Most people have claimed to do it at some point in their
life. Some people even think it’s acceptable to do, but did you know that
peeing in pools causes a set of unidentified reactions that releases toxic
chemicals into the air and water?
Cyanogen chloride (CNCl) and trichloramine (NCl3)
are nitrogen containing disinfection byproducts (N-DBPs) in found in most chlorinated
swimming pools. Both of these compounds are toxic to the human body. NCl3
is associated with acute lung injuries and CNCl has been shown to affect the
lungs, heart, and central nervous system when it is inhaled. The N-DBPs found
in chlorinated pools are mainly attributed to chlorination of human body fluids
of sweat and urine.
Source: jezebel.com |
A recent study done at Purdue University studied the impacts
of uric acid on CNCl an NCl3 concentrations. They stated that close
to 90% of uric acid found in pools comes from urination, if the only source of
uric acid is urine and sweat. The study didn’t use actual body fluids, but
instead made a body fluid analog to react with free chlorine of varying
concentrations. They also collected pool water to see how uric acid reacts in
these solutions. One of the key findings of their study is that uric acid is an
“efficient precursor” of these toxic compounds and that it is also a strong
function of chlorine/precursor ratio, pH, and temperature. Overall, the
research article concluded that decreasing the urination in pools, which is
mostly a voluntary action, would improve air and water quality without having
to change any other factors.
The article from the Latin Post did a pretty good job in
summarizing the study. It reported on most of the aspects that were in the study.
It mentions that how most uric acid comes from urination and what the two toxic
compounds that come from uric acid are. They author also gives a good amount of
background to the implications of the article, discussing the related health
impacts of CNCl and NCl3. Most of the information in this article
though is almost word for word from the news release about the study published by Purdue University. The parts that aren’t word for word have only a couple of words changed. Also, the only link in the news article is to the news release by Purdue, not the actual research study. Overall, the article did a good
job summarizing the findings of the study but did so by essentially copying
another news release.
Study (from MLibrary): http://pubs.acs.org.proxy.lib.umich.edu/doi/pdf/10.1021/es405402r
News article from Latin Post: http://www.latinpost.com/articles/9931/20140401/study-urinating-in-pools-produces-harmful-toxins.htm
News release by Purdue University: http://www.purdue.edu/newsroom/releases/2014/Q2/swimming-pool-urine-combines-with-chlorine-to-pose-health-risks.html