o,p'-DDD, 200µg/ml in Isooctane, 1ml

2,4,6-Tribromoanisole-d5,100 µg/mL,MeOH,1mL

d,l-Methadone-D3.HCl

2,3,4,6,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, nonane