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Gelman Site of 1,4-Dioxane Contamination - Dioxane Plume ( Data) [Michigan] {2023}

Michigan Dept. of Environment, Great Lakes, and Energy · 2023 Full Details

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Title
Gelman Site of 1,4-Dioxane Contamination - Dioxane Plume ( Data) [Michigan] {2023}
Description
A series of annual geochemical models were created by RockWare utilizing RockWorks20 which were interpolated based on the 1,4-dioxane levels that were measured during 1986 through 2023. In cases where the same intervals were samples on more than one occasion during a given year, the highest 1,4-dioxane values were used. The extent of each annual model were limited to polygons based on only the wells that were sampled during the associated year to eliminate interpolating in areas where data is not present. The annual geochemical models were then filtered based on lithology to eliminate any voxels within the areas deemed impermeable based on lithology. The models were further constrained by utilizing the maximum historical water level surface (MHWLS) grid model to further restrict the interpolation from areas lacking measured data. Finally, the voxel models were converted to annual grid models, in which the cell values are based on the highest value within the corresponding column of voxels.The 2023 plume presented here was created from the RockWorks project database files on February 27, 2024 (Gelman5_v2023.sqlite). The grid file titled2023-01-01_to_2023-12-31.RwGrd was converted by The Mannik and Smith Group (MSG) to a raster file compatible in ArcGIS and converted to polygons of areas of concentrations between the following values: 4 ppb, 7.2 ppb, 85 ppb, 150 ppb, 280 ppb, 500 ppb, 1000 ppb, 1900 ppb, 3000 ppb, and 5000 ppb. The 7.2 ppb lines were created because it represents the current EGLE Part 201 generic residential cleanup criterion (GRCC). The 85 ppb lines were created to represent the Consent Judgement 3 (CJ3) drinking water criteria. The 280 ppb lines were created because that is the new EGLE groundwater-surface water interface (GSI) criterion, and 1900 ppb is the Vapor Intrusion criteria. EGLE is contouring the 3 ppb level as this is the trigger for response if detected in sentinel wells in the 4th Consent Judgment.This is the latest version of the Dioxane Plume data. An earlier vintage is available at:Gelman Site of 1,4-Dioxane Contamination - Dioxane Plume Map (2020 Data).This data is used in theGelman Site of 1,4-Dioxane Contamination web map(item details).If you have questions regarding the Gelman Sciences, Inc site of contamination contact Chris Svoboda at 517-256-2849 or svobodac@michigan.gov.Report problems or data functionality suggestions toEGLE-Maps@Michigan.gov.
Creator
Michigan Dept. of Environment, Great Lakes, and Energy
Temporal Coverage
2023
Date Issued
2024-03-12
Rights
This application or dataset, along with any maps, data, content and other information contained within it and all output from the application (together the “Information”), is provided as a public service, and there are no restrictions on the use, reproduction, or distribution of the Information.  It is your responsibility to use the Information for a legally permissible purpose.  This Information is provided “AS IS” and on an “AS AVAILABLE” basis. The State of Michigan (“State”) makes no warranties, express or implied, regarding the accuracy, adequacy, reliability, timeliness, or completeness of this Information. THE STATE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS INFORMATION, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT OF PROPRIETARY RIGHTS. THE STATE WILL NOT BE LIABLE, REGARDLESS OF THE FORM OF ACTION, WHETHER IN CONTRACT, TORT, NEGLIGENCE, STRICT LIABILITY OR BY STATUTE OR OTHERWISE, FOR ANY CLAIM FOR CONSEQUENTIAL, INCIDENTAL, INDIRECT, OR SPECIAL DAMAGES, INCLUDING WITHOUT LIMITATION LOST PROFITS AND LOST BUSINESS OPPORTUNITIES, RELATED TO THE ACCESS OR USE OF THIS INFORMATION. IN NO EVENT WILL THE STATE BE LIABLE FOR ANY AMOUNTS THAT MAY RESULT FROM THE ACCESS OR USE OF THIS INFORMATION, REGARDLESS OF THE FORM OF ACTION, WHETHER IN CONTRACT, TORT, NEGLIGENCE, STRICT LIABILITY, OR BY STATUTE OR OTHERWISE. By accessing or using this Information, you agree that you will not make any claims against the State or any of its departments, divisions, officers, or employees related to your use of the Information.  These terms are governed by and interpreted under the laws of the State of Michigan without regard to conflict of laws provisions. Nothing in these terms is meant to impact or replace any existing rights or licenses, such as copyright, trademark, or patent protections, in materials or content that may be located on the site or portal containing the Information.
Access Rights
Public
Format
File
Language
English
Date Added
December 20, 2024

Links

Cite and Reference

  • Citation
    Michigan Dept. of Environment, Great Lakes, and Energy (2024). Gelman Site of 1,4-Dioxane Contamination - Dioxane Plume ( Data) [Michigan] {2023}. . https://gis-michigan.opendata.arcgis.com/maps/egle::gelman-site-of-14-dioxane-contamination-dioxane-plume-2023-data (web service)
  • BTAA Geoportal Link

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