EPA Method 200.8 Internal Standard

4-Chloro-2,6-diaminopyrimidine

1-Nitronaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 86-57-7

2-Propanethiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 75-33-2