If you find this page useful and would like to be notified of changes made to this page, start by inputting your email below.
powered by ChangeDetection
m |
m |
||
(5 intermediate revisions by the same user not shown) | |||
Line 1: | Line 1: | ||
− | __TOC__ | + | __TOC__ |
== Well Details == | == Well Details == | ||
{| class="wikitable welldetails" width="95%" | {| class="wikitable welldetails" width="95%" | ||
| Well ID: 34-005-20322 | | Well ID: 34-005-20322 | ||
− | | style="height=100%; align=center" rowspan=" | + | | style="height=100%; align=center" rowspan="17" | {{#display_map: 40.76, -82.36 | width=100% | height=100% }} |
|- | |- | ||
− | | | + | | Country: United States |
|- | |- | ||
− | | | + | | State: Ohio |
|- | |- | ||
− | | | + | | County: [[Ashland_County,_Ohio|Ashland]] |
|- | |- | ||
− | | | + | | Municipality: [[Mifflin_Township,_Ashland_County,_Ohio|Mifflin Township]] |
|- | |- | ||
− | | | + | | Operator Name: [[COLUMBIA GAS TRANSMISSION LLC]] |
|- | |- | ||
− | | | + | | Well Pad ID: |
|- | |- | ||
− | | | + | | Farm/Lease Name: MUSKINGUM W C DISTRICT |
+ | |- | ||
+ | | License Status: Storage Well | ||
+ | |- | ||
+ | | License Date: | ||
|- | |- | ||
| Spud Date: 1946-09-28 | | Spud Date: 1946-09-28 | ||
|- | |- | ||
− | | | + | | Spud Drilling Contractor: |
+ | |- | ||
+ | | Final Drill Date: 1946-11-08 | ||
+ | |- | ||
+ | | Well Total Depth: 2429.00 ft | ||
+ | |- | ||
+ | | Configuration: Vertical | ||
+ | |- | ||
+ | | Latitude: 40.760000 | ||
+ | |- | ||
+ | | Longitude: -82.360000 | ||
+ | |} | ||
+ | For data sources see<ref>{{cite web | ||
+ | | title = Risk Based Data Management System - Well, tblLocational, tblPlugWell, tblInspection, tblCivilTownships and tblPad Tables | ||
+ | |publisher = [[Ohio Department of Natural Resources]] | ||
+ | | date = 2020-11-16 | ||
+ | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
+ | | accessdate = 2020-11-16 }}</ref> | ||
+ | == Well History == | ||
+ | {| class="wikitable sortable" width="95%" | ||
+ | !scope="col" style="text-align: center"| Well Status | ||
+ | !scope="col" style="width: 15%;text-align: center"| Well Status Date | ||
+ | !scope="col" style="text-align: center"| Comment | ||
+ | |- | ||
+ | | Original Spud | ||
+ | | 1946-09-28 | ||
+ | | GL=1013.1 | ||
+ | |- | ||
+ | | Completed | ||
+ | | 1946-11-08 | ||
+ | | GL=1013.1 | ||
+ | |- | ||
+ | | Reached Total Depth | ||
+ | | 1946-11-08 | ||
+ | | GL=1013.1 | ||
+ | |- | ||
+ | | Record Last Modified | ||
+ | | 2013-05-23 | ||
+ | | GL=1013.1 | ||
|- | |- | ||
− | | | + | |} |
+ | For data sources see<ref>{{cite web | ||
+ | | title = Risk Based Data Management System - Well and WellHistry Tables | ||
+ | |publisher = [[Ohio Department of Natural Resources]] | ||
+ | | date = 2020-11-16 | ||
+ | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
+ | | accessdate = 2020-11-16 }}</ref> | ||
+ | <!--== Perforation Treatments == | ||
+ | {| class="wikitable sortable" width="95%" | ||
+ | !scope="col" style="text-align: center"| Perforation Date | ||
+ | !scope="col" style="text-align: center"| Interval Top (ft) | ||
+ | !scope="col" style="text-align: center"| Interval Base (ft) | ||
+ | !scope="col" style="text-align: center"| Number of Shots | ||
|- | |- | ||
− | | | + | |}--> |
+ | <!--== Fracking Activities == | ||
+ | ==== Fracking Jobs ==== | ||
