Dimethipin, 100 µg/ml, Methanol, 1ml

N-Nitrosodipropylamine, 100 µg/ml, Methanol, 5ml

2,2',3,3',4-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,

7-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14315-15-2