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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
12/1/2024 1:00 AM
to
12/31/2024 12:59 PM
Air monitoring station
checked
M1
checked
M2
checked
M3
checked
M4
Alarm was caused by
checked
Loss of radio communication
checked
Other:
Off line
Name of technician who responded to the alarm
Scott Peterson
Was an email sent to the site technician?
checked
No
Were dredging or construction occurring during the alarm?
checked
No
Were corrective actions taken?
checked
No
Description of action taken
During the month of December, error air-units offline. Found antenna mounted to fence pole hose clamps were not tight. The wind was pushing the antenna out of alignment with base antenna. Tightened the hose clamps but may need to replace with heavy duty style clamp.