+ | {| class="wikitable sortable" width="95%" | ||
+ | !scope="col" style="text-align: center"| Job Number | ||
+ | !scope="col" style="text-align: center"| Job Start Date | ||
+ | !scope="col" style="text-align: center"| Job End Date | ||
+ | !scope="col" style="text-align: center"| True Vertical Depth (ft) | ||
+ | !scope="col" style="text-align: center"| Total Water Volume (gal) | ||
+ | !scope="col" style="text-align: center"| Total Non-Water Volume (gal) | ||
|- | |- | ||
− | | | + | |}--> |
+ | <!--==== Fluid Composition Data ==== | ||
+ | {| class="wikitable sortable" style="width: 100%" | ||
+ | !scope="col" style="text-align: center"| Job Number | ||
+ | !scope="col" style="text-align: center"| Trade Name | ||
+ | !scope="col" style="text-align: center"| Supplier | ||
+ | !scope="col" style="text-align: center"| Purpose | ||
+ | !scope="col" style="text-align: center"| Ingredient Name | ||
+ | !scope="col" style="white-space: nowrap;text-align: center"| CAS Number | ||
+ | !scope="col" style="text-align: center"| Additive Percentage by Mass | ||
+ | !scope="col" style="text-align: center"| Job Percentage by Mass | ||
+ | !scope="col" style="text-align: center"| Mass Used (lb) | ||
|- | |- | ||
− | | | + | |}--> |
+ | == Stimulations Data == | ||
+ | {| class="wikitable sortable" width="95%" | ||
+ | !scope="col" style="text-align: center"| Stimulation Date | ||
+ | !scope="col" style="text-align: center"| Chemical Agent | ||
+ | !scope="col" style="text-align: center"| Chemical Agent Concentration (%) | ||
+ | !scope="col" style="text-align: center"| Fracking Fluid Volume | ||
+ | !scope="col" style="text-align: center"| Mass of Proppant Used (lb) | ||
+ | !scope="col" style="text-align: center"| Fracking Company | ||
+ | !scope="col" style="text-align: center"| Comments | ||
|- | |- | ||
− | | | + | | |
+ | | | ||
+ | | style="text-align: right;" | 0 | ||
+ | | style="text-align: right;" | 0 | ||
+ | | style="text-align: right;" | 0 | ||
+ | | | ||
+ | | | ||
|- | |- | ||
|} | |} | ||
+ | For data sources see<ref>{{cite web | ||
+ | | title = Risk Based Data Management System - tblStimulation Table | ||
+ | |publisher = [[Ohio Department of Natural Resources]] | ||
+ | | date = 2020-11-16 | ||
+ | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
+ | | accessdate = 2020-11-16 }}</ref> | ||
== Production Data == | == Production Data == | ||
{| class="wikitable sortable" width="95%" | {| class="wikitable sortable" width="95%" | ||
− | !scope="col" | | + | !scope="col" style="text-align: center"| Period |
− | !scope="col" | | + | !scope="col" style="text-align: center"| Operator Name |
− | !scope="col" | | + | !scope="col" style="text-align: center"| Gas Quantity (mcf) |
− | !scope="col" | | + | !scope="col" style="text-align: center"| Oil Quantity (bbl) |
− | !scope="col" | | + | !scope="col" style="text-align: center"| Production Days |
− | + | |- | |
− | + | | 2001 | |
+ | | [[COLUMBIA GAS TRANSMISSION LLC]] | ||
+ | | style="text-align: right;" | 0.00 | ||
+ | | style="text-align: right;" | 0.00 | ||
+ | | style="text-align: right;" | 0 | ||
+ | |- | ||
+ | | 2002 | ||
+ | | [[COLUMBIA GAS TRANSMISSION LLC]] | ||
+ | | style="text-align: right;" | 0.00 | ||
+ | | style="text-align: right;" | 0.00 | ||
+ | | style="text-align: right;" | 0 | ||
+ | |- | ||
+ | | 2003 | ||
+ | | [[COLUMBIA GAS TRANSMISSION LLC]] | ||
