EPA Method 507 - Performance Check Solution

3,5-Dichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 34883-41-5

Atrazine-2-hydroxy D5, 100µg/mL in MeOH, 1,1ml

2-Methoxy-5-methylaniline, 250mg