EPA Method 645 Analytes Back Catalog number: 40059 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 56139 Yttrium (Y) Price on request MPCB-MXE Native Chlorinated Methoxybiphenyl Solution/Mixture, 1.2ml, nonane Price on request 2884.30-5UG 17ß(H),18 alpha(H)-22-Methyl-28-nor-spergulane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request