Sodium perfluoro-1-hexane[18O2]sulfonate, 1.2ml x 50ug/ml, methanol

Fenitrothion, 100 µg/ml, Toluene, 1ml

Cresyl Diphenyl Phosphate, 100µg/ml in TO, 1ml

2,3',4,4'-Tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 32598-10-0