The 1996 and 1997 Quality Assurance Report for the National Atmospheric Deposition Program (NADP) describes and summarizes the results of the Central Analytical Laboratory’s (CAL) quality assurance program for 1996 and 1997. The procedures for
supporting reliable data are demonstrated through a quality assurance program. This report, through text, figures, and tables, defines the quality assurance program in place at the CAL and assesses the precision and accuracy of the data generated and reported through the NADP.published or submitted for publicationis peer reviewe