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Title 40: Protection of Environment
CHAPTER I: ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
SUBCHAPTER C: AIR PROGRAMS (CONTINUED)
PART 90: CONTROL OF EMISSIONS FROM NONROAD SPARK-IGNITION ENGINES AT OR BELOW 19 KILOWATTS
Subpart F: Selective Enforcement Auditing
90.502 - Definitions.
The definitions in subpart A of this part apply to this subpart. The following definitions shall also apply to this subpart.
Acceptable quality level (AQL) means the maximum percentage of failing engines that can be considered a satisfactory process average for sampling inspections.
Configuration means any subclassification of an engine family which can be described on the basis of gross power, emission control system, governed speed, fuel system, engine calibration, and other parameters as designated by the Administrator.
Inspection criteria means the pass and fail numbers associated with a particular sampling plan.
Test engine means an engine in a test sample.
Test sample means the collection of engines selected from the population of an engine family for emission testing.
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