NR 449.09(6)(a)1.1. For each run, one sample shall be collected. The sampling site shall be at least 2 stack or duct diameters downstream and one-half diameter upstream from any flow disturbance such as a bend, expansion, contraction or visible flame. For a rectangular cross section an equivalent diameter shall be determined from the following equation: The sampling point in the duct shall be at the centroid of the cross section. The sample shall be extracted at a rate proportional to the gas velocity at the sampling point. The sample shall be taken over a minimum of one hour, and shall contain a minimum volume of 50 liters corrected to standard conditions.
NR 449.09(6)(a)2.2. Each emission test shall consist of 3 runs. For the purpose of determining emissions, the average of results of all runs shall apply. The average shall be computed on a time weighted basis. NR 449.09(6)(a)3.3. For gas streams containing more than 10% oxygen the concentration of vinyl chloride as determined by Method 106 shall be corrected to 10% oxygen (dry basis) for determination of emissions by using the following equation: where:
Cb(corrected) is the concentration of vinyl chloride in the exhaust gases, corrected to 10% oxygen
Cb is the concentration of vinyl chloride as measured by Method 106
20.9 is the percent oxygen in the ambient air at standard conditions
10.9 is the percent oxygen in the ambient air at standard conditions minus the 10% oxygen to which the correction is being made
percent O2 is the percent oxygen in the exhaust gas as measured by Method 3 of 40 CFR part 60, Appendix A, incorporated by reference in s. NR 484.04 (13) NR 449.09(6)(a)4.4. For those emission sources where the emission limit is prescribed in terms of mass rather than concentration, mass emissions in kilograms per 100 kilograms product shall be determined by using the following equation: where:
CBX is the kg vinyl chloride/100 kg product
Cb is the concentration of vinyl chloride as measured by Method 106
2.60 equals the density of vinyl chloride at one atmosphere and 20°C in kg/m3
Q is the volumetric flow rate in m3/hr as determined by Method 2 of 40 CFR part 60, Appendix A, incorporated by reference in s. NR 484.04 (13) 10-6 is the conversion factor for parts per million
Z is the production rate (kilograms/hour)
NR 449.09(6)(c)1.1. The number of strippers and samples and the types and grades of resin to be sampled shall be determined by the department for each individual plant at the time of the test based on the plant’s operation. NR 449.09(6)(c)2.2. Each sample shall be taken immediately following the stripping operation. NR 449.09(6)(c)3.3. The corresponding quantity of material processed by each stripper shall be determined on a dry solids basis and by a method submitted to and approved by the department. NR 449.09(6)(c)4.4. At the prior request of the department, the owner or operator shall provide duplicates of the samples required in subd. 1. NR 449.09(6)(d)(d) Where control technology other than or in addition to a stripping operation is used to attain the emission limit in s. NR 449.06 (5), emissions shall be determined as follows: NR 449.09(6)(d)1.1. Method 106 of 40 CFR part 61, Appendix B, incorporated by reference in s. NR 484.04 (23), shall be used to determine atmospheric emissions from all of the process equipment simultaneously. The requirements of par. (a) shall be met. NR 449.09(6)(d)2.2. Method 107 of 40 CFR part 61, Appendix B, incorporated by reference in s. NR 484.04 (23), shall be used to determine the concentration of vinyl chloride in each inprocess wastewater stream subject to the emission limit prescribed in s. NR 449.06 (5). The mass of vinyl chloride in kilograms per 100 kilograms product in each inprocess wastewater stream shall be determined by using the following equation: where:
CBX is the kg vinyl chloride/100 kg product
Cd is the concentration of vinyl chloride as measured by Method 107
R is the water flow rate in l/hr determined in accordance with a method which has been submitted to and approved by the department
10-6 is the conversion factor for parts per million
Z is the production rate (kg/hr), determined in accordance with a method which has been submitted and approved by the department
NR 449.09(6)(e)(e) The vinyl chloride reactor opening loss for which an emission limit is prescribed in s. NR 449.06 (1) (b) shall be determined. The number of reactors for which the determination shall be made shall be specified by the department for each individual plant at the time of the determination based on the plant’s operation. For a vinyl chloride reactor that is also used as a stripper, the determination may be made immediately following the stripping operation. NR 449.09(6)(e)1.1. Except as provided in subd. 2., the vinyl chloride reactor opening loss shall be determined using the following equation: where:
C is the kg vinyl chloride emissions/kg product
W is the capacity of the vinyl chloride reactor in m3
2.60 is the density of vinyl chloride at one atmosphere and 20°C in kg/m3
10-6 is the conversion factor for ppm
Cb is ppm by volume vinyl chloride as determined by Method 106 of 40 CFR part 61, Appendix B, incorporated by reference in s. NR 484.04 (23), or by a portable hydrocarbon detector which measures hydrocarbons with a sensitivity of at least 10 ppm Y is the number of batches since the vinyl chloride reactor was last opened to the atmosphere
Z is the average kg of polyvinyl chloride produced per batch in the batches since the vinyl chloride reactor was last opened to the atmosphere
