1,1,1,2-Tetrachloroethane
City of Gilroy
1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 33 | 0 | ND |
2015 | ND | 48 | 0 | ND |
2016 | ND | 31 | 0 | ND |
2017 | ND | 30 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-01-15 | 5810-001-0925 | ND |
2014-01-15 | 5810-002-0947 | ND |
2014-01-15 | 5810-007-0835 | ND |
2014-02-12 | 5810-001-0822 | ND |
2014-02-12 | 5810-002-0853 | ND |
2014-03-20 | 5810-001-0813 | ND |
2014-03-20 | 5810-002-0800 | ND |
2014-04-23 | 5810-001-0900 | ND |
2014-04-23 | 5810-002-0749 | ND |
2014-04-23 | 5810-004-0945 | ND |
2014-04-23 | 5810-006-1058 | ND |
2014-04-23 | 5810-007-1039 | ND |
2014-04-23 | 5810-008-0819 | ND |
2014-04-23 | 5810-010-0913 | ND |
2014-04-23 | 5810-011-0847 | ND |
2014-05-21 | 5810-001-0750 | ND |
2014-05-21 | 5810-002-0800 | ND |
2014-06-12 | 5810-001-0747 | ND |
2014-06-12 | 5810-002-0756 | ND |
2014-07-17 | 5810-001-0946 | ND |
2014-07-17 | 5810-002-0802 | ND |
2014-07-17 | 5810-007-1011 | ND |
2014-08-28 | 5810-001-1121 | ND |
2014-08-28 | 5810-002-1130 | ND |
2014-09-17 | 5810-001-0801 | ND |
2014-09-17 | 5810-002-0822 | ND |
2014-10-15 | 5810-001-0759 | ND |
2014-10-15 | 5810-002-1050 | ND |
2014-10-15 | 5810-007-0836 | ND |
2014-11-19 | 5810-002-0748 | ND |
2014-11-24 | 5810-001-1040 | ND |
2014-12-22 | 5810-001-0930 | ND |
2014-12-22 | 5810-002-1000 | ND |
2015-01-21 | 5810-001-0822 | ND |
2015-01-21 | 5810-002-0845 | ND |
2015-01-21 | 5810-007-0925 | ND |
2015-02-11 | 5810-001-0815 | ND |
2015-02-11 | 5810-002-0755 | ND |
2015-03-10 | 5810-001-0740 | ND |
2015-03-10 | 5810-002-0751 | ND |
2015-04-22 | 5810-001-0915 | ND |
2015-04-22 | 5810-002-0944 | ND |
2015-04-22 | 5810-004-1305 | ND |
2015-04-22 | 5810-006-0845 | ND |
2015-04-22 | 5810-007-1142 | ND |
2015-04-22 | 5810-008-1215 | ND |
2015-04-22 | 5810-009-1239 | ND |
2015-04-22 | 5810-010-1110 | ND |
2015-04-22 | 5810-011-1040 | ND |
2015-05-20 | 5810-006-0945 | ND |
2015-05-20 | 5810-007-1300 | ND |
2015-05-20 | 5810-008-1025 | ND |
2015-05-20 | 5810-009-1100 | ND |
2015-05-20 | 5810-010-0810 | ND |
2015-05-21 | 5810-001-0800 | ND |
2015-05-21 | 5810-002-1010 | ND |
2015-05-21 | 5810-004-1250 | ND |
2015-05-21 | 5810-011-0955 | ND |
2015-06-22 | 5810-001-0800 | ND |
2015-06-22 | 5810-002-0820 | ND |
2015-07-20 | 5810-001-0812 | ND |
2015-07-20 | 5810-002-0830 | ND |
2015-07-20 | 5810-007-1022 | ND |
2015-08-19 | 5810-001-0802 | ND |
2015-08-19 | 5810-001-1225 | ND |
2015-08-19 | 5810-002-0817 | ND |
2015-08-19 | 5810-002-1250 | ND |
2015-08-19 | 5810-004-1320 | ND |
2015-08-19 | 5810-006-0948 | ND |
2015-08-19 | 5810-007-1120 | ND |
