The Environmental Measurements Laboratory (EML), a United States government-owned, government-operated laboratory, is part of the Science and Technology (S&T) Directorate of the Department of Homeland Security (DHS). A descendant of the Manhattan Project, EML was established in 1947. The Laboratory advances and applies the science and technology required for preventing, protecting against, and responding to radiological and nuclear events in the service of homeland and national security. EML's current programs focus on issues associated with environmental radiation and radioactivity. Specifically, EML provides DHS with environmental radiation and radioactivity measurements in the laboratory or field, technology development and evaluation, personnel training, instrument calibration, performance testing, data management, and data quality assurance. The United States Department of Homeland Security (DHS) is a Cabinet department of the federal government of the United States that is concerned with protecting the American homeland and the safety of American citizens. ... Control panels and operators for calutrons at the National Security Complex. ... 1947 was a common year starting on Wednesday (link will take you to calendar). ... An environment is a complex of external factors that acts on a system and determines its course and form of existence. ... Radiation generally means the transmission of objects or information from a source into a surrounding medium or destination. ... Radioactive decay is the set of various processes by which unstable atomic nuclei (nuclides) emit subatomic particles. ...

External links

• http://www.eml.doe.gov/