Nitrate as NO3-, 1000µg/ml in water, 100ml

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

4-tert-Butyl-d9-phenol-2,3,5,6-d4,neat,neat,1mL,

Fenthion, 1000µg/ml in Hexane, 1ml