Laserfiche WebLink
4D (408)8Hi 1,CA Drive <br /> Se{�Uo]a Morgan Hill,CA 95437 <br /> 776-9604 <br /> � r Analytical FAX(408)782-6348 <br /> www sequoialabs cam <br /> • <br /> URS Corporation[Arcol] Project BP Heritage#I H94,Tracy,CA MOK0115 <br /> 2870 Gateway Oaks Dr,Ste 300 Project Number G07WZ-0011 Reported <br /> Sacramento CA,95833 Project Manager Vernon P Elarth 11/23105 08 47 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical-Morgan Hill <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch SKI 1024-EPA 5030B PIT/EPA 8260B <br /> Laboratory Control Sample(5K11024-BSI) Prepared&Analyzed 11111105 <br /> tert-Amyl methyl ether 172 050 no 150 115 80-115 <br /> Benzene 5 11 050 5 16 99 65-115 <br /> tert-Butyl alcohol 125 50 143 87 75 150 <br /> Di-isopropyl ether 137 050 151 91 75-125 <br /> Ethanol 320 100 142 225 70-135 IC,HL <br /> Ethyl tert-butyl ether 15 3 050 150 102 75-130 <br /> Ethyibenzcne 683 050 754 91 75-135 <br /> Methyl tert butyl ether 756 050 702 108 65-125 <br /> Toluene 345 050 372 93 85-120 <br /> Xylenes(total) 370 050 41 2 90 85-125 <br /> Gasoline Range Organics(C4-C12) 444 50 440 101 60-140 <br /> Surrogate 12-Drchloroethane-d4 215 150 86 60-135 <br /> Am atrix Spike(SKI 1024-MSI) Source MOK0031-02 Prepared 11/11/05 Analyzed 11/12/05 <br /> tert-Amyl methyl ether 927 25 ug/l 752 050 123 80-115 LM <br /> Benzene 116 25 258 100 62 65-115 LN <br /> tert-Butyl alcohol 1010 25 716 200 113 75-120 <br /> Di-isopropyl ether 746 25 756 ND 99 75 125 <br /> Ethanol 2280 500 708 68 312 70-135 IC,HL <br /> Ethyl tert-butyl ether 832 2 5 752 ND 111 75-130 <br /> Ethylbenzene 38 2 2 5 37 7 1 6 97 75-135 <br /> Methyl tort butyl ether 282 2 5 35 1 260 63 65-125 BB,LN <br /> Toluene 190 2 5 186 065 102 85-120 <br /> Xylenes(total) 200 2 5 206 ND 97 85-125 <br /> Gasoline Range Organics(C4-C12) 3050 250 2200 610 1]] 60-140 <br /> Surrogate 1 2-Dichloroethane-d4 2 17 250 87 60-135 <br /> Matrix Spike Dup(SKI1024-MSD1) Source MOK003I-02 Prepared 11/11/05 Analyzed 11/12/05 <br /> tert-Amyl methyl ether 90 4 2 5 ug/I 75 2 050 120 80-115 3 15 LM <br /> Benzene 111 25 258 100 43 65-115 4 20 LN <br /> tert-Butyl alcohol 810 25 716 200 85 75-120 22 25 <br /> Di-isopropyl ether 72 0 25 75 6 ND 95 75-125 4 15 <br /> Ethanol 1620 500 708 68 219 70-135 34 35 1C,HL <br /> Ethyl tert-butyl ether 80 6 25 75 2 ND 107 75-130 3 25 <br /> Ethylbenzene 368 25 377 1 6 93 75-135 4 15 <br /> Methyl tert butyl ether 276 25 35 1 260 46 65-125 2 20 BB,LN <br /> Sequoia Analytical-Morgan Hill The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document Unless otherwise stated results are reported on a wet weight basis <br /> • This analytical report must be reproduced in its entirety <br /> I <br /> Page 8 of 11 <br />