SOCOTEC Job Number:Report Date:Version: 2Report By: Brian WalshMCERTS Number: MM17 1414MCERTS Level: MCERTS Level 2 - Team LeaderTechnical Endorsements: 1, 2, 3 & 4
Report Approved By: Enda FloodMCERTS Number: MM 12 1170Business Title: MCERTS Level 2 - Team LeaderTechnical Endorsements: 1, 2, 3 & 4
Signature:
Email: [email protected]
2-4 Langlands PlaceKelvin South Business Park
East KilbrideG75 0YF
Tel: 01355 246 730Fax: 01355 249 669
Permit Reference:IPPC Licence: P0065-01
David HayBusiness Manager - North
Tel: 01355 246 730
Your contact at SOCOTEC LTD
Operator & Address:
Dublin Road
Ireland
Kingscourt
Kingspan PLC
Co. Cavan
Release Point: Emmision point C
Sampling Date(s):16th January 2019
19-Mar-20LEK 12035
STACK EMISSIONS MONITORING REPORT
SOCOTEC UK Reporting Template v5 Page 1 of 24
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EXECUTIVE SUMMARY
Stack Emissions Monitoring Objectives
- Plant
- Operator
- Stack Emissions Monitoring Test House
Emissions Summary
Monitoring Times
Process Details
Monitoring Methods
Analytical Methods
- Sampling Methods with Subsequent Analysis
- On-Site Testing
Sampling Location
- Sampling Plane Validation Criteria
- Duct Characteristics
- Sampling Lines & Sample Points
- Sampling Platform
- Sampling Location / Platform Improvement Recommendations
Sampling and Analytical Method Deviations
APPENDICES
APPENDIX 1 - Monitoring Schedule, Calibration Checklist & Monitoring Team
APPENDIX 2 - Summaries, Calculations, Raw Data and Charts
APPENDIX 3 - Measurement Uncertainty Budget Calculations
APPENDIX 4 - Record of Report Amendments
CONTENTS
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Plant
Emmision point C
Operator
Kingspan PLC
Dublin Road
Kingscourt
Co. Cavan
Ireland
IPPC Licence: P0065-01
Stack Emissions Monitoring Test House
SOCOTEC - East Kilbride Laboratory2-4 Langlands PlaceKelvin South Business ParkEast KilbrideG75 0YFUKAS and MCERTS Accreditation Number: 1015
Opinions and interpretations expressed herein are outside the scope of UKAS accreditation.MCERTS accredited results will only be claimed where both the sampling and analytical stages are UKAS accredited.This test report shall not be reproduced, except in full, without written approval of SOCOTEC LTD.This test report replaces and supersedes version - dated 43908. Please see APPENDIX 4 for the changes made.
MONITORING OBJECTIVES
SOCOTEC LTD were commissioned by Q.E.D. Engineering to carry out stack emissions monitoring to determine the release of prescribed pollutantsfrom the following Plant under normal operating conditions.
Kingspan PLC operates a insulation manufacturing process at Kingscourt which is subject to IPPC Licence P0065-01, under the EPA Act 1992.
EXECUTIVE SUMMARY
The results of these tests shall be used to demonstrate compliance with a set of emission limit values for prescribed pollutants as specified in thePlant's IPPC Licence, P0065-01.
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Parameter Units Result Calculated Uncertainty
+/-Isocyanates* mg/m³ 0.00010 0.00010 0.1Isocyanates Emission Rate g/hr 0.00050 0.00050 -Moisture % 0.37 0.04 - P
Stack Gas Temperature oC 19.00 - -Stack Gas Velocity m/s 14.31 0.32 -Gas Volumetric Flow Rate (Actual) m³/hr 5841.61 294.58 -Gas Volumetric Flow Rate (STP, Wet) m³/hr 5376.59 271.13 -Gas Volumetric Flow Rate (STP, Dry) m³/hr 5356.69 270.13 -Gas Volumetric Flow Rate at Reference Conditions m³/hr 5356.69 270.13 4540*Isocyanates results refer to MDI only.
