Houston Regional Monitoring. Air Quality Update to RAQPAC

Transcription

1 Air Quality Update to RAQPAC September 27, 2017 Presented by: Steve Hansen Technical Advisory Committee

2 s Purpose is a voluntary industry-funded technical resource dedicated to performing ambient air monitoring and related special studies to better understand air quality in the Houston area has an annual operating budget of $2.3 million that is dedicated to two programs: Monitoring Program - 10 sites Special Studies Program 2

3 Service Area 3

4 Monitoring Program Site Criteria Air Pollutants SO 2 O 3 NO 2 CO PM 10 PM 2.5 Pb H 2 S Non Criteria Air Pollutants VOC Canister EARS Automated GC BZ FRA 1 Central St. 3 Haden Road 4 Sheldon Road 7 West Baytown 8 La Porte 10 Mont Belvieu 11 East Baytown 615 Lynchburg Ferry 617 Wallisville Road 16 Deer Park Legend: SO 2 =Sulfur dioxide O 3 =Ozone NO 2 =Nitrogen dioxide CO=Carbon monoxide PM 10 = Particulate Matter (10 micron) PM 2.5 = Fine Particulate Matter (2.5 micron) Pb=TSP Lead H 2S = Hydrogen Sulfide VOC Canister = Every 6 th Day Canister Sample EARS = Emergency Accidental Release System Automated GC = Automated Gas Chromatography BZ FRA = Benzene Fast Response Analyzer Meteorological Parameters: (All Sites) Ambient Temperature Wind Speed Wind Direction Standard Deviation of Wind Direction Maximum Wind Gust Precipitation (all sites, except Site 16) Net Radiation Barometric Pressure (only Site 16) 4

5 Basic Ozone Chemistry Industrial facilities On-Road Mobile Sources Off-Road Mobile Sources Trees The Largest Contributor VOC NOx Industrial facilities On-Road Mobile Sources Off-Road Mobile Sources Naturally Occurring 5

6 Days When Houston Area Monitors Exceeded EPA Ozone Air Quality Standard 19 Monitors in Monitors in Monitors in 2017 Significant Decline In Number of Ozone Exceedance Days 2017 data as of 09/15/17 6

7 2017YTD Houston Area Ozone Exceedance Days 8-hour 70 ppb Standard 17 Regulatory Monitors Have Had Exceedance Days in 2017 YTD 2017 data as of 09/15/17 7

8 2017YTD 8-Hour Ozone Design Values Regulatory Monitors In Houston Area The Design Value is the average of the 4th highest daily 8-hr maximum in a 3-consecutive year period ( YTD) All Regulatory Monitors in Houston Area are meeting 84 ppb Standard so far in data as of 09/15/17 8

9 Historical Comparison of 8-hr Ozone Exceedance Days in HGB Area (STD = 70 ppb) Data through September 15, Based on data from regulatory and non-regulatory monitors 11

10 Ozone Exceedance Days in September 8-hr avg. 1-hr avg. Max. O3 Value > Starting time Site Location Date 70 ppb of 8-hr avg. Max O3 Value Hour(s) of Max O3 CAMS 53 Houston Bayland Park (RM) 9/1/ : :00 CAMS 403 Clinton Dr (RM) 9/1/ : :00-15:00 CAMS 416 Park Place (RM) 9/1/ : :00 CAMS Central St. (non-rm) 9/1/ : :00 CAMS 84 Manvel Croix Park (RM) 9/1/ : :00 8-hr avg. 1-hr avg. Max. O3 Value > Starting time Site Location Date 70 ppb of 8-hr avg. Max O3 Value Hour(s) of Max O3 CAMS 403 Clinton Dr (RM) 9/2/ : :00 CAMS La Porte (non-rm) 9/2/ : :00 CAMS 695 UH Moody Tow er (non-rm) 9/2/ : :00 CAMS Central St. (non-rm) 9/2/ : :00 CAMS 35 Houston Deer Park (RM) 9/2/ : :00 CAMS 416 Park Place (RM) 9/2/ : :00 CAMS Haden Rd (non-rm) 9/2/ : :00 8-hr avg. 1-hr avg. Max. O3 Value > Starting time Site Location Date 70 ppb of 8-hr avg. Max O3 Value Hour(s) of Max O3 CAMS 403 Clinton Dr. (RM) 9/3/ : :00 CAMS 695 UH Moody Tow er (non-rm) 9/3/ : :00 8-hr avg. 1-hr avg. Max. O3 Value > Starting time Hour(s) of Max O3 Site Location Date 70 ppb of 8-hr avg. Max O3 Value CAMS 26 Northw est Harris Co. (RM) 9/4/ : :00 12

