EPA Method 548.1 Analyte

6-Nitrobenzo[a]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63041-90-7

Caffeine-d3 (1-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 26351-03-1

Prometryn, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 7287-19-6