Mich. Admin. Code R. 336.1120 - Definitions; T
Rule 1 20. As used in these rules:
(a) "Temporary source " means a stationary
source , process, or process equipment that commences operation and is located
at a geographic site for not more than 12 consecutive months.
(b) "Texture coat " means a coating that is
applied to a plastic part which, in its finished form, consists of discrete
raised spots of the coating.
(c)
"Thin particleboard " means a manufactured board that is 1/4 of an inch or less
in thickness and which is made of individual wood particles that have been
coated with a binder and formed into flat sheets by pressure.
(d) "Thinning tank ," as it pertains to
R 336.1631, means any vessel that
receives resin from a reactor and to which solvents or other materials are
added to thin the resin.
(e)
"Tileboard " means paneling that has a colored, waterproof surface
coating .
(f) "Toxic air
contaminant " or "TAC" means any air contaminant for which there is no national
ambient air quality standard and which is or may become harmful to public
health or the environment when present in the outdoor atmosphere in sufficient
quantities and duration. For the purpose of this definition, all of the
following substances shall not be considered to be toxic air
contaminant s:
(i)
Acetylene.
(ii) Aluminum metal
dust.
(iii) Aluminum oxide
(nonfibrous forms).
(iv) Ammonium
sulfate.
(v) Animal or plant
materials, including extracts and concentrates thereof, used as ingredients in
food products or dietary supplements in accordance with applicable regulations
of the United States food and drug administration.
(vi) Argon.
(vii) Calcium carbonate.
(viii) Calcium hydroxide.
(ix) Calcium oxide.
(x) Calcium silicate.
(xi) Calcium sulfate.
(xii) Carbon dioxide.
(xiii) Carbon monoxide.
(xiv) Cellulose.
(xv) Coal dust.
(xvi) Crystalline silica emissions from any
of the following processes:
(A) Extraction and
processing of all metallic or non-metallic minerals.
(B) Sand production, processing , and
drying.
(C) Asphalt
production.
(D) Concrete
production.
(E) Glass and
fiberglass manufacturing.
(F)
Foundries.
(G) Foundry residual
recovery activities.
(H) Any other
process if the crystalline silica emissions are less than 10% of the total
PM-10 emissions.
(xvii)
Emery.
(xviii) Ethane.
(xix) Graphite (synthetic).
(xx) Grain dust.
(xxi) Helium.
(xxii) Hydrogen.
(xxiii) Iron oxide.
(xxiv) Lead.
(xxv) Liquefied petroleum gas
(l.p.g.).
(xxvi) Methane.
(xxvii) Neon.
(xxviii) Nitrogen.
(xxviii) Nitrogen oxides.
(xxx) Nuisance particulates.
(xxxi) Oxygen.
(xxxii) Ozone.
(xxxiii) Perlite.
(xxxiv) Portland cement.
(xxxv) Propane.
(xxxvi) Silicon.
(xxxvii) Starch.
(xxxviii) Sucrose.
(xxxix) Sulfur dioxide.
(xl) Vegetable oil mist.
(xli) Water vapor.
(xlii) Zinc metal dust.
(g) "Toxicological interaction " means the
simultaneous exposure to 2 or more hazardous substances which will produce a
toxicological response that is greater or less than their individual
responses.
(h) "Transfer
efficiency " means the percentage of coating solids material that leaves the
coating applicator and remains on the surface of the product.
(i) "True vapor pressure " means the
equilibrium partial pressure exerted by a liquid or the sum of partial
pressures exerted by a mixture of liquids. For refined petroleum stock
(gasolines and naphthas) and crude oil, the "true vapor pressure " may be
determined in accordance with methods described in American petroleum institute
MPMS C19 S2, "Manual of Petroleum Measurement Standards, Chapter 19,
Evaporative Loss Measurements, Section 2, Evaporative Loss From Floating-Roof
Tanks," adopted by reference in
R
336.1902.
Notes
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