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Flare
BAAQMD Refinery Flare Emission Report
Report Settings
| Date | Vent Gas Flow | Methane | NMHC | Sulfur Dioxide |
|---|---|---|---|---|
| (mo/day/yr) | (volume in scf) | (lbs) See notes 1,2,3,4 | (lbs) See notes 1,2,3,4 | (lbs) See notes 1,2,3,4 |
| 9/1/2025 | 88,222.00 | 62.18 | 8.34 | 0.02 |
| 9/2/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/3/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/4/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/5/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/6/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/7/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/8/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/9/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/10/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/11/2025 | 445,449.00 | 192.39 | 266.43 | 405.05 |
| 9/12/2025 | 3,193,234.00 | 1,836.74 | 695.63 | 797.29 |
| 9/13/2025 | 171,602.00 | 107.74 | 21.85 | 13.02 |
| 9/14/2025 | 1,820,118.00 | 698.45 | 949.01 | 504.93 |
| 9/15/2025 | 42,950.00 | 18.09 | 12.92 | 0.68 |
| 9/16/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/17/2025 | 23,500.00 | 18.02 | 3.41 | 0.38 |
| 9/18/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/19/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/20/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/21/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/22/2025 | 3,051.00 | 2.12 | 0.33 | 0.01 |
| 9/23/2025 | 16,574.00 | 11.56 | 1.57 | 0.07 |
| 9/24/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/25/2025 | 3,074.00 | 2.15 | 0.30 | 0.01 |
| 9/26/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/27/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/28/2025 | 0.00 | 0.00 | 0.00 | 0.00 |
| 9/29/2025 | 5,167.00 | 3.53 | 0.78 | 0.05 |
| 9/30/2025 | 4,956.00 | 3.42 | 0.71 | 0.02 |
| September Totals | 5,817,897.00 | 2,956.39 | 1,961.28 | 1,721.53 |
- (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) Purge gas (NG) rates are 0.171 mmscfd each for the North and South Flares based on restriction orifice diameter sizes.
(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).
Valero Benicia South Flare Report 9/1/2025 - 9/30/2025
Spare the Air Status
Last Updated: 4/13/2023