Pub. L. 95–307, § 9Pub. L. 101–624, title XII, § 1241(b)104 Stat. 3544Section, , as added , , , related to recycling research.
section 9 of Pub. L. 95–30792 Stat. 357Pub. L. 95–307section 1641 of this titlePub. L. 101–624A prior , , , provided the effective date for and was set out as a note under , prior to general amendment by .