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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
4/14/2024 4:45 PM
to
5:15 PM
checked
Weekend
Air monitoring station
checked
AM2
Alarm was caused by
checked
Other:
Unknown
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 causing the high particle reads. The air units were checked and calibrated. No deficiencies were found during inspection.
B) Air units are checked and calibrated once a week.