The information on this page relates to the 2000 SOC, for more recent information, see the 2010 SOC System.
Control or operate an entire chemical process or system of machines.
Last Modified Date: October 26, 2009
U.S. Bureau of Labor Statistics | Division of Occupational Employment Statistics, PSB Suite 2135, 2 Massachusetts Avenue, NE Washington, DC 20212-0001
www.bls.gov/SOC | Telephone: 1-202-691-6500 | Contact SOC