Germanium
City of San Bruno
Germanium is a naturally occuring element used as a component in semiconductors and fiber optics. Excessive exposures to germanium may harm the kidneys.
12
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 | ND | 12 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-12 | 201802130260 | ND |
| 2018-02-12 | 201802130342 | ND |
| 2018-02-12 | 201802130335 | ND |
| 2018-03-13 | 201803141168 | ND |
| 2018-03-13 | 201803141167 | ND |
| 2018-05-07 | 201805080611 | ND |
| 2018-08-08 | 201808091026 | ND |
| 2018-08-09 | 201808100341 | ND |
| 2018-09-10 | 201809110171 | ND |
| 2018-09-10 | 201809110194 | ND |
| 2018-11-05 | 201811060365 | ND |
| 2018-12-06 | 201812070137 | ND |