Asbestos
City of Merced
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.
21
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 20 | 0 | ND |
| 2017 | ND | 1 | 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 |
|---|---|---|
| 2016-05-10 | 1620-057-1600 | ND |
| 2016-09-01 | 9590-020-1120 | ND |
| 2016-09-01 | 9590-054-0846 | ND |
| 2016-09-01 | 9590-049-0945 | ND |
| 2016-09-01 | 9590-048-0910 | ND |
| 2016-09-01 | 9590-043-1235 | ND |
| 2016-09-01 | 9590-041-1020 | ND |
| 2016-09-01 | 9590-023-1430 | ND |
| 2016-09-01 | 9590-022-1335 | ND |
| 2016-09-01 | 9590-021-1450 | ND |
| 2016-09-01 | 9590-001-1205 | ND |
| 2016-09-01 | 9590-019-1055 | ND |
| 2016-09-01 | 9590-016-1030 | ND |
| 2016-09-01 | 9590-015-0810 | ND |
| 2016-09-01 | 9590-011-0901 | ND |
| 2016-09-01 | 9590-005-1340 | ND |
| 2016-09-01 | 9590-004-1240 | ND |
| 2016-09-01 | 9590-003-1255 | ND |
| 2016-09-01 | 9590-002-1400 | ND |
| 2016-12-01 | 9590-042-0854 | ND |
| 2017-03-09 | 2283-008-0840 | ND |