Pentachlorophenol, 100 µg/ml, Acetonitrile, 1ml

4-Hydroxysulfadiazine,10 µg/mL,MeOH,1mL,

3-Bromo-2,7,8-trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

EPA Method 8240A - Ketones