Wisconsin Administrative Code › Department of Natural Resources › NR 400-499 - Environmental Protection - Air Pollution Control › Chapter NR 466 - National emission standards for hazardous air pollutants for printing and flexible substrate surface coating processes › Subchapter I - Printing and Publishing › Section NR 466.03 - Symbols

Current through June 24, 2024
The symbols used in equations in this chapter have the
					 following meanings:
(1) Cahi is the
				  monthly average, as-applied, organic HAP content of solids-containing material,
				  i, expressed as a weight-fraction, in kg/kg (lb/lb).
(2) Casi is the monthly average, as applied,
				  solids content of solids-containing material, i, expressed as a
				  weight-fraction, in kg/kg (lb/lb).
(3) Chi is the organic HAP content of
				  solids-containing material, i, expressed as a weight-fraction, in kg/kg
				  (lb/lb).
(4) Chij is the organic
				  HAP content of solvent j, added to solids-containing material i, expressed as a
				  weight-fraction, in kg/kg (lb/lb).
(5) Chj is the organic HAP content of solvent
				  j, expressed as a weight-fraction, in kg/kg (lb/lb).
(6) Ci is the organic volatile matter
				  concentration in ppm, dry basis, of compound i in the vent gas, as determined
				  by Method 25 or Method 25A in 40 CFR Part 60, Appendix A, incorporated by
				  reference in s.
				  NR
				  484.04.
(7) Csi is the solids content of
				  solids-containing material, i, expressed as a weight-fraction, in kg/kg
				  (lb/lb).
(8) Cvi is the volatile
				  matter content of solids-containing material, i, expressed as a
				  weight-fraction, in kg/kg (lb/lb).
(9) E is the organic volatile matter control
				  efficiency of the control device, expressed as a percent.
(10) F is the organic volatile matter capture
				  efficiency of the capture system as a percent.
(11) Gi is the mass fraction of each
				  solids-containing material, i, which was applied at 20% by weight or greater
				  solids content, on an as-applied basis, in kg/kg (lb/lb).
(12) H is the total monthly organic HAP
				  applied, in kg (lb).
(13) Ha is the
				  monthly allowable organic HAP emissions, in kg (lb).
(14) HL is the monthly average, as-applied,
				  organic HAP content of all solids-containing materials applied at less than
				  0.04 kg organic HAP per kg of material applied (0.04 lb/lb), in kg/kg
				  (lb/lb).
(15) Hs is the monthly
				  average, as-applied, organic HAP to solids ratio, kg organic HAP/kg solids
				  applied (lb/lb).
(16) Hsi is the
				  as-applied, organic HAP to solids ratio of material i.
(17) L is the mass organic HAP emission rate
				  per mass of solids applied, in kg/kg (lb/lb).
(18) MBi is the sum of the mass of
				  solids-containing material, i, applied on intermittently-controllable work
				  stations operating in bypass mode and the mass of solids-containing material,
				  i, applied on never-controlled work stations, in a month, in kg (lb).
(19) MBj is the sum of the mass of solvent,
				  thinner, reducer, diluent or other non-solids-containing material, j, applied
				  on intermittently-controllable work stations operating in bypass mode and the
				  mass of solvent, thinner, reducer, diluent or other non-solids-containing
				  material, j, applied on never-controlled work stations, in a month, in kg
				  (lb).
(20) MCi is the sum of the
				  mass of solids-containing material, i, applied on intermittently-controllable
				  work stations operating in controlled mode and the mass of solids-containing
				  material, i, applied on always-controlled work stations, in a month, in kg
				  (lb).
(21) MCj is the sum of the
				  mass of solvent, thinner, reducer, diluent or other non-solids-containing
				  material, j, applied on intermittently-controllable work stations operating in
				  controlled mode and the mass of solvent, thinner, reducer, diluent or other
				  non-solids-containing material, j, applied on always-controlled work stations
				  in a month, in kg (lb).
(22) Mf is
				  the total organic volatile matter mass flow rate, in kg/hr (lb/hr).
(23) Mfi is the organic volatile matter mass
				  flow rate at the inlet to the control device, in kg/hr (lb/hr).
(24) Mfo is the organic volatile matter mass
				  flow rate at the outlet of the control device, in kg/hr (lb/hr).
(25) Mhu is the mass of organic HAP used in a
				  month, in kg (lb).
(26) Mi is the
				  mass of solids-containing material, i, applied in a month, in kg
				  (lb).
(27) Mij is the mass of
				  solvent, thinner, reducer, diluent or other non-solids-containing material, j,
				  added to solids-containing material, i, in a month, in kg (lb).
(28) Mj is the mass of solvent, thinner,
				  reducer, diluent or other non-solids-containing material, j, applied in a
				  month, in kg (lb).
(29) MLj is the
				  mass of solvent, thinner, reducer, diluent or other non-solids-containing
				  material, j, added to solids-containing materials which were applied at less
				  than 20% by weight solids content, on an as-applied basis, in a month, in kg
				  (lb).
(30) Mvr is the mass of
				  volatile matter recovered in a month, in kg (lb).
(31) Mvu is the mass of volatile matter,
				  including water, used in a month, in kg (lb).
(32) MWi is the molecular weight of compound
				  i in the vent gas, kg/kg-mol.
(33)
				  n is the number of organic compounds in the vent gas.
(34) p is the number of different inks,
				  coatings, varnishes, adhesives, primers and other solids-containing materials
				  applied in a month.
(35) q is the
				  number of different solvents, thinners, reducers, diluents or other
				  non-solids-containing materials applied in a month.
(36) Qsd is the volumetric flow rate of gases
				  entering or exiting the control device in dscm/hr, as determined by Method 2 in
				  40 CFR Part 60, Appendix A, incorporated by reference in s.
				  NR
				  484.04.
(37) R is the overall organic HAP control
				  efficiency as a percent.
(38) Re is
				  the overall effective organic HAP control efficiency for publication
				  rotogravure as a percent.
(39) Rv
				  is the organic volatile matter collection and recovery efficiency as a
				  percent.
(40) S is the mass organic
				  HAP emission rate per mass of material applied, in kg/kg (lb/lb).
(41) 0.0416 is the conversion factor for
				  molar volume, kg-mol/m3, at standard conditions.