Group: Quality End_Group
Group: Quality The data set has been in extensive use for over 5 years by many researchers and has resulted in multiple publications. End_Group
Group: Quality The NADP/NTN Network operates a comprehensive quality assurance program. Within this program, the network follows an extensive set of QA/QC procedures covering field, laboratory, and data management operations. These procedures involve but are not limited to the following: the use of standard reference materials by both field and laboratory personnel; measurement of various types of blanks; duplicate analyses including a collocated sampling program; audits of site configurations, equipment, and performance; interlaboratory comparison programs; data verification and integrity checks. Annual reports of network quality are available from the Coordination Office. End_Group