beta-Estradiol hemihydrate, 250mg

(Use Part# 82423) EPA Method 8240A Mix #3

EPA Method 537 Analyte Primary Dilution Standard (linear isomers only), 1.2ml, methanol

2,2',3,4,5,5'-Hexachlorobiphenyl-3',4',6'-d3,100 µg/mL,isooctane,1mL