n-butane, isobutane, cis-2-butene, trans-2-butene, 1-butene, iso-butylene, 1,3-butadiene, ethyl acetylene in nitrogen (15 ppm each)Air, zero (THC < 1 ppm) Back to: Scott/Air Liquide Transportable Pure Gases and Mixtures 1,1,1-Trichloroethane in nitrogen (10 ppm) Product Code: 34493-PI Scott/Air Liquide Air Std, 10ppm 1,1,1-Trichloroethane in Nitrogen, 110L Pi-marked cylinder, 2yr shelf life, Ship FedEx Only - HAZ Fees Apply Please call the sales team on 01494 563377 or email for pricing details Description Scott/Air Liquide Air Std, 10ppm 1,1,1-Trichloroethane in Nitrogen, 110L Pi-marked cylinder, 2yr shelf life, Ship FedEx Only - HAZ Fees Apply