Methyl isobutyl ketone
Chalk Hill Special Utility District
Methyl isobutyl ketone is a solvent used in coatings and adhesives.
20
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 | 0.553 ppb | 3 | 2 | ND - 0.860 ppb |
| 2019 | 3.34 ppb | 4 | 3 | ND - 11.0 ppb |
| 2020 | 1.05 ppb | 4 | 2 | ND - 2.81 ppb |
| 2021 | 0.447 ppb | 3 | 2 | ND - 0.760 ppb |
| 2022 | ND | 3 | 0 | ND |
| 2023 | 0.253 ppb | 3 | 1 | ND - 0.760 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-06-20 | Q1824487007 | ND |
| 2018-06-20 | Q1824487009 | 0.860 ppb |
| 2018-06-20 | Q1824487006 | 0.800 ppb |
| 2019-01-10 | Q1901411003 | 1.36 ppb |
| 2019-04-08 | Q1914000002 | ND |
| 2019-04-08 | Q1914000005 | 11.0 ppb |
| 2019-04-08 | Q1914000006 | 1.01 ppb |
| 2020-03-23 | Q2012183003 | 2.81 ppb |
| 2020-05-21 | Q2020369001 | 1.40 ppb |
| 2020-12-17 | Q2050083008 | ND |
| 2020-12-17 | Q2050083006 | ND |
| 2021-11-09 | Q2131359012 | 0.580 ppb |
| 2021-11-09 | Q2131359014 | ND |
| 2021-11-09 | Q2131359016 | 0.760 ppb |
| 2022-12-13 | Q2237298001 | ND |
| 2022-12-13 | Q2237298003 | ND |
| 2022-12-13 | Q2237298005 | ND |
| 2023-03-20 | Q2310465003 | 0.760 ppb |
| 2023-05-23 | Q2319409005 | ND |
| 2023-05-23 | Q2319409007 | ND |