AHTN (Tonalid), 100 µg/ml, Cyclohexane, 5ml

PCB Isomer Standard “Dutch 7”, 10µg/ml in Isooctane, 1ml

2,3,4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

6-Hydroxy-1-nitropyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1767-28-8