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Sulfate (SO42-) is a polyatomic anion of sulfur and oxygen. For the Beaver Run Project, sulfate is detected and quantified by suppressed anion chromatography. Our current limit of detection is xx ppm, and our current limit of quantitation is xx ppm.
Sources of Sulfate
"Sulfates occur naturally in numerous minerals, including barite (BaSO4), epsomite (MgSO4⋅7H2O), and gypsum (CaSO4⋅2H2O)."
Sulfate Levels and Health
The Environmental Protection Agency (EPA) sets a Secondary Maximum Contaminant Level (SMCL) for chloride of 250 ppm.
Notes and References
- Sulfate in Drinking Water, World Health Organization, http://www.who.int/water_sanitation_health/dwq/chemicals/sulfate.pdf; accessed 02/08/2016.
- Table of Secondary Drinking Water Standards., US EPA, http://www.epa.gov/dwstandardsregulations/secondary-drinking-water-standards-guidance-nuisance-chemicals; accessed 02/01/2016.