Pyrene
Santa Clara Valley Water District
Pyrene is a polycyclic aromatic hydrocarbon, or PAH, released from combustion of fossil fuels and waste incinerators. PAHs increase the risk of cancer; damage the immune, nervous and reproductive systems; and can harm developing fetuses.
11
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 |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 11 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2021-11-08 | CA4310027_025_025-202111081055 | ND |
| 2021-11-09 | CA4310027_006_006-202111091150 | ND |
| 2021-11-09 | CA4310027_005_005-202111091040 | ND |
| 2021-11-09 | CA4310027_007_007-202111090950 | ND |
| 2021-11-09 | CA4310027_022_022-202111091036 | ND |
| 2021-11-09 | CA4310027_023_023-202111091006 | ND |
| 2021-11-09 | CA4310027_001_001-202111091030 | ND |
| 2021-11-09 | CA4310027_011_011-202111090820 | ND |
| 2021-11-09 | CA4310027_024_024-202111091106 | ND |
| 2021-12-14 | CA4310027_009_009-202112140941 | ND |
| 2021-12-16 | CA4310027_004_004-202112161158 | ND |