EPA 1620 Standard 2 Back Catalog number: 52140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA20950009AL PAH-Mix 9, 100µg/mL in Acetonitrile, 1mL Price on request 8539.18-100MG n-Pentyl iso-pentyl phthalate (n-Pentyl 3-methlybutyl phthalate), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 776297-69-9 Price on request 3596.15-K-IO 2-Methyltetradecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1560-95-8 Price on request