Oxides of Nitrogen (NOx)		
Facility Name	City	Tons per Year
Chevron Products Co.	El Segundo	2026
California Portland Cement	Colton	1908
Arco Products Co.	Carson	1607
Mobil Oil Corp	Torrance	1529
Texaco Refining & Marketing Co.	Wilmington	1067
So. Cal. Edison Co.	Long Beach	718
So. Cal. Edison Co.	Avalon	570
So. Cal. Edison Co.	Etiwanda	451
California Steel Industries	Fontana	416
So. Cal. Edison Co.	Redondo Beach	391


Reactive Organic Gases (ROG)		
Facility Name	City	Tons per Year
Arco Products Co.	Carson	1180
Chevron Products Co.	El Segundo	1033
Filtrol Corp. (Chemicals)	Vernon	678
Texaco Refining & Marketing Co.	Wilmington	511
Tosco Refining Company	Wilmington	495
Cal Resources (Petroleum)	Huntington Beach	372
Mobil Oil Corp	Torrance	355
MCP Foods Inc. (Food Products)	Anaheim	341
Century Marble (Stone Products)	Pomona	321
Ultramar Inc (Petroleum)	Wilmington	318


Particulate Matter (PM10)		
Facility Name	City	Tons per Year
Chevron Products Co.	El Segundo	472
Arco Products Co.	Carson	452
Texaco Refining & Marketing Co.	Wilmington	148
Ultramar Inc (Petroleum)	Wilmington	142
Schuller Intl. (Insulation)	Corona	137
California Portland Cement	Colton	121
Tosco Refining Company	Wilmington	114
Mobil Oil Corp	Torrance	105
Tosco Refining Company	Carson	103