P
MCERTS accredited
result
ND = None Detected,Results at or below the limit of detection are highlighted by bold italic text.The above volumetric flow rate is calculated using data from the preliminary survey. Mass emissions for non isokinetic tests are calculated using these values. For all isokinetic testing the mass emission is calculated using test specific flow data and not the above values.
EXECUTIVE SUMMARY
EMISSIONS SUMMARY
Reference conditions are 273K, 101.3kPa, dry gas .
P
Emission Limit Value (ELV)
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Isocyanates Run 1Preliminary Stack Traverse 16 January 2020 10:30 - 10:50 -
16 January 2020 32 minutes
Sampling TimesSampling Date(s)Parameter
EXECUTIVE SUMMARY
Sampling DurationMONITORING TIMES
10:55 - 11:22
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Description of process Insulation manufacturing
Continuous or batch Batch
Product Details Foam insulation
Part of batch to be monitored (if applicable) Main
Normal load, throughput or continuous rating Normal
Fuel used during monitoring N/A
Abatement None
Plume Appearance None
PROCESS DETAILS
Parameter
EXECUTIVE SUMMARY
Process Details
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Species SOCOTEC UKAS Lab MCERTS Limit of Calculated CalculatedTechnical Number Accredited Detection MU MUProcedure Method (LOD) +/- % Result +/- % ELV
Isocyanates AE 116 1015 Yes 0.0001 mg/m³ 100.3% 0.1%
Moisture AE 105 1015 Yes 0.02% 10.39% N/A - No ELV
Velocity AE 154 1015 Yes 5 Pa 2.2% N/A - No ELV
Volumetric Flow Rate
AE 154 1015 Yes - 5.0% 595.00%
SRM - US EPA CTM 036
EXECUTIVE SUMMARY
Monitoring Methods
The selection of standard reference / alternative methods employed by SOCOTEC is determined, wherever possible by the hierarchy of methodselection outlined in Environmental Protection Agency Technical Guidance Note (Monitoring) AG2.
SRM - EN ISO 16911-1
MethodStandard Reference Method /
Alternative Method
SRM - BS EN 14790
SRM - EN ISO 16911-1
MONITORING METHODS
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Isocyanates M119(MCERTS)(U) 0605 Yes RPS WK20 - 01463 8 Weeks
Species Analytical UKAS Lab MCERTS Laboratory Data ArchiveProcedure Number Accredited Archive Period
Analysis Location
Moisture AE 105 1015 YesSOCOTEC (East
Kilbride)- -
EXECUTIVE SUMMARY
Analytical Technique
Analytical Methods
High performance Liquid Chromatography - Ultra Violet
Gravimetric
The following tables list the analytical methods employed together with the custody details. Unless otherwise stated the samples are archived at the analysis lab location.
Analysis LabArchivePeriod
UKAS Lab Number
Analytical Procedure
Analytical TechniqueSpecies
SAMPLING METHODS WITH SUBSEQUENT ANALYSIS
UKAS Accredited Lab Analysis
Analysis Report number
ON-SITE TESTING
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Sampling Plane Validation Criteria Value Units Requirement Compliant Method
Lowest Differential Pressure 129 Pa >= 5 Pa Yes EN 15259
Lowest Gas Velocity 13.9 m/s - - -
Highest Gas Velocity 14.7 m/s - - -
Ratio of Gas Velocities 1.1 : 1 < 3 : 1 Yes EN 15259
Mean Velocity 14.3 m/s - - -
Maximum angle of flow with regard to duct axis <15 o < 15o Yes EN 15259
No local negative flow Yes - - Yes EN 15259
Value Units Isokinetic
Shape Circular -
Depth 0.38 m Sample port size 4 Inch BSP -
Width N/A m Number of lines used 1 -
Area 0.11 m2 Number of points / line 4 -
Port Depth 90 mm Duct orientation Vertical -Filtration In Stack -
General Platform Information
Permanent / Temporary Platform / Ground level / Floor Level / Roof
Inside / Outside
AG1 Platform requirements
Is there a sufficient working area so work can be performed in a compliant manner
Platform has 2 levels of handrails (approximately 0.5 m & 1.0 m high)
Platform has vertical base boards (approximately 0.25 m high)
Platform has removable chains / self closing gates at the top of ladders
Handrail / obstructions do not hamper insertion of sampling equipmentDepth of Platform = >Stack depth / diameter + wall and port thickness + 1.5m
Sampling Platform Improvement Recommendations (if applicable)
SAMPLING PLATFORM
Non-Iso & Gases
Yes
DUCT CHARACTERISTICS
EXECUTIVE SUMMARY
Permanent
The sampling location meets all the requirements as specified in EA Guidance Note M1.
