Isobutane
Bourland Estates WSC
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 | N/A | 0 | 0 | N/A |
| 2020 | 3.00 ppb | 1 | 1 | 3.00 ppb |
| 2021 | 4.00 ppb | 1 | 1 | 4.00 ppb |
| 2022 | 3.20 ppb | 1 | 1 | 3.20 ppb |
| 2023 | 3.73 ppb | 1 | 1 | 3.73 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-08-03 | Q2030184001 | 3.00 ppb |
| 2021-06-03 | Q2114424001 | 4.00 ppb |
| 2022-11-17 | Q2234712002 | 3.20 ppb |
| 2023-12-07 | Q2352317002 | 3.73 ppb |