2,3,4,5-Tetrachlorophenol, 100 µg/ml, Methanol,

Alcohol-Glycol Standard, 4000µg/ml in Water, 1ml

3-Nitrofluoranthene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 892-21-7

Thiophene in Thiophene-free Benzene Units: 5x1mL ampoule, 10mL screw-capped bottle Chiron No. Concentration Light White Mineral Oil µg thiophene/g (20 cSt at 40°C)