EPA Method 524.2 - Revision 4.0 Back Catalog number: 33001 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended D454512 rac 3,4-Dihydroxyphenylethylene Glycol-d5, 1mg Price on request 2159.11-K-T Pentamethylbenzene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 700-12-9 Price on request 24P-DDE 1,1-Dichloro-2-(2-chlorophenyl)-2-(4-chlorophenyl)ethene, 1.2mL x 100ug/mL, nonane Price on request