Question
Download Solution PDFBlue baby disease found in infants is due to excessive ________ in drinking water.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFAs per IS 10500: 2012, the following are the various permissible limits for different parameters:
|
Parameters |
Acceptable Limit |
Permissible limit in absence of alternate source. |
|
Total suspended solids |
500 |
2000 |
|
Turbidity (NTU) |
1 |
5 |
|
Colour (TCU) |
5 |
15 |
|
Taste & odour (TON) |
1 |
3 |
|
Total dissolved solids (mg) |
500 |
2000 |
|
Alkalinity |
200 |
600 |
|
pH |
6.5 – 8.5 |
No relaxation |
|
Hardness (mg/L) |
200 |
600 |
|
Chloride content (mg/L) |
250 |
1000 |
|
Free ammonia (mg/L) |
0.15 |
0.15 |
|
Nitrate (mg/L) |
45 |
No relaxation |
|
Fluoride content (mg/L) |
1 |
1.5 |
|
lron as Fe (mg/L), max |
0.3 |
No relaxation |
|
Sulphate (mg/L) |
200 |
400 |
|
Calcium (mg/L) |
75 |
200 |
Fluoride or fluorine deficiency is a disorder that may cause increased dental caries (or tooth decay) is the breakdown of dental tissues by the acidic products released by the bacterial fermentation of dietary carbohydrates.
Excess of nitrates is harmful to infants and causes Methemoglobinemia or Blue baby disease.
Lead in excess is toxic to many organs and tissues including heart, kidney, bones, intestines, reproductive system and nervous system. Excess lead causes anemia.Last updated on May 28, 2025
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