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CARB Verification

ECS PRODUCT	VERIFICATION LEVEL	VERIFICATION COVERAGE
Purifilter H	Level 3+	Level 3 - 85 Percent or Greater Reduction in Particulate Matter CARB Executive Order Letter California Engine Family List Federal Family List Off-Road Diesel Engines, Model Years 1996-2008 Engine Families as listed Level 3 – 85 Percent or Greater CARB Verification Letter Engine Family List

Purifilter L	Level 3+	Hwy 1994 thru 2003 Engine Families as listed Level 3 - 85 Percent or Greater Reduction in Particulate Matter CARB Executive Order Letter Engine Family List

Purifilter Plus	3+	Model years 1993-2006 Engine Families as listed Level 3 – 85 Percent or Greater Reduction in Particulate Matter CARB Executive Order Letter Engine Family List

Combifilter	Level 3+	Non-Road 2007 and older Tier 0,1,2,3 Engine Families with PM emissions 0.45 g/hp-hr or less as listed Level 3 - 85 Percent or Greater Reduction in Particulate Matter CARB Executive Order Letter Engine Family List

AZ Purifier Purimuffler	Level 1+	Hwy 1973 thru 2003 Engine Families as listed Level 1 - 25 Percent or Greater Reduction in Particulate Matter CARB Executive Order Letter Engine Family List	Non-Road 1996 thru 2003 Engine families as listed Level 1 - 25 Percent or Greater Reduction in Particulate Matter CARB Executive Order Letter Engine Family List

TermiNOx	Level 3a HC + NOx < 1.0 g/hp-hr	1990 to 2000 unregulated and 2001 to 2003 non-complying phase-in off-road propane fueled LSI engines from 1 to 3L in displacement and 25hp or greater Level 3a - HC + NOx < 1.0 g/hp-hr CARB Executive Order Letter

	Level 2 HC + NOx < 3.0 g/hp-hr	1990 to 2000 unregulated and 2001 to 2003 non-complying phase-in off-road propane fueled LSI engines from >3 to 8.2L in displacement Level 2 – HC + NOx < 3.0 g/hp-hr CARB Executive Order and Letter

What Is Diesel Exhaust?

Diesel exhaust contains a mixture of thousands of different chemical substances. Many of the components of diesel exhaust, such as carbon monoxide, carbon dioxide, nitrogen oxides, sulphur dioxides, hydrocarbon gases and diesel particulate matter (soot), arsenic and benzene, can cause health problems. Diesel exhaust contains 20-100 times more harmful particles than gasoline exhaust.

Health Effects of Diesel Exhaust

Due to expanding use of diesel equipment, more and more workers are exposed to diesel exhaust. More than one million workers are exposed to diesel exhaust and face the risk of adverse health effects, ranging from headaches and nausea to cancer and respiratory disease. Such workers include mine workers, bridge and tunnel workers, railroad workers, loading dock workers, truck drivers, material handling machine operators, farm workers, longshoring employees, and auto, truck and bus maintenance garage workers.