Examples of Primary MCL in a sentence
Primary MCL standard (health related), applies to source (raw) water only.
Nitrification is a biological process that converts ammonia to nitrate and nitrite, and will result in effluent nitrate concentrations above the Primary MCL for nitrate plus nitrite.
Nitrate concentrations in a drinking water supply above the Primary MCL threatens the health of human fetuses and newborn babies by reducing the oxygen-carrying capacity of the blood (methemoglobinemia).
Discharges of nitrate plus nitrite in concentrations that exceed the Primary MCL would violate the Basin Plan narrative chemical constituents objective.
For nitrate, USEPA has developed Drinking Water Standards (10 mg/L as Primary MCL) and NAWQC for protection of human health (10 mg/L for non-cancer health effects).
Although the Discharger denitrifies the discharge, inadequate or incomplete denitrification creates the potential for nitrate and nitrite to be discharged and provides the basis for the discharge to have a reasonable potential to cause or contribute to an in-stream excursion above the Primary MCL.
For nitrate, U.S. EPA has developed Drinking Water Standards (10 mg/L as Primary MCL) and NAWQC for protection of human health (10 mg/L for non-cancer health effects).
Groundwater Quality Data, Lower San Pedro Basin, 1999-2000 Sample # ADEQ # bold = constituent level exceeds Primary or Secondary MCL italics = constituent exceeded holding time* = concentration exceeds the revised arsenic SDW Primary MCL of 0.01 mg/l which becomes effective in 2006Appendix B.
Of the 23 hardrock sample sites, only three had constituents exceeding a Primary MCL which consisted of gross alpha (two sites) and arsenic and fluoride (one site apiece).
The site near Oracle also exceeded the fluoride Primary MCL standard.