
Found high c/o reads through out house on all 3 floors. (Basement, 1st & 2nd Fl). Readings as high as 9. Suspected oil boiler. Shut down boiler & advised homeowner not to turn back on until it can be inspected/repaired. Cleared house of C/o with fans. 0 reading on meters. Hammonton's cascade 9 was called to replace air in packs. Cleared homeowner to return.
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