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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 Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) chemical, U.S. 1988-1993
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 1988 0 6,000 6,000 0 . . 0 . . 0 0 . . 0 0 0 6,000 . . . . . . . . . . . . . . . . . . . . 6,000
2 1989 0 6,000 6,000 0 . . 0 . . 0 0 . . 0 250 250 6,250 . . . . . . . . . . . . . . . . . . . . 6,250
3 1990 0 36,000 36,000 0 . . 0 . . 0 0 . . 0 8 8 36,008 . . . . . . . . . . . . . . . . . . . . 36,008
4 1991 0 36,000 36,000 590 . . 0 . . 0 0 . . 0 1,500 1,500 38,090 . . . . . . . . . . . . . . . . . . . . 38,090
5 1992 5,800 55,000 60,800 690 . . 0 . . . 0 . . 0 8 8 61,498 . . . . . . . . . . . . . . . . . . . . 61,498
6 1993 5,500 41,000 46,500 760 . . 0 . . 0 0 . . 0 26,000 26,000 73,260 . . . . . . . . . . . . . . . . . . . . 73,260

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 Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) chemical, U.S. 1994-1997
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 1994 6,500 41,000 47,500 0 . . 0 . . 0 0 . . 0 0 0 47,500 . . . . . . . . . . . . . . . . . . . . 47,500
2 1995 1,600 41,000 42,600 330 . . 0 . . . 0 . . 0 2,100 2,100 45,030 . . . . . . . . . . . . . . . . . . . . 45,030
3 1996 1,600 41,000 42,600 0 0 0 0 0 0 0 0 . . 0 410 410 43,010 . . . . . . . . . . . . . . . . . . . . 43,010
4 1997 3,600 40,000 43,600 0 0 0 0 0 0 0 0 . . 0 760 760 44,360 . . . . . . . . . . . . . . . . . . . . 44,360

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 Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) 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 6,600 22,300 28,900 620 0 0 0 0 0 0 0 . . 0 330 330 29,850 . . . . . . . . . . . . . . . . . . . . 29,850
2 1999 15,700 16,000 31,700 0 0 0 0 0 0 0 0 . . 0 0 0 31,700 . . . . . . . . . . . . . . . . . . . . 31,700
3 2000 16,000 19,000 35,000 0 0 0 0 0 100 100 0 . . 0 0 100 35,100 . . . . . . . . . . . . . . . . . . . . 35,100
4 2001 17,000 150,000 167,000 0 0 0 0 0 200 200 0 . . 0 0 200 167,200 . . . . . . . . . . . . . . . . . . . . 167,200
5 2002 980 150,000 150,980 40 0 0 0 0 0 0 0 . . 0 0 0 151,020 . . . . . . . . . . . . . . . . . . . . 151,020
6 2003 2,462 153,425 155,887 0 0 0 0 0 0 0 0 0 0 0 0 0 155,887 . . . . . . . . . . . . . . . . . . . . 155,887
7 2004 2,290 154,052 156,342 0 0 0 0 0 0 0 0 0 0 0 0 0 156,342 . . . . . . . . . . . . . . . . . . . . 156,342
8 2005 1,479 151,767 153,246 0 0 0 0 0 598 598 0 0 0 0 0 598 153,844 . . . . . . . . . . . . . . . . . . . . 153,844
9 2006 1,132 152,255 153,387 0 0 0 0 0 0 0 0 0 0 0 0 0 153,387 . . . . . . . . . . . . . . . . . . . . 153,387
10 2007 4,282 152,759 157,041 0 0 0 0 0 0 0 0 0 0 0 0 0 157,041 . . . . . . . . . . . . . . . . . . . . 157,041
11 2008 1,559 139,659 141,218 0 0 0 0 0 0 0 0 0 0 0 0 0 141,218 . . . . . . . . . . . . . . . . . . . . 141,218
12 2009 7,342 149,065 156,407 0 0 0 0 0 0 0 0 0 0 0 0 0 156,407 . . . . . . . . . . . . . . . . . . . . 156,407
13 2010 640 151,986 152,626 0 0 0 0 0 0 0 0 0 0 0 0 0 152,626 . . . . . . . . . . . . . . . . . . . . 152,626
14 2011 243 151,986 152,229 0 0 0 0 0 0 0 0 0 0 0 0 0 152,229 . . . . . . . . . . . . . . . . . . . . 152,229
15 2012 549 151,986 152,535 0 0 0 0 0 0 0 0 0 0 0 0 0 152,535 . . . . . . . . . . . . . . . . . . . . 152,535
16 2013 278 152,228 152,506 0 0 0 0 0 0 0 0 0 0 0 0 0 152,506 . . . . . . . . . . . . . . . . . . . . 152,506
17 2014 0 152,579 152,579 0 0 0 0 0 0 0 0 0 0 0 0 0 152,579 . . . . . . . . . . . . . . . . . . . . 152,579
18 2015 127 152,147 152,274 0 0 0 0 0 0 0 0 0 0 0 0 0 152,274 . . . . . . . . . . . . . . . . . . . . 152,274
19 2016 117 152,419 152,536 0 0 0 0 0 0 0 0 0 0 0 0 0 152,536 . . . . . . . . . . . . . . . . . . . . 152,536
20 2017 123 152,426 152,549 0 0 0 0 0 0 0 0 0 0 0 0 0 152,549 . . . . . . . . . . . . . . . . . . . . 152,549
21 2018 199 152,426 152,624 0 0 0 0 0 0 0 0 0 0 0 0 0 152,624 . . . . . . . . . . . . . . . . . . . . 152,624
22 2019 0 152,551 152,551 0 0 0 0 0 0 0 0 0 0 0 0 0 152,551 . . . . . . . . . . . . . . . . . . . . 152,551
23 2020 199 152,425 152,624 0 0 0 0 0 0 0 0 0 0 0 0 0 152,624 . . . . . . . . . . . . . . . . . . . . 152,624
24 2021 35 6,863 6,898 0 0 0 0 0 0 0 0 0 0 0 0 0 6,898 . . . . . . . . . . . . . . . . . . . . 6,898
25 2022 20 11,547 11,567 0 0 0 0 0 0 0 0 0 0 0 0 0 11,567 . . . . . . . . . . . . . . . . . . . . 11,567

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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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