EPA Method 8240A - Purgeable Surr Std

2-Bromo-4,5,6-trichloroaniline, , Solvent-, Unit , # of units-, Cas.no.

Alachlor OA Sodium Salt, 100μg/mL in MeOH, 1ml

17a-Ethinylestradiol, certified, 0.25g