Minnesota Administrative Rules

7011.9921 DEFINITIONS.

Subpart 1.

Scope.

The following definitions of words and phrases are controlling for the purposes of parts 7011.9921 to 7011.9927:

Subp. 2.

Air flow permeability.

"Air flow permeability" means the volumetric rate of air flow in cfm, produced by a pressure decrease of 0.5 inches water gage across a new, clean filtering fabric, divided by the area of the fabric in ft². Tests of air flow permeability must be performed as specified in ASTM Designation D737-69.

Subp. 3.

Agency.

"Agency" means the Minnesota Pollution Control Agency as constituted pursuant to Minnesota Statutes, section 116.02.

Subp. 4.

Asbestos.

"Asbestos" means any of six naturally occurring, hydrated mineral silicates: actinolite, amosite, anthophyllite, chrysotile, crocidolite, and tremolite.

Subp. 4a.

Commissioner.

"Commissioner" means the commissioner of the Minnesota Pollution Control Agency.

Subp. 5.

Debris.

"Debris" means waste produced by the demolition of a building or structure.

Subp. 6.

[Repealed by amendment, L 1987 c 186 s 15]

Subp. 7.

Local exhaust ventilation system.

"Local exhaust ventilation system" means the capture of particulate matter generated by a process through the application of an air stream induced at the process and a device which encloses the process, partially encloses the process, or guides the capturing air flow at the process. The design and operation of ventilation devices must conform with ANSI Z9.2-1971, published by the American National Standards Institute.

Subp. 8.

Manufacturing operation.

"Manufacturing operation" means the processing of asbestos or the production of any product containing asbestos, with the exception of any process in which an asbestos containing material is sprayed.

Subp. 9.

Particulate matter.

"Particulate matter" means any material, other than uncombined water, which exists in a finely divided form as a liquid or solid.

Subp. 10.

Spraying.

"Spraying" means any operation in which material is conveyed in the form of, or by the means of, a fluid stream from an application device to a receiving surface.

Subp. 11.

Visible emission.

"Visible emission" means any emission which is visually detectable.

Subp. 12.

Detectable amount of asbestos.

For purposes of parts 7011.9921 to 7011.9927 a product shall be deemed to contain asbestos if a detectable amount of asbestos is present in the product or in any material that goes into the product. A "detectable amount of asbestos" is defined as that amount detectable by the methods of x-ray diffraction, petrographic optical microscopy, or other method approved by the commissioner.

Statutory Authority:

MS s 116.07

History:

L 1987 c 186 s 15; 18 SR 614

Published Electronically:

February 25, 2008