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Data Source: 2022 Dataset (released October 2023) 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 Shell Norco Chemical Plant (TRI ID 70079SHLLL1205R) 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 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 1995 11,000 54,000 65,000 7 . . 0 . . . 0 . . 0 1 1 65,008 . . . . . . . . . . . . . . . . . . . . 65,008
2 1996 11,000 37,000 48,000 0 0 0 0 0 0 0 0 . . 0 11,000 11,000 59,000 . . . . . . . . . . . . . . . . . . . . 59,000
3 1997 11,000 45,000 56,000 0 0 0 0 0 0 0 0 . . 0 87 87 56,087 . . . . . . . . . . . . . . . . . . . . 56,087

TRI On-site and Off-site Reported Disposed of or Otherwise Released (in pounds), Trend Report for facilities in Shell Norco Chemical Plant (TRI ID 70079SHLLL1205R) for n-Hexane chemical, U.S. 1998-2022
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 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 40,200 84,000 124,200 1 0 0 0 0 0 0 0 . . 0 65 65 124,266 . . . . . . . . . . . . . . . . . . . . 124,266
2 1999 17,200 64,800 82,000 14 0 0 0 0 550 550 0 . . 0 78 628 82,642 . . . . . . . . . . . . . . . . . . . . 82,642
3 2000 15,000 57,000 72,000 0 0 0 0 0 64 64 0 . . 0 0 64 72,064 . . . . . . . . . . . . . 2,200 . . . . . 2,200 74,264
4 2001 12,830 43,226 56,056 0 0 0 0 0 68 68 0 . . 0 0 68 56,124 . . . . . . . . . . . . . . . . . . . . 56,124
5 2002 5,769 17,500 23,269 0 0 0 0 0 0 0 0 . . 0 16 16 23,285 . . . . . . . . . . . . . . . . . . . . 23,285
6 2003 8,932 16,976 25,908 0 0 0 0 0 0 0 0 0 0 0 120 120 26,028 . . . . . . . . . . . . . . . . . . . . 26,028
7 2004 8,448 21,641 30,089 0 0 0 0 0 0 0 0 0 0 0 12 12 30,101 . . . . . . . . . . . . . . . . . . . . 30,101
8 2005 6,745 68,585 75,330 0 0 0 0 0 0 0 0 0 0 0 0 0 75,330 . . . . . . . . . . . . . . . . . . . . 75,330
9 2006 16,637 26,673 43,310 0 0 0 0 0 0 0 0 0 0 0 91 91 43,401 . . . . . . . . . . . . . . . . . . . . 43,401
10 2007 12,865 47,518 60,383 0 0 0 0 0 0 0 0 0 0 0 1,716 1,716 62,099 . . . . . . . . . . . . . . . . . . . . 62,099
11 2008 28,503 37,175 65,678 0 0 0 0 0 0 0 0 0 0 0 116 116 65,794 . . . . . . . . . . . . . . . . . . . . 65,794
12 2009 17,696 33,824 51,520 0 0 0 0 0 0 0 0 0 0 0 0 0 51,520 . . . . . . . . . . . . . . . . . . . . 51,520
13 2010 20,412 12,742 33,154 138 0 0 0 0 0 0 0 0 0 0 9,238 9,238 42,530 . . . . . . . . . . . . . . . . . . . . 42,530
14 2011 14,505 12,551 27,056 0 0 0 0 0 0 0 0 0 0 0 18 18 27,074 . . . . . . . . . . . . . . . . . . . . 27,074
15 2012 19,127 9,207 28,334 0 0 0 0 0 0 0 0 0 0 0 0 0 28,334 . . . . . . . . . . . . . . . . . . . . 28,334
16 2013 16,251 16,606 32,857 0 0 0 0 0 0 0 0 0 0 0 518 518 33,375 . . . . . . . . . . . . . . . . . . . . 33,375
17 2014 8,293 28,458 36,751 0 0 0 0 0 0 0 0 0 0 0 0 0 36,751 . . . . . . . . . . . . . . . . . . . . 36,751
18 2015 8,370 54,897 63,267 0 0 0 0 0 0 0 0 0 0 0 17 17 63,284 . . . . . . . . . . . . . . . . . . . . 63,284
19 2016 22,688 34,143 56,831 0 0 0 0 0 0 0 0 0 0 0 0 0 56,831 . . . . . . . . . . . . . . . . . . . . 56,831
20 2017 20,317 26,478 46,795 0 0 0 0 0 0 0 0 0 0 0 0 0 46,795 . . . . . . . . . . . . . . . . . . . . 46,795
21 2018 23,029 30,964 53,993 0 0 0 0 0 0 0 0 0 0 0 0 0 53,993 . . . . . . . . . . . . . . . . . . . . 53,993
22 2019 5,645 13,028 18,673 0 0 0 0 0 0 0 0 0 0 0 0 0 18,673 . . . . . . . . . . . . . . . . . . . . 18,673
23 2020 17,218 24,436 41,654 0 0 0 0 0 0 0 0 0 0 0 0 0 41,654 . . . . . . . . . . . . . . . . . . . . 41,654
24 2021 10,347 7,629 17,976 0 0 0 0 0 0 0 0 0 0 0 483 483 18,459 . . . . . . . . . . . . . . . . . . . . 18,459
25 2022 4,912 8,763 13,675 0 0 0 0 0 0 0 0 0 0 0 0 0 13,675 . . . . . . . . . . . . . . . . . . . . 13,675

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Note: Reporting year (RY) 2022 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 the 2022 Dataset (released October 2023). This dataset includes revisions for the years 1988 to 2022 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. (2024). TRI Explorer (2022 Dataset (released October 2023)) [Internet database]. Retrieved from https://enviro.epa.gov/triexplorer/, (March 29, 2024).

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