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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

MS0240001 , City of Biloxi

51 of the 75 analytes this system has been tested for have been detected at least once, across 1,825 samples on record.

The other 24 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 1,825 samples on record, detections range from August 11, 1992 to June 25, 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 City of Biloxi, 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 616 of 692 results Aug 11, 1992 Jul 11, 2024
Lead 1030 Inorganic Chemical 502 of 692 results Aug 11, 1992 Jul 11, 2024
Fluoride 1025 Inorganic Chemical 148 of 148 results Jun 25, 2002 Jun 25, 2026
Barium 1010 Inorganic Chemical 144 of 145 results Jun 25, 2002 Feb 10, 2025
TTHM 2950 Organic Chemical 121 of 121 results Mar 8, 2004 Apr 28, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 113 of 119 results Aug 2, 2004 Apr 28, 2026
Chloroform 2941 Organic Chemical 103 of 103 results Jul 25, 2006 Apr 28, 2026
Bromodichloromethane 2943 Organic Chemical 99 of 103 results Jul 25, 2006 Apr 28, 2026
Dichloroacetic Acid 2451 Organic Chemical 95 of 97 results Aug 26, 2007 Apr 28, 2026
Trichloroacetic Acid 2452 Organic Chemical 95 of 97 results Aug 26, 2007 Apr 28, 2026
Dibromochloromethane 2944 Organic Chemical 88 of 103 results Jul 25, 2006 Apr 28, 2026
Chromium 1020 Inorganic Chemical 75 of 145 results Jun 25, 2002 Feb 10, 2025
Nickel 1036 Inorganic Chemical 53 of 144 results Jun 25, 2002 Feb 10, 2025
Dibromoacetic Acid 2454 Organic Chemical 51 of 97 results Dec 3, 2007 Apr 28, 2026
Sodium 1052 Inorganic Chemical 39 of 39 results Jan 22, 2010 Jun 25, 2026
Bromoform 2942 Organic Chemical 34 of 103 results Dec 3, 2007 Apr 28, 2026
Selenium 1045 Inorganic Chemical 33 of 145 results Feb 4, 2004 Apr 21, 2014
Sulfate 1055 Inorganic Chemical 30 of 30 results Jun 25, 2002 Oct 18, 2012
Arsenic 1005 Inorganic Chemical 20 of 145 results Mar 7, 2005 Feb 10, 2025
Monochloroacetic Acid 2450 Organic Chemical 18 of 97 results May 5, 2008 Oct 26, 2017
Combined Radium (-226 & -228) 4010 Radionuclide 16 of 58 results Feb 18, 2009 Nov 14, 2019
Radium-226 4020 Radionuclide 12 of 57 results Jun 25, 2009 Nov 14, 2019
Radium-228 4030 Radionuclide 12 of 57 results Feb 18, 2009 Nov 14, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 24 results Nov 20, 2013 Nov 14, 2019
Cyanide 1024 Inorganic Chemical 8 of 136 results Sep 19, 2011 Jun 16, 2025
Cadmium 1015 Inorganic Chemical 7 of 145 results Mar 7, 2005 Mar 7, 2005
Carbon Tetrachloride 2982 Organic Chemical 5 of 177 results Jun 4, 2007 Apr 12, 2021
Gross Alpha Particle Activity 4109 Radionuclide 3 of 33 results Jun 25, 2009 Mar 12, 2014
Calcium 1016 Inorganic Chemical 3 of 3 results Jan 22, 2010 Oct 18, 2012
Chloride 1017 Inorganic Chemical 3 of 3 results Jan 22, 2010 Oct 18, 2012
Manganese 1032 Inorganic Chemical 3 of 3 results Jan 22, 2010 Oct 18, 2012
Potassium 1042 Inorganic Chemical 3 of 3 results Jan 22, 2010 Oct 18, 2012
Residue, Total, Filterable 1057 Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Carbon Dioxide 1901 Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Color 1905 Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Hardness, Total (As Caco3) 1915 Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Alkalinity, Total 1927 Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Calculated Sodium NACA Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
PH, Field Result PHFD Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Dichloromethane 2964 Organic Chemical 3 of 177 results Feb 21, 2006 Feb 6, 2007
Iron 1028 Inorganic Chemical 2 of 3 results Jan 22, 2010 Oct 18, 2012
Gross Alpha, Excl. Radon & U 4000 Radionuclide 2 of 30 results Jun 25, 2009 Oct 26, 2009
Gross Beta Particle Activity 4100 Radionuclide 2 of 3 results Jun 25, 2009 Oct 26, 2009
Antimony, Total 1074 Inorganic Chemical 1 of 145 results Apr 25, 2022 Apr 25, 2022
Thallium, Total 1085 Inorganic Chemical 1 of 145 results Apr 22, 2020 Apr 22, 2020
Monobromoacetic Acid 2453 Organic Chemical 1 of 97 results Oct 27, 2014 Oct 27, 2014
Magnesium 1031 Inorganic Chemical 1 of 3 results Jan 22, 2010 Jan 22, 2010
Nitrite 1041 Inorganic Chemical 1 of 302 results Jun 19, 2006 Jun 19, 2006
Nitrate 1040 Inorganic Chemical 1 of 302 results May 12, 2004 May 12, 2004
Xylenes, Total 2955 Organic Chemical 1 of 177 results Aug 18, 2003 Aug 18, 2003

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 1,551–1,560 of 1,825 samples, newest first — collected June 4, 2002 to June 25, 2002. The summary above covers all 1,825.

