1,3,5-Triethylbenzene, 250mg

Demeton-S-methyl, 100µg/mL in Acetonitrile, 1ml

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

Monobutyl phthalate (mBP), 100µg/mL in AcCN,1ml