17ß(H),21ß(H)-Hopane, 100µg/min Isooctane, 1ml

trans-Permethrin (isomer mix), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 61949-77-7

Tri-n-propyl phosphate-d21, 1.2ml x 50ug/ml, toluene

2,4,4'-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 7012-37-5