EPA Method 507/525 Analytes Mix #4

Pirimiphos-ethyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23505-41-1

3,4-Dichlorobenzotrifluoride

5ß(H)-Cholan-24-ol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3110-99-4