2,4,5-T-methyl ester, 10 µg/ml, Acetonitrile, 10

Custom mix of naphthalenes, diluted Same components as S-4747, at lower concentrations 0711.10 Naphthalene 92µg/mL 0713.11 2-Methylnaphthalene 233 0721.12 1,2-Dimethylnaphthalene

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

Canadian Drinking Water Carbamates Mix