SAMPLING LOCATION
No
Yes
SAMPLING LINES & POINTS
Yes
No
Outside
Yes
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Sample points
Sampling & Analytical Method Deviations
EXECUTIVE SUMMARY
The Sample ports are <5 hydraulic diameters from upstream bend.
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APPENDIX 1 - Monitoring Schedule, Calibration Checklist & Monitoring Team
APPENDIX 2 - Summaries, Calculations, Raw Data and Charts
APPENDIX 3 - Measurement Uncertainty Budget Calculations
APPENDIX 4 - Record of Report Amendments
CONTENTS
APPENDICES
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SOCOTEC UKAS Lab MCERTSTechnical Number AccreditedProcedure Method
AE 116 1015 Yes 1AE 105 1015 Yes 1AE 154 1015 Yes 1
MoistureVelocity
Species
MONITORING SCHEDULE
Isocyanates SRM - US EPA CTM 036
SRM - EN ISO 16911-1SRM - BS EN 14790
Standard Reference Method / Alternative Method
APPENDIX 1 - Monitoring Schedule, Calibration Checklist & Monitoring Team
Number of Samples
Method
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Equipment I.D. Equipment I.D. Equipment I.D.
LEK 9.41 - -
LEK 9.41 - LEK 20.2
LEK 9.41 - -
LEK 9.41 - -
- - LEK 16.8
- - LEK 1.2
LEK 6.17 - LEK 2.16
- - -
- - -
- - -
- - -
LEK 6.35 - -
LEK 23.16 - -
- - -
- - -
LEK 15.1R - -
- - -
- - -
- - -
NOTE: If the equipment I.D is represented by a dash (-), then this piece of equipment has not been used for this test.
Level Expiry TE1 TE2 TE3 TE4 H&S
Brian Walsh MM17 1414MCERTS Level
2Jan-23 Jan-23 Nov-23 Nov-23 May-23 Sep-23
Philip Conway MM18 1471MCERTS Level
1Apr-23 - - - - Mar-23
10m Heated Line (2)
15m Heated Line (1)
20m Heated Line (1)
Barometer
Equipment
Ecophysics NOx Analyser
Heater Controller
Last Impinger Arm
S-Pitot
FT-IR Gasmet
Meter In Thermocouple Stopwatch
MCERTS Number
TE / H&S Qualifications and Expiry DateMCERTS
Probe
Probe Thermocouple
Stackmaster
Meter Out Thermocouple
Control Box Timer
Stack Thermocouple
1m Heated Line (1)
L-Pitot
Oven Box
Probe JCT Heated Head Filter
Digital Micromanometer
Bernath 3006 FID Protractor
FT-IR Oven Box
Signal 3030 FID
Personnel
FTIR Heater Box for Heated Line
1m Heated Line (3)
Callipers
20m Heated Line (2)
Anemometer
Dioxins Cond. Thermocouple 10m Heated Line (1)
MONITORING TEAM
Heated Line Controller (2)
Instrumental Analyser/s
APPENDIX 1 - Monitoring Schedule, Calibration Checklist & Monitoring Team
CALIBRATEABLE EQUIPMENT CHECKLISTMiscellaneous
Control Box DGM Laboratory Balance
Equipment
Horiba PG-250 Analyser
1m Heated Line (2)
Mass Flow Controller
Thermo FID
Digital Temperature Meter
Servomex
Probe Thermocouple
MFC Display module
Box Thermocouples Tape Measure
Extractive Sampling
Equipment
Chiller (JCT/MAK 10)Site Balance
5m Heated Line (1)
Small DGM
Heated Line Controller (1)
Site temperature Logger
Inclinometer (Swirl Device)
STACK EMISSIONS MONITORING TEAM
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LOD ELV Emissionmg/m³ mg/m³ Rate g/hr
0.0001 0.1 0.0
Field Blank - - -Reference conditions are 273K, 101.3kPa, dry gas .
