EPA Method 8240A Mix #3 Back Catalog number: 82423 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PN-56S 1,2,3,7,8-Pentachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 72288 D-Xylose Price on request 2353.32-100-ME Tetraoctylammonium bromide, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 14866-33-2 Price on request