EPA Method 525.2 Standard Back Catalog number: 92694 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8688.8 Vamidothion, , Solvent-, Unit , # of units-, Cas.no. 2275-23-2 Price on request 11695.12-100-IO 2,3,4,4'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 2893.18-100-HX Di-n-pentyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 358730-89-9 Price on request