ABSTRACT
Data should be recorded in ink with any changes lined through such that original entry is visible. Changes should be initialed and dated. The following information should be readily available:
1. Laboratory and persons responsible for performing analysis; 2. Analytical techniques=methods used; 3. Date and time of analysis; 4. Results of sample and quality control analyses; 5. Calibration and standards information; 6. Counting and detection limit data; 7. Results of analyses.
