DOE/NV/0003590-49 Project 57 Air Monitoring Report: January 1 through December 31, 2018 Prepared by Steve A. Mizell, George Nikolich, John M. Healey, Craig Shadel, John Goreham, Greg McCurdy, and Julianne J. Miller Submitted to U.S. Department of Energy Environmental Management Nevada Program Las Vegas, Nevada March 2020 Publication No. 45291 Nevada System of Higher Education Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof or its contractors or subcontractors. Available for sale to the public from: U.S. Department of Commerce National Technical Information Service 5301 Shawnee Rd. Alexandria, VA 22312 Phone: 800.363.2068 Fax: 703.605.6880 Email:
[email protected] Online ordering: https://ntrl.ntis.gov/NTRL/ Available electronically at https://www.osti.gov/ DOE/NV/0003590-49 Project 57 Air Monitoring Report: January 1 through December 31, 2018 Prepared by Steve A. Mizell, George Nikolich, John M. Healey, Craig Shadel, John Goreham, Greg McCurdy, and Julianne J. Miller Desert Research Institute Nevada System of Higher Education Publication No. 45291 Submitted to U.S. Department of Energy Environmental Management Nevada Program Las Vegas, Nevada March 2020 ________________________ The work upon which this report is based was supported by the U.S. Department of Energy under Contract #DE-NA0003590. Approved for public release; further dissemination unlimited. THIS PAGE INTENTIONALLY LEFT BLANK ii EXECUTIVE SUMMARY On April 24, 1957, the Atomic Energy Commission (AEC) (now the Department of Energy [DOE]) conducted the Project 57 safety experiment in western Emigrant Valley northeast of the Nevada National Security Site (NNSS) (formerly the Nevada Test Site) on lands withdrawn by the Department of Defense (DOD) for the Nevada Test and Training Range (NTTR).