Nitrites factsheet Water Quality Association
https://www.wqa.org/Portals/0/Technical/Technical%20Fact%20Sheets/2014_NitrateNitrite.pdf
Document Tag: Nitrites
Nitrites webpage Minnesota Department of Health
https://www.health.state.mn.us/communities/environment/water/wells/waterquality/nitrate.html
Nitrites webpage California Department of Health Services
https://www.atsdr.cdc.gov/hac/pha/reports/pacificgaselectric_04222003ca/pdf/apph.pdf
Nitrites webpage Water Research Center
https://water-research.net/index.php/nitrate