IP 391-95 Calibration Curve 4 Analytes, each Wt.% as listed in n-Heptane; unit: 4x1mL one of each Std. Analyte Std. 1 Std.2 Std.3 Std.4 (mg/mL) (mg/mL) (mg/mL) (mg/mL) 1301.6 Cyclohexane 50 20 5 1 1267.8 o-Xylene 40 10 2.5 0.5 0712.11 1-Methylnaphth

2,2',3,4',5,6,6'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Sulfur Calibr. Mix. Dibenzothiophene in Toluene (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt

EPA 8260B - Multiple Component Solution 1 16 Analytes, each 100µg/mL in methanol; unit: 1x1mL 1300.6 Benzene [71-43-2] 0392.10 n-Butylbenzene [104-51-8] 2341.10 sec-Butylbenzene [135-98-8] 2343.10 tert-Butylbenzene [98-06-6] 1268.8 Ethylbenzene [100