EPA Method 8250/8250A System Performance Check

2'-Fluoro-2,3,3',4,5,6-hexachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

5 alpha(H),17 alpha(H),20R,21ß(H)-3ß-Acetoxycholest-8(14)-ene, , Solvent-, Unit , # of units-, Cas.no.

15N3-Atrazine, 100 µg/ml, Acetonitrile, 1ml