Isobutane
City of Refugio
Isobutane is a volatile hydrocarbon gas used as a refrigerant.
4
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 | 9.00 ppb | 1 | 1 | 9.00 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | 3.00 ppb | 2 | 2 | 3.00 ppb |
| 2023 | 3.00 ppb | 1 | 1 | 3.00 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-08-15 | AE78928 | 9.00 ppb |
| 2022-04-29 | AF95106 | 3.00 ppb |
| 2022-04-29 | AF95108 | 3.00 ppb |
| 2023-02-16 | AG29333 | 3.00 ppb |