Chrysene
City of Houston
Chrysene is a polycyclic aromatic hydrocarbon, or PAH, released from combustion of fossil fuels and waste incinerators. 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 | 14 | 0 | ND |
2015 | ND | 36 | 0 | ND |
2016 | ND | 26 | 0 | ND |
2017 | ND | 26 | 0 | ND |
2018 | ND | 39 | 0 | ND |
2019 | ND | 22 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-02-03 | AC41128 | ND |
2014-03-14 | AC47183 | ND |
2014-03-14 | AC47184 | ND |
2014-03-14 | AC47185 | ND |
2014-04-16 | AC50928 | ND |
2014-04-16 | AC50929 | ND |
2014-04-17 | AC51177 | ND |
2014-06-03 | AC55831 | ND |
2014-06-03 | AC55826 | ND |
2014-07-15 | AC59733 | ND |
2014-07-15 | AC59729 | ND |
2014-10-08 | AC69250 | ND |
2014-12-18 | AC75488 | ND |
2014-12-18 | AC75489 | ND |
2015-03-04 | AC83061 | ND |
2015-03-04 | AC83059 | ND |
2015-03-05 | AC83064 | ND |
2015-03-05 | AC83065 | ND |
2015-03-24 | AC85944 | ND |
2015-06-04 | AC94707 | ND |
2015-06-04 | AC94705 | ND |
2015-06-04 | AC94710 | ND |
2015-06-04 | AC94709 | ND |
2015-06-04 | AC94706 | ND |
2015-06-04 | AC94708 | ND |
2015-07-22 | AD00679 | ND |
2015-07-22 | AD00678 | ND |
2015-09-17 | AD07649 | ND |
2015-09-17 | AD07648 | ND |
2015-10-22 | AD11601 | ND |
2015-10-22 | AD11600 | ND |
2015-10-22 | AD11602 | ND |
2015-10-22 | AD11596 | ND |
2015-10-22 | AD11599 | ND |
2015-10-22 | AD11598 | ND |
2015-10-22 | AD11597 | ND |
2015-11-12 | AD13457 | ND |
2015-11-12 | AD13444 | ND |
2015-11-12 | AD13456 | ND |
2015-11-12 | AD13453 | ND |
2015-11-12 | AD13443 | ND |
2015-11-12 | AD13452 | ND |
2015-11-12 | AD13455 | ND |
2015-11-12 | AD13454 | ND |
2015-11-16 | AD13699 | ND |
2015-11-16 | AD13701 | ND |
2015-11-16 | AD13700 | ND |
2015-11-17 | AD13907 | ND |
2015-12-08 | AD16048 | ND |
2015-12-08 | AD16049 | ND |
2016-03-03 | AD27014 | ND |
2016-03-16 | AD29223 | ND |
2016-03-16 | AD29222 | ND |
2016-03-17 | AD29432 | ND |
2016-03-17 | AD29430 | ND |
2016-03-17 | AD29435 | ND |
2016-03-17 | AD29433 | ND |
2016-03-23 | AD30249 | ND |
2016-03-23 | AD30250 | ND |
2016-03-23 | AD30248 | ND |
2016-03-23 | AD30251 | ND |
2016-06-08 | AD39863 | ND |
2016-06-08 | AD39861 | ND |
2016-06-08 | AD39862 | ND |
2016-06-08 | AD39860 | ND |
2016-06-15 | AD40829 | ND |
2016-06-16 | AD41041 | ND |
2016-06-16 | AD41042 | ND |
2016-09-20 | AD50459 | ND |
2016-09-20 | AD50460 | ND |
2016-09-21 | AD50889 | ND |
2016-09-21 | AD50890 | ND |
2016-10-06 | AD52704 | ND |
2016-10-06 | AD52706 | ND |
2016-10-06 | AD52705 | ND |
