EPA Method 625 Base/Neutrals Mix #4

1-Methyl-5-nitro-2-phenylbenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-5, Cas.no. 20648-09-3

Tris(2-chloroethyl)phosphate

2,4'-DDD, 100 µg/ml, Methanol, 1ml