Laserfiche WebLink
Sequoia 1551 Industnal Road <br />' San Carlos CA 94070 <br /> Analytical (650)232-96 <br /> FAX(650)232-96]212 <br /> www sequoialabs coin <br /> F47 <br /> ler-Ryan/Geostrategles(1) Project Unocal(4) <br /> Sierra Court, Suite J Project Number Former Unocal#5098, Stockton Reported <br /> lin CA, 94568 Project Manager Deanna Harding 07/01/02 07 46 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical - San Carlos <br /> Reporting Spike Source %R.1=C RPD <br /> Analyte Result Lanit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 2060032-EPA 5030B [P/TJ <br />%ank(.2060032-BLKI) Prepared&Analyzed 06/20/02 <br /> 12,4-Trimethylbenzene ND 20 ug/l <br /> 5-Trimethylbenzene ND 20 <br /> nyl chloride ND 20 „ <br /> Total Xylenes ND 20 " <br /> Urrogare 12-Diehloroethane-d4 107 100 107 76-114 <br /> ogate Toluene-& 9 76 100 976 88-110 <br /> Surrogate 4-BFB 900 100 900 86-115 <br /> nk(2060032-BLK2) Prepared&A alyzed 06/21/02 <br /> zene ND 20 ug/l <br /> Bromobenzene ND 2 0 „ <br /> Imochloromethane ND 2 0 M <br /> modichloromethane ND 20 <br /> Bromoform ND 20 " <br /> Ivethane ND 5 0 n <br /> erizene ND 20 <br /> sec-Butylbenzene ND 20 <br /> -butylbenzene ND 20 „ <br /> bon tetrachloride ND 20 <br /> " <br /> foroberizene ND 2 0 " <br /> oroetliane ND 50 " <br /> oroform ND 2 0 „ <br />.. oromethane ND 50 " <br /> 2-Chlorotoluene ND 2 0 „ <br /> lhlorotoluene ND 2 0 <br /> romochloromethane ND 2 0 <br /> 1,2-Dibromoethane ND 20 <br /> momethane ND 2 0 <br /> tibromo-3-chloropropane <br /> ND so ^ <br />,2-Dichlorobenzene ND 2 0 " <br /> dichlorobenzene ND 2 0 „ <br /> ichlorobenzene <br />)iehlorodifluoremethane ND 50 " <br /> ichlaroethane ND 20 " <br /> ichloroethane ND 20 „ <br /> ichloroethene ND 20 " <br /> 14- ,2-Dichloroethene ND 20 „ <br /> Nuoia Analytical- San Carlos The results to this report applytothe samples analyzed in accordance with the chain of <br /> custody document This analytical report must be reproduced In its entirety <br /> Page 87 of 103 <br /> 1 <br />