+ | | style="text-align: right;" | 0.00 | ||
+ | | style="text-align: right;" | 0.00 | ||
+ | | style="text-align: right;" | 0 | ||
+ | |- | ||
+ | | 2004 | ||
+ | | [[COLUMBIA GAS TRANSMISSION LLC]] | ||
+ | | style="text-align: right;" | 0.00 | ||
+ | | style="text-align: right;" | 0.00 | ||
+ | | style="text-align: right;" | 0 | ||
+ | |- | ||
+ | | 2005 | ||
+ | | [[COLUMBIA GAS TRANSMISSION LLC]] | ||
+ | | style="text-align: right;" | 0.00 | ||
+ | | style="text-align: right;" | 0.00 | ||
+ | | style="text-align: right;" | 0 | ||
+ | |- | ||
+ | | 2006 | ||
+ | | [[COLUMBIA GAS TRANSMISSION LLC]] | ||
+ | | style="text-align: right;" | 0.00 | ||
+ | | style="text-align: right;" | 0.00 | ||
+ | | style="text-align: right;" | 0 | ||
+ | |- | ||
|} | |} | ||
+ | For data sources see<ref>{{cite web | ||
+ | | title = Risk Based Data Management System - Production Table - Oil and Gas Data | ||
+ | |publisher = [[Ohio Department of Natural Resources]] | ||
+ | | date = 2020-11-16 | ||
+ | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
+ | | accessdate = 2020-11-16 }}</ref> | ||
+ | <ref>{{cite web | ||
+ | | title = Combined Production - Oil and Gas Data | ||
+ | |publisher = [[Ohio Department of Natural Resources]] | ||
+ | | date = 2020-11-16 | ||
+ | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
+ | | accessdate = 2020-11-16 }}</ref> | ||
== Waste Data == | == Waste Data == | ||
− | {| class="wikitable sortable" | + | {| class="wikitable sortable" |
− | !scope="col" | | + | !scope="col" style="text-align: center"| Period |
− | !scope="col" | | + | !scope="col" style="text-align: center"| Operator Name |
− | !scope="col" | | + | !scope="col" style="text-align: center"| Waste Type |
− | !scope="col" | | + | !scope="col" style="text-align: center"| Quantity (bbl) |
− | + | !scope="col" style="text-align: center"| Production Days | |
− | + | |- | |
− | + | | 2001 | |
− | + | | [[COLUMBIA GAS TRANSMISSION LLC]] | |
− | + | | Brine | |
+ | | style="text-align: right;" | 0 | ||
+ | | style="text-align: right;" | 0 | ||
+ | |- | ||
+ | | 2002 | ||
+ | | [[COLUMBIA GAS TRANSMISSION LLC]] | ||
+ | | Brine | ||
+ | | style="text-align: right;" | 0 | ||
+ | | style="text-align: right;" | 0 | ||
+ | |- | ||
+ | | 2003 | ||
+ | | [[COLUMBIA GAS TRANSMISSION LLC]] | ||
+ | | Brine | ||
+ | | style="text-align: right;" | 0 | ||
+ | | style="text-align: right;" | 0 | ||
+ | |- | ||
+ | | 2004 | ||
+ | | [[COLUMBIA GAS TRANSMISSION LLC]] | ||
+ | | Brine | ||
+ | | style="text-align: right;" | 0 | ||
+ | | style="text-align: right;" | 0 | ||
+ | |- | ||
+ | | 2005 | ||
+ | | [[COLUMBIA GAS TRANSMISSION LLC]] | ||
+ | | Brine | ||
+ | | style="text-align: right;" | 0 | ||
+ | | style="text-align: right;" | 0 | ||
+ | |- | ||
+ | | 2006 | ||
+ | | [[COLUMBIA GAS TRANSMISSION LLC]] | ||
+ | | Brine | ||
+ | | style="text-align: right;" | 0 | ||
+ | | style="text-align: right;" | 0 | ||
+ | |- | ||
|} | |} | ||
+ | For data sources see<ref>{{cite web | ||
+ | | title = Risk Based Data Management System - Production Table - Brine Data | ||
+ | |publisher = [[Ohio Department of Natural Resources]] | ||
+ | | date = 2020-11-16 | ||
+ | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
+ | | accessdate = 2020-11-16 }}</ref> | ||
+ | <ref>{{cite web | ||
+ | | title = Combined Production - Brine Data | ||
