2024-29454. Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Oklahoma; Control of Emissions From Existing Municipal Solid Waste Landfills

Table 1—EJSCREEN Analysis Summary for Existing Oklahoma MSW Landfills With EJ Indices Above 80%tile

Variables	Values for buffer areas (radius) for each MSW landfill and the U.S. (percentile within U.S. where indicated)
	Enid City Landfill (Garfield, 3 miles)	Great Plains (Pocasset) Landfill (Grady, 3 miles)	Ponca City Landfill (Kay, 3 miles)	Newcastle Landfill (McClain, 3 miles)	Muskogee Community Landfill (Muskogee, 3 miles)	Osage Landfill (Osage, 3 miles)	Quarry Landfill (Waste Management of OK) (Tulsa, 3 miles)	U.S.
Pollution Burden Indicators
Particulate matter (PM 2.5 ), annual average	8.97 µg/m3 (74th %ile)	9.01 µg/m3 (75th %ile)	9.19 µg/m3 (78th %ile)	9.81 µg/m3 (86th %ile)	8.88 µg/m3 (71st %ile)	8.69 µg/m3 (66th %ile)	9.38 µg/m3 (81st %ile)	8.45 µg/m3 (—)
Ozone, summer seasonal average of daily 8-hour max	58.9 ppb (42nd %ile)	59.2 ppb (46th %ile)	57.2 ppb (33rd %ile)	60.8 ppb (52nd %ile)	53.7 ppb (15th %ile)	59.1 ppb (43rd %ile)	59.4 ppb (44th %ile)	61.8 ppb (—)
Traffic proximity (daily traffic count/distance to road)	180,000 (23rd %ile)	57,000 (13th %ile)	45,000 (11th %ile)	250,000 (28th %ile)	200,000 (24th %ile)	180,000 (24th %ile)	680,000 (46th %ile)	1,700,000 (—)
Lead paint (percentage pre-1960 housing)	0.52% (75th %ile)	0.14% (41st %ile)	0.43% (69th %ile)	0.045% (25th %ile)	0.30% (58th %ile)	0.66% (84th %ile)	0.074% (31st %ile)	0.30% (—)
Superfund proximity score*	0.00 (0%ile)	0.00 (0%ile)	0.00 (0%ile)	0.00 (0%ile)	0.099 (59th %ile)	0.99 (91st %ile)	0.00 (0%ile)	0.39 (—)
RMP proximity score *	1.20 (85th %ile)	0.22 (46th %ile)	1.30 (86th %ile)	0.28 (50th %ile)	0.16 (40th %ile)	0.95 (79th %ile)	1.60 (90th %ile)	0.57 (—)
Hazardous waste proximity score *	0.00 (0%ile)	0.13 (20th %ile)	0.36 (29th %ile)	0.27 (26th %ile)	0.15 (21st %ile)	1.00 (45th %ile)	4.60 (77th %ile)	3.5 (—)
Demographic Indicators
People of color population	39% (57th %ile)	15% (29th %ile)	35% (53rd %ile)	23% (40th %ile)	53% (68th %ile)	30% (48th %ile)	24% (42nd %ile)	40% (—)
Low-income population	49% (80th %ile)	23% (43rd %ile)	47% (78th %ile)	20% (37th %ile)	55% (85th %ile)	46% (77th %ile)	32% (58th %ile)	30% (—)
Linguistically isolated population	2% (65th %ile)	1% (57th %ile)	1% (58th %ile)	0% (0%ile)	2% (64th %ile)	1% (58th %ile)	2% (62nd %ile)	5% (—)
Population with less than high school education	18% (79th %ile)	7% (48th %ile)	13% (69th %ile)	9% (55th %ile)	15% (72nd %ile)	11% (63rd %ile)	9% (53rd %ile)	11% (—)
Population under 5 years of age	7% (73rd %ile)	4% (38th %ile)	4% (46th %ile)	7% (69th %ile)	8% (75th %ile)	8% (78th %ile)	5% (50th %ile)	5% (—)
Population over 64 years of age	10% (25th %ile)	31% (89th %ile)	15% (46th %ile)	12% (32nd %ile)	17% (53rd %ile)	15% (45th %ile)	29% (86th %ile)	18% (—)
* The traffic proximity and volume indicator is a score calculated by daily traffic count divided by distance in meters to the road. The Superfund proximity, RMP proximity, and hazardous waste proximity indicators are all scores calculated by site or facility counts divided by distance in kilometers.