EPA Method 507/525 Analyte Mix #1

3'-Fluoro-2,3,4,5,6-pentachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 29779-02-0

D7-Penicillin G N-Ethylpiperidinium salt, 10mg

2-Methylnaphthalene