NR 665.1084(2)(c)4.
4. `Calculations.' Calculate the average VO concentration ( -
See PDF for diagram 
) on a mass-weighted basis using the results for all waste determinations conducted according to subds.
2. and
3. and the following equation:
where:
-
See PDF for diagram = Average VO concentration of the hazardous waste at the point of waste treatment on a mass-weighted basis, ppmw
i = Individual waste determination “i" of the hazardous waste
n = Total number of waste determinations of the hazardous waste conducted for the averaging period (not to exceed 1 year)
Qi = Mass quantity of hazardous waste stream represented by Ci, kg/hr
QT = Total mass quantity of hazardous waste during the averaging period, kg/hr
Ci = Measured VO concentration of waste determination “
i" determined according to subd. 3. (i.e. the average of the 4 or more samples specified in subd. 2. b.), ppmw
NR 665.1084(2)(c)5.
5. `Compliance determination.' Provided that the test method is appropriate for the waste as required under subd.
3., determine compliance based on the test method used by the owner or operator recorded pursuant to s.
NR 665.1090 (6) (a).
NR 665.1084(2)(d)
(d) Procedure to determine the exit concentration limit (C
t) for a treated hazardous waste:
NR 665.1084(2)(d)1.
1. Identify the point of waste origination for each hazardous waste treated by the process at the same time.
NR 665.1084(2)(d)2.
2. If a single hazardous waste stream is identified in subd.
1., the exit concentration limit (C
t) shall be 500 ppmw.
NR 665.1084(2)(d)3.
3. If more than one hazardous waste stream is identified in subd.
1., determine the average VO concentration of each hazardous waste stream at the point of waste origination according to sub.
(1). Calculate the exit concentration limit (C
t) using the results determined for each individual hazardous waste stream and the following equation:
where:
Ct = Exit concentration limit for treated hazardous waste, ppmw
x = Individual hazardous waste stream “x" that has an average VO concentration less than 500 ppmw at the point of waste origination determined according to sub. (1)
y = Individual hazardous waste stream “y" that has an average VO concentration equal to or greater than 500 ppmw at the point of waste origination determined according to sub. (1)
m = Total number of “x" hazardous waste streams treated by process
n = Total number of “y" hazardous waste streams treated by process
Qx = Annual mass quantity of hazardous waste stream “
x", kg/yr
Qy = Annual mass quantity of hazardous waste stream “
y", kg/yr
-
See PDF for diagram = Average VO concentration of hazardous waste stream “x" at the point of waste origination determined according to sub. (1), ppmw
NR 665.1084(2)(e)
(e) Procedure to determine the organic reduction efficiency (R) for a treated hazardous waste:
NR 665.1084(2)(e)1.
1. Determine the organic reduction efficiency (R) for a treatment process based on results for a minimum of 3 consecutive runs.
NR 665.1084(2)(e)2.
2. Identify all hazardous waste streams entering the treatment process and all hazardous waste streams exiting the treatment process. Prepare a sampling plan for measuring these streams that accurately reflects the retention time of the hazardous waste in the process.
NR 665.1084(2)(e)3.
3. For each run, determine information for each hazardous waste stream identified in subd.
2. using all of the following procedures:
NR 665.1084(2)(e)3.a.
a. Determine the mass quantity of each hazardous waste stream entering the process (Q
b) and the mass quantity of each hazardous waste stream exiting the process (Q
a).
NR 665.1084(2)(e)3.b.
b. Determine the average VO concentration at the point of waste origination of each hazardous waste stream entering the process ( -
See PDF for diagram b) during the run according to sub.
(1) (c). Determine the average VO concentration at the point of waste treatment of each waste stream exiting the process ( -
See PDF for diagram a) during the run according to par.
(c).
NR 665.1084(2)(e)4.
4. Calculate the waste volatile organic mass flow entering the process (E
b) and the waste volatile organic mass flow exiting the process (E
a) using the results determined according to subd.
3. and the following equations:
where:
Ea = Waste volatile organic mass flow exiting process, kg/hr
Eb = Waste volatile organic mass flow entering process, kg/hr
m = Total number of runs (at least 3)
j = Individual run “j"
Qb = Mass quantity of hazardous waste entering process during run “j", kg/hr
Qa = Average mass quantity of hazardous waste exiting process during run “j", kg/hr
-
See PDF for diagram = Average VO concentration of hazardous waste exiting process during run “j" determined according to par. (c), ppmw
-
See PDF for diagram = Average VO concentration of hazardous waste entering process during run “j" determined according to sub. (1) (c), ppmw
NR 665.1084(2)(e)5.
