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nmlV]fl CERTIFICATE O.FANAL YNI'S
<br /> Aer7�a��/�%C�3/ L��70r2�fOr]/ Tue.sda),',Maruti 12, 2002
<br /> TO: William 1-iffle
<br /> Advanced GeoEnviron mental
<br /> 837 Shaw Road
<br /> Stockton CA 95215 4
<br /> Aromatic Compound in Gasoline by GC/MS.
<br /> Sample Information
<br /> Sample ID: 14494-05 Sample Type: Grab
<br /> Sample Description: Tank##3 North End Project Name: 4040 E. Main ST.
<br /> Date/Time Sampled: 3/6/20023:20:00 PM Sample Matrix: Soil
<br /> ANALYTICAL RESULT QA/QC REPORT
<br /> Date LCS Spike MS Spike
<br /> ;Test Parameter Method DLR Unit Result 7Analyzed Blank. Conc. LCS% Conc. MS% MSD RSD
<br /> Benzene.. EPA 82606 .,.,,.:., 5ug/kg
<br /> ND �
<br /> ...... .....:.. ., -.. ,:- ,,:.
<br /> - 8-Feb-02 ND 128 90.0% 13 97.1% 94.4% 0.7%
<br /> .......... .. :..:... :..._ ,: -., ,,.,,.._..., ,,..�...-. .,,. ,:..:, .,_...,, _. .,_.,..:.....�..,. , . ..,, ,, -., . ..,. ,.....: .. ...... ...- ..- ...,. ....._ m.._.__ ,..:.,.... -,. ..:,.:,.
<br /> Toluene EPA 660B 5 ug/kg ND 08-Feb-02 ND 12.8 90.0% 12.8 100.6% 100.0% 0.2%
<br /> Ethylbenzene EPA 8260B 5 ug/kg 80 08-Feb-02 NO . 12.6 88.0% 12.8 109.4% 95.2% 3.5%
<br /> m,p-Xylene EPA 8260B 5 ug/kg 152 08-Feb-02 ND 25.6 87.5% 25.6 97.2% 97.7% - 0.11
<br /> o-Xylene EPA 82608 5 uglkg 22 *08-Mar-02 ND 12.8" ,; «89.5%V ':.12.8 96.9% 98.0%.;.. ,,...6
<br /> .
<br /> .3%
<br /> 1 2 D!chloroethane-d4(Surrogate) %Recovery w °
<br /> 110°1
<br /> 4-8F6-(Surrogate} %Recovery 906%
<br /> nig/L ndlligrarns pLr Liter =ppm RSD represent relarrae perreru(ltlfereru(RPD)between"drrpluafes spike gfs(rrnples
<br /> argil=micr'ngrnrrrs per Liter Ppb or,Duphoote of Sample c
<br /> R S E TF U B ITTED,
<br /> C Composite G Grulr M5'.'ALVD-inensurc!of the percent recoivq effirit."ides within the matrix
<br /> = = ,
<br /> LCS-measure of the percent recorery of dic Laboraimy C owr'of spike(L(.S)
<br /> DLR-Detection Limit for Me Purpose of Reporting. Ercepiional sample
<br /> Jolt a4an Hao V"Le, Laboratory Director Milfr-ices or inierferenec'es map reside in higher deieciion limits t'
<br /> .:__..._..._..__._..,....
<br /> enrol Protection,4gettq Method.- SM-Standard Alethod for L,,winin(rtion of tl'ater IFaslewrifer 181h Ed. Pgge 1 of 1
<br /> 545 E. Cleveland St. Suite A Stockton, CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935
<br />
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