ICP-MS Tuning Solution #1 EPA 200.8

N-n-Butylbenzenesulfonamide, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3622-84-2

Sulfur Standard 2 Unit: 10mL screw cap bottle Chiron No. Matrix: Methanol Compound Concentration S-4073 Di-n-propyl sulfide 0.5 ppm (w/w) Di-n-butyl sulfide 0.5 ppm (w/w)

gamma-HCH D6, 100µg/mL in Cyclohexane, 1ml