17a-Ethinylestradiol, certified, 0.25g

2,3',4,4',6-Pentabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

2,2’,3,3’,4,6’-Hexachlorobiphenyl

Methanol QC Reference Mixture II 10 Analytes, each 200 ppm in 99.9 % methanol; units: 1x10mL, 5x10mL Chiron No. Name Chiron No. Name 1381.2Methyl formate 1370.5 3-Pentanone 1377.4 2-Butanol