Minnesota Administrative Rules

7011.2015 PERFORMANCE TEST PROCEDURES.

Subpart 1.

In general.

Performance tests shall be conducted according to the requirements of this part and parts 7017.2001 to 7017.2060.

Subp. 2.

Special procedures.

In testing for the concentration of particulate matter and the associated moisture content, the sampling for each run shall continue for an integral number of steel production cycles with total duration of at least 60 minutes. The sampling rate shall be at least 0.9 dscm/hr (0.53 dscf/min) except that shorter sampling times, when necessitated by process variables or other factors, may be approved by the commissioner. A cycle shall start at the beginning of either the scrap preheat or the oxygen blow and shall terminate immediately prior to tapping.

Statutory Authority:

MS s 116.07

History:

18 SR 614; 18 SR 1412

Published Electronically:

April 16, 2020