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.
Nitrite levels in drinking-water are usually below 0.1 mg/l. In 1993, a maximum value. of 0.21 mg/l was detected in the Netherlands (RIVM, 1993). Chloramination may give rise to the formation of nitrite within the distribution. system, and the concentration of nitrite may increase as the water moves towards the.