answersLogoWhite

0

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.

User Avatar

Wiki User

10y ago

What else can I help you with?

Related Questions

What is the hardness value for carbon?

the hardness vlaue of carbon very much depends on the value of the hardness of the carbon. if it is a high value then the hardness is high however if it is a low value then it is a low hardness helpful??? :D


Normal hardness value of cast iron used in lathe bed?

In brinell scale ,the hardness value is 180


If a material has a hardness of 8 can it not be scratched by a material with a hardness of 7?

Yes, a material with a hardness of 8 can scratch a material with a hardness of 7, but not the other way around. Hardness is a measure of a material's resistance to scratching, so a material with a higher hardness value can scratch a material with a lower hardness value.


How to find QR matrix in LQR linear quadratic regulator?

Q = 1 / Maximum value of Z permissible R = 1/ Maximum value of u permissible


What is the hardness value of EN19?

250


What is the minimum hardness value for IS 1570 Gr 20C8 material?

The minimum hardness value for IS 1570 Gr 20C8 material is typically around 197 HB.


What is the permissible percentage of ovality in a cylindrical shell?

twice of the value of circular tolerance


What is the hardness of bromine?

Bromine's hardness is not typically measured, as it is a liquid at room temperature and does not possess a defined hardness value like solid materials.


What is the hardness for chlorine?

It is a gas so it doesn't have a hardness unless in solid state


How do you determine the hardness of a mineral?

The hardness of a mineral is determined by scratching it with materials of known hardness, such as a fingernail, a copper penny, a steel nail, or a piece of glass. The mineral is assigned a hardness value based on which material can scratch it. This is known as the Mohs scale of hardness.


An equation that is made true by any permissible replacement value for the variable is called?

It is an identity.


The maximum permissible loan to value ratios are?

determined by federal statute in the case of FHA loans