PERI: Toxic 100 Index

MPLX LP

2020 Greenhouse gas CO2 equivalent emissions (metric tons): 4,343,599
Percentage of national total 2020 GHGRP large fixed source emissions: 0.2%
Percentage of all U.S. greenhouse gas emissions, including transportation and residential: 0.1%
Parent company sectors (in descending order of emissions): Petroleum and Natural Gas Systems
EJ: Poor Share: 11%
EJ: Minority Share: 44%

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This company is rank 35 on the Greenhouse Suppliers 100 list.

Sectors at facilities displayed below: (display facilities) (display sectors)
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(Links on facility names lead to FLIGHT reports. Links on cities lead to Mapquest maps.)

Facility Name	City	State	Sub-Sector	CO2 equivalent emissions (mt)	CO2 emissions (mt)	CH4 emissions (CO2 equivalent mt)	N2O emissions (CO2 equivalent mt)	Biogenic CO2 emissions (mt) ***	Other emissions (CO2 equivalent mt) ****	Percent of total company emissions	Split *	EJ Minority %	EJ Black %	EJ Hispanic %	EJ Poor %	EJ Near Poor %
MarkWest Oklahoma Gas Company L.L.C. - 360 Anadarko Basin - G&B	Denver	CO	Petroleum & Natural Gas Gathering & Boosting	728,838	501,422	227,135	281	0	0	16.78%		44.3%	6.8%	30.7%	11.4%	28.3%
MarkWest Liberty Midstream & Resources L.L.C. - 160A Appalachian Basin (Eastern Overthrust Area) - G&B	Denver	CO	Petroleum & Natural Gas Gathering & Boosting	588,415	570,870	17,205	340	0	0	13.55%		44.3%	6.8%	30.7%	11.4%	28.3%
Hopedale Fractionation Facility	Jewett	OH	Natural Gas Processing	402,204	400,227	1,752	225	0	0	9.26%		5.4%	3.0%	0.3%	13.7%	31.7%
The Ohio Gathering Company L.L.C. - 160A Appalachian Basin (Eastern Overthrust Area) - G&B	Denver	CO	Petroleum & Natural Gas Gathering & Boosting	285,314	267,008	18,132	174	0	0	6.57%		44.3%	6.8%	30.7%	11.4%	28.3%
MarkWest Oklahoma Gas Company L.L.C. - 345 Arkoma Basin - GB	Denver	CO	Petroleum & Natural Gas Gathering & Boosting	270,925	199,040	71,770	115	0	0	6.24%		44.3%	6.8%	30.7%	11.4%	28.3%
MarkWest Energy East Texas Gas Company L.L.C. - 260 East Texas Basin - G&B	Denver	CO	Petroleum & Natural Gas Gathering & Boosting	250,667	176,435	74,132	100	0	0	5.77%		44.3%	6.8%	30.7%	11.4%	28.3%
Sherwood Gas Plant	West Union	WV	Natural Gas Processing	223,876	191,918	31,850	108	0	0	5.15%		5.8%	1.8%	0.7%	11.9%	33.9%
Houston Gas Plant	Washington	PA	Natural Gas Processing	170,630	165,930	4,606	94	0	0	3.93%		9.5%	3.0%	1.6%	6.3%	17.3%
MarkWest Oklahoma Gas Company L.L.C. - 355 Chautauqua Platform - G&B	Denver	CO	Petroleum & Natural Gas Gathering & Boosting	168,978	123,618	45,290	70	0	0	3.89%		44.3%	6.8%	30.7%	11.4%	28.3%
Majorsville Gas Plant	Dallas	WV	Natural Gas Processing	144,461	139,351	5,032	78	0	0	3.33%		3.8%	0.9%	0.5%	11.1%	29.5%
Bluestone Gas Processing Plant	Evans City	PA	Natural Gas Processing	139,410	136,079	3,254	77	0	0	3.21%		5.9%	0.9%	1.8%	5.3%	14.7%
