WS Disinfection By-Products - Cal Check 1 Back Catalog number: 92894 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA13797500AL 4-Fluoro-3-phenoxy benzoic acid, 100 ng/µl, 1ml Price on request 4M107 2,3,3',4',5-Pentachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 66018 2,2’,5-Trichlorobiphenyl (18) Price on request