Allethrin, 10.0 µg/ml, Acetonitrile, 10ml

Sulfamethoxazole, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 723-46-6

p-Toluidine-2-sulfonic acid, 250mg

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