EPA Method 533 Native Primary Std (br/l mix), 500ng/ml in MeOH, 1,2ml

D4-Estrone, 10mg

o-Terphenyl-d14, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 5142-76-6

1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane