EPA Method 8250/8250A Mix #2 - Acids

2,2',3,3',4',5,6-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 52663-70-4

Ethanol standard in serum,1.5g/L,serum, 3mL

Ethynyl Estradiol-2,4,16,16-d4, 1mg