4,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml

n-Nonadecane-d40, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 39756-36-0

DMST, 100 µg/ml, Cyclohexane, 5ml

Linearity Check Mix ASTM D-5134