In preparing specifications and purchase descriptions, and in the acquisition of products and services, agencies shall–

(a) Comply with the requirements of title VI of the Clean Air Act, section 706 of division D, title VII of Pub. L. 111-8, Executive Order 13693, and 40 CFR 82.84(a)(2), (3), (4), and (5);

(b) Substitute acceptable alternatives to ozone-depleting substances, as identified under 42U.S.C.7671k, to the maximum extent practicable, as provided in 40 CFR 82.84(a)(1), except in the case of Class I substances being used for specified essential uses, as identified under 40 CFR 82.4(n);

(c) Unless a particular contract requires otherwise, specify that, when feasible, contractors shall use another acceptable alternative in lieu of a high global warming potential hydrofluorocarbon in products and services in a particular end use for which EPA's Significant New Alternatives Policy (SNAP) program has identified other acceptable alternatives that have lower global warming potential; and

(d) Refer to EPA's SNAP program for the list of alternatives, found at 40 CFR part 82, subpart G as well as supplemental tables of alternatives (available at http://www.epa.gov/snap).