EPA Method 8240A - Purgeable Surr Std

2-(4-Bromophenyl)-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-2, Cas.no. 2622-74-4

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)

2,6-Dimethylnaphthalene-d12, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 350820-12-1