Background

From WebRef.org
Jump to navigationJump to search
  1. The abundance of an element, or any chemical property of a naturally occurring material, in an area in which the concentration is not anomalous. AGI
  2. The slight radioactivity shown by a counter, due to normal radioactivity from cosmic rays, impurities in the counter, and trace amounts of radioactivity in the vicinity.

Source: Dictionary of Mining, Mineral, and Related Terms


Sponsor: Download ANSI ASC Ladder Safety Standards