Asbestos
Los Angeles County WW District 4 & 34-Lancaster
Asbestos is a mineral fiber introduced into water by the dissolution of asbestos-containing minerals and from decay of asbestos cement in water mains. Asbestos causes cancer when ingested or inhaled.
14
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 5 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
MFL = million fibers per liter
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 7 MFL
The legal limit for asbestos, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.
MFL = million fibers per liter
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-12 | 5442-093-0956 | ND |
| 2015-11-17 | 5442-026-0817 | ND |
| 2015-11-17 | 5442-035-0850 | ND |
| 2015-11-17 | 5442-041-0757 | ND |
| 2015-11-19 | 5442-016-0836 | ND |
| 2015-11-19 | 5442-023-0856 | ND |
| 2016-02-09 | 5442-016-1028 | ND |
| 2016-03-09 | 5442-023-1041 | ND |
| 2016-04-20 | 5442-026-1016 | ND |
| 2016-04-20 | 5442-041-0934 | ND |
| 2016-06-27 | 5442-095-1050 | ND |
| 2017-11-21 | 2283-045-0935 | ND |
| 2017-11-21 | 2283-055-0940 | ND |
| 2017-11-21 | 2283-063-1010 | ND |