Multi-Sector Air Pollutants Regulations (SOR/2016-151)
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Regulations are current to 2024-11-26 and last amended on 2023-01-01. Previous Versions
PART 1Boilers and Heaters (continued)
Quantification (continued)
Thermal Efficiency (continued)
Marginal note:Required HHV methods
22 The required HHV methods are
(a) for gaseous fuels, as applicable,
(i) the ASTM D1826-94 method entitled Standard Test Method for Calorific (Heating) Value of Gases in Natural Gas Range by Continuous Recording Calorimeter, published by ASTM,
(ii) the ASTM D3588-98 method entitled Standard Practice for Calculating Heat Value, Compressibility Factor, and Relative Density of Gaseous Fuels, published by ASTM,
(iii) the ASTM D4891-89 method entitled Standard Test Method for Heating Value of Gases in Natural Gas Range by Stoichiometric Combustion, published by ASTM, and
(iv) the GPA Standard 2172-09 method entitled Calculation of Gross Heating Value, Relative Density, Compressibility and Theoretical Hydrocarbon Liquid Content for Natural Gas Mixtures for Custody Transfer, published by the Gas Processors Association of the United States and by the American Petroleum Institute (API) of the United States as the API Manual of Petroleum Measurement Standards, Chapter 14.5 (R2014);
(b) for liquid fuels, as applicable,
(i) the ASTM D240-09 method entitled Standard Test Method for Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter, published by ASTM, and
(ii) the ASTM D4809-09ae1 method entitled Standard Test Method for Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter (Precision Method), published by ASTM; and
(c) for solid fuels, as applicable,
(i) the ASTM D5865-12 method entitled Standard Test Method for Gross Calorific Value of Coal and Coke, published by ASTM, and
(ii) the ASTM D5468-02 method entitled Standard Test Method for Gross Calorific and Ash Value of Waste Materials, published by ASTM.
Marginal note:Constituents of fuel
23 (1) The concentration of carbon, hydrogen, nitrogen, sulphur and oxygen per kilogram of fuel introduced into the combustion chamber must be determined as a weighted average of the concentration of each of the constituents of each fuel in accordance with subsection (2).
Marginal note:Required concentration standards and calculation methods
(2) The concentration of the constituents of fuel must be determined
(a) for gaseous fuels, in accordance with, as applicable,
(i) ASTM D1945-03, and
(ii) ASTM D1946-90;
(b) for liquid fuels,
(i) in the case of the concentration of carbon, hydrogen and nitrogen, in accordance with the ASTM D5291-10 method entitled Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Petroleum Products and Lubricants, published by ASTM,
(ii) in the case of the concentration of sulphur, in accordance with the ASTM D4294-10 method entitled Standard Test Method for Sulfur in Petroleum and Petroleum Products by Energy Dispersive X-ray Fluorescence Spectrometry, published by ASTM, and
(iii) in the case of the concentration of oxygen, to be the remaining concentration after removing the determinations made for the concentrations of carbon, hydrogen, nitrogen and sulphur; and
(c) for solid fuel that
(i) is coal or coke,
(A) in the case of the concentration of carbon, hydrogen and nitrogen, in accordance with the ASTM D5373-08 method entitled Standard Test Methods for Instrumental Determination of Carbon, Hydrogen, and Nitrogen in Laboratory Samples of Coal, published by ASTM,
(B) in the case of the concentration of sulphur, in accordance with the ASTM D4239-12 method entitled Standard Test Method for Sulfur in the Analysis Sample of Coal and Coke Using High-Temperature Tube Furnace Combustion, published by ASTM, and
(C) in the case of the concentration of oxygen, to be the remaining concentration after removing the determinations made for the concentrations of carbon, hydrogen, nitrogen and sulphur, and
(ii) is derived from waste,
(A) in the case of the concentration of carbon and hydrogen, in accordance with the ASTM E777-08 method entitled Standard Test Method for Carbon and Hydrogen in the Analysis Sample of Refuse-Derived Fuel, published by ASTM,
(B) in the case of the concentration of nitrogen, in accordance with the ASTM E778-08 method entitled Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel, published by ASTM ,
(C) in the case of the concentration of sulphur, in accordance with the ASTM E775-87(2008)e1 method entitled Standard Test Methods for Total Sulfur in the Analysis Sample of Refuse-Derived Fuel, published by ASTM, and
(D) in the case of the concentration of oxygen, to be the remaining concentration after removing the determinations made for the concentrations of carbon, hydrogen, nitrogen and sulphur.
Marginal note:Difference of temperature — preheated air
24 For a modern heater that is equipped to preheat air, the difference between the temperature of its preheated air and the ambient air, for a given hour, must be determined by the formula
Tp − Ta
where
- Tp
- is the average temperature, expressed in °C, of the heater’s preheated air introduced into the combustion chamber during the given hour, as measured at the point of introduction to the combustion chamber; and
- Ta
- is the average temperature, expressed in °C, of the ambient air introduced into the preheater during the given hour, as measured at the point of introduction to the air preheater.
