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.
The taste threshold of the chloride anion in water is dependent on the associated cation. mg/litre (2). concentration of 400 mg/litre as sodium chloride or 530 mg/litre as calcium chloride (3). chlorine, sodium chlorite, and sodium hypochlorite.