Recent News and Opinion
2014/8/31 - Sunday Evening Update - Labor Day Edition
2014/8/30 - Football Scores - Friday, August 29th 2014
2014/8/29 - Letters: Legal Defense Fund Established for Freed
2014/8/29 - Content Removed
2014/8/26 - Burger King Inversion Update
2014/8/25 - Officers Receive Life Saving Awards
2014/8/24 - Lewisville To Spray Again for Mosquitoes Monday and Tuesday Nights
2014/8/23 - Motorists Reminded to Be Careful as Kids Head Back-to-School
2014/8/20 - Neighborhood Gets Help from LISD and Police on Litter, Crime Problem
2014/8/20 - Letters: Freed Should Be Considered Innocent
2014/8/17 - Sunday Evening Update - End of Summer Vacation Edition
2014/8/17 - Pictures of Local High Water
2014/8/17 - Lewisville to Spray for Mosquitoes Monday and Tuesday
2014/8/16 - Flower Mound Presbyterian Church Celebrates 160 Years with Homecoming
2014/8/8 - Former Fire Official Arrested in Fill-the-boot Theft
2014/8/6 - Lewisville Lake and Drought Update
2014/8/5 - Saturday, August 9th: Lewisville Police Day - PD Hosts Anniversar...
2014/8/5 - Kidnapping Suspects Arrested; Police Dog Finds Fugitive
2014/8/2 - Movie review: "Boyhood"
2014/7/22 - Lewisville Loses Appeal on Sex Offender Ordinance
2014/7/20 - Monday Morning Update
2014/7/20 - Take the Win in Iran
2014/7/19 - Combating Post-Traumatic Stress Event in Denton Saturday
2014/7/14 - Lewisville City Council Adopts Vision 2025 Plan
2014/7/6 - Photos from Lake Park on Independence Day
Recent Reader Comments
2014/8/30 17:40 - Re: Parent Upset over School Fussing Over Student's ... (Anonymous)
2014/8/29 12:12 - Re: Burger King Inversion (jbcglc)
2014/8/28 22:32 - Re: Burger King Inversion (Anonymous)
2014/8/27 11:21 - Re: Burger King Inversion (dskinner)
2014/8/27 7:09 - Re: Burger King Inversion (Jonathan)
2014/8/26 16:00 - Re: Burger King Inversion (Anonymous)
2014/8/24 21:26 - Re: Letters: Freed Should Be Considered Innocent (TexasMama)
2014/8/22 18:45 - Re: Letters: Freed Should Be Considered Innocent (Anonymous)
2014/8/22 6:54 - Re: Letters: Freed Should Be Considered Innocent (TexasMama)
2014/8/22 6:47 - Re: Letters: Freed Should Be Considered Innocent (TexasMama)
2014/8/21 23:43 - Re: Letters: Freed Should Be Considered Innocent (Anonymous)
2014/8/21 18:59 - Re: Letters: Freed Should Be Considered Innocent (Anonymous)
2014/8/21 17:15 - Re: Letters: Freed Should Be Considered Innocent (Anonymous)
2014/8/21 16:03 - Re: Letters: Freed Should Be Considered Innocent (TexasMama)
2014/8/20 23:00 - Re: Lewisville Lake and Drought Update (Anonymous)
2014/8/20 14:17 - Re: Letters: Freed Should Be Considered Innocent (Anonymous)
2014/8/20 14:08 - Re: Statement from City of Lewisville (Anonymous)
2014/8/20 11:34 - Re: Letters: Freed Should Be Considered Innocent (jbcglc)
2014/8/20 9:23 - Statement from City of Lewisville (WhosPlayin)
2014/8/20 9:08 - Re: Letters: Freed Should Be Considered Innocent (WhosPlayin)
2014/8/15 11:43 - Re: Former Fire Official Arrested in Fill-the-boot Theft (Anonymous)
2014/8/14 18:04 - Re: Former Fire Official Arrested in Fill-the-boot Theft (WhosPlayin)

