Heptachlor, 100 µg/ml, Methanol, 1ml

EPA Method 8240 Purgeable Halocarbons

Propazine, 100 µg/ml, Acetonitrile, 5ml

2,4,5-Tribromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 14401-61-7