Naphthalene
Montara Water and Sanitary District
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 | 17 | 0 | ND |
2015 | ND | 12 | 0 | ND |
2016 | ND | 15 | 0 | ND |
2017 | ND | 36 | 0 | ND |
2018 | ND | 17 | 0 | ND |
2019 | ND | 10 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-20 | 1233-030-1150 | ND |
2014-01-20 | 1233-031-1140 | ND |
2014-01-20 | 1233-032-1110 | ND |
2014-04-21 | 1233-030-1050 | ND |
2014-04-21 | 1233-031-1030 | ND |
2014-04-21 | 1233-032-1100 | ND |
2014-05-13 | 5810-003-1000 | ND |
2014-08-27 | 5810-001-1140 | ND |
2014-08-27 | 5810-008-0845 | ND |
2014-08-27 | 5810-011-0900 | ND |
2014-08-27 | 5810-012-1200 | ND |
2014-08-27 | 5810-014-1020 | ND |
2014-08-27 | 5810-015-1120 | ND |
2014-09-03 | 5810-010-1400 | ND |
2014-10-20 | 1233-030-1020 | ND |
2014-10-20 | 1233-031-1010 | ND |
2014-10-20 | 1233-032-1025 | ND |
2015-01-19 | 1233-030-1055 | ND |
2015-01-19 | 1233-031-1110 | ND |
2015-01-19 | 1233-032-1000 | ND |
2015-04-20 | 1233-031-1035 | ND |
2015-04-20 | 1233-032-1045 | ND |
2015-05-18 | 1233-030-1040 | ND |
2015-07-20 | 1233-030-1110 | ND |
2015-07-20 | 1233-031-1100 | ND |
2015-07-20 | 1233-032-1120 | ND |
2015-10-19 | 1233-030-0850 | ND |
2015-10-19 | 1233-031-1050 | ND |
2015-10-19 | 1233-032-1015 | ND |
2016-01-18 | 1233-030-1020 | ND |
2016-01-18 | 1233-031-1110 | ND |
2016-01-18 | 1233-032-1030 | ND |
2016-01-28 | 5810-011-0930 | ND |
2016-05-18 | 5810-030-1200 | ND |
2016-05-18 | 5810-031-1150 | ND |
2016-05-18 | 5810-032-1215 | ND |
2016-09-15 | 5810-030-1035 | ND |
2016-09-15 | 5810-031-1015 | ND |
2016-09-15 | 5810-032-1045 | ND |
2016-12-01 | 5810-031-1015 | ND |
2016-12-01 | 5810-032-1035 | ND |
2016-12-13 | 5810-030-1158 | ND |
2016-12-19 | 1233-809-1100 | ND |
2016-12-19 | 1233-811-1105 | ND |
2017-01-25 | 5810-030-0915 | ND |
2017-01-25 | 5810-031-0900 | ND |
2017-01-25 | 5810-032-0930 | ND |
2017-02-13 | 5810-809-1121 | ND |
2017-02-13 | 5810-811-1122 | ND |
2017-03-20 | 5810-809-1020 | ND |
2017-03-20 | 5810-811-1027 | ND |
2017-04-13 | 5810-003-1020 | ND |
2017-04-13 | 5810-030-1020 | ND |
2017-04-13 | 5810-031-1000 | ND |
2017-04-13 | 5810-032-1040 | ND |
2017-04-19 | 5810-809-1049 | ND |
2017-04-19 | 5810-811-1059 | ND |
2017-05-08 | 5810-809-1200 | ND |
2017-05-08 | 5810-811-1200 | ND |
2017-06-06 | 5810-809-1150 | ND |
2017-06-06 | 5810-811-1150 | ND |
2017-07-05 | 5810-809-1145 | ND |
2017-07-05 | 5810-811-1145 | ND |
2017-07-20 | 5810-003-1120 | ND |
2017-08-07 | 5810-001-0900 | ND |
2017-08-07 | 5810-008-1010 | ND |
2017-08-07 | 5810-010-0915 | ND |
2017-08-07 | 5810-012-1000 | ND |
2017-08-07 | 5810-014-0930 | ND |
2017-08-07 | 5810-015-0915 | ND |
2017-08-07 | 5810-809-1100 | ND |
2017-08-07 | 5810-811-1100 | ND |
2017-09-06 | 5810-030-1110 | ND |
2017-11-08 | 5810-001-1105 | ND |
2017-11-08 | 5810-014-0920 | ND |
2017-11-09 | 5810-030-1120 | ND |
2017-11-09 | 5810-031-1040 | ND |
2017-11-09 | 5810-032-1130 | ND |
2017-11-09 | 5810-809-1100 | ND |
2017-11-09 | 5810-811-1100 | ND |
2018-02-07 | 5810-030-1315 | ND |
2018-02-07 | 5810-031-1305 | ND |
2018-02-07 | 5810-032-1400 | ND |
2018-02-08 | 5810-014-0845 | ND |
2018-02-08 | 5810-809-0930 | ND |
2018-02-08 | 5810-811-0933 | ND |
2018-06-18 | 5810-809-1210 | ND |
2018-06-18 | 5810-811-1215 | ND |
2018-07-26 | 5810-030-1100 | ND |
2018-07-26 | 5810-031-1140 | ND |
2018-07-26 | 5810-032-1110 | ND |
2018-10-15 | 5810-809-0920 | ND |
2018-10-15 | 5810-811-0920 | ND |
2018-11-13 | 5810-015-0840 | ND |
2018-11-15 | 5810-030-0900 | ND |
2018-11-15 | 5810-031-0815 | ND |
2018-11-15 | 5810-032-0835 | ND |
2019-02-05 | 5810-809-1115 | ND |
2019-02-05 | 5810-811-1110 | ND |
2019-02-12 | 5810-015-0935 | ND |
2019-02-19 | 5810-030-0940 | ND |
2019-02-19 | 5810-031-0910 | ND |
2019-02-19 | 5810-032-1000 | ND |
2019-07-09 | 5810-809-1140 | ND |
2019-07-09 | 5810-811-1140 | ND |
2019-12-03 | 5810-809-0909 | ND |
2019-12-03 | 5810-811-0913 | ND |