California Gas Additive Standard Back Catalog number: 98646 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDD-12479 1,2,4,7,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request 50586 pH 2.0 Standard @ 25°C Price on request 8680.17-100-CY Mepronil Price on request