Lab Result LOD Emissionug mg/m³ Rate g/hr
MDI 0.07 0.00010 0.00050MDI 0.07 0.00010 0.00050
Reference conditions are 273K, 101.3kPa, dry gas .
Run 1
Concentrationmg/m³
Blank 1
0.0001
0.00010
APPENDIX 2 - Summaries, Calculations, Raw Data and Charts
TestConcentration
10:55 - 11:22 16 January 2020
INDIVIDUAL ISOCYANATES SUMMARY
Run 1
ISOCYANATES SUMMARY
-
Test
Sampling Times
0.0001
0.00010
mg/m³
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ISOKINETIC SAMPLING EQUATIONS 1 ISOCYANATES
Absolute pressure of stack gas, Ps Velocity of stack gas, Vs
Barometric pressure, Pb kPa 98.9 Velocity pressure coefficient, Cp 0.90Stack static pressure, Pstatic Pa 25 Mean of velocity heads, DPavg Pa 131Ps = Pb + (Pstatic) KPa 99 Mean stack gas temperature, Ts K 292
Gas density (wet, ambient), pp=(Ms*Ps)/(8.314*Ts) kg/m3 1.174
g H₂0 by Non Iso Stack Velocity, VsVwstd = (0.001246)(Vlc) m3 - m/s 13.49
Volume of gas metered dry, Vmstd Actual flow of stack gas, Qa
Volume of gas sample through gas meter, Vm m3 0.7840 Area of stack, As 0.11
Gas meter correction factor, Yd 0.9839 Qa = (60)(As)(Vs) m3/min 92
Mean dry gas meter temperature, Tm K 292 Dry total flow of stack gas, Qstd
Mean pressure drop across orifice, DH mmH2O 57.817 Conversion factor (K/mm.Hg) 0.3592Vmstd = (0.3592)(Vm)(Pb+(DH/13.6))(Yd) m30.708 Qstd = (Qa)Ps(0.3592)(1-Bwo) m3/min 83.50 Tm + 273 (Ts) +273Volume of gas metered wet, Vmstw Wet total flow of stack gas, Qstw
Vmstw = Vmstd + Vwstd m3 0.7105 Qstw = (Qa)Ps(0.3592) m3/min 83.8 (Ts) +273
NoQstdO2 = (Qa)Ps(0.3592)(1-Bwo)(O2REF) m3/min No O2 Ref
% oxygen measured in gas stream, act%O2 21.0 (Ts) +273% oxygen reference condition 21 Percent isokinetic, %I
O2 Ref = 21.0 - act%O2 No O2 Ref Nozzle diameter, Dn mm 5.98 21.0 - ref%O2 Nozzle area, An mm2 28.06
Vmstd@X%oxygen = (Vmstd) (O2 Ref) m3 No O2 Ref Total sampling time, q min 32Moisture content, Bwo %I = (4.6398E6)(Ts)(Vmstw) % 107Bwo = Vwstd 0.0037 (Ps)(Vs)(An)(q)(1-Bwo)
% 0.37 Acceptable isokinetic range 95% to 115% YesMoisture by FTIR % - Isocyanates Concentration, CMolecular weight of dry gas, Md Mass of isocyanates collected , M ug 0.07000CO2 % 0.01 Cwet = Mn mg/m³ 0.00010O2 % 20.95 Vmstw
Total % 20.96 Cdry = Mn mg/m³ 0.00010N2 (100 -Total) % 79.04 Vmstd
Cdry@X%O2 = Mn mg/m³ No O2 RefMd = 0.44(%CO2)+0.32(%O2)+0.28(%N2) 28.84Molecular weight of wet gas, Ms Isocayanates Emission Rates, EMs = Md(1 - Bwo) + 18(Bwo) g/gmol 28.8 E = [(Cwet)(Qstw)(60)] / 1000 g/hr 0.00050
Vol. of gas metered at O2 Ref. Cond., Vmstd@X%O2
Vmstd + Vwstd
Is the process burning hazardous waste? (If yes, no favourable oxygen correction)