2015-08-19 | 5810-008-1019 | ND |
2015-08-19 | 5810-009-1044 | ND |
2015-08-19 | 5810-010-1203 | ND |
2015-08-20 | 5810-011-0845 | ND |
2015-09-29 | 5810-001-0852 | ND |
2015-09-29 | 5810-002-0840 | ND |
2015-10-14 | 5810-001-1040 | ND |
2015-11-18 | 5810-001-0840 | ND |
2015-11-18 | 5810-002-0925 | ND |
2015-12-14 | 5810-001-0840 | ND |
2015-12-14 | 5810-002-0821 | ND |
2016-01-20 | 5810-001-0940 | ND |
2016-01-20 | 5810-002-0832 | ND |
2016-02-10 | 5810-001-0830 | ND |
2016-02-10 | 5810-002-0820 | ND |
2016-03-16 | 5810-001-1030 | ND |
2016-03-16 | 5810-002-1050 | ND |
2016-04-25 | 5810-001-0832 | ND |
2016-04-25 | 5810-002-1055 | ND |
2016-04-25 | 5810-004-0855 | ND |
2016-04-25 | 5810-006-0905 | ND |
2016-04-25 | 5810-008-0950 | ND |
2016-04-25 | 5810-009-0940 | ND |
2016-04-25 | 5810-010-1041 | ND |
2016-04-25 | 5810-011-1005 | ND |
2016-05-18 | 5810-001-0905 | ND |
2016-05-18 | 5810-002-0858 | ND |
2016-06-16 | 5810-001-0820 | ND |
2016-06-16 | 5810-002-0840 | ND |
2016-07-20 | 5810-001-0915 | ND |
2016-07-20 | 5810-002-0945 | ND |
2016-07-20 | 5810-006-1019 | ND |
2016-08-04 | 5810-001-1125 | ND |
2016-08-04 | 5810-002-1140 | ND |
2016-09-22 | 5810-001-0756 | ND |
2016-09-22 | 5810-002-0816 | ND |
2016-10-13 | 5810-001-0750 | ND |
2016-10-13 | 5810-002-0820 | ND |
2016-11-09 | 5810-001-0830 | ND |
2016-11-09 | 5810-002-0850 | ND |
2016-12-15 | 5810-001-0835 | ND |
2016-12-15 | 5810-002-0850 | ND |
2017-01-18 | 5810-001-0855 | ND |
2017-01-18 | 5810-002-0835 | ND |
2017-02-15 | 5810-001-0755 | ND |
2017-02-15 | 5810-002-0815 | ND |
2017-03-15 | 5810-001-0810 | ND |
2017-03-15 | 5810-002-0830 | ND |
2017-04-13 | 5810-001-0935 | ND |
2017-04-13 | 5810-002-0830 | ND |
2017-04-13 | 5810-006-0915 | ND |
2017-04-13 | 5810-008-1025 | ND |
2017-04-13 | 5810-009-1035 | ND |
2017-04-13 | 5810-010-1015 | ND |
2017-04-13 | 5810-011-0800 | ND |
2017-05-15 | 5810-001-1140 | ND |
2017-05-15 | 5810-002-1120 | ND |
2017-06-13 | 5810-001-0740 | ND |
2017-06-13 | 5810-002-0800 | ND |
2017-06-13 | 5810-004-0817 | ND |
2017-06-13 | 5810-007-0945 | ND |
2017-07-17 | 5810-001-1130 | ND |
2017-07-17 | 5810-002-1250 | ND |
2017-07-17 | 5810-007-1050 | ND |
2017-08-24 | 5810-001-0740 | ND |
2017-08-24 | 5810-002-0758 | ND |
2017-09-18 | 5810-001-0822 | ND |
2017-09-18 | 5810-002-0810 | ND |
2017-10-05 | 5810-001-0805 | ND |
2017-10-05 | 5810-007-0845 | ND |
2017-11-20 | 5810-001-1300 | ND |
2017-12-14 | 5810-001-0845 | ND |
2018-01-17 | 5810-001-0835 | ND |
2018-01-17 | 5810-007-1005 | ND |
2018-02-14 | 5810-001-0828 | ND |
2018-02-27 | 5810-002-1300 | ND |