4-Hydroxy-3,5-dichlorobiphenyl, 10mg

2,2',3,3',4,4',5-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 35065-30-6

Triclabendazole-sulfone, 50mg

EPA Method 507 - Internal Standard