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Found 10 records similar to Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Sodium
Boron is an essential element for plant growth and is applied directly to the soil as a plant fertilizer. Sodium borate and boric acid are used as fungistatic agents on vegetables, fruits and trees. The maximum acceptable concentration (MAC) for boron in drinking water is 5 mg/L (5000 µg/L).
An aesthetic objective of ≤250 mg/L has been established for chloride in drinking water. At concentrations above the aesthetic objective, chloride imparts undesirable tastes to water and to beverages prepared from water and may cause corrosion in the distribution system.
The aesthetic objective for iron in drinking water is ≤0.3 mg/L (≤300 µg/L).
An aesthetic objective of ≤ 15 true colour units (TCU) has been established for colour in drinking water.
The maximum acceptable concentrations (MAC) and aesthetic objectives (AO) for 1,2- and 1,4-dichlorobenzene in drinking water are established.
There is no evidence of adverse health effects specifically attributable to calcium in drinking water. Insufficient data are available to set a specific value for an aesthetic objective for calcium in drinking water. A guideline for calcium has therefore not been specified.
The aesthetic objective for sulphate in drinking water is ≤500 mg/L, based on taste considerations. Because of the possibility of adverse physiological effects at higher concentrations, it is also recommended that health authorities be notified of sources of drinking water that contain sulphate concentrations in excess of 500 mg/L.
The maximum acceptable concentration (MAC) for monochlorobenzene in drinking water is 0.08 mg/L (80 µg/L); the aesthetic objective (AO) is ≤ 0.03 mg/L ( ≤ 30 µg/L).
An aesthetic objective of ≤250 mg/L has been established for chloride in drinking water. At concentrations above the aesthetic objective, chloride imparts undesirable tastes to water and to beverages prepared from water and may cause corrosion in the distribution system.
Health Canada recently completed its review of MTBE in drinking water. Based on this review, it was concluded that the odour of MTBE would make drinking water unacceptable to Canadians at concentrations much lower than those that may pose a health risk. An aesthetic objective of 0.015 mg/L is established for MTBE in drinking water.