EPA Method 8120 - Chlorinated Hydrocarbons

1,4,5-Trichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane

PCB No. 47, 100µg/ml in Isooctane, 1ml

Omeprazole-d3 (benzimidazole-4,6,7-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.