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Bayport Bay Barge Collision Response

Summary of TCEQ monitoring of the May 10 barge collision in Bayport Bay.

Posted May 13, 3:45 p.m.—TCEQ’s Contractor SWS continued to monitor from 1800 on May 11, 2019 through May 13, 2019 at 0600 in response to the Bayport Channel Collision.

Air monitoring occurred in the La Porte, Shoreacres, Seabrook, Kemah, Clear Lake Shores, Bacliff, and San Leon areas. No benzene, VOC, or other monitored contaminants were detected by this team during the monitoring period.

EPA’s TAGA vehicle monitored downwind of the site on May 12, 2019 and no exceedances were reported.

TCEQ has been demobilized from the unified command as of 0600 on May 13, 2019 and will not deploy further air monitoring.

Posted May 12, 2019, 8:30 a.m.—TCEQ’s Contractor SWS monitored from May 11, 2019, at 0600 hours to May 11, 2019, at 1800 hours in response to the Bayport Channel Collision.

SWS Team 1 began monitoring in the La Porte area at approximately 0705 hours. No benzene, VOC, or odors were detected by Team 1 during the monitoring period.

SWS Team 2 began monitoring in the Kemah area at approximately 0715 hours. Odors were detected between 0715 and 0810 and between 0730 hours and 0750 hours 0.4 ppm VOC was detected by Team 2. After 0810 no odors or VOC were detected by Team 2 for the remainder of the monitoring period. Team 2 did not detect any benzene during the monitoring period.

Two SWS Teams have been deployed to the La Porte, Shoreacres, Seabrook, Kemah, Clear Lake Shores, Bacliff, and San Leon areas to conduct air monitoring on May 11, 2019 from 1800 to May 12, 2019 at 0600. EPA will deploy their TAGA bus to conduct monitoring in the community from 0830 to 1630 on May 12, 2019.

Posted May 11, 2019, 1:00 p.m.—TCEQ’s Contractor SWS monitored from May 10, 2019, at 2000 hours to May 11, 2019, at 0600 hours in response to the barge collision.

SWS Team 1 began air monitoring in the Seabrook area at approximately 2045 hours. At approximately 2230 hours, SWS Team 1 detected 2.4 to 2.6 ppm benzene and 45.2 to 60.2 ppm VOC near the intersection of Todville Road and Brummerhop Street in Seabrook. SWS Team 1 monitored at this location again at approximately 2320 hours and no benzene or VOC was detected. At approximately 2300 hours, SWS Team 1 detected 0.7 to 2.4 ppm VOC and 0.0 ppm benzene near the intersection of Highway 146 and 2nd Street in Seabrook.

SWS Team 2 began air monitoring at approximately 2230 hours and covered the League City, Kemah, and Seabrook areas. No benzene or VOC was detected at these locations monitored by SWS Team 2.

SWS Team 3 began air monitoring at approximately 2220 hours and covered the League City, Kemah, Bacliff, and Dickinson areas. At approximately 2335 SWS Team 3 detected 0.2 ppm VOC at the Kemah Boardwalk. At approximately 2400, SWS Team 3 detected 2.5 ppm VOC at the Texas Corinthian Yacht Club in Kemah. At approximately 0100, SWS Team 3 detected 0.5 ppm VOC and 0.4 ppm benzene at Kenneth E. Little Elementary School in Bacliff.

Odors described as sweet, petroleum, and heavy were detected at various monitoring locations by all three SWS teams, in the Seabrook, League City, Kemah, and Bacliff areas.

TCEQ Handheld Monitoring Equipment Data