Tetrahydrofuran
City of Castroville
Tetrahydrofuran is a solvent used for production of polyvinyl chloride (PVC) plastics and adhesives.
12
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 | ND | 2 | 0 | ND |
| 2019 | 8.50 ppb | 2 | 1 | ND - 17.0 ppb |
| 2020 | ND | 2 | 0 | ND |
| 2021 | 1,575.0 ppb | 2 | 1 | ND - 3,150.0 ppb |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-28 | AE20664 | ND |
| 2018-03-28 | AE20680 | ND |
| 2019-06-18 | AE71110 | ND |
| 2019-06-18 | AE71116 | 17.0 ppb |
| 2020-01-28 | AE95679 | ND |
| 2020-01-28 | AE95685 | ND |
| 2021-06-28 | AF59673 | ND |
| 2021-06-28 | AF59675 | 3,150.0 ppb |
| 2022-02-08 | AF83711 | ND |
| 2022-02-08 | AF83715 | ND |
| 2023-03-28 | AG34417 | ND |
| 2023-03-28 | AG34419 | ND |