Strontium
South Island PSD
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 |
---|---|---|---|---|
2013 | 0.707 ppb | 5 | 5 | 0.0340 ppb - 1.20 ppb |
2014 | 0.592 ppb | 5 | 5 | 0.0320 ppb - 0.860 ppb |
2015 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2013-11-18 | 201311200321AM | 1.000 ppb |
2013-11-18 | 201311200363AM | 0.720 ppb |
2013-11-18 | 201311200388AM | 1.20 ppb |
2013-11-18 | 201311200541AM | 0.0340 ppb |
2013-11-18 | 201311200538AM | 0.580 ppb |
2014-05-19 | 201405210515AM | 0.630 ppb |
2014-05-19 | 201405210513AM | 0.800 ppb |
2014-05-19 | 201405210574AM | 0.860 ppb |
2014-05-19 | 201405210804AM | 0.0320 ppb |
2014-05-19 | 201405210517AM | 0.640 ppb |