Octadecanoic acid
Rolling Creek Utility District
Octadecanoic acid, also called stearic acid, is a naturally occurring fatty acid found in animal and plant lipids.
9
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 | 2.80 ppb | 2 | 2 | 2.50 ppb - 3.10 ppb |
| 2019 | 5.30 ppb | 2 | 2 | 3.20 ppb - 7.40 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 10.6 ppb | 2 | 2 | 5.10 ppb - 16.0 ppb |
| 2022 | 52.3 ppb | 2 | 2 | 2.60 ppb - 102.0 ppb |
| 2023 | 35.0 ppb | 1 | 1 | 35.0 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-12 | AE18017 | 3.10 ppb |
| 2018-03-12 | AE18019 | 2.50 ppb |
| 2019-05-14 | AE66312 | 7.40 ppb |
| 2019-05-14 | AE66316 | 3.20 ppb |
| 2021-06-17 | AF58703 | 16.0 ppb |
| 2021-06-17 | AF58706 | 5.10 ppb |
| 2022-03-24 | AF90601 | 2.60 ppb |
| 2022-05-04 | AF95588 | 102.0 ppb |
| 2023-01-23 | AG25864 | 35.0 ppb |