NR 440.45(6)(d)1.1. Method 16 shall be used to determine the TRS concentration. The TRS concentration shall be corrected to the appropriate oxygen concentration using the procedure in sub. (5) (c) 3. The sampling time shall be at least 3 hours, but no longer than 6 hours. NR 440.45(6)(d)2.2. The emission rate correction factor, integrated sampling and analysis procedure of Method 3B shall be used to determine the oxygen concentration. The sample shall be taken over the same time period as the TRS samples. NR 440.45(6)(d)3.3. When determining whether a furnace is a straight kraft recovery furnace or a cross recovery furnace, TAPPI Method T624, incorporated by reference in s. NR 440.17, shall be used to determine sodium sulfide, sodium hydroxide, and sodium carbonate. These determinations shall be made 3 times daily from the green liquor, and the daily average values shall be converted to sodium oxide (Na2O) and substituted into the following equation to determine the green liquor sulfidity: where:
GLS is the green liquor sulfidity, percent
is the concentration of as , mg/liter (gr/gal) is the concentration of NaOH as , mg/liter (gr/gal) is the concentration of as , mg/liter (gr/gal) NR 440.45(6)(e)1.1. The emission rate (E) of TRS shall be computed for each run using the following equation: where:
E is the emission rate of TRS, g/kg (lb/ton) of BLS or ADP
CTRS is the average combined concentration of TRS, ppm
F is the conversion factor, 0.001417 g H2S/m3-ppm (8.846 × 10-8 lb H2S/ft3-ppm)
Qsd is the volumetric flow rate of stack gas, dscm/hr (dscf/hr)
P is the black liquor solids feed or pulp production rate, kg/hr (ton/hr)
NR 440.45(6)(e)3.3. Method 2 shall be used to determine the volumetric flow rate (Qsd) of the effluent gas. NR 440.45(6)(e)4.4. Process data shall be used to determine the black liquor feed rate or the pulp production rate (P). NR 440.45(6)(f)(f) The owner or operator may use the following as alternatives to the reference methods and procedures specified in this subsection: NR 440.45(6)(f)1.1. For Method 5, Method 17 may be used if a constant value of 0.009 g/dscm (0.004 gr/dscf) is added to the results of Method 17 and the stack temperature is no greater than 204°C (400°F). NR 440.45 HistoryHistory: Cr. Register, January, 1984, No. 337, eff. 2-1-84; cr. (4) (a) 1. f. and (6) (d) 5., Register, September, 1986, No. 369, eff. 10-1-86; am. (1) (a) and (b), (2) (intro.) and (c), (3) (a) 2., (4) (a) 1. intro., d. and f., 2., 4. and 5., (5) (a) 2. intro., (b) 1., (a) (intro.), 3. intro. and b., (6) (d) 1., cr. (5) (c) 4., r. recr. (6) (d) 3., Register, September, 1990, No. 417, eff. 10-1-90; r, and recr. (6), Register, July, 1993, No. 451, eff. 8-1-93; correction in (6) (d) made under s. 13.93 (2m) (b) 7., Stats., Register, November, 1999, No. 527; CR 06-109: am. (2) (f) and (o), (3) (a) 2., 3. a., (4) (a) 1. (intro.), a., b., c. and e., (5) (a) 2. b., (c) (intro.) and 3. and (d) 3. b., (6) (c) 1., (e) 1. and (f) 1. and 2., cr. (5) (f) Register May 2008 No. 629, eff. 6-1-08. NR 440.46NR 440.46 Glass manufacturing plants. NR 440.46(1)(1) Applicability and designation of affected facility. NR 440.46(1)(a)(a) Each glass melting furnace is an affected facility to which the provisions of this section apply. NR 440.46(1)(b)(b) Any facility under par. (a) that commences construction or modification after June 15, 1979, is subject to the requirements of this section. NR 440.46(1)(c)(c) This section does not apply to hand glass melting furnaces, glass melting furnaces designed to produce less than 4.55 Mg (5 tons) of glass per day and all-electric melters.