Flare

BAAQMD Refinery Flare Emission Report
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Chevron Richmond - Hydrogen H2
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August - 2025
Date Vent Gas Flow Methane NMHC Sulfur Dioxide
(mo/day/yr) (volume in scf) See notes 6,7 (lbs) (lbs) (lbs)
8/1/2025 188,660.39 91.18 16.93 0.46
8/2/2025 188,186.00 91.56 16.89 0.46
8/3/2025 182,811.19 88.95 16.03 0.45
8/4/2025 167,317.55 80.63 14.58 0.44
8/5/2025 172,463.17 82.29 15.50 0.46
8/6/2025 216,360.54 92.95 17.25 0.51
8/7/2025 192,257.66 89.49 17.45 0.47
8/8/2025 156,144.04 76.12 15.07 0.38
8/9/2025 144,322.74 70.17 14.19 0.36
8/10/2025 96,402.41 47.57 10.76 0.26
8/11/2025 124,792.83 59.81 20.64 0.46
8/12/2025 95,004.57 50.53 9.57 0.25
8/13/2025 93,372.74 48.33 9.51 0.24
8/14/2025 127,411.26 62.25 18.12 0.40
8/15/2025 102,360.15 53.96 11.12 0.28
8/16/2025 97,113.10 51.58 10.52 0.25
8/17/2025 123,170.89 62.94 12.33 0.30
8/18/2025 164,057.91 79.90 17.83 0.41
8/19/2025 153,486.86 75.49 14.49 0.38
8/20/2025 129,229.43 65.21 10.49 0.30
8/21/2025 120,294.39 60.95 10.14 0.28
8/22/2025 132,028.81 64.93 11.73 0.32
8/23/2025 117,890.39 58.37 11.12 0.30
8/24/2025 123,459.60 61.35 10.40 0.29
8/25/2025 109,076.16 54.33 9.00 0.27
8/26/2025 113,476.84 57.08 9.77 0.28
8/27/2025 124,013.25 62.68 10.88 0.31
8/28/2025 134,859.90 67.97 11.90 0.33
8/29/2025 126,924.63 64.11 11.44 0.31
8/30/2025 120,600.85 61.31 10.96 0.29
8/31/2025 188,752.35 95.09 35.03 0.74
August Totals 4,326,302.60 2,129.08 431.64 11.24
  • (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 8/1/2025 - 8/31/2025
 
 

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Last Updated: 4/13/2023