Field Office Compliance - Assistance


Assistance ID - 70102
HEIDELBERG MATERIALS US INC. - 310200841
700 25th St NW Mason City, IA 50401
Cerro Gordo County

FO 2

Report
File Name File Type File Date Note
Comments
6/3/2014 Perry reported that they have been having a problem with their NOX readings. He said the wet oxygen probe has malfunctioned. The NOX and O2 readings have not been taken since yesterday (5/28/14). Parts have been ordered and the probe will be repaired when they come in. Perry said that he will be substituting data according to the written protocol for a 1 and 1/2 day period. GLENN CARPER
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