Tungsten (W)

EPA Method 601 - Purgeables Mix #1

n-Tetracontane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4181-95-7

2,3-Dichloro-6-(2,4-dichlorophenoxy)anisole (6-Chloro-methoxytriclosan), 1.2ml x 50ug/ml, nonane