Flare

BAAQMD Refinery Flare Emission Report

Valero Benicia Refinery
Flare Name: North
May 1 2019 - May 31 2019


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Date
(mo/day/yr)
Vent Gas Flow
(volume in scf)
Methane
(lbs)
See notes 1,2,3,4
NMHC
(lbs)
See notes 1,2,3,4
Sulfur Dioxide
(lbs)
See notes 1,2,3,4
5/1/2019 0 0.00 0.00 0.00
5/2/2019 0 0.00 0.00 0.00
5/3/2019 217866 18.98 0.00 69.17
5/4/2019 314197 42.75 0.08 159.60
5/5/2019 615239 246.78 0.39 453.52
5/6/2019 424233 230.98 0.16 208.11
5/7/2019 717224 832.39 0.24 282.19
5/8/2019 14744 4.41 0.01 14.78
5/9/2019 28256 9.68 0.02 35.71
5/10/2019 183402 65.92 0.11 128.01
5/11/2019 15 0.00 0.00 0.01
5/12/2019 0 0.00 0.00 0.00
5/13/2019 0 0.00 0.00 0.00
5/14/2019 0 0.00 0.00 0.00
5/15/2019 123752 74.24 0.04 75.48
5/16/2019 519 0.09 0.00 0.31
5/17/2019 1447 0.13 0.00 1.10
5/18/2019 4761 1.22 0.00 3.17
5/19/2019 0 0.00 0.00 0.00
5/20/2019 0 0.00 0.00 0.00
5/21/2019 2568 0.27 0.00 1.93
5/22/2019 0 0.00 0.00 0.00
5/23/2019 0 0.00 0.00 0.00
5/24/2019 0 0.00 0.00 0.00
5/25/2019 0 0.00 0.00 0.00
5/26/2019 0 0.04 0.00 0.37
5/27/2019 0 0.00 0.00 0.00
5/28/2019 23022 3.05 0.01 23.33
5/29/2019 0 0.00 0.00 0.00
5/30/2019 2686 0.40 0.00 1.84
5/31/2019 835 0.14 0.00 0.56

(1) Excludes emissions from natural gas pilots and purges.
(2) Pilot gas (NG) rates are 4,800 scfd each for North and South Flares based on design of pressure regulator and nozzle size at flare tip.
(3) Natural gas purge rate to North Flare is 0.171 mmscfd based on restriction orifice size.
(4) Flare header pressure greater than water seal setpoint, corroborating flow.
(5) Raw flow representative of flows between 0.1 - 275 ft/s per 12-11-501.2
and 40CFR60.107a(f)(1)(ii).







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Wood Burning Status
Wood Burning Status
  • Wednesday,
    11/20

    No Spare the Air Alert in Effect

  • Thursday,
    11/21

    No Spare the Air Alert in Effect

Last Updated: 3/23/2015