tau-Fluvalinate, certified, 0.1g

Acenaphthenequinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 82-86-0

2,3,7,8-Tetrachlorodibenzofuran,50 µg/mL,n-nonane,1mL,

EPA Method 524 & 624 - Internal Standard