(13C9)Endosulfan Sulfate, 100µg/ml in Nonane, 1,2ml

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

2,3,3',4,4',5,5',6-Octabromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 446255-56-7

Hexabromo[13C6]benzene, 1.2ml x 50ug/ml , toluene