+ | |publisher = [[Ohio Department of Natural Resources]] | ||
+ | | date = 2020-11-16 | ||
+ | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
+ | | accessdate = 2020-11-16 }}</ref> | ||
== Inspection Data == | == Inspection Data == | ||
+ | ==== Inspections Performed ==== | ||
{| class="wikitable sortable" width="95%" | {| class="wikitable sortable" width="95%" | ||
− | !scope="col" | | + | !scope="col" style="text-align: center"| Inspection ID |
− | !scope="col" | | + | !scope="col" style="text-align: center"| Inspection Date |
− | !scope="col" | | + | !scope="col" style="text-align: center"| Inspection Type |
− | !scope="col" | + | !scope="col" style="text-align: center"| Inspection Result |
− | + | !scope="col" style="text-align: center"| Inspection Comments | |
− | !scope="col" | ||
− | |||
|- | |- | ||
| -2074501733 | | -2074501733 | ||
+ | | 2013-11-21 0:00 | ||
+ | | SO | ||
+ | | No Violations | ||
+ | | 1.00 | ||
+ | |- | ||
+ | | -645965549 | ||
+ | | 2017-4-11 0:00: | ||
+ | | SO | ||
+ | | No Violations | ||
+ | | 0.50 | ||
+ | |- | ||
+ | | -730087177 | ||
+ | | 2016-2-26 0:00: | ||
+ | | SO | ||
+ | | No Violations | ||
+ | | 0.50 | ||
+ | |- | ||
+ | | 0503012841 | ||
+ | | 2019-04-25 | ||
+ | | Storage Well | ||
+ | | No Violations | ||
+ | | Performed annual inspection for Columbia Gas Storage Well #8273 on 04/25/2019. The well is equipped with a flanged wellhead with 1-master valve and 1-wing valve, a drip, and 1-25 bbl steel tank (not hooked-up). Well identification is clearly displayed. No problems were noted at the time of the inspection. | ||
+ | |- | ||
+ | | 0645965549 | ||
+ | | 2017-04-11 | ||
+ | | Storage Well | ||
+ | | No Violations | ||
+ | | ID is posted and the location is maintained. The well is shut in at the gate valve; the surface annulus is open. There is a 25 barrel tank at the location. The tank is not connected to the well. The well is equipped with a separator. | ||
+ | |- | ||
+ | | 0697125833 | ||
+ | | 2014-10-10 | ||
+ | | Storage Well | ||
+ | | No Violations | ||
+ | | ID posted, location maintained. Both gate valves on the well are closed. There is a 25 Bbl tank at the well. | ||
+ | |- | ||
+ | | 0730087177 | ||
+ | | 2016-02-26 | ||
+ | | Storage Well | ||
+ | | No Violations | ||
+ | | ID is posted and the location is maintained. The annulus is equipped with a vent stack. The well is shut in at the gate valve. There is a 25 barrel tank at the well which is not connected to the well or separator. The tank is empty. | ||
+ | |- | ||
+ | | 0760326361 | ||
+ | | 2015-09-23 | ||
+ | | Storage Well | ||
+ | | No Violations | ||
+ | | ID posted, location maintained. There is a vent stack connected to the surface-production annulus. There is a 25 barrel tank at the location that is not connected to the well. The well is shut in. | ||
+ | |- | ||
+ | | 1545397952 | ||
+ | | 2018-12-21 | ||
+ | | Storage Well | ||
+ | | No Violations | ||
+ | | Inspect well. The well has a drip. A 50 barrel water tank is adjacent to the well. The tank is full and the contents are frozen due to recent cold weather. A 10 barrel solvent tank is connected to the supply line near the well head. | ||
+ | |- | ||
+ | | 2074501733 | ||
| 2013-11-21 | | 2013-11-21 | ||
− | | | + | | Storage Well |
+ | | No Violations | ||
