Laserfiche WebLink
i, <br /> CASTLE ANALYTICAL LABORATORY <br /> Environmental Testing Services 2333 Shuttle Drive,Atwater,CA 95301 Phone: (209)384-2930 <br />' Fax: (209)384-1507 <br /> Advanced GeoEnvironmental, Inc. Client Project ID: Grewals Market Method: EPA 5030/8260 <br /> ' of Northern California Reference Number:4521 Instrument 1D:Varian MS <br /> 837 Shaw Road Matrix:Water Prepared: 03-28-02 <br /> Stockton, CA 95215 Analyst: Clavi J.Cone Analyzed: 03-28-02 <br /> Attn: Tim Cuellar 'Reported: 04-03-02 <br /> ' QUALITY CONTROL DATA REPORT <br /> ' SPIKE ID: VWMS-3282 <br /> Reporting BLANK Spiking Control %R <br /> Limit Result Level Spike Limits <br /> L IL IL %R <br /> COMPOUNDS <br /> t-But I Alcohol(I-BA) 20 ND 75.0 119% 41.8-168 <br /> ' <br /> Methyl t-butyl ether MTBE 0.50 ND 2.50 103% 62.4-127 <br /> Diisopropyl ether DIPS 0.50 ND 2.50 117% 51.4-151 <br /> Ethyl t-But l ether ETBE 0.50 ND 2.50 107% 57.4-138 <br /> t-Am I methyl ether(TAME) 0.50 NO 2.50 90.0% 60.2-122 <br /> ' 1,2-Dichloroethane 1,2-DCA) 0.50 ND 2.50 107% 69.7-124 <br /> Ethylene dibromide EDB 0.50 ND 2.50 121% 76.3-127 <br /> Surrogates: <br /> 1,2-Dichloroethane-d4 10 101% 10.0 102% 52.9-141 <br /> ' Toluene-d8 10 113% 1 10.0 112% 7fi.4-129 <br /> Spiking MATRIX MATRIX %R %RPD <br /> ' Level SPIKE SPIKE DUP Limits <br /> !L %R %R <br /> COMPOUNDS <br /> t-Butyl Alcohol(t-BA) 75.0 112% 114% 41.8-168 1.84% <br /> ' <br /> Methyl t-butyl ether (MTBE) 2,50 107% 106% 62.4-127 0.514% <br /> Diiso ro i ether DIPS 2.50 117% 119% 51.4-151 1.69% <br /> Ethyl t-Butyl ether ETBE 2.50 113% 118% 57.4-138 4.17% <br /> t-Am l meth i ether(TAME)__ 2.50 106% 107% 60.2-122 1,13% <br /> 1,2-Dichloroethane(1,2-OCA) 2.50 110% 112% 69.7-124 1.27% <br /> Ethylene dibromide EDB 2.50 116% 117% 76.3-127 1.379/6 <br /> Surrogate: <br /> 1,2-Dichloroethane-d4 10.0 105% 104% 52.9-141 1.15% <br /> ' Toluene-d8 10.0 103% 105% 76.4-129 1.35% <br /> 1 <br /> The LCS (Laboratory Check Sample)is a control sample of known, interferent free matrix that is fortified with representative analytes and <br /> ' analyzed using the same reagents, preparation and analytical methods employed for the samples. The LCS%recovery is used for validation <br /> of sample batch results. Due to matrix effects,the QC limits and recoveries for MSIMSUs are advisory only and are not used to accept or <br /> reject batch results. <br /> ANALYST: APPROVED BY: <br /> ' Clavi J. Cone jar �!!1 <br /> aboratory Director <br /> 1 <br />