Naphthalene
City of Rosenberg
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.
39
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 12 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 11 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-01-21 | AC39520 | ND |
| 2015-03-25 | AC86129 | ND |
| 2015-03-25 | AC86131 | ND |
| 2015-03-25 | AC86132 | ND |
| 2015-03-25 | AC86130 | ND |
| 2015-03-25 | AC86068 | ND |
| 2015-03-25 | AC86064 | ND |
| 2015-03-25 | AC86066 | ND |
| 2015-03-25 | AC86058 | ND |
| 2015-05-05 | AC90607 | ND |
| 2015-05-05 | AC90568 | ND |
| 2015-09-11 | AD06989 | ND |
| 2015-11-02 | AD12251 | ND |
| 2016-01-26 | AD20187 | ND |
| 2016-01-26 | AD20142 | ND |
| 2016-01-26 | AD20114 | ND |
| 2016-01-26 | AD20110 | ND |
| 2016-01-26 | AD20136 | ND |
| 2017-03-14 | AD74885 | ND |
| 2017-03-14 | AD75028 | ND |
| 2017-03-14 | AD74917 | ND |
| 2017-03-14 | AD74943 | ND |
| 2017-05-31 | AD86151 | ND |
| 2017-05-31 | AD86153 | ND |
| 2018-03-05 | AE16765 | ND |
| 2018-03-05 | AE16660 | ND |
| 2018-03-05 | AE16654 | ND |
| 2018-03-05 | AE16648 | ND |
| 2018-03-05 | AE16646 | ND |
| 2018-03-05 | AE16768 | ND |
| 2018-03-05 | AE16769 | ND |
| 2018-03-05 | AE16773 | ND |
| 2018-03-05 | AE16770 | ND |
| 2018-05-21 | AE27089 | ND |
| 2018-05-21 | AE27018 | ND |
| 2019-04-02 | AE60873 | ND |
| 2019-04-02 | AE60914 | ND |
| 2019-04-02 | AE60883 | ND |
| 2019-04-02 | AE60877 | ND |