17 alpha(H),21 alpha(H)-Hopane, 50µg/mL in Isooctane, 1ml

2,4,6-Trichlorophenol-d2

Permethrin

EPA 528 rev. 1.0 Internal Standard Solution 2 200µg/mL in dichloromethane; unit: 1x5mL 2081.6 2,3,4,5-Tetrachlorophenol [4901-51-3]