Semi-Volatile Internal Standard

1,1,1,3,15,17,17,17-Octachloroheptadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

2-Chloroethyl vinyl ether, 1000mg

Atrazine-2-hydroxy, 10.0 µg/ml, Methanol, 10ml