Tetraethyltin, 1000 µg/ml, Methanol, 5ml

Pendimethalin, 10.0 µg/ml, Ethyl acetate, 10ml

Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5

Benzo[a]pyrene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 50-32-8