5. Calculate the organic reduction efficiency of the process using the results determined according to subd.
4. and the following equation:
where:
R = Organic reduction efficiency, percent
Eb = Waste volatile organic mass flow entering process determined according to subd. 4., kg/hr
Ea = Waste volatile organic mass flow exiting process determined according to subd. 4., kg/hr
NR 665.1084(2)(f)
(f) Procedure to determine the organic biodegradation efficiency (R
bio) for a treated hazardous waste:
where:
Rbio = Organic biodegradation efficiency, percent
Fbio = Fraction of organic biodegraded determined according to subd. 1.
NR 665.1084(2)(g)
(g) Procedure to determine the required organic mass removal rate (RMR) for a treated hazardous waste:
NR 665.1084(2)(g)1.
1. Identify all of the hazardous waste streams entering the treatment process.
NR 665.1084(2)(g)2.
2. Determine the average VO concentration of each hazardous waste stream at the point of waste origination according to sub.
(1).
NR 665.1084(2)(g)3.
3. For each individual hazardous waste stream that has an average VO concentration equal to or greater than 500 ppmw at the point of waste origination, determine the average volumetric flow rate and the density of the hazardous waste stream at the point of waste origination.
NR 665.1084(2)(g)4.
4. Calculate the RMR using the average VO concentration, average volumetric flow rate and density determined for each individual hazardous waste stream, and the following equation:
where:
RMR = Required organic mass removal rate, kg/hr
y = Individual hazardous waste stream “y" that has an average VO concentration equal to or greater than 500 ppmw at the point of waste origination determined according to sub. (1)
n = Total number of “y" hazardous waste streams treated by process
Vy = Average volumetric flow rate of hazardous waste stream “y" at the point of waste origination, m 3/hr
ky = Density of hazardous waste stream “y", kg/m 3
-
See PDF for diagram = Average VO concentration of hazardous waste stream “y" at the point of waste origination determined according to sub. (1), ppmw
NR 665.1084(2)(h)
(h) Procedure to determine the actual organic mass removal rate (MR) for a treated hazardous waste:
NR 665.1084(2)(h)1.
1. Determine the MR based on results for a minimum of 3 consecutive runs. The sampling time for each run shall be one hour.
NR 665.1084(2)(h)2.
2. Determine the waste volatile organic mass flow entering the process (E
b) and the waste volatile organic mass flow exiting the process (E
a) according to par.
(e) 4. NR 665.1084(2)(h)3.
3. Calculate the MR using the mass flow rate determined according to subd.
2. and the following equation:
where:
MR = Actual organic mass removal rate, kg/hr
Eb = Waste volatile organic mass flow entering process determined according to par. (e) 4., kg/hr
Ea = Waste volatile organic mass flow exiting process determined according to par. (e) 4., kg/hr
NR 665.1084(2)(i)
(i) Procedure to determine the actual organic mass biodegradation rate (MR
bio) for a treated hazardous waste:
NR 665.1084(2)(i)1.
1. Determine the MR
bio based on results for a minimum of 3 consecutive runs. The sampling time for each run shall be one hour.
NR 665.1084(2)(i)4.
4. Calculate the MR
bio using the mass flow rates and fraction of organic biodegraded determined according to subds.
2. and
3., respectively, and the following equation:
where:
MRbio = Actual organic mass biodegradation rate, kg/hr
Eb = Waste organic mass flow entering process determined according to par. (e) 4., kg/hr
Fbio = Fraction of organic biodegraded determined according to subd. 3.
NR 665.1084(3)
(3)
Procedure to determine the maximum organic vapor pressure of a hazardous waste in a tank. NR 665.1084(3)(a)
(a) An owner or operator shall determine the maximum organic vapor pressure for each hazardous waste placed in a tank using Tank Level 1 controls according to the standards in s.
NR 665.1085 (3).
NR 665.1084(3)(b)
(b) An owner or operator shall use either direct measurement as specified in par.
(c) or knowledge of the waste as specified in par.
(d) to determine the maximum organic vapor pressure which is representative of the hazardous waste composition stored or treated in the tank.
