EPA Method 524 & 624 - Internal Standard Back Catalog number: 19794 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2487.8-K-ME Mono-n-octyltin trichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3091-25-6 Price on request 10296.12-100-IO 3-Chlorobiphenyl Price on request 3PM180 2,2',3,4,4',5,5'-Heptachloro-3'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request