As of April 14, 2025:
Table 1 to § 70.209T-Excessive Concentration Values (ECV) Based on a Single Sample, Two Samples, or the Average of Five or Fifteen Full-Shift CMDPSU/CPDM Concentration Measurements
Section | Samples | ECV (mg/m3 ) | |
CMDPSU | CPDM | ||
70.209 (c) | 70.100(a)-Single sample | 1.79 | 1.70 |
70.100(b)-Single sample | 0.74 | 0.57 | |
70.209(d)(1) | 70.100(a)-2 or more samples | 1.79 | 1.70 |
70.100(b)-2 or more samples | 0.74 | 0.57 | |
70.209(d)(2) | 70.100(a)-5 sample average | 1.63 | 1.59 |
70.100(b)-5 sample average | 0.61 | 0.53 | |
70.209(d)(2) | 70.100(a)-15 sample average | 1.58 | 1.56 |
70.100(b)-15 sample average | 0.57 | 0.52 | |
70.209(g)(1) | 70.100(a)-Each of 5 samples | 1.79 | 1.70 |
70.100(b)-Each of 5 samples | 0.74 | 0.57 |
30 C.F.R. §70.209T