Symbols

Symbols. Symbols. The symbols used in equations in this chapter have the following meanings: (1) C ahi 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) C asi is the monthly average, as applied, solids content of solids-containing material, i, expressed as a weight-fraction, in kg/kg (lb/lb). (3) C hi is the organic HAP content of solids-containing material, i, expressed as a weight-fraction, in kg/kg (lb/lb). (4) C hij 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) C hj is the organic HAP content of solvent j, expressed as a weight-fraction, in kg/kg (lb/lb). (6) C i 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) C si is the solids content of solids-containing material, i, expressed as a weight-fraction, in kg/kg (lb/lb). (8) C vi 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) G i 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) H a is the monthly allowable organic HAP emissions, in kg (lb). (14) H L 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) H s is the monthly average, as-applied, organic HAP to solids ratio, kg organic HAP/kg solids applied (lb/lb). (16) H si 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) M Bi 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) M B j 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) M Ci 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) M Cj 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) M f is the total organic volatile matter mass flow rate, in kg/hr (lb/hr). (23) M fi is the organic volatile matter mass flow rate at the inlet to the control device, in kg/hr (lb/hr). (24) M fo is the organic volatile matter mass flow rate at the outlet of the control device, in kg/hr (lb/hr). (25) M hu is the mass of organic HAP used in a month, in kg (lb). (26) M i is the mass of solids-containing material, i, applied in a month, in kg (lb). (27) M ij 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) M j is the mass of solvent, thinner, reducer, diluent or other non-solids-containing material, j, applied in a month, in kg (lb). (29) M Lj 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) M vr is the mass of volatile matter recovered in a month, in kg (lb). (31) M vu is the mass of volatile matter, including water, used in a month, in kg (lb). (32) MW i 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) Q sd 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) R e is the overall effective organic HAP control efficiency for publication rotogravure as a percent. (39) R v 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/m 3 , at standard conditions.