RICHMOND (CBS SF) – Chevron has agreed to pay a $170,000 fine to the Bay Area Air Quality Management District for air quality violations over a five-year period, according to a spokesman for the air district.

For 27 days between 2005 and 2009, the refinery improperly monitored certain gasses that were being sent to the plant’s flares, air district spokesman Ralph Borrmann said.

Flares are a safety mechanism designed to release pressure in the refinery to prevent a possible explosion. The flares burn up hydrocarbons to reduce the amount of harmful pollution being released into the air.

Refineries are required to maintain flare minimization plans and to monitor the gasses being sent to the flares, Borrmann said.

During Chevron’s 27 days of violations, certain gas lines were bypassing the monitoring equipment and material was being sent directly to the flare, Borrmann said.

Refinery spokeswoman Melissa Hollander said the violation, which was discovered in August 2009, was made inadvertently.

As soon as they knew about the violation, Chevron officials took the involved units out of operation and fixed the problem, Hollander said.

Borrmann confirmed that the refinery has reconfigured its equipment to comply with air district regulations.

As part of the regulatory process, Chevron videotapes all of the refinery’s flaring activity. By analyzing the flares, scientists were able to determine that about 219 pounds of unmonitored sulfur dioxide was sent to the flares, which is below amounts that the refinery is required to report to regulatory agencies, Hollander said.

Although a $170,000 fine may not be much for a company that, according to recent reports, had a second quarter profit of $7.73 billion, 30.1 percent higher than the same quarter last year, Borrman said the enforcement process does not rely solely on fines to discourage air quality violations.

The air district has an inspector at the refinery every day and state law requires the refinery to monitor and report its emissions.

Hollander said the refinery is committed to reducing flaring at the plant. In 2010, she said, the refinery reduced its flaring by 96 percent compared to flaring activities between 2004 and 2007, and currently has the lowest flaring rate of any refinery in the Bay Area.

(Copyright 2011 by CBS San Francisco. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)

Comments (2)
  1. JJ says:

    No, that doesn’t get passed on to the consumer.

  2. r says:

    How is it that 12 of the 9/11 terrorists could live for 2 weeks just 2 miles from NSA head quarters in Maryland.
    This after several of them had taken flight simulator lessons on Jumbo jet trainers and several of them where on State department terror watch lists.
    There is evidence that employees from DoD, CIA and DOJ accepted bribes from Al Quida.
    If DoJ and DoD employees where more concerned with doing their jobs than enriching themselves by stealing from suspects and taking bribes, then there might have been more a chance that 9/11 had never happened.

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