4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml

Sodium Trifluoroacetate-13C2, 1mg

Pendimethalin-D5, 100 µg/mL in Acetone, 1ml

1,2,4,6,8-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane