VOC Standard Back Catalog number: 98622 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11695.12-100-IO 2,3,4,4'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 679942 Procaine hydrochloride, 250mg Price on request 11703.12-100-IO 2,3',5,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request