The Non-Road Mobile Machinery (Emission of Gaseous and Particulate Pollutants) Regulations 1999
PART I
1Citation and commencement
2Interpretation
PART II
3Scope and Exclusions
4General duty relating to placing on the market
5Categories of engines
6Provisions for grant of type approval certificate
7Transitional provisions in respect of placing on the market
8Application for type approval
9Approval of engines
10Amendments to approvals
11Conformity
12Provision of Technical Service
13Non-conformity with the approved type or family
14Fees
15Exemptions and alternative procedures
PART III
16Enforcement Authorities
17Offences
18Penalty
19Defence of due diligence
20Liability of persons other than the principal offender
SCHEDULE 1(Annex 1 to Directive 97/68/EC)
[1This section is implemented by regulation 3.]
2DEFINITIONS, SYMBOLS AND ABBREVIATIONS
2.1compression ignition (C.I.) engine shall mean an engine which works...
2.2gaseous pollutants shall mean carbon monoxide, hydrocarbons (assuming a ratio...
2.3particulate pollutants shall mean any material collected on a specified...
2.4net power shall mean the power in “EEC kW” obtained...
2.5rated speed shall mean the maximum full load speed allowed...
2.6per cent load shall mean the fraction of the maximum...
2.7maximum torque speed shall mean the engine speed at which...
2.8intermediate speed shall mean that engine speed which meets one...
2.9Symbols and Abbreviations
2.9.1Symbols for test parameters Symbol Unit Term AP m2 Cross...
2.9.2Symbols for the chemical components CO Carbon monoxide CO2 Carbon...
2.9.3Abbreviations FID Flame ionization detector HFID Heated flame ionization detector...
3ENGINE MARKINGS
3.1The engine approved as a technical unit must bear:
3.1.1the trade mark or trade name of the manufacturer of...
3.1.2the engine type, engine family (if applicable), and a unique...
3.1.3the EC type-approval number as described in Annex VII.
3.2These marks must be durable for the useful life of...
3.3These marks must be secured to an engine part necessary...
3.3.1These marks must be located so as to be readily...
3.3.2Each engine must be provided with a supplementary movable plate...
3.4The coding of the engines in context with the identification...
3.5Before leaving the production line the engines must bear all...
3.6The exact location of the engine markings shall be declared...
4SPECIFICATIONS AND TESTS
4.1General
4.2Specifications concerning the emissions of pollutants
4.2.1The emissions of the carbon monoxide, the emissions of hydrocarbons,...
4.2.2The emission limits given in paragraph 4.2.1 are engine-out limits...
4.2.3The emissions of the carbon monoxide, the emissions of hydrocarbons,...
4.2.4Where, as defined according to Section 6 in conjunction with...
4.3Installation on the mobile machinery
4.3.1intake depression shall not exceed that specified for the approved...
4.3.2exhaust back pressure shall not exceed that specified for the...
5SPECIFICATION OF CONFORMITY OF PRODUCTION ASSESSMENTS
5.1With regard to the verification of the existence of satisfactory...
5.2The holder of the approval shall in particular:
5.2.1ensure existence of procedures for the effective control of the...
5.2.2have access to the control equipment necessary for checking the...
5.2.3ensure that data of test results are recorded and that...
5.2.4analyse the results of each type of test, in order...
5.2.5ensure that any sampling of engines or components giving evidence...
5.3The competent authority which has granted type approval may at...
5.3.1In every inspection, the test books and production survey record...
5.3.2When the quality level appears unsatisfactory or when it seems...
5.3.2.1an engine is taken from the series and subjected to...
5.3.2.2if the engine taken from the series does not satisfy...
5.3.3The approval authority or the technical service responsible for verifying...
5.3.4The normal frequency of inspections authorized by the competent authority...
6PARAMETERS DEFINING THE ENGINE FAMILY
6.1Combustion cycle: 2 cycle 4 cycle
6.2Cooling medium: air water oil
6.3Individual cylinder displacement: engines to be within a total spread...
6.4Method of air aspiration: naturally aspirated pressure charged
6.5Combustion chamber type/design: pre-chamber swirl chamber open chamber
6.6Valve and porting—configuration, size and number: cylinder head cylinder wall...
6.7Fuel system: pump-line-injector in-line pump distributor pump single element unit...