Dry total flow of stack gas at X% O2, QstdO2
13.6
Moisture trap weight increase,Vlc
APPENDIX 2 - Summaries, Calculations, Raw Data and Charts
Vol. of water vapour collected, Vwstd
Vmstd@X%oxygen
O2 Reference Factor
𝑉𝑠 = 𝐶𝑝∆𝐷𝑃𝑎𝑣𝑔
𝑝
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Leak Test Results Mean Sampling Rate
Pre-sampling Leak Rate
Post-sampling Leak Rate
Acceptable Leak Rate
Leak Tests Acceptable
litre/min litre/min litre/min mm Hg litre/min
24.1 0.12 0.14 -457.2 0.48 Yes
Isokinetic Criterion Compliance
mm °C
Quartz Fibre 47 19 1-(2-pyridyl)piperazine
Maximum Vacuum
Filter Material
107.5
Filters Coated with
Run 1
ISOCYANATES QUALITY ASSURANCE CHECKLIST
Isokinetic Variation
Yes
Acceptable Isokineticity
APPENDIX 2 - Summaries, Calculations, Raw Data and Charts
Maximum Filtration
Temperature
Filtration
Run 1
Filter Size
Run 1
%
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Test Number Start Weight End Weight Total gain Concentration LOD Uncertainty
kg kg kg % % %
Run 1 3.2993 3.3016 0.0023 0.4 0.02 10.4
Test NumberSampling Duration
Total Volume Sampled
Sampling Rate Start Leak Rate End Leak RateAcceptable Leak Rate
mins l l/min l/min l/min l/min
Run 1 32 771 24.1 0.08 0.07 0.48 Yes
Stack Diameter / Depth, D 0.38 m
Stack Width, W N/A m
Stack Area, A 0.11 m2
Average stack gas temperature 19 oC
Stack static pressure 0.025 kPa
Barometric Pressure 99.7 kPa
Component Molar Density Conc Dry Volume Dry Conc Conc Wet Volume Wet ConcMass kg/m3 Dry Fraction kg/m3 Wet Fraction kg/m3
M p % Vol r pi % Vol r pi
CO2 44 1.963059 0.014286 0.000143 0.000280 0.014233 0.000142 0.000279
O2 32 1.427679 20.950000 0.209500 0.299099 20.872455 0.208725 0.297992
N2 28 1.249219 79.035714 0.790357 0.987329 78.743170 0.787432 0.983675
H2O 18 0.803070 - - - 0.370142 0.003701 0.002972
Where: p = M / 22.41 pi = r x p
Determinand
Dry Density (STP), P STD
Wet Density (STP), P STW
Dry Density (Actual), P Actual
Average Wet Density (Actual), P ActualW
Where:
P STD = sum of component concentrations, kg/m3 (not including water vapour) P Actual = P STD x (Ts / Ps) x (Pa / Ta)
P STW = (P STD + pi of H2O) / (1 + (pi of H2O / 0.8036)) P ActualW = P STW x (Ts / Ps) x (Pa / Ta)
Calculation of Stack Gas Densities
Sampling Time and Date
1.1843
Stack Gas Composition & Molecular Weights
Moisture Determination - Non Isokinetic
10:55 - 11:22 20 February 2020
Result
kg/m3
MOISTURE CALCULATIONS
APPENDIX 2 - Summaries, Calculations, Raw Data and Charts
1.2849
kg/m31.2867
kg/m3
Stack Characteristics
Moisture Quality Assurance
PRELIMINARY STACK SURVEY
Leak Tests Acceptable?
