EPA Method 8081A Pesticide Standard A

2,4-Dihydroxybenzophenone-13C6, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 131-56-6 (unlabelled)

Sodium 4-n-octylbenzenesulfonate, 100 µg/ml, Meth

Method 314.1 /