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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 Tesoro Los Angeles Refinery-Carson Operations (TRI ID 90749RCPRD1801E) 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 6,420 20,940 27,360 0 . . 0 . . . 0 . . 0 76 76 27,436 . . . . . . . . . . . . . . . . . . . . 27,436
2 1996 7,617 14,617 22,234 0 0 0 0 0 0 0 0 . . 0 0 0 22,234 . . . . . . . . . . . . . . . . . . . . 22,234
3 1997 6,108 12,727 18,835 0 0 0 0 0 0 0 0 . . 0 0 0 18,835 . . . . . . . . . . . . . . . . . . . . 18,835

TRI On-site and Off-site Reported Disposed of or Otherwise Released (in pounds), Trend Report for facilities in Tesoro Los Angeles Refinery-Carson Operations (TRI ID 90749RCPRD1801E) 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 2,952 13,082 16,034 0 0 0 0 0 0 0 0 . . 0 14 14 16,048 . . . . . . . . . . . . . . . . . 5 . 5 16,053
2 1999 2,137 10,432 12,569 423 0 0 0 0 0 0 0 . . 0 948 948 13,940 . . . . . . . . . . . . . . . . . . . . 13,940
3 2000 2,542 9,983 12,525 202 0 0 0 0 0 0 0 . . 0 50 50 12,777 . . . . . . . . . . . . . . . . . 0 . 0 12,777
4 2001 2,481 14,417 16,898 26 0 0 0 0 0 0 0 . . 0 4 4 16,928 . . . . . . . . . . . . . 25 . . . 5 . 30 16,958
5 2002 2,577 14,412 16,989 0 0 0 0 0 0 0 0 . . 0 108 108 17,097 . . . . . . . 0 5 . . . . 5 . . . 0 . 5 17,102
6 2003 3,900 10,460 14,360 0 0 0 0 0 0 0 0 0 0 0 0 0 14,360 . . . . . . . 11 . . . . . 11 . . . . . 11 14,371
7 2004 3,946 13,554 17,500 0 0 0 0 0 0 0 0 0 0 0 0 0 17,500 . . . . . . . 0 . . . . . 0 . . . 5 . 5 17,505
8 2005 5,322 8,288 13,610 0 0 0 0 0 0 0 0 0 0 0 1 1 13,611 . . . . . . . 7 . . . . . 7 . . . . . 7 13,618
9 2006 6,607 12,095 18,702 0 0 0 0 0 0 0 0 0 0 0 230 230 18,932 . . . . . . . 2 . . . . . 2 . . . . . 2 18,934
10 2007 6,193 8,879 15,072 0 0 0 0 0 0 0 0 0 0 0 0 0 15,072 . . . . . . . 9 887 . . . . 896 . . . . . 896 15,968
11 2008 4,596 9,599 14,195 0 0 0 0 0 0 0 0 0 0 0 0 0 14,195 . . . . . . . 544 1,331 . . . . 1,875 . . . . . 1,875 16,070
12 2009 4,102 11,560 15,662 0 0 0 0 0 0 0 0 0 0 0 0 0 15,662 . . . . . . . 6 338 . . . . 344 . . . . . 344 16,006
13 2010 5,100 10,805 15,905 0 0 0 0 0 0 0 0 0 0 0 0 0 15,905 . . . . . . . 1 761 . . . . 762 . . . . . 762 16,667
14 2011 4,068 10,065 14,133 0 0 0 0 0 0 0 0 0 0 0 0 0 14,133 . . . . . . . . 34 . . . . 34 . . . . . 34 14,167
15 2012 3,517 8,597 12,114 0 0 0 0 0 0 0 0 0 0 0 0 0 12,114 . . . . . . . 594 184 . . . . 778 . . . . . 778 12,892
16 2013 8,383 2,869 11,252 0 0 0 0 0 0 0 0 0 0 0 0 0 11,252 . . . . . . . 230 . . . . . 230 . . 0 . . 230 11,482
17 2014 8,101 2,627 10,728 0 0 0 0 0 0 0 0 0 0 0 0 0 10,728 . . . . . . 2,048 705 . 348 . . . 1,053 . . 580 . . 3,681 14,409
18 2015 7,231 2,515 9,746 0 0 0 0 0 0 0 0 0 0 0 0 0 9,746 . . . . . . 1,630 44 . 277 . . . 321 . . 690 . . 2,641 12,387
19 2016 3,078 7,269 10,347 0 0 0 0 0 0 0 0 0 0 0 0 0 10,347 . . . . . . . 18 . . . . . 18 . . 770 . . 788 11,135
20 2017 3,193 8,343 11,536 1 0 0 0 0 0 0 0 0 0 0 0 0 11,537 . . . . . . . 170 . . . . . 170 . . 270 . . 440 11,977
21 2018 5,093 7,491 12,584 2 0 0 0 0 0 0 0 0 0 0 0 0 12,586 . . . . . . . 78 43 . . . . 121 . . 71 36 . 228 12,814
22 2019 2,749 5,481 8,230 2 0 0 0 0 0 0 0 0 0 0 0 0 8,232 . . . . . . 2 1 29 0 . . . 30 . . . 97 . 129 8,361
23 2020 2,488 7,250 9,738 0 0 0 0 0 0 0 0 0 0 0 0 0 9,738 . . . . . . 1 . . 0 . . . 0 . . . . . 1 9,739
24 2021 1,281 4,675 5,956 0 0 0 0 0 0 0 0 0 0 0 0 0 5,956 . . . . . . . 110 4 . . . . 114 . . . 4 . 118 6,074
25 2022 2,545 7,275 9,820 0 0 0 0 0 0 0 0 0 0 0 0 0 9,820 . . . . . . . 142 . . . . . 142 . . . 1 . 143 9,963

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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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