96 results from the 10 samples listed here: 18 detected, 78 not detected. Across the whole record it is 2,602 of 9,314. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Chemical and radiological sample results for City of Biloxi, every result from 1,551 to 1,560 of 1,825 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
Jun 25, 2002
Sampling point
TF111 Treatment Plant T111
Sample type
Routine
Lab sample
020626-056IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF111 Arsenic 1005 EPA method 200.8 Not recorded
0.007 mg/l , sample collected Jun 25, 2002, sampling point TF111 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF111 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF111 Chromium 1020 EPA method 200.8 Not recorded
0.456 mg/l , sample collected Jun 25, 2002, sampling point TF111 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF111 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF111 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF111 Selenium 1045 EPA method 200.8 Not recorded
7.54 mg/l , sample collected Jun 25, 2002, sampling point TF111 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF111 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF111 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF111 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Jun 25, 2002
Sampling point
TF115 Treatment Plant T115
Sample type
Routine
Lab sample
020626-055IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF115 Arsenic 1005 EPA method 200.8 Not recorded
0.005 mg/l , sample collected Jun 25, 2002, sampling point TF115 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF115 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF115 Chromium 1020 EPA method 200.8 Not recorded
0.213 mg/l , sample collected Jun 25, 2002, sampling point TF115 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF115 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF115 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF115 Selenium 1045 EPA method 200.8 Not recorded
6.8 mg/l , sample collected Jun 25, 2002, sampling point TF115 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF115 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF115 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF115 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Jun 25, 2002
Sampling point
TF114 Treatment Plant T114
Sample type
Routine
Lab sample
020626-054IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF114 Arsenic 1005 EPA method 200.8 Not recorded
0.009 mg/l , sample collected Jun 25, 2002, sampling point TF114 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF114 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF114 Chromium 1020 EPA method 200.8 Not recorded
0.234 mg/l , sample collected Jun 25, 2002, sampling point TF114 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF114 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF114 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF114 Selenium 1045 EPA method 200.8 Not recorded
7.3 mg/l , sample collected Jun 25, 2002, sampling point TF114 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF114 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF114 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF114 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Jun 25, 2002
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
020626-053IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF105 Arsenic 1005 EPA method 200.8 Not recorded
0.009 mg/l , sample collected Jun 25, 2002, sampling point TF105 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF105 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF105 Chromium 1020 EPA method 200.8 Not recorded
0.436 mg/l , sample collected Jun 25, 2002, sampling point TF105 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF105 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF105 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF105 Selenium 1045 EPA method 200.8 Not recorded
7.7 mg/l , sample collected Jun 25, 2002, sampling point TF105 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF105 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF105 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF105 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Jun 25, 2002
Sampling point
TF106 Treatment Plant T106
Sample type
Routine
Lab sample
020626-052IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF106 Arsenic 1005 EPA method 200.8 Not recorded
0.007 mg/l , sample collected Jun 25, 2002, sampling point TF106 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF106 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF106 Chromium 1020 EPA method 200.8 Not recorded
0.216 mg/l , sample collected Jun 25, 2002, sampling point TF106 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF106 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF106 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF106 Selenium 1045 EPA method 200.8 Not recorded
6.7 mg/l , sample collected Jun 25, 2002, sampling point TF106 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF106 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF106 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF106 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Jun 25, 2002
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
020626-051IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF104 Arsenic 1005 EPA method 200.8 Not recorded
0.006 mg/l , sample collected Jun 25, 2002, sampling point TF104 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF104 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF104 Chromium 1020 EPA method 200.8 Not recorded
0.308 mg/l , sample collected Jun 25, 2002, sampling point TF104 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF104 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF104 Selenium 1045 EPA method 200.8 Not recorded
6.2 mg/l , sample collected Jun 25, 2002, sampling point TF104 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Jun 6, 2002
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
020607-002VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 1,2,4-Trichlorobenzene 2378 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Cis-1,2-Dichloroethylene 2380 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Xylenes, Total 2955 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Dichloromethane 2964 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 O-Dichlorobenzene 2968 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 P-Dichlorobenzene 2969 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Vinyl Chloride 2976 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 1,1-Dichloroethylene 2977 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Trans-1,2-Dichloroethylene 2979 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 1,2-Dichloroethane 2980 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 1,1,1-Trichloroethane 2981 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Carbon Tetrachloride 2982 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 1,2-Dichloropropane 2983 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Trichloroethylene 2984 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 1,1,2-Trichloroethane 2985 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Tetrachloroethylene 2987 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Chlorobenzene 2989 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Benzene 2990 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Toluene 2991 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Ethylbenzene 2992 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 6, 2002, sampling point TF105 Styrene 2996 Not recorded
Collected
Jun 4, 2002
Sampling point
TF117 Treatment Plant T117
Sample type
Routine
Lab sample
020605-064CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jun 4, 2002, sampling point TF117 Cyanide 1024 EPA method 335.4 Jan 1, 2002 – Dec 31, 2004
Collected
Jun 4, 2002
Sampling point
TF114 Treatment Plant T114
Sample type
Routine
Lab sample
020605-062CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jun 4, 2002, sampling point TF114 Cyanide 1024 EPA method 335.4 Jan 1, 2002 – Dec 31, 2004
Collected
Jun 4, 2002
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
020605-054CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jun 4, 2002, sampling point TF101 Cyanide 1024 EPA method 335.4 Jan 1, 2002 – Dec 31, 2004

Routine (10).