GC/MS Calibration Standard Mix #1

1,2,3,4,5,6,7-Heptachloronaphthalene,,,,

3ß-Acetoxybetulinic acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 10376-50-8

N-Nitrosodiisobutylamine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 997-95-5