2-Methylbutane
Northwest Harris County Municipal Utility District 23
2-Methylbutane is a component of petroleum.
8
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | 10.9 ppb | 3 | 3 | 6.01 ppb - 17.9 ppb |
| 2016 | 4.50 ppb | 1 | 1 | 4.50 ppb |
| 2017 | 8.10 ppb | 1 | 1 | 8.10 ppb |
| 2018 | 3.30 ppb | 2 | 2 | 3.00 ppb - 3.60 ppb |
| 2019 | 8.00 ppb | 1 | 1 | 8.00 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-02-12 | AC80441 | 8.76 ppb |
| 2015-09-03 | AD05660 | 6.01 ppb |
| 2015-11-12 | AD13388 | 17.9 ppb |
| 2016-02-04 | AD22165 | 4.50 ppb |
| 2017-04-12 | AD79463 | 8.10 ppb |
| 2018-01-11 | AE08956 | 3.00 ppb |
| 2018-05-17 | AE26815 | 3.60 ppb |
| 2019-01-31 | AE52467 | 8.00 ppb |