Initial Check Verif. Standard 4, in 4%HNO3, 100ml

Hexyl 2-ethylhexyl phthalate (isomer mixture), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 75673-16-4 (CAS of single isomer)

Barban

Benzo[j]fluoranthene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205-82-3