6.8Miscellaneous features: exhaust gas recirculation water injection/emulsion air injection charge...
6.9Exhaust after-treatment: oxidation catalyst reduction catalyst thermal reactor particulates trap...
7CHOICE OF THE PARENT ENGINE
7.1The parent engine of the family shall be selected using...
7.2If engines within the family incorporate other variable features which...
SCHEDULE 2(Annex II to Directive 97/68/EC)
SCHEDULE 3(Annex III to Directive 97/68/EC)
1INTRODUCTION
1.1This Annex describes the method of determining emissions of gaseous...
1.2The test shall be carried out with the engine mounted...
2TEST CONDITIONS
2.1General Requirements
2.2Engine test conditions
2.2.1The absolute temperature Ta of the engine intake air expressed...
2.2.2Test validity
2.2.3Engines with charge air cooling
2.3Engine air inlet system
2.4Engine exhaust system
2.5Cooling system
2.6Lubricating oil
2.7Test fuel
2.8Determination of dynamometer settings
3TEST RUN
3.1Preparation of the sampling filters
3.2Installation of the measuring equipment
3.3Starting the dilution system and engine
3.4Adjustment of the dilution ratio
3.5Checking the analysers
3.6Test cycle
3.6.1Specification A of machinery according to Section I of Annex...
3.6.1.1The following 8-mode cycle shall be followed in dynamometer operation...
3.6.2Conditioning of the Engine
3.6.3Test sequence
3.6.4Analyser response
3.6.5Particulate sampling
3.6.6Engine conditions
3.7Re-checking the analysers
Appendix 1
1MEASUREMENT AND SAMPLING PROCEDURES
1.1Dynamometer specification
1.2Exhaust gas flow
1.2.1Direct measurement method
1.2.2Air and fuel measurement method
1.2.3Carbon balance method
1.2.4Total dilute exhaust gas flow
1.3Accuracy
1.4Determination of the gaseous components
1.4.1General analyser specifications
1.4.1.1Measurement error
1.4.1.2Repeatability
1.4.1.3Noise
1.4.1.4Zero drift
1.4.1.5Span drift
1.4.2Gas drying
1.4.3Analysers
1.4.3.1Carbon monoxide (CO) analysis
1.4.3.2Carbon dioxide (CO2) analysis
1.4.3.3Hydrocarbon (HC) analysis
1.4.3.4Oxides of nitrogen (NOX) analysis
1.4.4Sampling for gaseous emissions
1.5Determination of the particulates
1.5.1Particulate sampling filters
1.5.1.1Filter specification
1.5.1.2Filter size
1.5.1.3Primary and back-up filters
1.5.1.4Filter face velocity
1.5.1.5Filter loading
1.5.2Weighing chamber and analytical balance specifications
1.5.2.1Weighing chamber conditions
1.5.2.2Reference filter weighing
1.5.2.3Analytical balance
1.5.2.4Elimination of static electricity effects
1.5.3Additional specifications for particulate measurement
Appendix 2
1CALIBRATION OF THE ANALYTICAL INSTRUMENTS
1.1Introduction
1.2Calibration gases
1.2.1Pure gases
1.2.2Calibration and span gases
1.3Operating procedure for analysers and sampling system
1.4Leakage test
1.5Calibration procedure
1.5.1Instrument assembly
1.5.2Warming-up time
1.5.3NDIR and HFID analyser
1.5.4Calibration
1.5.5Establishment of the calibration curve
1.5.5.1General guidelines
1.5.5.2Calibration below 15% of full scale
1.5.5.3Alternative methods
1.6Verification of the calibration
1.7Efficiency test of the NOX converter
1.7.1Test set-up
1.7.2Calibration
1.7.3Calculation
1.7.4Adding of oxygen
1.7.5Activation of the ozonator
1.7.6NOX mode
1.7.7De-activation of the ozonator
1.7.8NO mode
1.7.9Test interval
1.7.10Efficiency requirement
1.8Adjustment of the FID
1.8.1Optimization of the detector response
1.8.2Hydrocarbon response factors
1.8.3Oxygen interference check
1.9Interference effects with NDIR and CLD analysers
1.9.1CO analyser interference check
1.9.2NOX analyser quench checks
1.9.2.1CO2 quench check
1.9.2.2Water quench check
1.10Calibration intervals
2CALIBRATION OF THE PARTICULATE MEASURING SYSTEM
2.1Introduction
2.2Flow measurement
2.3Checking the dilution ratio
2.4Checking the partial flow conditions
2.5Calibration intervals
Appendix 3
1DATA EVALUATION AND CALCULATIONS
1.1Gaseous emissions data evaluation
1.2Particulate emissions
1.3Calculation of the gaseous emissions
1.3.1Determination of the exhaust gas flow
1.3.2Dry/wet correction
1.3.3Humidity correction for NOX
1.3.4Calculation of emission mass flow rates
1.3.5Calculation of the specific emissions
1.4Calculation of the particulate emission
1.4.1Humidity correction factor for particulates
1.4.2Partial flow dilution system
1.4.2.1Isokinetic systems G EDFW,i = G EXHW,i x q i...
1.4.2.2Systems with measurement of CO2 or NOX concentration G EDFW,i...
1.4.2.3Systems with CO2 measurement and carbon balance method G EDFW,i...
