4,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml

2,3-Dibromo-7,8-dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

iso-Butyl n-pentyl phthalate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

Phosphorous Standards Phosphorus in Light White Mineral Oil, 20Cst Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane