EPA 1620 Standard 4 Back Catalog number: 52142 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11770.12-100-IO 2,2',3,3',4,4',6,6'-Octachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 9917.26-10MG Di-iso-nonyl phthalate (C9-alkyl ester isomer mix, mainly one isomer), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 28553-12-0 Price on request 95127 3 VOC Mix #2 Price on request