EPA Method 624 Internal / Surrogate Standard

Melamine phosphate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no.

Diethyl phthalate-3,4,5,6-d4, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93952-12-6

3-Bromo-2,7,8-trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene