Hexachlorobenzene, 1000µg/ml in Isooctane, 1ml

Biphenyl, 100 µg/ml, Cyclohexane, 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

pH 9.0 Standard @ 25°C