Naphthalene
City of Katy
Naphthalene is a polycyclic aromatic hydrocarbon, or PAH, released from combustion of fossil fuels and waste incinerators, and also used as a moth repellent. PAHs increase the risk of cancer; damage the immune, nervous and reproductive systems; and can harm developing fetuses.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 6 | 0 | ND |
2015 | ND | 12 | 0 | ND |
2016 | ND | 14 | 0 | ND |
2017 | ND | 12 | 0 | ND |
2018 | ND | 11 | 0 | ND |
2019 | ND | 10 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-07-25 | AC61158 | ND |
2014-07-25 | AC61157 | ND |
2014-07-25 | AC61161 | ND |
2014-07-25 | AC61162 | ND |
2014-07-25 | AC61114 | ND |
2014-10-27 | AC70544 | ND |
2015-01-20 | AC76774 | ND |
2015-01-20 | AC76776 | ND |
2015-01-20 | AC76772 | ND |
2015-01-20 | AC76782 | ND |
2015-01-20 | AC76792 | ND |
2015-01-20 | AC76884 | ND |
2015-01-20 | AC76881 | ND |
2015-01-20 | AC76880 | ND |
2015-01-20 | AC76879 | ND |
2015-01-20 | AC76876 | ND |
2015-05-28 | AC93621 | ND |
2015-05-28 | AC93617 | ND |
2016-01-14 | AD18373 | ND |
2016-01-14 | AD18229 | ND |
2016-01-14 | AD18263 | ND |
2016-01-14 | AD18231 | ND |
2016-01-14 | AD18223 | ND |
2016-01-14 | AD18225 | ND |
2016-01-14 | AD18381 | ND |
2016-01-14 | AD18370 | ND |
2016-01-14 | AD18376 | ND |
2016-01-14 | AD18389 | ND |
2016-03-15 | AD28898 | ND |
2016-03-15 | AD28802 | ND |
2016-07-18 | AD44547 | ND |
2016-10-07 | AD52842 | ND |
2017-02-09 | AD70096 | ND |
2017-02-09 | AD70093 | ND |
2017-02-09 | AD70006 | ND |
2017-02-09 | AD69940 | ND |
2017-02-09 | AD69942 | ND |
2017-02-09 | AD69952 | ND |
2017-02-09 | AD69938 | ND |
2017-02-09 | AD69958 | ND |
2017-02-09 | AD70097 | ND |
2017-02-09 | AD70094 | ND |
2017-02-09 | AD70095 | ND |
2017-02-09 | AD70092 | ND |
2018-01-08 | AE08196 | ND |
2018-01-08 | AE08052 | ND |
2018-01-08 | AE08062 | ND |
2018-01-08 | AE08060 | ND |
2018-01-08 | AE08056 | ND |
2018-01-08 | AE08058 | ND |
2018-01-08 | AE08054 | ND |
2018-01-08 | AE08193 | ND |
2018-01-08 | AE08197 | ND |
2018-01-08 | AE08195 | ND |
2018-01-08 | AE08194 | ND |
2019-01-14 | AE49623 | ND |
2019-01-14 | AE49687 | ND |
2019-01-14 | AE49684 | ND |
2019-01-14 | AE49683 | ND |
2019-01-14 | AE49682 | ND |
2019-01-14 | AE49685 | ND |
2019-01-14 | AE49613 | ND |
2019-01-14 | AE49629 | ND |
2019-01-14 | AE49617 | ND |
2019-01-14 | AE49615 | ND |