Gas Internal/Surrogate Standard Back Catalog number: 92805 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4PM120 2,3',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 3430.4-100-AN Maneb Price on request 91869 Aroclor 1248 Price on request