Strontium
City of Norfolk
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.550 ppb | 4 | 4 | 0.430 ppb - 0.670 ppb |
2015 | 0.545 ppb | 4 | 4 | 0.400 ppb - 0.700 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 |
---|---|---|
2014-08-25 | 3091689 | 0.670 ppb |
2014-08-25 | 3091695 | 0.670 ppb |
2014-09-22 | 3108944 | 0.430 ppb |
2014-09-22 | 3108807 | 0.430 ppb |
2015-03-18 | 3209483 | 0.410 ppb |
2015-03-18 | 3209477 | 0.400 ppb |
2015-06-17 | 3264522 | 0.670 ppb |
2015-06-17 | 3264485 | 0.700 ppb |