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Code of Federal Regulations (Last Updated: May 6, 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 89 - Control of Emissions from New and in-Use Nonroad Compression-Ignition Engines |
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Subpart D - Emission Test Equipment Provisions |
§ 89.305-96 - Equipment measurement accuracy/calibration frequency.
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The accuracy of measurements must be such that the maximum tolerances shown in Table 3 in appendix A of this subpart are not exceeded. Calibrate all equipment and analyzers according to the frequencies shown in Table 3 in appendix A of this subpart.