1,3,6-Trichloronaphthalene, 1.2mL x 50ug/mL, nonane

Thiophene in Thiophene-free Benzene Units: 5x1mL ampoule, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C)

2,2',3,4,5,6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

EPA Method 8250/8250A Cal Check BNS