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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.

Chemical and radiological sample results

MS0670012 , Town of Sunflower

23 of the 57 analytes this system has been tested for have been detected at least once, across 237 samples on record.

The other 34 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 237 samples on record, detections range from October 27, 2003 to April 6, 2026. These figures cover the whole record.

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

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for Town of Sunflower, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Copper, Free 1022 Inorganic Chemical 63 of 63 results Aug 14, 2007 Aug 10, 2023
Lead 1030 Inorganic Chemical 51 of 63 results Aug 14, 2007 Aug 10, 2023
Barium 1010 Inorganic Chemical 22 of 22 results Oct 27, 2003 Apr 9, 2025
Fluoride 1025 Inorganic Chemical 22 of 22 results Oct 27, 2003 Apr 9, 2025
TTHM 2950 Organic Chemical 17 of 17 results Sep 22, 2004 Apr 6, 2026
Chromium 1020 Inorganic Chemical 15 of 22 results Oct 27, 2003 Apr 9, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 14 of 17 results Sep 11, 2007 Apr 6, 2026
Chloroform 2941 Organic Chemical 13 of 13 results Sep 11, 2007 Apr 6, 2026
Nickel 1036 Inorganic Chemical 11 of 22 results Mar 29, 2004 Apr 9, 2025
Dichloroacetic Acid 2451 Organic Chemical 10 of 12 results Jul 7, 2010 Apr 6, 2026
Trichloroacetic Acid 2452 Organic Chemical 10 of 12 results Jul 7, 2010 Apr 6, 2026
Bromodichloromethane 2943 Organic Chemical 10 of 13 results Sep 11, 2007 Apr 6, 2026
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 6, 2011 Jul 11, 2012
Dibromochloromethane 2944 Organic Chemical 7 of 13 results Sep 11, 2007 Nov 18, 2024
Selenium 1045 Inorganic Chemical 5 of 22 results Mar 29, 2004 Apr 12, 2006
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 24, 2019 Nov 7, 2023
Arsenic 1005 Inorganic Chemical 2 of 22 results Apr 12, 2006 Apr 9, 2025
Dibromoacetic Acid 2454 Organic Chemical 2 of 12 results Jul 7, 2010 Sep 9, 2013
Bromoform 2942 Organic Chemical 2 of 13 results Sep 11, 2007 Sep 9, 2013
Cadmium 1015 Inorganic Chemical 2 of 22 results Apr 26, 2005 Apr 26, 2005
Mercury 1035 Inorganic Chemical 2 of 21 results Apr 26, 2005 Apr 26, 2005
Combined Uranium 4006 Radionuclide 1 of 8 results Oct 12, 2021 Oct 12, 2021
Cyanide 1024 Inorganic Chemical 1 of 22 results Sep 9, 2013 Sep 9, 2013

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

The most recent samples, result by result

The table below lists 81–90 of 237 samples, newest first — collected May 23, 2016 to April 18, 2017. The summary above covers all 237.

87 results from the 10 samples listed here: 10 detected, 77 not detected. Across the whole record it is 295 of 1,521. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Units in this table

Mercury is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Chemical and radiological sample results for Town of Sunflower, every result from 81 to 90 of 237 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Apr 18, 2017 03:05
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
170419-014VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:05, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Collected
Apr 18, 2017 03:18
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
170419-013VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2017 03:18, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Collected
Apr 5, 2017 12:56
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
170406-067NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 5, 2017 12:56, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 5, 2017 12:56, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 5, 2017 12:56, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Apr 5, 2017 01:48
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
170406-058NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 5, 2017 01:48, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 5, 2017 01:48, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 5, 2017 01:48, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Dec 13, 2016 12:54
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
161214-014IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:54, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0236 mg/l , sample collected Dec 13, 2016 12:54, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:54, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:54, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.3 mg/l , sample collected Dec 13, 2016 12:54, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.2 ug/l Minimum Reporting Level , sample collected Dec 13, 2016 12:54, sampling point TF102 Mercury 1035 EPA method 245.1 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:54, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:54, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:54, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:54, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:54, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Dec 13, 2016 12:20
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
161214-013IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:20, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0428 mg/l , sample collected Dec 13, 2016 12:20, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:20, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0006 mg/l , sample collected Dec 13, 2016 12:20, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.187 mg/l , sample collected Dec 13, 2016 12:20, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:20, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:20, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:20, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:20, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:20, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 12:20, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Aug 31, 2016 01:06
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
160901-001TH
Laboratory
MSDH Lab
6.84 ug/l , sample collected Aug 31, 2016 01:06, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 31, 2016 01:06, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 31, 2016 01:06, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 31, 2016 01:06, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
6.84 ug/l , sample collected Aug 31, 2016 01:06, sampling point MRT000 TTHM 2950 Jan 1, 2014 – Dec 31, 2016
Collected
Aug 31, 2016 01:06
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
160901-001HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 31, 2016 01:06, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Aug 31, 2016 01:06, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Aug 31, 2016 01:06, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 31, 2016 01:06, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 31, 2016 01:06, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Aug 31, 2016 01:06, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2014 – Dec 31, 2016
Collected
May 23, 2016 13:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
160524-025NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 23, 2016 13:15, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 23, 2016 13:15, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 23, 2016 13:15, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
May 23, 2016 13:47
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
160524-024NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 23, 2016 13:47, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 23, 2016 13:47, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 23, 2016 13:47, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016

Routine (10).