Strontium
Town of Smithfield
Strontium is a metal that accumulates in the bones. Radioactive strontium-90 can cause bone cancer and leukemia, and any form of strontium at high doses can harm bone health.
8
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 | 0.0542 ppb | 2 | 2 | 0.0528 ppb - 0.0556 ppb |
| 2015 | 0.0617 ppb | 6 | 6 | 0.0517 ppb - 0.0758 ppb |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 1,500 ppb
The EWG Health Guideline of 1,500 ppb for strontium was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against harm to bones.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-12-08 | 35167033001AM | 0.0528 ppb |
| 2014-12-08 | 35167033003AM | 0.0556 ppb |
| 2015-03-16 | 35179735003AM | 0.0540 ppb |
| 2015-03-16 | 35179735001AM | 0.0517 ppb |
| 2015-06-22 | 35194208001AM | 0.0584 ppb |
| 2015-06-22 | 35194208003AM | 0.0758 ppb |
| 2015-09-22 | 35208588003AM | 0.0664 ppb |
| 2015-09-22 | 35208588001AM | 0.0636 ppb |