NR 449.09(6)(e)1.a.a. If Method 106 is used to determine the concentration of vinyl chloride (Cb), the sample shall be withdrawn at a constant rate with a probe of sufficient length to reach the vessel bottom from the manhole. Samples shall be taken for 5 minutes within 6 inches of the vessel bottom, 5 minutes near the vessel center, and 5 minutes near the vessel top. NR 449.09(6)(e)1.b.b. If a portable hydrocarbon detector is used to determine the concentration of vinyl chloride (Cb), a probe of sufficient length to reach the vessel bottom from the service access hole shall be used to make the measurements. One measurement shall be made within 6 inches of the vessel bottom, one near the vessel center and one near the vessel top. Measurements shall be made at each location until the reading is stabilized. All hydrocarbons measured shall be assumed to be vinyl chloride. NR 449.09(6)(e)1.c.c. The production rate of polyvinyl chloride (Z) shall be determined by a method submitted to and approved by the department. NR 449.09(6)(e)2.2. A calculation based on the number of evacuations, the vacuum involved, and the volume of gas in the reactor is hereby approved by the department as an alternative method for determining reactor opening loss for past polymerization reactors in the manufacture of bulk resins. NR 449.09 HistoryHistory: Renum. from NR 154.19 (6) (i) and am. Register, September, 1986, No. 369, eff. 10-1-86; correction in (6) (e) 1. b., made under s. 13.93 (2m) (b) 5., Stats., Register, May, 1992, No. 437; am. (6) (intro.) (a) (intro.) 3., 4., (b), (c) (intro.) (d) 1. and 2., (e) 1. (intro.), Register, December, 1995, No. 480, eff. 1-1-96. NR 449.10(2)(2) The vinyl chloride monitoring system used to meet the requirement in sub. (1) shall be a device which obtains air samples from one or more points on a continuous sequential basis and analyzes the samples with gas chromatography or, if the owner or operator assumes that all hydrocarbons measured are vinyl chloride, with infrared spectrophotometry, flame ion detection, or an equivalent or alternative method. The vinyl chloride monitoring system used to meet the requirements in s. NR 449.07 (2) (h) 2. may be used to meet the requirements of this section. NR 449.10(3)(3) A daily span check shall be conducted for each vinyl chloride monitoring system used. For all of the emission sources listed in sub. (1), except the one for which an emission limit is prescribed in s. NR 449.04 (2), the daily span check shall be conducted with a concentration of vinyl chloride equal to 10 parts per million. For the emissions source for which an emission limit is prescribed in s. NR 449.04 (2), the daily span check shall be conducted with a concentration of vinyl chloride which is determined to be equivalent to the emission limit for that source based on the emission test required by s. NR 449.09. The calibration shall be done with: NR 449.10(3)(a)(a) A calibration gas mixture prepared from the gases specified in sections 5.2.1 and 5.2.2 and in accordance with section 7.1 of Method 106 of 40 CFR part 61, Appendix B, incorporated by reference in s. NR 484.04 (23), or NR 449.10(3)(b)(b) A calibration gas cylinder standard containing the appropriate concentration of vinyl chloride. The gas composition of the calibration gas cylinder standard shall have been certified by the manufacturer. The manufacturer must have recommended a maximum shelf life for each cylinder so that the concentration does not change greater than plus or minus 5% from the certified value. The date of gas cylinder preparation, certified vinyl chloride concentration and recommended maximum shelf life must have been affixed to the cylinder before shipment from the manufacturer to the buyer. If a gas chromatograph is used as the vinyl chloride monitoring system, these gas mixtures may be directly used to prepare a chromatograph calibration curve as described in section 7.3 of Method 106 of 40 CFR part 61, Appendix B, incorporated by reference in s. NR 484.04 (23). The requirements in sections 5.2.3.1 and 5.2.3.2 of Method 106 for certification of cylinder standards and for establishment and verification of calibration standards shall be followed. NR 449.10 HistoryHistory: Renum. from NR 154.19 (6) (j) and am. Register, September, 1986, No. 369, eff. 10-1-86; am. (3) (a) and (b), Register, December, 1995, No. 480, eff. 1-1-96. NR 449.11(1)(1) The owner or operator of any source to which this chapter applies and on which construction or modification is commenced after February 1, 1984 shall notify the department in writing that the equipment and procedural specifications in s. NR 449.07 (2) (a) to (h) are being implemented. NR 449.11(2)(2) The statement shall be submitted to the department within 90 days of the initial startup date. The statement shall contain the information specified in this subsection. NR 449.11(2)(b)(b) A description of the physical and functional characteristics of each piece of equipment, NR 449.11(2)(c)(c) A description of the methods which have been incorporated into the standard operating procedures for measuring or calculating the emissions for which emission limits are prescribed in s. NR 449.07 (2) (a) 1. and (f) 1., and NR 449.11(2)(d)(d) A statement that each piece of equipment is installed and that each piece of equipment and each procedure is being used. NR 449.11 HistoryHistory: Renum. from NR 154.19 (6) (k) and am. Register, September, 1986, No. 369, eff. 10-1-86. NR 449.12(1)(1) The owner or operator of any source subject to this chapter shall submit to the department on September 15 and March 15 of each year a report in writing