EPA Method 507 - Performance Check Solution

Ibuprofen, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 15687-27-1

Metalaxyl-M

2,2',6,6'-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 15968-05-5