EPA Method 8240A Internal Standard Back Catalog number: 22003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3123.16-100-IOX5 Di-iso-butyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 358730-88-8 Price on request 30452 Carbon tetrachloride Price on request ACQ-SE10-115 Ethanol standard in serum,1.0g/L,serum, 1.5mL Price on request