Strontium
City of Tucson
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 | 0.875 ppb | 60 | 60 | 0.180 ppb - 1.70 ppb |
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 | 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 |
---|---|---|
2013-04-10 | 201304110659AM | 0.900 ppb |
2013-04-10 | 201304110657AM | 0.980 ppb |
2013-04-15 | 201304160056AM | 0.320 ppb |
2013-04-15 | 201304160054AM | 1.20 ppb |
2013-04-15 | 201304160050AM | 0.600 ppb |
2013-04-15 | 201304160052AM | 0.330 ppb |
2013-04-17 | 201304190462AM | 0.410 ppb |
2013-04-17 | 201304190460AM | 0.220 ppb |
2013-04-17 | 201304190458AM | 0.390 ppb |
2013-04-22 | 201304240203AM | 1.60 ppb |
2013-04-22 | 201304240199AM | 1.20 ppb |
2013-04-22 | 201304240201AM | 1.60 ppb |
2013-04-22 | 201304240197AM | 1.20 ppb |
2013-04-23 | 201304250529AM | 0.890 ppb |
2013-04-23 | 201304250527AM | 0.790 ppb |
2013-04-23 | 201304250525AM | 1.40 ppb |
2013-04-23 | 201304250523AM | 1.70 ppb |
2013-04-24 | 201304260166AM | 1.40 ppb |
2013-04-24 | 201304260162AM | 1.70 ppb |
2013-04-24 | 201304260164AM | 0.930 ppb |
2013-04-29 | 201305010206AM | 0.960 ppb |
2013-04-29 | 201305010177AM | 0.810 ppb |
2013-04-29 | 201305010447AM | 0.280 ppb |
2013-04-29 | 201305010451AM | 1.60 ppb |
2013-04-29 | 201305020190AM | 0.560 ppb |
2013-04-29 | 201305010449AM | 0.330 ppb |
2013-06-19 | 201306210144AM | 0.680 ppb |
2013-06-19 | 201306210152AM | 0.870 ppb |
2013-06-19 | 201306210146AM | 0.890 ppb |
2013-06-19 | 201306210148AM | 0.640 ppb |
2013-10-08 | 201310110331AM | 1.60 ppb |
2013-10-08 | 201310120150AM | 1.30 ppb |
2013-10-08 | 201310110335AM | 1.40 ppb |
2013-10-08 | 201310110333AM | 1.70 ppb |
2013-10-08 | 201310110337AM | 0.990 ppb |
2013-10-08 | 201310120152AM | 1.40 ppb |
2013-10-09 | 201310120156AM | 1.20 ppb |
2013-10-09 | 201310120160AM | 0.690 ppb |
2013-10-09 | 201310120154AM | 0.950 ppb |
2013-10-09 | 201310120158AM | 1.40 ppb |
2013-10-09 | 201310120162AM | 0.570 ppb |
2013-10-14 | 201310150058AM | 0.360 ppb |
2013-10-14 | 201310150056AM | 1.10 ppb |
2013-10-14 | 201310150052AM | 0.670 ppb |
2013-10-14 | 201310150054AM | 0.300 ppb |
2013-10-16 | 201310170122AM | 1.000 ppb |
2013-10-16 | 201310170124AM | 0.860 ppb |
2013-10-16 | 201310170118AM | 0.520 ppb |
2013-10-16 | 201310170126AM | 0.660 ppb |
2013-10-16 | 201310170120AM | 0.300 ppb |
2013-10-17 | 201310180353AM | 0.280 ppb |
2013-10-17 | 201310180359AM | 0.240 ppb |
2013-10-17 | 201310180357AM | 0.180 ppb |
2013-10-17 | 201310180355AM | 0.280 ppb |
2013-10-29 | 201310300080AM | 0.610 ppb |
2013-10-29 | 201310300074AM | 0.890 ppb |
2013-10-29 | 201310300078AM | 0.980 ppb |
2013-10-29 | 201310300076AM | 0.980 ppb |
2013-10-29 | 201310300082AM | 1.000 ppb |
2013-11-20 | 201311220543AM | 0.690 ppb |