Laserfiche WebLink
Sequoia 885Jarvis Drive <br /> Analytical <br /> Morgan Hill,CA 95037 <br /> Analytical (406)776-9600 <br /> t FAX(408)782-6308 <br />' www.sequoinlabs.com <br />' URS Corporation[Arco/] <br /> Project:ARCA#2168,Stockton,CA MQK0704 <br /> 2870 Gateway Oaks Dr.,Ste 300 Project Nutnber:GOC81-0010 <br /> Reported: <br /> Sacramento CA,95833 ProjectManager:Vemon P.Elarth <br /> 11/17/05 17:20 <br /> Purgeable Hydrocarbons and Volatile Organic Compounds by EPA method 8260B-Quality Control <br /> Sequoia Analytical-Morgan Hill <br /> Anal Reporting Spike Source %REC RPD <br /> Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 5K16007-EPA 50351 EPA 8260E <br /> Blank(5K16007-BLK1) Prepared&Analyzed: 11/16/05 <br /> Gasoline Range Organics(C4-C12) ND 0.10 mg/kg <br /> Benzene ND 0.0050 " <br /> Toluene ND 0.0050 " <br /> Ethylbenzene ND 0.0050 " <br /> Xylenes(total) ND 0.0050 " <br /> Surrogate:l,2-Dichloroethane-d4 0.00490 0,00500 98 60-125 <br /> Laboratory Control Sample(5K16007-BSI) Prepared&Analyzed: 1I/16/05 <br /> Gasoline Range Organics(C4-C 12) 0.514 0.10 mg/kg 0.440 117 53-126 <br /> Benzene 0.00511 0.0050 0.00516 99 65-125 <br /> Toluene 0.0320 0.0050 0.0372 86 85-125 <br /> Ethylbenzene 0.00727 0.0050 0.00754 96 80-135 <br /> Xylenes(total) 0.0398 0.0050 0,0412 97 80-140 <br /> Surrogate:l,2-Dichloroethane-d4 0.00531 0.00500 106 60-115 i <br /> Matrix Spike(5K16047-MS1) Source:MOK0689-01 Prepared&Analyzed: 11/16/05 <br /> F Gasoline Range Organics(C4-C12) 0.977 0.10 mg/kg 0.440 0.71 61 53-126 <br /> Benzene 0.00501 0.0050 0.00516 ND 97 65-125 <br /> Toluene 0.0301 0.0050 0.0372 0.00021 80 85-125 LN <br /> ' Ethylbenzene 0.00668 0,0050 0.00754 ND 89 80-135 <br /> Xylenes(total) 0.0368 0.0050 0.0412 0.00072 88 80-140 I <br /> l <br /> Surrogate:1,2-Dichloroethane-d4 0.00505 0.00500 101 60-125 <br /> Matrix Spike Dup(5K16007-MSD1) Source:MOK0689-01 Prepared&Analyzed: 11/16/05 <br /> Gasoline Range Organics(C4-C12) 0.749 0.10 mg/kg 0,440 0.71 9 53-126 26 25 LN,BA <br /> Benzene 0.00447 0.0050 0.00516 ND 87 65-125 11 20 <br /> Toluene 0.0275 0.0050 0.0372 0.00021 73 85-125 9 15 LN <br /> 1 Ethylbenzene 0.00563 0.0050 0.00754 ND 75 80-135 17 20 LN <br /> Xylenes(total) 0.0319 0.0050 0.0412 0.00072 76 80-140 14 20 LN <br /> Surrogate:1,2-Dichloroethane-d4 0.00436 <br /> 0.00500 87 60-125 <br /> i <br /> 1 . <br /> I <br /> Sequoia Analytical-Morgan Hill The results in this report apply 10 the samples analyzed in accordance with the chain of f <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 /> Page 5 of 7 <br />