1,1-Dichloro-2,2-bis(4-Chlorophenyl-d4)ethylene, 100µg/mL in IO, 1ml

(1R,2S,3S,4R)-rel-1,2,3,4-Tetrahydro-benz[a]anthracene-1,2,3,4-tetrol, , Solvent-, Unit , # of units-, Cas.no. 78326-53-1 (Unspecific sterochemistry)

EPA Method 608.3 DCB/TCMX Surrogate Mixture, 200µg/mL in Acetone, 1ml

3,3',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-80-9