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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter C - Air Programs |
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Part 90 - Control of Emissions from Nonroad Spark-Ignition Engines at or Below 19 Kilowatts |
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Subpart H - Manufacturer Production Line Testing Program |
§ 90.710 - Compliance with criteria for production line testing.
Latest version.
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§ 90.710 Compliance with criteria for production line testing.
(a) A failed engine is one whose final deteriorated test results pursuant to § 90.709(c), for HC + NOX (NMHC + NOX) or CO exceeds the applicable Family Emission Limit (FEL) or standard if no FEL.
(b) An engine family shall be determined to be in noncompliance, if at any time throughout the model year, the CumSum statistic, Ci, for HC + NOX (NMHC + NOX) or CO, is greater than the action limit, H, for that pollutant, for two consecutive tests.