The Secretary of Commerce shall within two years after September 1, 1979 , take such actions as may be necessary to— (1) identify the geographical location of existing or potential markets for recovered materials ; (2) identify the economic and technical barriers to the use of recovered materials ; and (3) encourage the development of new uses for recovered materials . ( Pub. L. 89–272, title II, § 5003 , as added Pub. L. 94–580, § 2 , Oct. 21, 1976 , 90 Stat. 2821 ; amended Pub. L. 96–482, § 21(b) , Oct. 21, 1980 , 94 Stat. 2346 .) Editorial Notes Amendments 1980— Pub. L. 96–482 substituted “ September 1, 1979 ” for “ October 21, 1976 ”. CFR Title Parts 40 3 , 9 , 451