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Sequoia <br />Analytical <br />819 Striker Avenue, Suite 8 <br />Sacramento, CA 95834 <br />(916) 921-9600 <br />FAX (916) 921-0100 <br />www.sequoialabs.com <br />Kleinfelder - Stockton Project: Granite Burnpile <br />2825 East Myrtle Street Project Number: 20-1108-33 Reported: <br />Stockton CA, 95205 Project Manager: Doug Heard 08/15/01 17:24 <br />Semivolatile Organic Compounds by EPA Method 8270C - Quality Control <br />Sequoia Analytical - Walnut Creek <br />Reporting Spike Source %REC RPD <br />Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br />Rntrh 1 H02022 - EPA 3550B Sonication <br />LCS Dup (11-102022-BSD1) <br />-------------- <br />- <br />5.00 <br />Prepared: 08/02/01 Analyzed: 08/04/01 <br />- - ----- <br />Surrogate:2-Fluorobiphenyl <br />2.87 <br />mg/kg <br />3.33 <br />70.6 <br />86.2 <br />- 115 <br />Surrogate: p-Terphenyl-d14 <br />3.91 <br />71.8 <br />3.33 <br />Surrogate: 2-Fluorobiphenyl <br />117 <br />18-137 <br />Matrix Spike_ (1H_02022-MS1) <br />Source: W107390-01 <br />Prepared: 08/02/01 <br />Analyzed: 08/04/01 <br />Acenaphthene <br />2.77 <br />0.10 mg/kg <br />3.33 <br />ND <br />83.2 <br />31-137 <br />4 -Chloro -3 -methyl phenol <br />4.16 <br />0.10 <br />5.00 <br />ND <br />83.2 <br />26-103 <br />2 -Chlorophenol <br />3.74 <br />0.10 <br />5.00 <br />ND <br />74.8 <br />25-102 <br />1,4 -Dichlorobenzene <br />2.46 <br />0.20 <br />3.33 <br />ND <br />73.9 <br />28-104 <br />2,4-Dinitrotoluene <br />2.16 <br />0.20 <br />3.33 <br />ND <br />64.9 <br />28-89 <br />4-Nitrophenol <br />2.96 <br />0.50 <br />5.00 <br />ND <br />59.2 <br />11-114 <br />N-Nitrosodi-n-propylamine <br />2.96 <br />0.10 <br />3.33 <br />ND <br />88.9 <br />41-126 <br />Pentachlorophenol <br />4.02 <br />0.50 <br />5.00 <br />ND <br />80.4 <br />17-109 <br />Phenol <br />3.55 <br />0.10 <br />5.00 <br />ND <br />71.0 <br />26-90 <br />Pyrene <br />4.12 <br />0.20 <br />3.33 <br />ND <br />119 <br />35-142 <br />1,2,4-Trichlorobenzene <br />2.70 <br />0.20 <br />3.33 <br />ND <br />81.1 <br />38-107 <br />Surrogate:2-Fluorophenol <br />3.52 <br />5.00 <br />70.4 <br />25-121 <br />Surrogate: Phenol -d6 <br />3.53 <br />5.00 <br />70.6 <br />24-113 <br />Surrogate: Nitrobenzene -d5 <br />2.39 <br />3.33 <br />71.8 <br />23-120 <br />Surrogate: 2-Fluorobiphenyl <br />2.96 <br />3.33 <br />88.9 <br />30-115 <br />Surrogate: 2, 4, 6-Tribromophenol <br />2.94 <br />5.00 <br />58.8 <br />19-122 <br />Surrogate: p-Terphenyl-d14 <br />3.81 <br />3.33 <br />114 <br />18-137 <br />Matrix Spike Dup (11102022-M_SD1) <br />Source: W107390-01 Prepared: 08/02/01 Analyzed: 08/04/01 <br />Acenaphthene <br />2.77 <br />0.10 <br />mg/kg 3.33 <br />ND <br />83.2 <br />31-137 <br />0.00 <br />40 <br />4-Chloro-3-methylphenol <br />4.23 <br />0.10 <br />5.00 <br />ND <br />84.6 <br />26-103 <br />1.67 <br />40 <br />2 -Chlorophenol <br />3.70 <br />0.10 <br />5.00 <br />ND <br />74.0 <br />25-102 <br />1.08 <br />40 <br />1,4 -Dichlorobenzene <br />2.45 <br />0.20 <br />3.33 <br />ND <br />73.6 <br />28-104 <br />0.407 <br />40 <br />2,4-Dinitrotoluene <br />2.27 <br />0.20 <br />3.33 <br />ND <br />68.2 <br />28-89 <br />4.97 <br />40 <br />4-Nitrophenol <br />3.00 <br />0.50 <br />5.00 <br />ND <br />60.0 <br />11-114 <br />1.34 <br />40 <br />N-Nitrosodi-n-propylamine <br />3.00 <br />0.10 <br />3.33 <br />ND <br />90.1 <br />41-126 <br />1.34 <br />40 <br />Pentachlorophenol <br />4.06 <br />0.50 <br />5.00 <br />ND <br />81.2 <br />17-109 <br />0.990 <br />40 <br />Phenol <br />3.51 <br />0.10 <br />5.00 <br />ND <br />70.2 <br />26-90 <br />1.13 <br />40 <br />Pyrene <br />3.57 <br />0.20 <br />3.33 <br />ND <br />102 <br />35-142 <br />14.3 <br />40 <br />1,2,4-Trichlorobenzene <br />2.75 <br />0.20 <br />3.33 <br />ND <br />82.6 <br />38-107 <br />1.83 <br />40 <br />--- - <br />Surrogate: 2-Fluorophenol 2-Fluorophenol <br />3.49 <br />5.00 <br />69.8 <br />25-121 <br />Surrogate: Phenol -d6 <br />3.56 <br />5.00 <br />71.2 <br />24-113 <br />Sequoia Analytical - Sacramento <br />The results in this report apply to the samples analyzed in accordance with the chain of <br />custody document. <br />This analytical report must be reproduced in its entirety. <br />Page 18 of 20 <br />