EPA Method 515.2Methyl Derivatives Back Catalog number: 30074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended R700852-1MG Roxithromycin-d7, 1mg Price on request 8577-K-W Triton X-114, 1000µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. Price on request 0430.13-K-IO 2-Methylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 643-58-3 Price on request