2016-12-02 | AD60483 | ND |
2017-01-26 | AD67327 | ND |
2017-01-26 | AD67326 | ND |
2017-02-28 | AD72614 | ND |
2017-02-28 | AD72615 | ND |
2017-03-01 | AD72883 | ND |
2017-03-01 | AD72882 | ND |
2017-03-02 | AD73283 | ND |
2017-03-02 | AD73284 | ND |
2017-03-28 | AD77273 | ND |
2017-03-28 | AD77274 | ND |
2017-04-27 | AD81596 | ND |
2017-04-27 | AD81598 | ND |
2017-04-27 | AD81597 | ND |
2017-07-06 | AD88548 | ND |
2017-07-06 | AD88549 | ND |
2017-07-25 | AD90675 | ND |
2017-07-26 | AD90935 | ND |
2017-07-26 | AD90934 | ND |
2017-09-11 | AD95633 | ND |
2017-09-11 | AD95634 | ND |
2017-09-26 | AD98128 | ND |
2017-09-26 | AD98129 | ND |
2017-09-26 | AD98130 | ND |
2017-11-07 | AE03932 | ND |
2017-11-07 | AE03938 | ND |
2017-12-04 | AE06640 | ND |
2018-01-18 | AE09332 | ND |
2018-01-18 | AE09333 | ND |
2018-01-18 | AE09334 | ND |
2018-01-18 | AE09335 | ND |
2018-01-23 | AE09967 | ND |
2018-01-23 | AE09969 | ND |
2018-01-23 | AE09968 | ND |
2018-01-23 | AE09966 | ND |
2018-01-23 | AE09970 | ND |
2018-01-31 | AE11685 | ND |
2018-03-29 | AE20736 | ND |
2018-03-29 | AE20734 | ND |
2018-03-29 | AE20732 | ND |
2018-03-29 | AE20738 | ND |
2018-03-29 | AE20737 | ND |
2018-03-29 | AE20735 | ND |
2018-03-29 | AE20733 | ND |
2018-04-26 | AE24261 | ND |
2018-04-26 | AE24267 | ND |
2018-04-26 | AE24263 | ND |
2018-04-26 | AE24266 | ND |
2018-04-26 | AE24262 | ND |
2018-04-26 | AE24264 | ND |
2018-04-26 | AE24265 | ND |
2018-05-22 | AE27325 | ND |
2018-05-22 | AE27326 | ND |
2018-05-22 | AE27324 | ND |
2018-05-22 | AE27323 | ND |
2018-07-19 | AE33997 | ND |
2018-07-19 | AE33999 | ND |
2018-07-19 | AE33998 | ND |
2018-08-03 | AE35922 | ND |
2018-08-15 | AE37252 | ND |
2018-08-15 | AE37253 | ND |
2018-08-15 | AE37251 | ND |
2018-08-29 | AE38821 | ND |
2018-09-26 | AE41819 | ND |
2018-09-26 | AE41818 | ND |
2018-11-14 | AE46119 | ND |
2019-01-15 | AE50269 | ND |
2019-01-15 | AE50268 | ND |
2019-01-16 | AE50275 | ND |
2019-01-16 | AE50270 | ND |
2019-03-06 | AE57464 | ND |
2019-03-06 | AE57462 | ND |
2019-03-06 | AE57458 | ND |
2019-03-06 | AE57463 | ND |
2019-03-06 | AE57465 | ND |
2019-04-11 | AE62164 | ND |
2019-07-24 | AE76049 | ND |
2019-07-25 | AE76051 | ND |
2019-07-25 | AE76050 | ND |
2019-09-23 | AE84284 | ND |
2019-09-23 | AE84283 | ND |
2019-10-10 | AE86371 | ND |
2019-11-18 | AE89651 | ND |
2019-11-18 | AE89653 | ND |
2019-11-18 | AE89652 | ND |
2019-11-22 | AE90470 | ND |
2019-11-22 | AE90471 | ND |
2019-12-02 | AE90861 | ND |