Octadecanoic acid
City of Port Arthur
Octadecanoic acid, also called stearic acid, is a naturally occurring fatty acid found in animal and plant lipids.
4
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 | 3.80 ppb | 1 | 1 | 3.80 ppb |
| 2016 | 4.30 ppb | 1 | 1 | 4.30 ppb |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | 4.45 ppb | 2 | 2 | 2.80 ppb - 6.10 ppb |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-07-23 | AD00852 | 3.80 ppb |
| 2016-02-23 | AD25174 | 4.30 ppb |
| 2019-04-29 | AE63977 | 2.80 ppb |
| 2019-10-08 | AE86018 | 6.10 ppb |