Department of Labor Logo United States Department of Labor
Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

April 1990

Productivity in scrap and waste materials processing

Mark Sieling

Higher capacity machinery, growing demand, and industry consolidation spurred gains in output per hour of all persons over the 1977-87 period. This article examines productivity trends in the scrap and waste materials processing industry over the span of a decade.

Download PDF »