EPA Method 551.1 Performance Check Soln

2,3',4,5-Tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 32598-11-1

Ametryn, 100 µg/ml, Acetonitrile, 5ml

Acetone,neat,neat,1.5mL,