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Regulations last checked for updates: May 17, 2024
Title 30 - Mineral Resources last revised: May 15, 2024
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Title 30
Chapter I
Part 70
Subpart C
Appendix - Table 70-1 to Subpart C of Part 70—Excessive Concentration Values (ECV) Based on Single, Full-Shift CMDPSU/CPDM Concentration Measurements
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Appendix - Table 70-1 to Subpart C of Part 70—Excessive Concentration Values (ECV) Based on Single, Full-Shift CMDPSU/CPDM Concentration Measurements
Link to an amendment published at 89 FR 28476, Apr. 18, 2024.
Applicable standard
(mg/m
3
)
ECV (mg/m
3
)
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
authority:
30 U.S.C. 811
,
813
,
957
source:
59 FR 8327, Feb 18, 1994, unless otherwise noted.
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