Table 1.

EFs derived from the statistical estimator

SourceμσEF, kg CH4/h
Production sites−1.79 (−2.13, −1.45)2.17 (1.96, 2.39)1.76 (1.27, 2.45)
Compressor stations3.05 (2.77, 3.32)1.49 (1.32, 1.67)64.2 (48.8, 84.4)
Processing plants4.41 (3.92, 4.91)1.31 (1.00, 1.62)195 (121, 315)
  • The 95% CI appears between parentheses. EF=eμ+12σ2.