| ID posted. There is a 50 Barrel tank at the location. The valve on the tank is dripping brine, the brine is contained on absorbent pads. The well is shut in. | | ID posted. There is a 50 Barrel tank at the location. The valve on the tank is dripping brine, the brine is contained on absorbent pads. The well is shut in. | ||
− | | | + | |- |
− | | | + | | 503012841 |
− | | | + | | 2019-4-25 0:00: |
+ | | SO | ||
+ | | No Violations | ||
+ | | | ||
+ | |- | ||
+ | | 697125833 | ||
+ | | 2014-10-10 0:00 | ||
+ | | SO | ||
+ | | No Violations | ||
+ | | 0.50 | ||
+ | |- | ||
+ | | 699841629 | ||
+ | | 2020-6-2 0:00:0 | ||
+ | | SO | ||
+ | | No Violations | ||
+ | | | ||
+ | |- | ||
+ | | 760326361 | ||
+ | | 2015-9-23 0:00: | ||
+ | | SO | ||
+ | | No Violations | ||
+ | | 0.50 | ||
|- | |- | ||
|} | |} | ||
+ | <!--==== Violations Commited ==== | ||
+ | {| class="wikitable sortable" width="95%" | ||
+ | !scope="col" style="text-align: center"| Inspection ID | ||
+ | !scope="col" style="text-align: center"| Violation ID | ||
+ | !scope="col" style="text-align: center"| Violation Date | ||
+ | !scope="col" style="text-align: center"| Violation Code | ||
+ | !scope="col" style="text-align: center"| Violation Comments | ||
+ | |- | ||
+ | |}--> | ||
+ | For data sources see<ref>{{cite web | ||
+ | | title = Risk Based Data Management System - tblInspection, tblInspFail and tblinspFlDesc Tables | ||
+ | |publisher = [[Ohio Department of Natural Resources]] | ||
+ | | date = 2020-11-16 | ||
+ | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
+ | | accessdate = 2020-11-16 }}</ref> | ||
+ | ==References== | ||
+ | <references/> | ||
__NOEDITSECTION__ | __NOEDITSECTION__ | ||
− | [[Category:Wells]] | + | [[Category:Ohio Wells]] |
Well ID: 34-005-20322 | Loading map...
{"type":"SATELLITE","minzoom":false,"maxzoom":false,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"mappingservice":"googlemaps3","width":"100%","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"wmsoverlay":false,"copycoords":false,"static":false,"zoom":14,"layers":[],"controls":["pan","zoom","type","scale","streetview","rotate"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"resizable":false,"kmlrezoom":false,"poi":true,"markercluster":false,"clustergridsize":60,"clustermaxzoom":20,"clusterzoomonclick":true,"clusteraveragecenter":true,"clusterminsize":2,"imageoverlays":[],"kml":[],"gkml":[],"searchmarkers":"","enablefullscreen":false,"scrollwheelzoom":false,"locations":[{"text":"","title":"","link":"","lat":40.76,"lon":-82.36,"icon":""}]} |
Country: United States | |
State: Ohio | |
County: Ashland | |
Municipality: Mifflin Township | |
Operator Name: COLUMBIA GAS TRANSMISSION LLC | |
Well Pad ID: | |
Farm/Lease Name: MUSKINGUM W C DISTRICT | |
License Status: Storage Well | |
License Date: | |
Spud Date: 1946-09-28 | |
Spud Drilling Contractor: | |
Final Drill Date: 1946-11-08 | |
Well Total Depth: 2429.00 ft | |
Configuration: Vertical | |
Latitude: 40.760000 | |
Longitude: -82.360000 |
For data sources see[1]
Well Status | Well Status Date | Comment |
---|---|---|
Original Spud | 1946-09-28 | GL=1013.1 |
Completed | 1946-11-08 | GL=1013.1 |
Reached Total Depth | 1946-11-08 | GL=1013.1 |
Record Last Modified | 2013-05-23 | GL=1013.1 |
For data sources see[2]
Stimulation Date | Chemical Agent | Chemical Agent Concentration (%) | Fracking Fluid Volume | Mass of Proppant Used (lb) | Fracking Company | Comments |