MarkWest Liberty Bluestone L.L.C. - 160A Appalachian Basin (Eastern Overthrust Area) - G&B	Denver	CO	Petroleum & Natural Gas Gathering & Boosting	97,158	95,415	1,688	55	0	0	2.24%		44.3%	6.8%	30.7%	11.4%	28.3%
Buffalo Creek Processing Plant	Sayre	OK	Natural Gas Processing	82,116	78,519	3,552	45	0	0	1.89%		33.8%	10.7%	15.3%	14.6%	26.1%
Carthage	CARTHAGE	TX	Natural Gas Processing	77,802	75,856	1,904	43	0	0	1.79%		28.4%	14.5%	11.8%	13.4%	39.8%
Hidalgo Cryogenic Gas Plant	Orla	TX	Natural Gas Processing	76,527	70,755	5,732	40	0	0	1.76%		--	--	--	--	--
Sprague	Coalgate	OK	Natural Gas Processing	76,484	73,206	3,246	32	0	0	1.76%		39.1%	0.2%	5.5%	28.3%	46.0%
Cadiz Gas Processing Plant	Cadiz	OH	Natural Gas Processing	74,231	68,463	5,730	38	0	0	1.71%		6.0%	2.9%	0.4%	12.7%	33.1%
Mobley Gas Plant	Smithfield	WV	Natural Gas Processing	70,159	63,308	6,816	36	0	0	1.62%		6.0%	1.3%	2.1%	18.1%	40.6%
Tornado Gas Plant	Mentone	TX	Natural Gas Processing	66,880	63,472	3,371	36	0	0	1.54%		--	--	--	--	--
Javelina	Corpus Christi	TX	Natural Gas Processing	52,979	52,168	788	24	0	0	1.22%		76.1%	4.0%	69.7%	16.9%	39.7%
Seneca Gas Processing Plant	Summerfield	OH	Natural Gas Processing	42,840	39,060	3,758	22	0	0	0.99%		1.6%	0.8%	0.3%	13.7%	29.7%
MarkWest Energy South Texas Gas Company L.L.C. - 220 Gulf Coast Basin (LA TX) - G&B	Denver	CO	Petroleum & Natural Gas Gathering & Boosting	36,341	33,653	2,670	18	0	0	0.84%		44.3%	6.8%	30.7%	11.4%	28.3%
Catcher Ranch Gas Plant	McAlester	OK	Natural Gas Processing	35,068	27,515	7,544	9	0	0	0.81%		26.1%	0.9%	2.1%	14.2%	37.7%
Carthage East Gas Plant	Carthage	TX	Natural Gas Processing	32,941	32,548	375	18	0	0	0.76%		28.7%	14.2%	12.2%	14.2%	42.3%
Arkoma	Coalgate	OK	Natural Gas Transmission/Compression	32,516	31,768	730	18	0	0	0.75%		39.1%	0.2%	5.5%	28.3%	46.0%
Harmon Creek Gas Plant	Bulger	PA	Natural Gas Processing	30,822	29,290	1,516	16	0	0	0.71%		8.5%	1.3%	1.4%	6.0%	17.8%
Sarsen Gas Processing Plant	Evans City	PA	Natural Gas Processing	29,673	29,368	289	17	0	0	0.68%		6.1%	0.9%	1.8%	6.4%	17.0%
Siloam Fractionation	South Shore	KY	Natural Gas Processing	26,804	26,745	46	14	0	0	0.62%		7.4%	2.9%	1.5%	23.8%	46.0%
Arapaho	BUTLER	OK	Natural Gas Processing	23,033	19,815	3,206	11	0	0	0.53%		36.5%	0.8%	8.5%	25.5%	50.1%
Utica Condensate Stabilization Facility	Cadiz	OH	Natural Gas Processing	5,507	5,322	172	13	0	0	0.13%		5.8%	3.3%	0.3%	14.3%	34.2%

For more information on the data, see the technical notes.

* Split: if 50% appears in this column, then the facility's emissions have been split among two 50/50% ownership parent companies.

*** Biogenic CO2 has not been included within the emissions totals anywhere else in this application.

**** "Other emissions" include HFCs, NF3, PFC, SF6, and other fluorinated gases.

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