Determination of NOx Emission Intensity
Stack Test or CEMS Test
Marginal note:Conditions
25 The NOx emission intensity of a boiler or heater must be determined by means of
(a) a stack test or a CEMS test, if
(i) the boiler’s or heater’s rated capacity is at most 262.5 GJ/h, or
(ii) the boiler’s or heater’s rated capacity is more than 262.5 GJ/h and its NOx emission intensity was less than 80% of the NOx emission intensity limit applicable to it under any of sections 6, 7, 9 to 11, 13 and 14, as determined by means of one or more stack tests during
(A) its initial test conducted under section 33, and
(B) each of the first two compliance tests conducted under subparagraph 38(2)(c)(i); and
(b) subject to subsections 26(1) and paragraphs 33(2)(a) and 38(2)(a), a CEMS test in any other case.
Marginal note:Identification — exception to paragraph 25(b)
26 (1) The NOx emission intensity of a boiler or heater that is to be determined under paragraph 25(b) must be determined for a given hour in accordance with subsection (2), if the boiler or heater
(a) is not equipped with a CEMS; and
(b) has been identified under subsection (5) with another boiler or heater whose NOx emission intensity is determined for that given hour by means of a CEMS test as a rolling hourly average.
Marginal note:Greater of stack test and CEMS test
(2) The NOx emission intensity of a boiler or heater referred to in paragraph (1)(a) for each hour is the greater of
(a) the result of a stack test that is applicable to that hour, and
(b) the rolling hourly average for that hour determined by means of a CEMS test conducted on the other boiler or heater referred to in paragraph (1)(b).
Marginal note:Identification
(3) A boiler or heater referred to in paragraph (1)(a) may be identified with another boiler or heater referred to in paragraph (1)(b) if the following conditions are met:
(a) they have the same manufacturer;
(b) they have the same rated capacity;
(c) they are designed to have the same NOx emission intensity;
(d) they have the same equipment to preheat air, if any;
(e) they combust fuel from a common source;
(f) they are juxtaposed; and
(g) they are
(i) both class 80,
(ii) both class 70,
(iii) both transitional or modern, or one is transitional and the other is modern, or
(iv) both redesigned within the meaning of paragraph 10(2)(b).
Marginal note:When identification made
(4) The identification is made as of
(a) for class 80 boilers or heaters, the earlier of
(i) the recommissioning date of the boiler or heater referred to in paragraph (1)(a), if it underwent a major modification, and
(ii) January 1, 2026;
(b) for class 70 boilers or heaters, the earlier of
(i) the recommissioning date of the boiler or heater referred to in paragraph (1)(a), if it underwent a major modification, and
(ii) January 1, 2036;
(c) for transitional or modern boilers or heaters, the commissioning date of the boiler or heater referred to in paragraph (1)(a); and
(d) for redesigned boilers or heaters referred to in section 10, the recommissioning date of the boiler or heater referred to in paragraph (1)(a).
Marginal note:Identification by recording
(5) The identification is made on the recording of the following information:
(a) the name of the manufacturer — along with the serial number, make and model — of the boiler or heater referred to in paragraph (1)(a);
(b) the name of the manufacturer — along with the serial number, make and model — of the other boiler or heater referred to in paragraph (1)(b);
(c) documentation that establishes that those boilers or heaters meet the conditions set out in paragraphs (3)(b) to (g);
(d) an indication that the boiler or heater referred to in paragraph (a) is identified with the boiler or heater referred to in paragraph (b); and
(e) the date of the recording.
Marginal note:At most four identifications
(6) At most four boilers or heaters may be identified under subsection (5) with a given other boiler or heater referred to in paragraph (1)(b).
Stack Tests
Marginal note:Three test runs
27 (1) A stack test consists of three consecutive test runs conducted within a period of 48 hours, each of which lasts at least 30 minutes and results in a determination of the boiler’s or heater’s NOx emission intensity.
Marginal note:Operating conditions for test runs
(2) The test runs must be conducted while the boiler or heater meets the following conditions:
(a) it is operating with at least 50% of the input energy in its combustion chamber resulting from the introduction of gaseous fossil fuel;
(b) it is operating at at least 60% of its rated capacity;
(c) it is operating at a steady state;
(d) it is operating with preheated air, if it is equipped to preheat air; and
(e) the same type of gaseous fossil fuel — natural gas or alternative gas — is introduced into its combustion chamber.
Marginal note:Concentrations of NOx and O2
28 (1) For each test run, the measurements of the concentration of NOx, expressed in ppmvd, and the concentration of O2, expressed as a percentage determined by volume on a dry basis, in the boiler’s or heater’s flue gas must be made simultaneously and in accordance with either
(a) the following EPA methods:
(i) for the location of the sampling port and its traverse points, EPA Method 1 or EPA Method 1A, as applicable,
(ii) for the concentration of NOx, EPA Method 7E, and
(iii) for the concentration of O2, EPA Method 3A; or
(b) ASTM D6522-11 and, for the location of the sampling port and its traverse points, EPA Method 1 or EPA Method 1A, as applicable.
Marginal note:Exception — EC Method A
(2) Despite subsection (1), the location of the sampling port and its traverse points may be determined for the purpose of that subsection in accordance with EC Method A.
- Date modified: