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Data Source: 2020 Updated Dataset (released May 2022) See Note     Instructions for printing wide reports




TRI On-site and Off-site Reported Disposed of or Otherwise Released (in pounds), Trend Report for facilities in Big Brown Steam Electric Station & Lignite Mine (TRI ID 75840BGBRW11MIE) for Hydrogen fluoride chemical, U.S. 1998-2018
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Row #  Year  Fugitive Air  View Trend Graphic Stack Air  View Trend Graphic Total Air Emissions  View Trend Graphic Surface Water Discharges  View Trend Graphic Underground Injection Class I Wells  View Trend Graphic Underground Injection Class II-V Wells  View Trend Graphic Total Underground Injection  View Trend Graphic RCRA Subtitle C Landfills  View Trend Graphic Other Landfills  View Trend Graphic Total Landfills  View Trend Graphic Land Treatment/Application Farming  View Trend Graphic RCRA Subtitle C Surface Impoundment  View Trend Graphic Other Surface Impoundments  View Trend Graphic Total Surface Impoundments  View Trend Graphic Other Land Disposal  View Trend Graphic Total On-site Releases to Land  View Trend Graphic Total On-site Disposal or Other Releases  View Trend Graphic Off-Site Disposal-Storage Only  View Trend Graphic Off-Site Disposal-Solidification/Stabilization (metals only)  View Trend Graphic Off-Site Disposal-Wastewater Treatment-Metals Only  View Trend Graphic Off-Site Disposal-Underground Injection Class I Wells  View Trend Graphic Off-Site Disposal-Underground Injection Class II-V Wells  View Trend Graphic Total Off-Site Disposal-Underground Injection  View Trend Graphic POTW Transfers - Other Releases  View Trend Graphic Off-Site Disposal-RCRA Subtitle C Landfills  View Trend Graphic Off-Site Disposal-Other Landfills  View Trend Graphic POTW Transfers - Releases to Class I UI Wells and Landfills  View Trend Graphic Off-Site Disposal-RCRA Subtitle C Surface Impoundments  View Trend Graphic Off-Site Disposal-Other Surface Impoundments  View Trend Graphic Total Off-Site Disposal-Surface Impoundments  View Trend Graphic Total Off-Site Disposal-Landfill/Surface Impoundments  View Trend Graphic Off-Site Disposal-Land Treatment  View Trend Graphic Off-Site Disposal-Other Land Disposal  View Trend Graphic Off-Site Disposal-Other Off-site Management  View Trend Graphic Off-Site Disposal-Waste Broker  View Trend Graphic Off-Site Disposal-Unknown  View Trend Graphic Total Off-site Disposal or Other Releases  View Trend Graphic Total On- and Off-site Disposal or Other Releases  View Trend Graphic
 
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1 1998 390 44,720 45,110 0 0 0 0 0 0 0 0 . . 0 0 0 45,110 . . . . . . . . . . . . . . . . . . . . 45,110
2 1999 480 45,356 45,836 0 0 0 0 0 0 0 0 . . 0 0 0 45,836 . . . . . . . . . . . . . . . . . . . . 45,836
3 2000 0 289,134 289,134 0 0 0 0 0 0 0 0 . . 0 0 0 289,134 . . . . . . . . . . . . . . . . . . . . 289,134
4 2001 0 245,226 245,226 0 0 0 0 0 0 0 0 . . 0 0 0 245,226 . . . . . . . . . . . . . . . . . . . . 245,226
5 2002 0 102,917 102,917 0 0 0 0 0 0 0 0 . . 0 0 0 102,917 . . . . . . . . . . . . . . . . . . . . 102,917
6 2003 0 256,521 256,521 0 0 0 0 0 0 0 0 0 0 0 0 0 256,521 . . . . . . . . . . . . . . . . . . . . 256,521
7 2004 0 280,870 280,870 0 0 0 0 0 0 0 0 0 0 0 0 0 280,870 . . . . . . . . . . . . . . . . . . . . 280,870
8 2005 0 235,453 235,453 0 0 0 0 0 0 0 0 0 0 0 0 0 235,453 . . . . . . . . . . . . . . . . . . . . 235,453
9 2006 0 238,239 238,239 0 0 0 0 0 0 0 0 0 0 0 0 0 238,239 . . . . . . . . . . . . . . . . . . . . 238,239
10 2007 0 292,686 292,686 0 0 0 0 0 0 0 0 0 0 0 0 0 292,686 . . . . . . . . . . . . . . . . . . . . 292,686
11 2008 0 352,242 352,242 0 0 0 0 0 0 0 0 0 0 0 0 0 352,242 . . . . . . . . . . . . . . . . . . . . 352,242
12 2009 0 335,875 335,875 0 0 0 0 0 0 0 0 0 0 0 0 0 335,875 . . . . . . . . . . . . . . . . . . . . 335,875
13 2010 0 421,427 421,427 0 0 0 0 0 0 0 0 0 0 0 0 0 421,427 . . . . . . . . . . . . . . . . . . . . 421,427
14 2011 0 306,965 306,965 0 0 0 0 0 0 0 0 0 0 0 0 0 306,965 . . . . . . . . . . . . . . . . . . . . 306,965
15 2012 0 315,197 315,197 0 0 0 0 0 0 0 0 0 0 0 0 0 315,197 . . . . . . . . . . . . . . . . . . . . 315,197
16 2013 0 361,621 361,621 0 0 0 0 0 0 0 0 0 0 0 0 0 361,621 . . . . . . . . . . . . . . . . . . . . 361,621
17 2014 0 271,078 271,078 0 0 0 0 0 0 0 0 0 0 0 0 0 271,078 . . . . . . . . . . . . . . . . . . . . 271,078
18 2015 0 460,971 460,971 0 0 0 0 0 0 0 0 0 0 0 0 0 460,971 . . . . . . . . . . . . . . . . . . . . 460,971
19 2016 0 381,277 381,277 0 0 0 0 0 0 0 0 0 0 0 0 0 381,277 . . . . . . . . . . . . . . . . . . . . 381,277
20 2017 0 517,128 517,128 0 0 0 0 0 0 0 0 0 0 0 0 0 517,128 . . . . . . . . . . . . . . . . . . . . 517,128
21 2018 0 48,403 48,403 0 0 0 0 0 0 0 0 0 0 0 0 0 48,403 . . . . . . . . . . . . . . . . . . . . 48,403

