California Gas Additive Standard Back Catalog number: 98644 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53120 EPA Method 353.2 Nitrate + Nitrite Price on request 95457 BTEX, MTBE, Naphthalene Price on request 3745.16-100-ME 7,8-Dichlorohexadecanoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 129244-82-2 Price on request