1,1,1,2-Tetrachloroethane
City of Georgetown
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
19
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 |
|---|---|---|---|---|
| 2012 | ND | 3 | 0 | ND |
| 2013 | ND | 3 | 0 | ND |
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 1 ppb
The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2012-07-12 | AB95153 | ND |
| 2012-07-12 | AB95151 | ND |
| 2012-07-12 | AB95155 | ND |
| 2013-08-29 | Q1306583003 | ND |
| 2013-08-29 | Q1306583001 | ND |
| 2013-09-25 | Q1308517001 | ND |
| 2014-09-25 | AC68260 | ND |
| 2014-09-25 | AC68264 | ND |
| 2014-09-25 | AC68258 | ND |
| 2015-09-15 | AD07139 | ND |
| 2015-09-15 | AD07147 | ND |
| 2015-09-15 | AD07149 | ND |
| 2016-04-21 | AD33769 | ND |
| 2016-09-09 | AD48628 | ND |
| 2016-09-09 | AD48634 | ND |
| 2016-09-09 | AD48630 | ND |
| 2017-07-06 | AD88506 | ND |
| 2017-07-06 | AD88508 | ND |
| 2017-07-06 | AD88510 | ND |