Flare

BAAQMD Refinery Flare Emission Report
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Chevron Richmond - Hydrogen H2
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April - 2023
Date Vent Gas Flow Methane NMHC Sulfur Dioxide
(mo/day/yr) (volume in scf) See notes 6,7 (lbs) (lbs) (lbs)
4/1/2023 152,496.77 103.39 13.09 0.11
4/2/2023 151,984.88 103.14 12.46 0.11
4/3/2023 133,201.53 88.92 11.90 0.14
4/4/2023 146,114.61 98.27 13.27 0.11
4/5/2023 153,539.62 103.34 14.32 0.11
4/6/2023 138,084.51 92.62 12.75 0.10
4/7/2023 126,954.59 82.54 11.09 0.09
4/8/2023 130,116.25 88.79 11.04 0.10
4/9/2023 138,224.58 94.17 12.25 0.10
4/10/2023 149,792.85 97.93 13.60 0.12
4/11/2023 197,440.55 125.05 18.21 0.16
4/12/2023 179,174.99 112.99 16.51 0.15
4/13/2023 209,404.96 125.14 17.70 0.16
4/14/2023 229,330.03 150.45 21.55 0.17
4/15/2023 1,524,497.05 577.12 82.48 1.03
4/16/2023 519,009.69 257.49 35.95 0.29
4/17/2023 10,824,310.14 1,841.00 110.31 0.18
4/18/2023 165,860.99 101.39 14.16 0.03
4/19/2023 130,757.69 75.73 11.45 0.02
4/20/2023 127,628.84 76.05 11.37 0.02
4/21/2023 130,985.95 80.09 12.05 0.02
4/22/2023 128,058.87 77.27 16.26 0.02
4/23/2023 126,094.60 74.38 17.94 0.02
4/24/2023 108,561.06 64.11 15.76 0.02
4/25/2023 157,860.14 85.35 28.18 0.02
4/26/2023 122,218.00 75.16 17.63 0.02
4/27/2023 120,933.03 71.88 17.56 0.02
4/28/2023 127,378.56 75.97 18.72 0.02
4/29/2023 218,490.12 94.41 24.03 0.02
4/30/2023 133,220.02 72.62 26.21 0.03
April Totals 16,901,725.47 5,166.76 659.80 3.51
  • (1) Sample(s) collected during release event used to calculate emissions
    (2) No sample collected during release event. Used another sample from the same day
    (3) No sample collected during release event. Used mass spec composition data.
    (4) No sample collected during release event. Used another representative sample based on engineering judgment.
    (5) No sample collected during release event. Used 12-month rolling emission factor based on the flaring events > 1 MMSCFD
    (6) No sample collected during release event. Used 12-month rolling emission factor
    (7) Negative meter noise overwritten as zero.
    (8) Positive meter noise <0.5 ft/sec="" overwritten="" as="">
    (9) Removed raw readings > 0.5 ft/sec that did NOT represent real flow to flare. Monitoring indicates vent gas pressure was not sufficient to break water seal.
    (10) Vent gas volume based on engineering judgment during periods of monitor inoperation
Chevron Richmond Hydrogen H2 Flare Report 4/1/2023 - 4/30/2023
 
 

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Last Updated: 4/13/2023