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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

1,2,4-Trichlorobenzene results

MS0730010 , Lake Arrowhead

28 samples have been analysed for 1,2,4-Trichlorobenzene at Lake Arrowhead.

This is one analyte out of the system’s whole record. For what has ever been detected here, and when, see all chemical and radiological results; for everything the system is tested for, see the analyte list.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

No date range is applied: this list draws on every sample on record. Show the last two years only.

Every 1,2,4-Trichlorobenzene result

The table below lists 11–20 of 28 samples, newest first — collected December 14, 2004 to August 20, 2009.

10 1,2,4-Trichlorobenzene results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 200 results for other analytes, which are on the full results page.

1,2,4-Trichlorobenzene results for Lake Arrowhead, from 11 to 20 of 28 samples shown analysed for it, newest first. This view leaves out other analytes on the same samples. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Aug 20, 2009
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
090821-012VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2009, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2009 – Dec 31, 2009
Collected
Sep 23, 2008
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
080924-020VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Sep 23, 2008, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Collected
Sep 20, 2007
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
070921-009VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Sep 20, 2007, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Collected
Dec 6, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
051207-035VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 6, 2005, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Oct 1, 2005 – Dec 31, 2005
Collected
Sep 19, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
050920-008VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Sep 19, 2005, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2005 – Sep 30, 2005
Collected
Jun 13, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
050614-002VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 13, 2005, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Apr 1, 2005 – Jun 30, 2005
Collected
Feb 22, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
050223-053VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 22, 2005, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2005 – Mar 31, 2005
Collected
Dec 14, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
041215-040VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Collected
Dec 14, 2004
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
041215-041VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Collected
Dec 14, 2004
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
041215-042VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004

Routine (10).