Dallas-Fort Worth Area Fails to Meet Ozone Attainment; Contingency Measures Implemented

Oil and Gas
Posted by WhosPlayin on 2010/5/22 15:30:00 (2501 reads)
Oil and Gas

Open in new windowPublic Notice of the Implementation of Contingency Rules for Collin, Dallas, Denton, and Tarrant Counties

The DFW area has failed to attain the 1997 eight-hour ozone National Ambient Air Quality Standard by the June 15, 2010, attainment deadline based on monitoring data. The ambient ozone monitoring data from 2007, 2008, and 2009, which have been validated by the TCEQ staff, indicate that the DFW area has an ozone design value of 86 parts per billion (ppb), thereby exceeding the 1997 eight-hour ozone standard of 0.08 parts per million (which is met when the design value is 84 ppb or lower).

Owners and operators of certain storage tanks and transport vessels for Volatile Organic Compounds (VOCs), in Denton, Tarrant, Dallas, and Collin Counties will be required to comply with stricter emissions requirements. Compliance is requested as soon as possible, but no later than May 20th, 2011.

Ozone at ground level is harmful to humans in a variety of ways, including aggravation of asthma. This ground level ozone is created by a chemical reaction between oxides of nitrogen (NOx) and volatile organic compounds (VOC) in the presence of sunlight.

Nearly as much of the VOC emissions in North Texas come from oil and gas activities: 112 tons per day (TPD), as from vehicle traffic: 120 TPD.

The 1997 8-hour Ozone standard is no more than 0.08 ppm. The 2008 standard is 0.075 ppm. One part per million (PPM) is roughly equivalent to inhaling two teaspoons per day of that substance.

Keywords:
- TopPosts2010

- Rating: 0.00 (0 votes) - {$lang_ratethisnews}
 
The comments are owned by the poster. We aren't responsible for their content.

Poster Thread
Anonymous
Posted: 2010/5/24 1:45  Updated: 2010/5/24 6:11
 Re: Dallas-Fort Worth Area Fails to Meet Ozone Attainment...
"Roughly HALF of VOC emissions in North Texas come from oil and gas activities: 112 tons per day (TPD), versus 120 TPD for vehicle traffic."

Although both these numbers may be approximately true, your "total" is leaving out VOCs from: 1) off-road vehicles, 2) all other industry like the Midlothian cement plants, GM, etc, and 3) what are called "area sources" - gas stations, BBQ pits, etc.

VOCs from the Barnett Shale are huge - approximately equal in tonnage to the entire ON-road DFW vehicle inventory. But there are more than those two categories to count when you want to get to a regional total of VOCs.
Reply

Poster Thread
WhosPlayin
Posted: 2010/5/24 6:12  Updated: 2010/5/24 6:12
Editor
Joined: 2008/12/12
From:
Posts: 3873
 Re: Dallas-Fort Worth Area Fails to Meet Ozone Attainment...
Ah, good point. I'll see if I can find out what the other numbers amount to.
Reply


Other articles
2014/8/31 15:50:00 - Sunday Evening Update - Labor Day Edition
2014/8/30 8:21:42 - Football Scores - Friday, August 29th 2014
2014/8/29 23:13:38 - Letters: Legal Defense Fund Established for Freed
2014/8/29 17:50:00 - Content Removed
2014/8/26 13:40:00 - Burger King Inversion Update
2014/8/25 17:46:54 - Officers Receive Life Saving Awards
2014/8/24 11:16:38 - Lewisville To Spray Again for Mosquitoes Monday and Tuesday Nights
2014/8/23 22:47:53 - Motorists Reminded to Be Careful as Kids Head Back-to-School
2014/8/20 23:50:00 - Neighborhood Gets Help from LISD and Police on Litter, Crime Problem
2014/8/20 8:52:32 - Letters: Freed Should Be Considered Innocent


The Lewisville Texan Journal is a service of SagePost, Inc.
Login to Comment
User:
Pass:
Remember me
Lost your password?
Create New Account