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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
5/13/2024 3:30 PM
to
11:15 PM
checked
Non-working hours
Air monitoring station
checked
AM1
checked
AM2
Alarm was caused by
checked
Other:
Unknown, Weather
Name of technician who responded to the alarm
Blank.
Was an email sent to the site technician?
Blank.
Were dredging or construction occurring during the alarm?
Blank.
Were corrective actions taken?
checked
Yes
Date of actions taken
Blank.
Corrective actions taken
checked
Calibration completed
Description of action taken
A) It is unknown what is caused the high particle reads. No deficiencies were found during the inspection on 5/14/2024.
B) Air units are checked and calibrated once a week.