Md. Code Regs. 26.11.10.01 - Definitions
A. In this chapter,
the following terms have the meanings indicated.
B. Terms Defined.
(1) "Cold rolling operation" means an
installation that rolls steel that is not preheated.
(2) "Continuous casting" means a method of
pouring liquid steel into semifinished shapes.
(3) "Good management practices" means
operating and maintenance practices for controlling processes within design
conditions and minimizing air pollution to the extent practicable with existing
equipment.
(4) "Hot dip coating"
means a molten inorganic formulation used for coating on strip steel.
(5) "Hot rolling operation" means an
installation that rolls preheated steel.
(6) Iron and Steel Production Installations.
(a) "Iron and steel production installations"
means those installations and buildings used in the production of iron and
steel.
(b) As used in this chapter,
the term "installation" means an iron and steel production
installation.
(c) "Iron and steel
production installations" include the following:
(i) Materials-handling systems, including
systems for iron ore, ore pellets, coal, limestone, fluxes, sinter, coke,
steel-alloying ingredients, slag, and dust handling;
(ii) Blast furnace iron making;
(iii) Sintering plants;
(iv) Basic oxygen furnace, open hearth
furnace, and electric furnace steel-making equipment;
(v) Coke ovens;
(vi) Molten material transfer and process
operations, including teeming, tapping, reladling, and casting;
(vii) Continuous casting equipment;
(viii) Scarfing and other surface defect
removal equipment;
(ix) Blast
furnace pig-casting equipment;
(x)
Scrap preparation equipment, including scrap melting and burning
equipment;
(xi) Molten metal
desulfurization equipment;
(xii)
Raw material drying system;
(xiii)
Steel-cleaning equipment, including pickling; and
(xiv) Steel-coating equipment.
(7) "Opacity record"
means the highest average of any 6 consecutive minutes of readings measured and
calculated in the manner described in the Department's Technical Memorandum
(TM) 91-01 Method 1004I.
(8) "Tons
of sinter produced" means the weight of sinter that is transferred to the blast
furnace stockhouse during a calendar day.
(9) "Venturi scrubber flow rate" means the
water flow rate through the venturi scrubber.
(10) "Venturi scrubber pressure drop" means
the arithmetic difference between the static pressures of the gas stream at the
inlet and the outlet of the venturi scrubber.
Notes
Regulation .01B amended effective January 29, 2007 (34:2 Md. R. 138)
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