EPA Method 507/525 Analytes Mix #2

4-Heptylcyclohexanecarboxylic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 38792-94-8

2,3,7,8-Tetrachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane

N-Nitrosoethylmethylamine, 100 µg/ml, Methanol,