Naphthalene
City of Humble
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 | 4 | 0 | ND |
2015 | ND | 10 | 0 | ND |
2016 | ND | 9 | 0 | ND |
2017 | ND | 9 | 0 | ND |
2018 | ND | 10 | 0 | ND |
2019 | ND | 9 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-02-11 | AC42294 | ND |
2014-02-11 | AC42297 | ND |
2014-02-11 | AC42295 | ND |
2014-02-11 | AC42298 | ND |
2015-01-20 | AC76800 | ND |
2015-01-20 | AC76798 | ND |
2015-01-20 | AC76780 | ND |
2015-01-20 | AC76784 | ND |
2015-01-20 | AC76796 | ND |
2015-01-20 | AC76874 | ND |
2015-01-20 | AC76871 | ND |
2015-01-20 | AC76877 | ND |
2015-01-20 | AC76875 | ND |
2015-01-20 | AC76873 | ND |
2016-01-21 | AD19416 | ND |
2016-01-21 | AD19309 | ND |
2016-01-21 | AD19317 | ND |
2016-01-21 | AD19315 | ND |
2016-01-21 | AD19307 | ND |
2016-01-21 | AD19313 | ND |
2016-01-21 | AD19421 | ND |
2016-01-21 | AD19420 | ND |
2016-01-21 | AD19415 | ND |
2017-01-05 | AD63381 | ND |
2017-01-05 | AD63384 | ND |
2017-01-05 | AD63383 | ND |
2017-01-05 | AD63231 | ND |
2017-01-05 | AD63233 | ND |
2017-01-05 | AD63235 | ND |
2017-01-05 | AD63263 | ND |
2017-04-21 | AD80683 | ND |
2017-04-21 | AD80807 | ND |
2018-01-19 | AE09539 | ND |
2018-01-19 | AE09595 | ND |
2018-01-19 | AE09579 | ND |
2018-01-19 | AE09688 | ND |
2018-01-19 | AE09689 | ND |
2018-01-19 | AE09690 | ND |
2018-04-03 | AE21101 | ND |
2018-04-03 | AE21103 | ND |
2018-04-03 | AE21021 | ND |
2018-04-03 | AE21019 | ND |
2019-01-15 | AE49930 | ND |
2019-01-15 | AE49926 | ND |
2019-01-15 | AE49927 | ND |
2019-01-15 | AE49877 | ND |
2019-01-15 | AE49873 | ND |
2019-01-15 | AE49879 | ND |
2019-01-15 | AE49853 | ND |
2019-01-15 | AE49863 | ND |
2019-08-16 | AE79410 | ND |