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Data Source: 2017 Updated Dataset (released April 2019) 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 Century Aluminum Sebree Llc (TRI ID 42420LCNNGKENTU) for HYDROGEN FLUORIDE chemical, U.S. 1988-1997
Are year to year changes comparable?
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 POTWs (Metal and Metal Compounds)  View Trend Graphic Off-Site Disposal-RCRA Subtitle C Landfills  View Trend Graphic Off-Site Disposal-Other 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 1988 0 85,963 85,963 0 . . 0 . . 0 0 . . 0 0 0 85,963 . . . . . . . . . . . . . . . . . . . 85,963
2 1989 0 113,000 113,000 0 . . 0 . . 0 0 . . 0 0 0 113,000 . . . . . . . . . . . . . . . . . . . 113,000
3 1990 0 102,830 102,830 0 . . 0 . . 0 0 . . 0 0 0 102,830 . . . . . . . . . . . . . . . . . . . 102,830
4 1991 0 95,760 95,760 0 . . 0 . . 0 0 . . 0 0 0 95,760 . . . . . . . . . . . . . . . . . . . 95,760
5 1992 0 95,760 95,760 0 . . 0 . . 0 0 . . 0 0 0 95,760 . . . . . . . . . . . . . . . . . . . 95,760
6 1993 0 133,246 133,246 0 . . 0 . . 0 0 . . 0 0 0 133,246 . . . . . . . . . . . . . . . . . . . 133,246
7 1994 0 103,320 103,320 0 . . 0 . . . 0 . . 0 0 0 103,320 . . . . . . . . . . . . . . . . . . . 103,320
8 1995 0 113,400 113,400 0 . . 0 . . . 0 . . 0 0 0 113,400 . . . . . . . . . . . . . . . . . . . 113,400
9 1996 0 88,620 88,620 0 0 0 0 0 0 0 0 . . 0 0 0 88,620 . . . . . . . . . . . . . . . . . . . 88,620
10 1997 0 74,130 74,130 0 0 0 0 0 0 0 0 . . 0 0 0 74,130 . . . . . . . . . . . . . . . . . . . 74,130

TRI On-site and Off-site Reported Disposed of or Otherwise Released (in pounds), Trend Report for facilities in Century Aluminum Sebree Llc (TRI ID 42420LCNNGKENTU) for HYDROGEN FLUORIDE chemical, U.S. 1998-2017
Are year to year changes comparable?
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 POTWs (Metal and Metal Compounds)  View Trend Graphic Off-Site Disposal-RCRA Subtitle C Landfills  View Trend Graphic Off-Site Disposal-Other 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 0 100,617 100,617 0 0 0 0 0 0 0 0 . . 0 0 0 100,617 . . . . . . . . . . . . . . . . . . . 100,617
2 1999 67 61,227 61,294 0 0 0 0 0 0 0 0 . . 0 0 0 61,294 . . . . . . . . . . . . . . . . . . . 61,294
3 2000 48 87,877 87,925 0 0 0 0 0 0 0 0 . . 0 0 0 87,925 . . . . . . . . . . . . . . . . . . . 87,925
4 2001 143 94,356 94,499 0 0 0 0 0 0 0 0 . . 0 0 0 94,499 . . . . . . . . . . . . . . . . . . . 94,499
5 2002 146 99,272 99,418 0 0 0 0 0 0 0 0 . . 0 0 0 99,418 . . . . . . . . . . . . . . . . . . . 99,418
6 2003 54 98,452 98,506 0 0 0 0 0 0 0 0 0 0 0 0 0 98,506 . . . . . . . . . . . . . . . . . . . 98,506
7 2004 56 116,141 116,197 0 0 0 0 0 0 0 0 0 0 0 0 0 116,197 . . . . . . . . . . . . . . . . . . . 116,197
8 2005 56 120,204 120,260 0 0 0 0 0 0 0 0 0 0 0 0 0 120,260 . . . . . . . . . . . . . . . . . . . 120,260
9 2006 44 113,165 113,209 0 0 0 0 0 0 0 0 0 0 0 0 0 113,209 . . . . . . . . . . . . . . . . . . . 113,209
10 2007 77 121,535 121,612 0 0 0 0 0 0 0 0 0 0 0 0 0 121,612 . . . . . . . . . . . . . . . . . . . 121,612
11 2008 184 71,904 72,088 0 0 0 0 0 0 0 0 0 0 0 0 0 72,088 . . . . . . . . . . . . . . . . . . . 72,088
12 2009 17 100,073 100,090 0 0 0 0 0 0 0 0 0 0 0 0 0 100,090 . . . . . . . . . . . . . . . . . . . 100,090
13 2010 18 131,705 131,723 0 0 0 0 0 0 0 0 0 0 0 0 0 131,723 . . . . . . . . . . . . . . . . . . . 131,723
14 2011 131 130,463 130,594 0 0 0 0 0 0 0 0 0 0 0 0 0 130,594 . . . . . . . . . . . . . . . . . . . 130,594
15 2012 131 147,836 147,967 0 0 0 0 0 0 0 0 0 0 0 0 0 147,967 . . . . . . . . . . . . . . . . . . . 147,967
16 2013 864 179,710 180,574 0 0 0 0 0 0 0 0 0 0 0 0 0 180,574 . . . . . . . . . . . . . . . . . . . 180,574
17 2014 91 200,262 200,353 0 0 0 0 0 0 0 0 0 0 0 0 0 200,353 . . . . . . . . . . . . . . . . . . . 200,353
18 2015 61 167,884 167,945 0 0 0 0 0 0 0 0 0 0 0 0 0 167,945 . . . . . . . . . . . . . . . . . . . 167,945
19 2016 159 216,563 216,722 0 0 0 0 0 0 0 0 0 0 0 0 0 216,722 . . . . . . . . . . . . . . . . . . . 216,722
20 2017 516 220,199 220,715 0 0 0 0 0 0 0 0 0 0 0 0 0 220,715 . . . . . . . . . . . . . . . . . . . 220,715

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Note: Reporting year (RY) 2017 is the most recent TRI data year 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 2017 data set (released to the public in April 2019). This dataset includes revisions for the years 1988 to 2017 processed by EPA, 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. (2019). TRI Explorer (2017 Updated Dataset (released April 2019) ) [Internet database]. Retrieved from https://www.epa.gov/triexplorer, (September21, 2019).

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