1,1,1,2-Tetrachloroethane
Green Valley County Water District
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
48
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 | 8 | 0 | ND |
2015 | ND | 8 | 0 | ND |
2016 | ND | 8 | 0 | ND |
2017 | ND | 8 | 0 | ND |
2018 | ND | 8 | 0 | ND |
2019 | ND | 8 | 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 |
---|---|---|
2014-03-12 | 5867-010-1050 | ND |
2014-03-12 | 5867-009-1120 | ND |
2014-03-12 | 5867-008-1035 | ND |
2014-03-12 | 5867-007-1150 | ND |
2014-03-12 | 5867-006-1135 | ND |
2014-03-12 | 5867-005-1005 | ND |
2014-03-12 | 5867-004-1020 | ND |
2014-03-12 | 5867-003-1105 | ND |
2015-03-19 | 5867-005-1015 | ND |
2015-03-19 | 5867-007-1125 | ND |
2015-03-19 | 5867-008-1033 | ND |
2015-03-19 | 5867-009-1105 | ND |
2015-03-19 | 5867-006-1115 | ND |
2015-03-19 | 5867-010-1040 | ND |
2015-03-19 | 5867-004-1022 | ND |
2015-03-19 | 5867-003-1050 | ND |
2016-03-15 | 5867-009-1030 | ND |
2016-03-15 | 5867-010-1005 | ND |
2016-03-15 | 5867-003-1015 | ND |
2016-03-15 | 5867-008-1000 | ND |
2016-03-15 | 5867-007-1040 | ND |
2016-03-15 | 5867-004-0955 | ND |
2016-03-15 | 5867-005-0950 | ND |
2016-03-15 | 5867-006-1035 | ND |
2017-03-15 | 5867-007-1150 | ND |
2017-03-15 | 5867-003-1105 | ND |
2017-03-15 | 5867-004-1035 | ND |
2017-03-15 | 5867-010-1055 | ND |
2017-03-15 | 5867-005-1020 | ND |
2017-03-15 | 5867-009-1125 | ND |
2017-03-15 | 5867-008-1045 | ND |
2017-03-15 | 5867-006-1135 | ND |
2018-03-14 | 5867-008-0955 | ND |
2018-03-14 | 5867-009-1030 | ND |
2018-03-14 | 5867-003-1019 | ND |
2018-03-14 | 5867-005-0932 | ND |
2018-03-14 | 5867-010-1006 | ND |
2018-03-14 | 5867-006-1041 | ND |
2018-03-14 | 5867-007-1054 | ND |
2018-03-14 | 5867-004-0943 | ND |
2019-03-13 | 5867-010-1023 | ND |
2019-03-13 | 5867-006-1036 | ND |
2019-03-13 | 5867-003-1112 | ND |
2019-03-13 | 5867-007-1100 | ND |
2019-03-13 | 5867-004-1127 | ND |
2019-03-13 | 5867-008-1010 | ND |
2019-03-13 | 5867-005-0957 | ND |
2019-04-24 | 5867-009-1200 | ND |