Appendix II Volatile Standard

Chlorfenvinphos, 100 µg/ml, Cyclohexane, 1ml

4,4'-DDD (=TDE), 100µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 72-54-8

Ethyltri-n-butyltin-d27 (tri-n-butyl-d27), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.