1,2,4-Trichlorobenzene
Muhlenberg Twp Municipal Authority
1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 14 | 0 | ND |
| 2015 | ND | 12 | 0 | ND |
| 2016 | ND | 12 | 0 | ND |
| 2017 | ND | 14 | 0 | ND |
| 2018 | ND | 12 | 0 | ND |
| 2019 | ND | 12 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 5 ppb
The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against hormone disruption.
EPA Maximum Contaminant
Level (MCL) 70 ppb
The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-21 | 140011795 | ND |
| 2014-03-21 | 140011794 | ND |
| 2014-03-21 | 140011791 | ND |
| 2014-03-21 | 140011793 | ND |
| 2014-03-21 | 140011790 | ND |
| 2014-03-21 | 140011792 | ND |
| 2014-03-21 | 140011797 | ND |
| 2014-03-21 | 140011796 | ND |
| 2014-06-09 | 140023933 | ND |
| 2014-06-09 | 140023932 | ND |
| 2014-09-12 | 140041247 | ND |
| 2014-09-12 | 140041246 | ND |
| 2014-10-31 | 140049500 | ND |
| 2014-12-04 | 140054602 | ND |
| 2015-03-11 | 12542204 | ND |
| 2015-03-11 | 12542183 | ND |
| 2015-03-11 | 12542162 | ND |
| 2015-06-16 | 12914412 | ND |
| 2015-06-16 | 12914452 | ND |
| 2015-06-16 | 12914445 | ND |
| 2015-06-16 | 12914387 | ND |
| 2015-09-10 | 13293895 | ND |
| 2015-09-10 | 13293874 | ND |
| 2015-09-14 | 13293921 | ND |
| 2015-12-18 | 13662176 | ND |
| 2015-12-18 | 13662152 | ND |
| 2016-03-10 | 14013243 | ND |
| 2016-03-10 | 14013222 | ND |
| 2016-03-10 | 14013198 | ND |
| 2016-06-23 | 14444637 | ND |
| 2016-06-23 | 14444664 | ND |
| 2016-06-23 | 14444661 | ND |
| 2016-06-23 | 14444610 | ND |
| 2016-09-21 | 14948129 | ND |
| 2016-09-21 | 14948112 | ND |
| 2016-09-21 | 14948154 | ND |
| 2016-12-14 | 15405912 | ND |
| 2016-12-14 | 15405913 | ND |
| 2017-03-03 | 15827563 | ND |
| 2017-03-03 | 15827566 | ND |
| 2017-03-03 | 15827565 | ND |
| 2017-03-03 | 15827564 | ND |
| 2017-03-03 | 15827567 | ND |
| 2017-06-13 | 16293954 | ND |
| 2017-06-13 | 16293952 | ND |
| 2017-06-13 | 16293953 | ND |
| 2017-06-13 | 16293955 | ND |
| 2017-09-13 | 16761635 | ND |
| 2017-09-13 | 16761633 | ND |
| 2017-09-13 | 16761634 | ND |
| 2017-12-15 | 17194232 | ND |
| 2017-12-15 | 17194211 | ND |
| 2018-03-22 | 8005761-01 | ND |
| 2018-03-22 | 8006639-02 | ND |
| 2018-03-22 | 8006639-01 | ND |
| 2018-06-13 | 8006642-02 | ND |
| 2018-06-13 | 8006643-02 | ND |
| 2018-06-13 | 8006643-01 | ND |
| 2018-06-13 | 8006642-01 | ND |
| 2018-09-12 | 8018437-01 | ND |
| 2018-09-12 | 8025733-01 | ND |
| 2018-09-12 | 8018437-02RE | ND |
| 2018-12-13 | 8029244-01 | ND |
| 2018-12-13 | 8029244-02 | ND |
| 2019-03-12 | 9000195-01 | ND |
| 2019-03-12 | 9001171-01 | ND |
| 2019-03-12 | 9000195-02 | ND |
| 2019-06-12 | 9009799-02 | ND |
| 2019-06-12 | 9009799-01 | ND |
| 2019-06-12 | 9009837-02 | ND |
| 2019-06-12 | 9009837-01 | ND |
| 2019-09-24 | 9025461-02 | ND |
| 2019-09-24 | 9025684-01 | ND |
| 2019-09-24 | 9025461-01 | ND |
| 2019-12-11 | 9034955-02 | ND |
| 2019-12-11 | 9034955-01 | ND |