Perchlorate Level 3

4-n-Butylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 20651-71-2

1,4-Naphthoquinone-d6, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 26473-08-5

N-Nitrosodimethylamine-d6, 1000µg/ml in dichloromethane, 1ml