Appendix 2. Quality Assurance Data Collected During the U.S. Geological Survey National Water-Quality Assessment Program’s Agricultural Chemicals Team Studies.The Microsoft© Excel spreadsheet ds603_App2_QA.xlsx (2.5 MB) contains a worksheet named A2 Notes that describes the documentation and abbreviations used in appendix 2. The spreadsheet also contains quality assurance data for samples collected during 2002–09 (worksheet in appendix 2). |