Senate committee substitute to the 1st edition makes the following changes. Amends GS 66-420 to add the term copper, defined as nonferrous metals including copper wire, copper clad steel wire, copper pipe, copper bars, copper sheeting, copper tubing and pipe fittings, and insulated copper wire. The term does not include brass alloys, bronze alloys, lead, nickel, zinc, or itmes not containing a significant quantity of copper. Makes a conforming change to the definition of nonferrous metals to include copper, removing references to specified copper items that are now included under the term "copper." Deletes proposed amendments to GS 66-424 and GS 66-421.