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

Internal & Surrogate Standard 8260B

cis-Permethrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 61949-76-6

BSTFA + 1 % TMCS, 5ml