Anthraquinone-d8, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 10439-39-1

3,4,4'-Trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 38444-90-5

delta-HCH (BHC), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 319-86-8

Method 200.8/1638/1640 Internal Standard