Tetrahydrofuran
City of Hallsville
NOTE: City of Hallsville purchases water from City of Longview which is required to test for tetrahydrofuran. Sample information shown below was taken by City of Longview.
Tetrahydrofuran is a solvent used for production of polyvinyl chloride (PVC) plastics and adhesives.
18
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 | ND | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
NOTE: City of Hallsville purchases water from City of Longview which is required to test for tetrahydrofuran. Sample information shown below was taken by City of Longview.
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-01 | Q1433243014 | ND |
| 2014-08-01 | Q1433243011 | ND |
| 2014-08-01 | Q1433243009 | ND |
| 2015-09-18 | Q1536731004 | ND |
| 2015-09-18 | Q1536731006 | ND |
| 2015-09-18 | Q1536731002 | ND |
| 2016-09-02 | Q1635387001 | ND |
| 2016-09-02 | Q1635387006 | ND |
| 2016-09-02 | Q1635387004 | ND |
| 2017-08-18 | Q1737139010 | ND |
| 2017-08-18 | Q1737139007 | ND |
| 2017-08-18 | Q1737139002 | ND |
| 2018-08-21 | Q1833337013 | ND |
| 2018-08-21 | Q1833337003 | ND |
| 2018-08-21 | Q1833337012 | ND |
| 2019-08-08 | Q1952474001 | ND |
| 2019-08-08 | Q1952474005 | ND |
| 2019-08-08 | Q1952474003 | ND |