---|---|---|---|---|---|---|
0 | 0 | 0 |
For data sources see[3]
Period | Operator Name | Gas Quantity (mcf) | Oil Quantity (bbl) | Production Days |
---|---|---|---|---|
2001 | COLUMBIA GAS TRANSMISSION LLC | 0.00 | 0.00 | 0 |
2002 | COLUMBIA GAS TRANSMISSION LLC | 0.00 | 0.00 | 0 |
2003 | COLUMBIA GAS TRANSMISSION LLC | 0.00 | 0.00 | 0 |
2004 | COLUMBIA GAS TRANSMISSION LLC | 0.00 | 0.00 | 0 |
2005 | COLUMBIA GAS TRANSMISSION LLC | 0.00 | 0.00 | 0 |
2006 | COLUMBIA GAS TRANSMISSION LLC | 0.00 | 0.00 | 0 |
Period | Operator Name | Waste Type | Quantity (bbl) | Production Days |
---|---|---|---|---|
2001 | COLUMBIA GAS TRANSMISSION LLC | Brine | 0 | 0 |
2002 | COLUMBIA GAS TRANSMISSION LLC | Brine | 0 | 0 |
2003 | COLUMBIA GAS TRANSMISSION LLC | Brine | 0 | 0 |
2004 | COLUMBIA GAS TRANSMISSION LLC | Brine | 0 | 0 |
2005 | COLUMBIA GAS TRANSMISSION LLC | Brine | 0 | 0 |
2006 | COLUMBIA GAS TRANSMISSION LLC | Brine | 0 | 0 |
Inspection ID | Inspection Date | Inspection Type | Inspection Result | Inspection Comments |
---|---|---|---|---|
-2074501733 | 2013-11-21 0:00 | SO | No Violations | 1.00 |
-645965549 | 2017-4-11 0:00: | SO | No Violations | 0.50 |
-730087177 | 2016-2-26 0:00: | SO | No Violations | 0.50 |
0503012841 | 2019-04-25 | Storage Well | No Violations | Performed annual inspection for Columbia Gas Storage Well #8273 on 04/25/2019. The well is equipped with a flanged wellhead with 1-master valve and 1-wing valve, a drip, and 1-25 bbl steel tank (not hooked-up). Well identification is clearly displayed. No problems were noted at the time of the inspection. |
0645965549 | 2017-04-11 | Storage Well | No Violations | ID is posted and the location is maintained. The well is shut in at the gate valve; the surface annulus is open. There is a 25 barrel tank at the location. The tank is not connected to the well. The well is equipped with a separator. |
0697125833 | 2014-10-10 | Storage Well | No Violations | ID posted, location maintained. Both gate valves on the well are closed. There is a 25 Bbl tank at the well. |
0730087177 | 2016-02-26 | Storage Well | No Violations | ID is posted and the location is maintained. The annulus is equipped with a vent stack. The well is shut in at the gate valve. There is a 25 barrel tank at the well which is not connected to the well or separator. The tank is empty. |
0760326361 | 2015-09-23 | Storage Well | No Violations | ID posted, location maintained. There is a vent stack connected to the surface-production annulus. There is a 25 barrel tank at the location that is not connected to the well. The well is shut in. |
1545397952 | 2018-12-21 | Storage Well | No Violations | Inspect well. The well has a drip. A 50 barrel water tank is adjacent to the well. The tank is full and the contents are frozen due to recent cold weather. A 10 barrel solvent tank is connected to the supply line near the well head. |
2074501733 | 2013-11-21 | Storage Well | No Violations | ID posted. There is a 50 Barrel tank at the location. The valve on the tank is dripping brine, the brine is contained on absorbent pads. The well is shut in. |
503012841 | 2019-4-25 0:00: | SO | No Violations | |
697125833 | 2014-10-10 0:00 | SO | No Violations | 0.50 |
699841629 | 2020-6-2 0:00:0 | SO | No Violations | |
760326361 | 2015-9-23 0:00: | SO | No Violations | 0.50 |
For data sources see[8]