Perchlorate (ClO4-), 100µg/mL in Water, 100ml

2-Ethylhexyl 2,3,4,5-tetrabromobenzoate, 1.2ml x 50ug/ml, toluene

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)

Native Chlorinated Methoxybiphenyl Solution/Mixture, 1.2ml, nonane