EPA 8240B Calibration Standard Back Catalog number: 98430 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0455.15-K-IO 2,6,11-Trimethyldodecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31295-56-4 Price on request 674462 4-Chlorophenoxyacetic acid, 250mg Price on request 1109.13-100-TX10 2-Nitrofluorene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 128008-87-7 Price on request