containing the information required by this section. NR 449.12(2)(2) The first semiannual report shall be submitted within 180 days of the initial startup date of a source on which construction or modification commenced after February 1, 1984. NR 449.12(3)(3) Unless otherwise specified, the owner or operator shall use the Methods of 40 CFR part 61, Appendix B, incorporated by reference in s. NR 484.04 (23), to conduct emission tests as required by pars. (b) and (c), unless an equivalent or an alternative method has been approved by the department. If the department finds reasonable grounds to dispute the results obtained by an equivalent or alternative method, the department may require the use of a reference method. If the results of the reference and equivalent or alternative methods do not agree, the results obtained by the reference method prevail, and the department may notify the owner or operator that approval of the method previously considered to be equivalent or alternative is withdrawn. NR 449.12(3)(b)(b) In polyvinyl chloride plants for which a stripping operation is used to attain the emission level prescribed in s. NR 449.06 (5), the owner or operator shall include in the report a record of the vinyl chloride content in the polyvinyl chloride resin. Method 107 of 40 CFR part 61, Appendix B, incorporated by reference in s. NR 484.04 (23), shall be used to determine vinyl chloride content in accordance with this paragraph. NR 449.12(3)(b)1.1. If batch stripping is used, one representative sample of polyvinyl chloride resin shall be taken from each batch of each grade of resin immediately following the completion of the stripping operation and identified by resin type and grade and the date and time the batch is completed. The corresponding quantity of material processed in each stripper batch shall be recorded and identified by resin type and grade and the date and time the batch is completed. NR 449.12(3)(b)2.2. If continuous stripping is used, one representative sample of polyvinyl chloride resin shall be taken for each grade of resin processed, whichever is more frequent. The sample shall be taken as the resin flows out of the stripper and identified by resin type and grade and the date and time the sample was taken. The corresponding quantity of material processed by each stripper over the time period represented by the sample during the 8-hour period shall be recorded and identified by resin type and grade and the date and time it represents. NR 449.12(3)(b)3.3. The quantity of material processed by the stripper shall be determined on a dry solids basis and by a method submitted to and approved by the department. NR 449.12(3)(b)4.4. At the prior request of the department, the owner or operator shall provide duplicates of the samples required in subds. 1. and 2. NR 449.12(3)(b)5.5. The report to the department by the owner or operator shall include the vinyl chloride content found in each sample required by subds. 1. and 2., averaged separately for each type of resin, over each calendar day and weighted according to the quantity of each grade of resin processed by the stripper or strippers that calendar day, according to the following equation: where:
ATi is the 24-hour average concentration of type Ti resin in ppm (dry weight basis)
QTi is the total production of type Ti resin over the 24-hour period in kilograms
Ti is the type of resin
MGi is the concentration of vinyl chloride in one sample of grade Gi resin in parts per million
PGi is the production of grade Gi resin represented by the sample in kilograms
Gi is the grade of resin (e.g., G1, G2 and G3)
n is the total number of grades of resin produced during the 24-hour period
NR 449.12(3)(b)6.6. Records of all data needed to furnish the information required by subd. 5. shall be retained at the source and made available for inspection by a department representative for a minimum of 3 years. The records shall contain: NR 449.12(3)(b)6.a.a. The vinyl chloride content found in all the samples required in subds. 1. and 2., identified by the resin type and grade and the time and date of the sample, and NR 449.12(3)(b)6.b.b. The corresponding quantity of polyvinyl chloride resin processed by the stripper or strippers identified by the resin type and grade and the time and date it represents. NR 449.12(3)(c)(c) The owner or operator shall include in the report a record of the emissions from each reactor opening for which an emission limit is prescribed in s. NR 449.06 (1) (b). Emissions shall be determined in accordance with s. NR 449.09 (6) (e), except that emissions for each reactor are to be determined. For a reactor that is also used as a stripper, the determination may be made immediately following the stripping operation. NR 449.12 HistoryHistory: Renum. from NR 154.19 (6) (l) and am. Register, September, 1986, No. 369, eff. 10-1-86; am. (3) (intro.) (a), (b) (intro.) and 5., Register, December, 1995, No. 480, eff. 1-1-96; am. (3) (b) 6. intro., Register, January, 1997, No. 493, eff. 2-1-97. NR 449.13NR 449.13 Recordkeeping. The owner or operator of any source subject to this chapter shall retain the information specified in this section at the source and make it available for inspection by a department representative for a minimum of 2 years. NR 449.13(1)(1) A record of the leaks detected by the vinyl chloride monitoring system, as required by s. NR 449.07 (2) (h), including the concentrations of vinyl chloride measured, analyzed, and recorded by the vinyl chloride detector, the location of each measurement and the date and approximate time of each measurement.
