Terbufos, 100 µg/ml, Ethyl acetate, 5ml

Methiocarb, 100µg/ml in MeOH, 1,5ml

Custom BTEX mixture, variation of S-4218 6 components, each concentration as described below in methanol 1300.6 Benzene, 3000µg/mL 1264.7 Toluene, 3000µg/mL 1268.8 Ethylbenzene, 300µg/mL 1265.8 p-Xylene, 300µg/mL 1266.8m-Xylene, 300µg/mL 1267.8 o-X

EPA Method 548.1 Analyte