HomeMy WebLinkAboutDU20 Email Summary 07152024From:Charles Connolly
To:Ota, Christopher A CIV USN NAVFAC SW SAN CA (USA); colin.cummings@iem.com
Cc:Chris Kuhlman; Max Ford; Mason Baker
Subject:[Non-DoD Source] Daily Update 7/18
Date:Friday, July 19, 2024 6:01:48 AM
Good evening,
Please find below an update of events for the day:
CTEH performed roaming air monitoring and analytical sampling overnight and
throughout the day.
At the time of this update, there were 156 observations for PM10
PM10 concentrations ranged from 0.011 to 0.046 mg/m3
Monitoring for PM10 will continue into the night and overnight as well.
The 24-hr TWA (from 7/17 to 7/18, 8am-8am) for PM10 concentrations from the
DustTraks are as follows:
Around the immediate vicinity of the hangar (DU1-DU12) ranged from 7 to 13
µg/m3
Around the outer perimeter and community (DU13-DU21) ranged from 9 to 20
µg/m3
One community sample from AS020 was delivered to the lab today for analysis.
In addition, we received analytical results for the following:
Community sample taken at AS020 on 7/15 did not detect any asbestos.
Regards,
Charles Connolly
Director, Government Services
CTEH, LLC
Office: 501-801-8500 | Mobile: 832-917-9742
Emergency Response 24-Hour Hotline: +1(866) 869-2834
cconnolly@cteh.com |www.cteh.com