Benzotriazole, 1000µg/ml in MeOH, 1ml

2,3,6,7-Tetrachloro[13C12]biphenylene, 1.2ml x 50ug/ml, nonane

Internal standard mixture for EPA 8275A and 8270C 6 Analytes, each 4000µg/mL in dichloromethane; units: 1x1mL, 5x1mL 1524.12 Acenaphthene-d10 [15067-26-2] 1024.18 Chrysene-d12 [1719-03-5] 1957.6 1,4-Dichloro

2,4,5-Trichloroaniline, 100µg/ml in MeOH, 5ml