Sodium perfluoro-1-heptanesulfonate, 1.2ml x 50ug/ml, methanol

2,4’-DDT, 1000µg/ml in MeOH, 1ml

2,2',3,3',4,5,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL,

Trichlorfon, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 52-68-6