11 Ozone Exceedance Days in September 8-hr avg. 1-hr avg. Max. O3 Value > Starting time Hour(s) of Max O3 Site Location Date 70 ppb of 8-hr avg. Max O3 Value CAMS 570 Clear Brook High School (non-rm) 9/5/ :00 8-hr avg. 1-hr avg. Max. O3 Value > Starting time Hour(s) of Max O3 Site Location Date 70 ppb of 8-hr avg. Max O3 Value CAMS 696 UH Sugarland (non-rm) 9/8/ : :00 8-hr avg. 1-hr avg. Max. O3 Value > Starting time Site Location Date 70 ppb of 8-hr avg. Max O3 Value Hour(s) of Max O3 CAMS 45 Seabrook Friendship Park (RM) 9/12/ ; :00 CAMS 620 Texas City 34th St. (non-rm) 9/12/ : :00 CAMS La Porte (non-rm) 9/12/ : :00 CAMS 1034 Galveston 99th St. (RM) 9/12/ : :00 CAMS 556 La Porte Sylvan Beach (non-rm) 9/12/ : :00 CAMS 35 Houston Deer Park (RM) 9/12/ : :00 CAMS 84 Manvel Croix Park (RM) 9/12/ : :00 8-hr avg. 1-hr avg. Max. O3 Value > Starting time Site Location Date 70 ppb of 8-hr avg. Max O3 Value Hour(s) of Max O3 CAMS 1017 Baytown Garth (RM) 9/13/ : :00-14:00 CAMS 553 Crosby Library (non-rm) 9/13/ : :00 CAMS Baytow n (non-rm) 9/13/ : :00 CAMS 560 Atascosita (non-rm) 9/13/ : :00 CAMS 699 UH West Liberty (non-rm) 9/13/ : :00 CAMS 8 Houston Aldine (RM) 9/13/ : :00-15:00 13

12 Houston-Galveston-Brazoria (HGB) Ozone Non-Attainment Area Design Value Basis 4th High 8-Hr O3 Value During Year Design Value YTD YTD Monitoring Site Location (ppbv) (ppbv) (ppbv) (ppbv) Seabrook Friendship Park C Houston Westhollow C Hou.DeerPrk2 C35/235/1001/AFH139FP Houston North Wayside C Houston Monroe C Conroe Relocated C78/A Houston East C1/G Channelview C15/AH Lake Jackson C Baytown Garth C Park Place C Houston Croquet C Houston Aldine C8/AF108/X Houston Texas Avenue C411 (Deactivated Oct 24, 2016) Houston Bayland Park C53/A Clinton C403/C304/AH Northwest Harris Co. C26/A110/X Manvel Croix Park C Lang C Galveston 99th St. C1034/A320/X Lynchburg Ferry C1015/A ** 60 Data thru September 25,

