(b) Unless otherwise specified in the contract, the Contractor shall reduce its use, release, or emissions of high global warming potential hydrofluorocarbons, when feasible, from aerosol propellants or solvents under this contract. When determining feasibility of using a particular alternative, the Contractor shall consider environmental, technical, and economic factors such as–

(1) In-use emission rates, energy efficiency;

(2) Safety, such as flammability or toxicity;

(3) Ability to meet technical performance requirements; and

(4) Commercial availability at a reasonable cost.