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Note: Reporting year (RY) 2020 is the most recent TRI data available. Facilities reporting to TRI were required to submit their data to EPA by July 1 for the previous calendar year's activities. TRI Explorer is using an updated data set (released to the public in May 2022). This dataset includes revisions for the years 1988 to 2020 processed by EPA, after the National Analysis Dataset was released. Revisions submitted to EPA after this time are not reflected in TRI Explorer reports. TRI data may also be obtained through EPA Envirofacts.

Users of TRI information should be aware that TRI data reflect releases and other waste management activities of chemicals, not whether (or to what degree) the public has been exposed to those chemicals. Release estimates alone are not sufficient to determine exposure or to calculate potential adverse effects on human health and the environment. TRI data, in conjunction with other information, can be used as a starting point in evaluating exposures that may result from releases and other waste management activities which involve toxic chemicals. The determination of potential risk depends upon many factors, including the toxicity of the chemical, the fate of the chemical, and the amount and duration of human or other exposure to the chemical after it is released.

Off-site disposal or other releases show only net off-site disposal or other releases, that is, off-site disposal or other releases transferred to other TRI facilities reporting such transfers as on-site disposal or other releases are not included to avoid double counting.

On-site Disposal or Other Releases include Underground Injection to Class I Wells (Section 5.4.1), RCRA Subtitle C Landfills (5.5.1A), Other Landfills (5.5.1B), Fugitive or Non-point Air Emissions (5.1), Stack or Point Air Emissions (5.2), Surface Water Discharges (5.3), Underground Injection to Class II-V Wells (5.4.2), Land Treatment/Application Farming (5.5.2), RCRA Subtitle C Surface Impoundments (5.5.3A), Other Surface Impoundments (5.5.3B), and Other Land Disposal (5.5.4). Off-site Disposal or Other Releases include from Section 6.2 Class I Underground Injection Wells (M81), Class II-V Underground Injection Wells (M82, M71), RCRA Subtitle C Landfills (M65), Other Landfills (M64, M72), Storage Only (M10), Solidification/Stabilization - Metals and Metal Category Compounds only (M41 or M40), Wastewater Treatment (excluding POTWs) - Metals and Metal Category Compounds only (M62 or M61), RCRA Subtitle C Surface Impoundments (M66), Other Surface Impoundments (M67, M63), Land Treatment (M73), Other Land Disposal (M79), Other Off-site Management (M90), Transfers to Waste Broker - Disposal (M94, M91), and Unknown (M99) and, from Section 6.1 Transfers to POTWs (metals and metal category compounds only).

For purposes of analysis, data reported as Range Code A is calculated using a value of 5 pounds, Range Code B is calculated using a value of 250 pounds and Range Code C is calculated using a value of 750 pounds.

A decimal point, or "." denotes the following: if "NA" is reported across an entire row, the facility submitted a Form A (i.e., the facility certified that its total annual reportable amount is less than 500 pounds, and does not manufacture, process, or otherwise use more than 1 million pounds); or if a decimal point is reported in a single column, the facility left that particular cell blank in its Form R submission (a zero in a cell denotes either that the facility reported "0" or "NA" in its Form R submission). A decimal point is reported in the following columns because the element was not required to be reported for that year (the Form R has been changed over the years to require more detailed reporting for some media): Underground Injection Class I, Underground Injection Class II-V, RCRA Subtitle C Landfills and Other Landfills for the years 1988 to 1995; Off-Site Disposal - RCRA Subtitle C Landfills, Off-Site Disposal - Other Landfills and Off-Site Disposal - Surface Impoundments for the years 1988 to 2001; Other RCRA Subtitle C Surface Impoundments, Other Surface Impoundments, Off-Site Underground Injection Class I Wells, Off-Site Underground Injection Class II-V Wells, Off-Site Disposal - RCRA Subtitle C Surface Impoundments and Off-Site Disposal - Other Surface Impoundments for the years 1988 to 2002.

How to cite TRI Explorer. Following APA Style, 6th edition, an appropriate citation to TRI Explorer is:
United States Environmental Protection Agency. (2022). TRI Explorer (2020 Updated Dataset (released May 2022)) [Internet database]. Retrieved from https://enviro.epa.gov/triexplorer/, (September26, 2022).

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