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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 Exxonmobil Baytown Chemical Plant (Part) (TRI ID 77522XXNCH5000B) for N-HEXANE chemical, U.S. 1995-1997
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 1995 18,000 22,000 40,000 0 . . 0 . . . 0 . . 0 0 0 40,000 . . . . . . . . . . . . . . . . . . . 40,000
2 1996 21,000 10,000 31,000 0 0 0 0 0 0 0 0 . . 0 0 0 31,000 160 . . . . . . . . . . . . . . . . . 160 31,160
3 1997 51,350 49,335 100,685 0 0 0 0 0 0 0 0 . . 0 0 0 100,685 5,769 . . . . . . . . . . . . . 3,730 . 1,528 . 11,027 111,712

TRI On-site and Off-site Reported Disposed of or Otherwise Released (in pounds), Trend Report for facilities in Exxonmobil Baytown Chemical Plant (Part) (TRI ID 77522XXNCH5000B) for N-HEXANE 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 52,605 47,880 100,485 0 0 0 0 0 0 0 0 . . 0 0 0 100,485 41,159 . . . . . . . . . . . . . . . 18,393 . 59,552 160,037
2 1999 86,445 35,515 121,960 0 0 0 0 0 0 0 0 . . 0 0 0 121,960 541 . . . . . . . . . . . . . . . . . 541 122,501
3 2000 38,635 37,911 76,546 0 0 0 0 0 0 0 0 . . 0 0 0 76,546 435 . . . . . . . . . . . . . . . . . 435 76,981
4 2001 30,065 29,782 59,847 0 0 0 0 0 0 0 0 . . 0 0 0 59,847 0 . . . . . . . . . . . . . . . . . 0 59,847
5 2002 27,870 38,215 66,085 0 0 0 0 0 0 0 0 . . 0 0 0 66,085 . . . . . . . . . . . . . . . . . . . 66,085
6 2003 82,784 57,775 140,559 0 0 0 0 0 0 0 0 0 0 0 0 0 140,559 . . . . . . . . . . . . . . . . 18 . 18 140,577
7 2004 59,507 94,174 153,681 0 0 0 0 0 0 0 0 0 0 0 0 0 153,681 . . . . . . . . . . . . . . . . 0 . 0 153,681
8 2005 24,693 105,027 129,720 0 0 0 0 0 0 0 0 0 0 0 0 0 129,720 . . . . . . . . . . . . . . . . . . . 129,720
9 2006 15,031 121,284 136,315 0 0 0 0 0 0 0 0 0 0 0 0 0 136,315 . . . . . . . . . . . . . . . . . . . 136,315
10 2007 9,300 118,618 127,918 0 0 0 0 0 0 0 0 0 0 0 0 0 127,918 . . . . . . . . . . . . . . . . . . . 127,918
11 2008 7,500 106,000 113,500 0 0 0 0 0 0 0 0 0 0 0 0 0 113,500 . . . . . . . . . . . . . . . . . . . 113,500
12 2009 101,000 72,500 173,500 0 0 0 0 0 0 0 0 0 0 0 0 0 173,500 . . . . . . . . . . . . . . . . . . . 173,500
13 2010 110,500 60,700 171,200 0 0 0 0 0 0 0 0 0 0 0 0 0 171,200 . . . . . . . . . . . . . . . . . . . 171,200
14 2011 125,276 60,620 185,896 0 0 0 0 0 0 0 0 0 0 0 0 0 185,896 . . . . . . . . . . . . . . . . . . . 185,896
15 2012 32,000 160,000 192,000 0 0 0 0 0 0 0 0 0 0 0 0 0 192,000 . . . . . . . . . . . . . . . . . . . 192,000
16 2013 32,000 150,000 182,000 0 0 0 0 0 0 0 0 0 0 0 0 0 182,000 . . . . . . . . . . . . . . . . . . . 182,000
17 2014 34,591 151,358 185,949 0 0 0 0 0 0 0 0 0 0 0 0 0 185,949 . . . . . . . . . . . . . . . . . . . 185,949
18 2015 30,000 110,000 140,000 0 0 0 0 0 0 0 0 0 0 0 0 0 140,000 . . . . . . . . . . . . . . . . . . . 140,000
19 2016 33,000 160,000 193,000 0 0 0 0 0 0 0 0 0 0 0 0 0 193,000 . . . . . . . . . . . . . . . . . . . 193,000
20 2017 31,000 150,000 181,000 0 0 0 0 0 0 0 0 0 0 0 0 0 181,000 . . . . . . . . . . . . . . . . . . . 181,000

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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, (September20, 2019).

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