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Indiana Harbor and Canal
Dredging and Disposal Project
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Air Monitoring Alarm Response

Air Monitoring Instrument
Thermo Scientific Model 5030 Sharp Monitor
Date and time of alarm
6/18/2024 3:15 AM
to
9:00 AM
Air monitoring station
checked
AM1
Alarm was caused by
checked
Out of calibration
checked
Air quality, traffic, site maintenance, insects
checked
Other:
spiders
Name of technician who responded to the alarm
Scott Peterson
Was an email sent to the site technician?
checked
Yes
Were dredging or construction occurring during the alarm?
checked
No
Were corrective actions taken?
checked
Yes
Date of actions taken
6/18/2024
Corrective actions taken
checked
Fault corrected
checked
Calibration completed
Description of action taken
Vacuumed out spiders from inlet tube.