13 2017 YTD Highest 8-Hour Average Ozone Values at HGB Regulatory Monitors Highest 8-Hr Avg 2nd Highest 8-Hr Avg 3rd Highest 8-Hr Avg 4th Highest 8-Hr Avg Date 1st Hour (ppbv) Date 1st Hour (ppbv) Date 1st Hour (ppbv) Date 1st Hour (ppbv) Houston East C1/G316 5/6/ /7/ /14/ /7/ Houston Aldine C8/AF108/X150 5/14/ /6/ /14/ /13/ Channelview C15/AH115 5/6/ /7/ /13/ /12/ Northwest Harris Co. C26/A110/X154 6/9/ /4/ /14/ /7/ Hou.DeerPrk2 C35/235/1001/AFH139FP239 5/6/ /12/ /2/ /7/ Seabrook Friendship Park C45 9/12/ /4/ /6/ /7/ Houston Bayland Park C53/A146 9/1/ /6/ /8/ /3/ Conroe Relocated C78/A321 9/14/ /7/ /24/ /15/ Manvel Croix Park C84 6/8/ /6/ /23/ /12/ Clinton C403/C304/AH113 9/3/ /1/ /6/ /2/ Houston North Wayside C405 5/6/ /14/ /2/ /7/ Houston Monroe C406 5/6/ /12/ /8/ /13/ Lang C408 9/1/ /6/ /3/ /14/ Houston Croquet C409 6/8/ /6/ /8/ /12/ Houston Westhollow C410 6/8/ /6/ /7/ /12/ Park Place C416 9/1/ /6/ /2/ /5/ Lynchburg Ferry C1015/A165 2/22/ /3/ /26/ /23/ Lake Jackson C1016 5/6/ /13/ /31/ /8/ Baytown Garth C1017 5/6/ /7/ /24/ /13/ Galveston 99th St. C1034/A320/X183 9/12/ /12/ /6/ /8/ Data thru 9/25/

14 Annual Average HRVOC Concentrations from PAMS-GC Sites in the Houston Area ( YTD) An average 61% reduction of HRVOC since 2006 Data through 9/15/

15 Annual Average HRVOC Concentrations at PAMS- GC Sites in the Houston Area ( YTD) Significant HRVOC Reductions At All Sites Data through 9/15/

16 Annual Average NOx Concentration and Core Area Monitors (Crawford/Texas Ave, Clinton, Lang, Aldine, Deer Park) Data through 9/1/

17 Annual Average BTEX Trends from the Network ( YTD) 89% Reduction in BTEX Concentrations Since 1988 Data through 9/15/

18 Monitoring Site Outages During Hurricane Harvey PAMS GC Shutdown Periods Met Towers Lowered Site Wallisville Time Frame of Shutdown 08/25 (Friday) - 08/30 (Wed) 08/25 (Friday) - 08/30 (Wed) 08/25 (Friday) - 08/31 (Thurs) Site Wallisville Time Frame 08/25 (Friday) - 08/31 (Thursday) 08/25 (Friday) - 08/30 (Wednesday) 08/25 (Friday) - 08/30 (Wednesday) 08/25 (Friday) - 09/01 (Friday) 08/25 (Friday) - 08/30 (Wednesday) 08/25 (Friday) - 08/31 (Thursday) 08/25 (Friday) - 09/01 (Friday) 08/25 (Friday) - 08/30 (Wednesday) 08/25 (Friday) - 08/31 (Thursday) Missing or Invalid Criteria Pollutant Data (8/24/2017 9/2/2017) -1 no missing or invalid data during time period. -3 ozone and NO2 monitors down for 6 hrs on 08/ all data for 20 minutes on 8/28 due to power failure. -7 all data for 40 minutes on 8/28 due to power failure. -8 no missing or invalid data during time period. -10 ozone monitor for about 12 hours 08/25-09/ no missing or invalid data during time period no missing or invalid data during time period. -Wallisville -- no missing or invalid data during time period. 20

19 Houston Area PM hr Average Design Value ( YTD) Data through 9/15/2017 Design Value 98 th percentile of the 24-hour average PM 2.5 averaged over 3 years 21

20 Houston Area PM 2.5 Annual Design Value ( YTD) Design Value Annual mean PM 2.5 mass concentration averaged over 3 years Data through 9/15/