Minnesota Administrative Rules

7017.1050 MONITOR CERTIFICATION AND RECERTIFICATION TEST.

Subpart 1.

Certification time frame.

The owner or operator must conduct and complete certification testing within 90 days after the due date of the first excess emissions report required for the CEMS or COMS. This subpart does not require a recertification test of a previously certified continuous monitoring system, unless the monitor has undergone a change which invalidates its certification.

Subp. 2.

Changes to a CEMS or COMS which invalidate certification.

Any of the following changes to a certified CEMS or COMS invalidates the certification status of the monitoring system:

A.

replacement of the analyzer;

B.

change in location or orientation of the sampling probe or site;

C.

modification to the flue gas handling system which changes its flow characteristics; or

D.

a change that in the commissioner's judgment significantly affects the ability of the system to measure or record the pollutant concentration, volumetric gas flow, or opacity.

Subp. 3.

Changes to a CEMS or COMS which do not invalidate certification.

The following changes to a monitoring system do not invalidate certification and do not require a recertification test:

A.

routine or normal corrective maintenance;

B.

replacement of parts on the manufacturer's recommended spare parts list; or

C.

software modifications in the automated data acquisition and handling system, where the modification is only for the purpose of generating additional or modified reports.

Subp. 4.

Notification of changes requiring recertification.

The owner or operator shall notify the commissioner in writing prior to making any planned changes which may invalidate the certification status of a CEMS or COMS. If the change was unforeseen, the owner or operator shall notify the commissioner in writing within two working days after making the change.

Subp. 5.

Deadline for recertification.

The owner or operator of a CEMS or COMS shall conduct a recertification test on a monitoring system within 90 days of completion of any change which invalidates the monitor's certification status.

Statutory Authority:

MS s 116.07

History:

23 SR 1764

Published Electronically:

November 29, 2007