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Why are coliforms used as indicator organisms if they are not usually pathogens?
Coliforms are used as a indicator organism because they are abundant in matrix, easy to find, cost effective. Coliforms has frequently been used in water testing because of all of these benefits.
How many coliforms can be present in safe drinking water?
over 9,000
What is the acceptable level of lead in drinking water?
5 mg/L
Does a positive presumptive test mean that water is absolutely unsafe to drink?
No it doesn't, it just tells you that there are coliforms present, but not what kind. Coliforms themselves do not make you sick, the type of bacteria does.
What is the acceptable Total Suspended Solids level in drinking water?
1-2ppm
What is permissible value for hardness in well water for drinking purpose?
60 -100 ppm is the currently acceptable hardness level for drinking water in US and Canada.60 -100 ppm is the currently acceptable hardness level for drinking water.
What is the maximum acceptable level of bacteria in dental unit water as recommended by the CDC?
5
Why are coliforms selected as the indicator of water potability?
Coliforms are used as an indicator of water portability because they may be associated with the sources of pathogens that contaminates the water and they can be easily cultured and detected.
What is the acceptable level for total suspended solids in drinking water?
NONE. jk I wanna know for ponds
What do you need to do to get the kiddie pools water back to the acceptable pH?
You will have to add an alkaline substance in order to get the kiddie pools water back to an acceptable PH level. Calcium carbonate would work to increase the PH.
What is TDS of water?
Generally, a TDS level between 50-150 is considered as the most suitable and acceptable. Ans: If the TDS level is about 1000 PPM, it is unsafe and unfit for human consumption.
If you need very quiet system what is acceptable noise level?
The "acceptable noise level" will depend on your specific needs! What is "acceptable" in one situation, may be utterly unacceptable in another.
