2,4'-DDT, 100 µg/ml, Acetonitrile, 5ml

2-Methyl-1-nitronaphthalene-d9, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Benzo[ghi]perylene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 93951-66-7

2,4-DB methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 18625-12-2