(Use Part# 82423) EPA Method 8240A Mix #3 Back Catalog number: 82403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2886.30-5UG 17 alpha(H)-30-Diahopane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request 64054 Aroclor 1254 in Transformer Oil Price on request DD-237-S 2,3,7-Trichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request