Ambient Bedrock Water Quality - Analytical Parameters
Field Parameters
- Specific Conductance
- pH
- Temperature
- Dissolved oxygen
- Oxidation Reduction Potential (ORP)
- Alkalinity - gran plot titration conducted in the field
- Total Iron - using a portable spectrophotometer on an unfiltered sample
- Ferrous Iron - or Fe +2 using a portable spectrophotometer on an unfiltered sample
- Ferric Iron - or Fe +3 obtained by subtracting the ferrous iron concentration from the total iron concentration
- Total Particulate Iron - obtained by subtracting total dissolved iron concentration from total iron concentration
- Arsenic III and V species separation using ion exchange columns
Laboratory Parameters
- Hardness (calculated from magnesium and calcium concentrations)
- Calcium
- Magnesium
- Sodium
- Potassium
- Bicarbonate
- Alkalinity
- Sulfate
- Chloride
- Fluoride
- Silica
- Nitrate as nitrogen
- Phosphorus
- Iron
- Manganese
- Bromide
- Nickel
- Cadmium
- Tin
- Arsenic - Total arsenic, total dissolved arsenic, total particulate arsenic, Arsenic III, and Arsenic V (For early homeowner test results where total arsenic was equal to or greater than 10 ppb)
- Antimony
- Copper
- Lead
- Gold
- Silver
- Zinc
- Chromium
- Aluminum
- Uranium
- Tungsten
- pH
- Standard air equilibrated pH
An archival sample was also collected for possible future analyses of parameters yet to be determined.
Last updated on January 13, 2009
