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819 Striker Avenue,Suite 8 <br /> Sequoia <br /> Sacramento,CA 95834 <br /> (916)921-9600 <br /> FAX(916)921-0100 <br /> Analytical www•sequoialabs.com <br /> Data Quality Objectives/Sequoia Analytical - Petaluma <br /> Method Analyte MDL MRL Units <br /> EPA 11260B Isopropylbenzene 0.1 1 ug/I <br /> EPA 8260B p-Isopropyltoluene 0.11 1 ug/I <br /> EPA 8260B Methacrylonitrile 1.74 10 ug/I <br /> EPA 8260B Methylene chloride 0.06 1 ug/l <br /> EPA 8260B Methyl methacrylate 1.61 5 ug/I <br /> EPA 8260B 4-Methyl-2-pentanone 1.09 10 ug/I <br /> EPA 8260B Methyl tert-butyl ether 0.08 1 ug/I <br /> EPA 8260B Naphthalene 0.1 1 ug/l <br /> EPA 82608 Propionitrile 14.7 100 ug/I <br /> EPA 8260B n-Propylbenzene 0.11 1 ug/I <br /> EPA 8260B Styrene 0.09 1 ug/I <br /> EPA 82601 1,1,2,2-Tetrachloroethane 0.17 1 ug/I <br /> EPA 82608 1,1,1,2-Tetrachloroethane 0.08 1 ug/l <br /> EPA 826013 Tetrachloroethene 0.08 1 ug/I <br /> EPA 8260B Toluene 0.07 1 ug/I <br /> EPA 82608 1,2,3-Trichlorobenzene 0.12 1 ug/I <br /> EPA 8260B 1,2,4-Trichlorobenzene 0.1 1 ug/l <br /> EPA 82608 1,1,2-Trichloroethane 0.08 1 ug/I <br /> EPA 82608 1,1,1-Trichloroethane 0.05 1 ug/l <br /> EPA 8260B Trichloroethene 0.06 1 ug/I <br /> EPA 8260B Trichlorofluoromethane 0.07 1 ug/I <br /> EPA 8260B 1,2,3-Trichloropropane 0.08 1 ug/I <br /> EPA 82608 1,3,5-Trimethylbenzene 0.11 1 ug/I <br /> EPA 82608 1,2,4-Trimethylbenzene 0.11 1 ug/I <br /> EPA 8260B Vinyl acetate 1.64 20 ug/I <br /> EPA 8260B Vinyl chloride 0.06 1 ug/I <br /> EPA 8260B m,p-Xylene 0.21 1 ug/I <br /> EPA 8260B o-Xylene 0.07 1 ug/l <br /> EPA 8260B Dibromofluoromethane % <br /> EPA 82608 1,2-Dichloroethane-d4 <br /> EPA 8260B Toluene-d8 <br /> EPA 8260B 4-Bromofluorobenzene <br /> Data Quality Objectives/Sequoia Analytical - Sacramento <br /> Method Analyte MDL MRL Units <br /> ' Conventional Chemistry Parameters by APHA/EPA Methods <br /> in Water <br /> EPA 160.1 Total Dissolved Solids 1 5 mg/I <br /> EPA 300.0 Chloride 0.025 0.2 mg/I <br /> EPA 300.0 Nitrate/Nitrite as N 0.00 0.02. mg/ <br /> EPA 300.0 Sulfate as SO4 0.02211 0.2 2 mg/l <br /> Page 2 of 2 <br />