While spaying is traditionally recommended for kitties between 4 and 6 months of age, spaying as young as 8 weeks old is considered safe, according to Cat Channel.
The national drinking water standards state that the maximum residual amount of chlorine is 4 mg/L. Untill recently the USA used chlorine gas extensively for wastewater treatment. Today, the use of chlorine has been forced back.
We call this measuring the chlorineresidual.Measuring the chlorine residual in a water supply is asimple but important method of checking that the waterthat is being delivered is safe to drink When and where to test water The most common place to use chlorine as adisinfectant is in a piped water supply.