2,2',3,4',5,5'-Hexachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane

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)

Mirtazapine, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 61337-67-5

EPA Method 533 Native Primary Std. (br/linear mix), 500ng/ml in MeOH, 1,2ml