Naphthalene
Monrovia Water Department
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 |
---|---|---|---|---|
2014 | ND | 5 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 5 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 7 | 0 | ND |
2019 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-07-07 | 9588-008-0925 | ND |
2014-07-07 | 9588-005-0930 | ND |
2014-07-07 | 9588-004-0940 | ND |
2014-07-07 | 9588-003-0900 | ND |
2014-07-07 | 9588-002-0910 | ND |
2015-07-15 | 9588-005-0910 | ND |
2015-07-15 | 9588-008-0945 | ND |
2015-07-15 | 9588-002-0955 | ND |
2015-07-15 | 9588-004-0920 | ND |
2015-07-15 | 9588-003-0930 | ND |
2016-07-13 | 9588-002-0920 | ND |
2016-07-13 | 9588-008-0905 | ND |
2016-07-13 | 9588-005-0930 | ND |
2016-07-13 | 9588-003-0910 | ND |
2016-12-19 | 9588-004-0905 | ND |
2017-08-07 | 9588-005-0940 | ND |
2017-08-07 | 9588-008-1000 | ND |
2017-08-07 | 9588-002-0950 | ND |
2017-08-07 | 9588-003-0905 | ND |
2017-10-17 | 9588-004-0920 | ND |
2018-04-10 | 9588-008-0920 | ND |
2018-04-10 | 9588-002-0850 | ND |
2018-07-12 | 9588-005-0925 | ND |
2018-07-12 | 9588-003-0915 | ND |
2018-07-12 | 9588-008-0905 | ND |
2018-07-12 | 9588-002-0950 | ND |
2018-10-03 | 9588-004-0945 | ND |
2019-07-16 | 9588-005-1035 | ND |
2019-07-16 | 9588-002-1055 | ND |
2019-07-16 | 9588-008-1115 | ND |
2019-07-16 | 9588-003-1105 | ND |
2019-10-21 | 9588-004-0825 | ND |