Copper: Copper is a trace element that is essential for most animals, including humans. It is needed to absorb and utilize iron. The influence of copper upon health is due to the fact that it is part of enzymes, which are proteins that help biochemical reactions occur in all cells.
To facilitate the inspection, employers shall do all of the following: (1) maintain a copy of each employee's personnel records for a period of not less than three years after termination of employment, (2) make a current employee's personnel records available for inspection, and if requested by the employee or representative, provide a copy at the ...
How long do we need to keep our training records / employee files / medical records once an employee stops working for our laboratory? Training Records: OSHA requires that you retain training records for employees for three years. We recommend that you keep employee training records for the length of employment plus a minimum of five years. Check Federal and State Employment laws for Retention of Employee records.