2,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml

4-Chloroaniline, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 106-47-8

Methoprene,100 µg/mL,MeOH,1mL,

Continuing Calibration Verification Standard (CCV)