EPA Method 624 Internal / Surrogate Standard

2,4,6-Tribromo-3,5-difluorophenol, 100µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. NA

Fluorobenzene, 1ml

8:2 Di-PAPS-d4, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no.