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' 110 2nd Ave youth,4D7, PaOcco, CA 91553-5560 <br /> McCAIWBELL ANALYTICAL NC I Telephone 925-798-1620 Fax 925-798-1623 <br /> Imp l/www mccampbe]l cam E-mail main@mccatnpbell corn <br /> i <br /> ' QC REPORT <br /> VOCs (EPA 824018260) <br /> ' Date 12/31/01 Extractlon EPA 5030 Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound I app I <br /> ' Sample MS MSD Amount � MS MSD <br /> Spiked , <br /> SarnplelD 122801 Instrument GC-10 <br /> Surrogate ND 1020 1020 10000 102 102 I 00 <br /> tert-Amyl Methyl Ether ND 86 86 1 1000 86 86 j 00 <br /> Methyl ter#Butyl Ether ND 91 91 1 10 00 91 91 00 <br /> Ethyl tert-Butyl Ether �I ND 90 90 10 00 90 90 00 <br /> Di-isopropyl Ether ND 92 92 I 100o 92 92 00 <br /> ' Surrogate ND 1020 1020 100 00 102 102 I 00 <br /> Toluene ND 92 93 1000 92 93 1 1 <br /> Benzene ND 100 101 1000 100 101 1 0 <br /> Chlorobenzene ND 99 T 10 1000 99 100 Ij 1 0 <br /> Trichloroethene ND 8 3 8 4 i 1000 83 84 ! 12 <br /> 1,1-Dlchloroethene ND 82 82 1000 82 82 00111 <br /> 1 <br /> • <br /> {MS—Sample <br /> °6 Re cavery= .-_—Sp,ked 00 <br /> {AL5—AtiSD) <br /> RPD_ 2100 <br /> (MS+MSD) <br /> RPD means Relative Percent Deviation <br />