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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 30 - Mineral Resources |
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Chapter I - Mine Safety and Health Administration, Department of Labor |
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SubChapter O - Coal Mine Safety and Health |
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Part 70 - Mandatory Health Standards - Underground Coal Mines |
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Subpart C - Sampling Procedures |
Table 70 to Subpart C of Part 70 - 1—Excessive Concentration Values (ECV) Based on Single, Full-Shift CMDPSU/CPDM Concentration Measurements
Latest version.
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Applicable standard
(mg/m3)ECV (mg/m3) CMDPSU CPDM 2.0 2.33 2.26 1.9 2.22 2.15 1.8 2.12 2.04 1.7 2.01 1.92 1.6 1.90 1.81 1.5 1.79 1.70 1.4 1.69 1.58 1.3 1.59 1.47 1.2 1.47 1.36 1.1 1.37 1.25 1.0 1.26 1.13 0.9 1.16 1.02 0.8 1.05 0.91 0.7 0.95 0.79 0.6 0.85 0.68 0.5 0.74 0.57 0.4 0.65 0.46 0.3 0.54 0.34 0.2 0.44 0.23