced GeoEnviron rental,Inc Client Project ID ComfortAir Date Sampled 10/28/02 <br /> 837 Shaw Road Date Received 10/30/02 <br /> Client Contact Paul Dotson Date Extracted 10/31/02-11/02/02 <br /> Stockton, CA 95215 <br /> Client P O Date Analyzed 10/31/02-11/02/02 <br />' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasohne* <br /> xtraction method SW5030B Anaiydcal methods SWa015Cm Work Order 0210536 <br /> Lab ID Client ID Matrix TPH(g) DF %SS <br /> OOIA MW3 W 620,a 33 112 <br /> 002A MW5 W ND 1 109 <br /> 003A MW6 W 2400 a 5 ---# <br /> 004A MW7 W ND 1 101 <br /> 005A MW8A W ND 1 107 <br /> 006A MW88 W 900,a l ---# <br /> 007A MW9A W ND 1 105 <br /> 008A MW98 W 110,a 1 106 <br /> 009A MWIOA W ND,i 1 998 <br /> OIOA MW108 W ND 1 107 <br /> OIIA MWl1A W ND 1 105 <br />' 012A M W I 1 B W 80 c l ---# <br /> 013A MW12A W ND 1 101 <br /> 014A MW12B W ND 1 103 <br /> 015A EXl W 150,000,a 200 110 <br /> Reporting Limit for DF—1, W 50 µ$/E <br /> ND means not detected at or <br /> above the reporting limit S NA NA <br /> *water and vapor samples are reported in ug/L sat]and sludge samples in mg/kg,wipe samples in ug/wipe,product/oil/non-aqueous liquid samples to <br /> mg/L,and TCLP extracts in ug/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 responsible for their interpretation a) <br /> I unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds are significant(aged gasolme2),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 gasolmev,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent) f)one to a few isolated non-target peaks present,g) <br /> strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheen/product is present,1)liquid sample that contains <br /> greater than—2 vol %sediment,j)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be derived from gasoline <br /> [(aviation gas) m)no recognizable pattern <br /> •� DHS Certification No 1644 Edward Hamilton, Lab Director <br /> I <br />