Isobutane
Hillcrest North MUD
Isobutane is a volatile hydrocarbon gas used as a refrigerant.
3
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 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | 12.2 ppb | 3 | 3 | 1.60 ppb - 30.0 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2023-06-19 | Q2323088002 | 1.60 ppb |
| 2023-09-19 | Q2340341002 | 30.0 ppb |
| 2023-12-01 | AG65097 | 5.00 ppb |