WS Disinfection By-Products AMP 1 - Cal Check

Diphenyl isophthalate, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 744-45-6

Isofenphos-oxon, 10mg

EPA Method 525.2 Pesticide Mix #1, 100µg/mL in toluene : hexane [1:1], 1ml