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LeMasters, Gary S.; Doyle, Douglas J. / Grade A dairy farm well water quality survey
[DNR-058] (1989)

Table of contents,   pp. iii-iv PDF (590.7 KB)


Page iv

State Estimates of Mean Concentrations ..............
Comparisons of District Mean Concentrations ..........
Enforcement Standards and Preventive Action Limits .....
Nitrate-Nitrogen ................................
State Proportion of Wells with Detectable levels of NO3-N
Comparison of District NO3-N Proportions............
State NO3-N Concentration Estimators...............
Comparison of District NO3-N Mean Concentrations .....
Enforcement Standards and Preventive Action Limits .....
NO3-N and Pesticide Association....................
Test of Association Between NO3-N and Pesticide Detection
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DISCUSSION  ..........................................
Followup Investigations ..................................
Well Construction....... ..........
Pesticides in Groundwater in the United States.................
Pesticides in Minnesota Groundwater........................
Distribution of Pesticide Detects in Wisconsin ...................
Historical Explanation for Pesticides in Groundwater...........
SUMMARY.............................................
FIGURES ............................................
TABLES0.............................................
LITERATURE CITED..............
APPENDIX  ........................
........0 31
....- 33
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