EPA Method 8260 Internal Standard - Revised

Dibenz[a,h]anthracene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 53-70-3

Benzo(e)pyrene,2000µg/ml in methylene chloride,1ml

Cresyl Diphenyl Phosphate, 250mg