EPA Method 525.2 Standard

24-Ethyl-5ß(H)-cholestan-3ß-ol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4736-91-8

Mix of deuterated PCBs (28,52,101), 100µg/ml in Nonane, 10 x 1ml

Metals Mix #1