2,2',4,4',5-Pentachlorodiphenyl ether, 1.2ml x 50ug/ml, nonane

Ethanol standard in water,1.1g/L,water, 1.5mL

Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K

Trichloroethene