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.
Definition - What does Total Chlorine mean? Total chlorine is the sum of combined and free chlorine. In all instances, the level of total chlorine will always be above or equal to free chlorine levels. The most common levels of free chlorine present in drinking water are 0.2 to 2.0 mg/L, but can be up to 5.0 mg/L. Total chlorine is usually measured in wastewater that has undergone treatment.