National Trends Network Site Operation Manual
Dossett SR and Bowersox VC. 1999. National Trends Network Site Operation Manual. National Atmospheric Deposition Program
This manual is the third revision of the original 1978 Field Observer Instruction Manual by Richard Semonin and Herbert Volchock. Several procedural changes have occurred within the program since the original manual was printed. The table below lists additions and changes in NTN Site Operation protocols since 1994. For information regarding procedural changes prior to 1994, please contact the Program Office (see inside front cover for contact information).