Silver
Quantico Marine Base-Mainside
Silver occurs naturally in surface and groundwater and can be added to water as a biocide that inhibits growth of bacteria and algae. Increasingly, the use of antimicrobial nano-sized silver particles in consumer products contributes to silver in water sources used for drinking water.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | 37.0 ppb | 1 | 1 | 37.0 ppb |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-07-21 | 1407271-001 | ND |
2016-09-21 | 1609259-001A | ND |
2017-09-26 | 1709378-001A | 37.0 ppb |
2018-07-10 | 1807099-001A | ND |