EPA Method 551.1 Standard Back Catalog number: 94519 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71477 p-Chlorophenyl methyl sulfoxide Price on request 3210.18-K-IO 9-cis,12-cis,15-cis-Octadecatrienoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 463-40-1 Price on request 2488.16-K-ME Di-n-octyltin dichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3542-36-7 Price on request