Promethazine hydrochloride,1000 µg base/mL,DMSO,1mL

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

Demeton-S-methyl, 100 µg/ml, Toluene, 1ml

Aromatic Petroleum Pollutants 6 Analytes each 200 µg/mL in toluene; units: 1x1mL, 5x1mL 0712.11 1-Methylnaphthalene [90-12-0] 0725.12 1,6-Dimethylnaphthalene [575-43-9] 0812.15 2-Methylphenanthrene [2531-