1.4.2.4Systems with flow measurement G EDFW,i = G EXHW,i x...
1.4.3Full flow dilution system
1.4.4Calculation of the particulate mass flow rate
1.4.5Calculation of the specific emissions
1.4.6Effective weighting factor
SCHEDULE 4(Annex IV to Directive 97/68/EC)
SCHEDULE 5(ANNEX V to Directive 97/68/EC)
1.1Determination of the gaseous emissions
1.1.1Gaseous exhaust components CO, CO2, HC, NOX
Figure 2Flow diagram of exhaust gas analysis system for CO, CO2 and HC
Figure 3Flow diagram of dilute exhaust gas analysis system for CO, CO2, NOX and HC
Descriptions—Figures 2 and 3
1.2Determination of the particulates
1.2.1Dilution system
1.2.1.1Partial flow system (Figures 4 to 12)
Figure 4Partial flow dilution system with isokinetic probe and fractional sampling (SB control)
Figure 5Partial flow dilution system with isokinetic probe and fractional sampling (PB control)
Figure 6Partial flow dilution system with CO2 or NOX concentration measurement and fractional sampling
Figure 7Partial flow dilution system with CO2 concentration measurement, carbon balance and total sampling
Figure 8Partial flow dilution system with single venturi, concentration measurement and fractional sampling
Figure 9Partial flow dilution system twin venturi or twin orifice, concentration measurement and fractional sampling
Figure 10Partial flow dilution system with multiple tube splitting, concentration measurement and fractional sampling
Figure 11Partial flow dilution system with flow control and total sampling
Figure 12Partial flow dilution system with flow control and fractional sampling
Description— Figures 4 to 12
— EP exhaust pipe
— SP Sampling probe (Figures 6 to 12)
— ISP isokinetic sampling probe (Figures 4 and 5)
— FD1, FD2 flow divider (Figure 9)
— FD3 flow divider (Figure 10)
— EGA exhaust gas analyser (Figures 6 to 10)
— TT Transfer tube (Figures 4 to 12)
— DPT differential pressure transducer (Figures 4, 5 and 10)
— FCI flow controller (Figures 4, 5 and 10)
— PCVI, PCV2 pressure control valve (Figure 9)
— DC damping chamber (Figure 10)
— VN venturi (Figure 8)
FC2 flow controller (Figures 6, 7, 11 and 12, optional)
FM1 flow measurement device (Figures 6, 7, 11 and 12)
FM2 flow measurement device (Figure 12)
PB pressure blower (Figures 4, 5, 6, 7, 8, 9 and 12)
— DAF dilution air filter (Figures 4 to 12)
— PSP particulate sampling probe (Figures 4, 5, 6, 8, 9, 10 and 12)
— DT dilution tunnel (Figures 4 to 12)
— HE heat exchanger (Figures 9 and 10)
1.2.1.2Full flow dilution system (Figure 13)
Descriptions—Figure 13
— EP exhaust pipe
Figure 13Full flow dilution system
— PDP positive displacement pump
— CFV critical flow venturi
— HE heat exchanger (optional if EFC is used)
— EFC electronic flow compensation (optional if HE is used)
— DT dilution tunnel
— DAF dilution air filter
— PSP particulate sampling probe
1.2.2Particulate sampling system (Figures 14 and 15)
Descriptions—Figures 14 and 15
— PSP particulate sampling probe (Figures 14 and 15)
Figure 14Particulate sampling system
Figure 15Dilution system (full flow system only)
— PTT particulate transfer tube (Figures 14 and 15)
— SDT secondary dilution tunnel (Figure 15)
— FH filter holder(s) (Figures 14 and 15)
— P sampling pump (Figures 14 and 15)
— DP dilution air pump (Figure 15) (full flow double dilution only)
— FC3 flow controller (Figures 14 and 15)
— FM3 flow measurement device (Figures 14 and 15) (particulate sample flow)
— FM4 flow measurement device (Figure 15) (dilution air, full flow double dilution only)
— BV ball valve (optional)
Schedule 6
Schedule 7(ANNEX VII to Directive 97/68/EC)APPROVAL CERTIFICATE NUMBERING SYSTEM(see Article 4(2))
1The number shall consist of five sections separated by the...
2Example of the third approval (with, as yet, no extension)...
3Example of the second extension to the fourth approval corresponding...

1999 No. 1053

ENVIRONMENTAL PROTECTION

The Non-Road Mobile Machinery (Emission of Gaseous and Particulate Pollutants) Regulations 1999

Made

Laid before Parliament

Coming into force

The Secretary of State, being a Minister designated1 for the purposes of section 2(2) of the European Communities Act 19722 in relation to measures relating to the reduction of emissions of pollutants from internal combustion engines, in exercise of the powers conferred on him by that section, and of all other powers enabling him in that behalf, hereby makes the following Regulations: