Germanium
City of Petaluma
Germanium is a naturally occuring element used as a component in semiconductors and fiber optics. Excessive exposures to germanium may harm the kidneys.
14
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 0.0321 ppb | 14 | 1 | ND - 0.450 ppb |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-05-09 | A8D2019-01 | ND |
| 2018-05-09 | A8D2019-02 | ND |
| 2018-05-09 | A8D2019-03 | 0.450 ppb |
| 2018-05-09 | A8D2019-04 | ND |
| 2018-05-09 | A8D2019-05 | ND |
| 2018-05-09 | A8D2019-06 | ND |
| 2018-05-09 | A8D2019-07 | ND |
| 2018-11-14 | A8J0750-01 | ND |
| 2018-11-14 | A8J0750-02 | ND |
| 2018-11-14 | A8J0750-03 | ND |
| 2018-11-14 | A8J0750-04 | ND |
| 2018-11-14 | A8J0750-05 | ND |
| 2018-11-14 | A8J0750-06 | ND |
| 2018-11-14 | A8J0750-07 | ND |