Isobutane
Wright City Water Supply Corporation 1
Isobutane is a volatile hydrocarbon gas used as a refrigerant.
7
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 | 2.89 ppb | 1 | 1 | 2.89 ppb |
| 2020 | 4.50 ppb | 1 | 1 | 4.50 ppb |
| 2021 | 6.60 ppb | 1 | 1 | 6.60 ppb |
| 2022 | 7.80 ppb | 1 | 1 | 7.80 ppb |
| 2023 | 5.79 ppb | 3 | 3 | 3.80 ppb - 7.47 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-01-17 | Q1902561003 | 2.89 ppb |
| 2020-01-30 | Q2003965001 | 4.50 ppb |
| 2021-12-09 | Q2134774005 | 6.60 ppb |
| 2022-03-10 | Q2208339002 | 7.80 ppb |
| 2023-04-06 | Q2312897003 | 3.80 ppb |
| 2023-07-20 | Q2328741003 | 6.10 ppb |
| 2023-10-13 | Q2343885001 | 7.47 ppb |