1.183
kg/m3
Units
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TRAVERSE 1
Traverse Distance DP pt DP pt Temp Velocity O2 Angle
Point into Pa mmH2O oC m/s % of Swirl
duct (m)(average of 3
readings)(average of 3
readings)m³/s Vol o
1 0.05 148.3 15.1 19 14.7 1.7 21.0 <15Mean - 139.7 14.3 19 14.3 1.6 21.0 -
Start Value End Value Difference Start Value End Value DifferencemmH2O mmH2O % mmH2O mmH2O %
Run 1 96 95 1.0 Pass 98 97 1.0 Pass
RunFinal Reading
(Pa)
Reading After Purge(Pa)
Difference(%)
Outcome(Permitted
+/- 5%)
Run 1 60 62 3.2 Pass
PRELIMINARY STACK SURVEY QUALITY ASSURANCE CHECKLIST
Velocity Measurement Device: L-Type Pitot
Volumetric Flow Rate
(actual)
PRELIMINARY STACK SURVEY
Time of SurveyDate of Survey
Sampling Line A
Outcome
APPENDIX 2 - Summaries, Calculations, Raw Data and Charts
Post Traverse Leak RateRun
PITOT LEAK CHECK
To complete a compliant pitot leak check a pressure of over 80 mmH₂O (or 800 Pa) is applied and the pressure drop monitored over 5 mins. A drop of less than 5% must be observed.
L-Type Pitot Blockage Test
OutcomePre Traverse Leak Rate
10:30 - 10:5016 January 2020
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EA Technical Guidance Note (Monitoring) M1 Units Requirement Compliant
Lowest Differential Pressure Pa >= 5 Pa Yes
Lowest Gas Velocity m/s - -
Highest Gas Velocity m/s - -
Ratio of Gas Velocities - < 3 : 1 Yes
Maximum angle of flow with regard to duct axis o < 15o Yes
No local negative flow - - Yes
Velocity at Traverse Point, V = Kpt x (1-e) * Ö(2 * DP pt / P ActualW)
Where:Kpt = Pitot tube calibration coefficient(1-e) = Compressibility correction factor, assumed at a constant 0.998
Average Stack Gas Velocity, Va 14.3 m/s
Duct gas flow conditions Actual Reference UnitsTemperature 19 0 oCTotal Pressure 99.725 101.3 kPaOxygen 21.0 21 %Moisture 0.37 0.00 %Pitot tube calibration coefficient, Kpt 0.93
Gas Volumetric Flowrate UnitsAverage Stack Gas Velocity (Va) m/sStack Area (A) m2
Gas Volumetric Flowrate (Actual), QActual m3/hr
Gas Volumetric Flowrate (STP, Wet), QSTP m3/hr
Gas Volumetric Flowrate (STP, Dry), QSTP,Dry m3/hr
Gas Volumetric Flowrate (REF), QRef m3/hr
Where:QActual = Va x A x 3600QSTP = Q (Actual) x (Ts / Ta) x (Pa / Ps) x 3600QSTP,Dry = Q (STP) / (100 - (100 / Ma)) x 3600QRef = Q (STP) x ((100 - Ma) / (100 - Ms)) x ((21 - O2a) / (21 - O2s))
Nomenclature:Ts = Absolute Temperature, Standard Conditions, 273 KPs = Absolute Pressure, Standard Conditions, 101.3 kPaTa = Absolute Temperature, Actual Conditions, KPa = Absolute Pressure, Actual Conditions, kPaMa = Water vapour, Actual Conditions, % VolMs = Water vapour, Reference Conditions, % VolO2a = Oxygen, Actual Conditions, % VolO2s = Oxygen, Reference Conditions, % Vol
0.11
Result
Yes
14.7
133
Result
5377
5357
13.9
1.1
PRELIMINARY STACK SURVEY (CONTINUED)
<15
Calculation of Stack Gas Velocity, V
Calculation of Stack Gas Volumetric Flowrate, Q
5842
APPENDIX 2 - Summaries, Calculations, Raw Data and Charts
Sampling Plane Validation Criteria
14.31
5357
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Value UnitsStack Depth 0.38 m Sampling Distance Distance into UnitsStack Width N/a m Point (% of Depth) StackArea 0.11 m2 - - - -
Sampling Distance Distance into SwirlPoint (% of Depth) Stack (m) o
1 13.2 0.05 < 152 25.0 0.10 < 153 75.0 0.29 < 154 86.8 0.33 < 15
- - - -
- - - -
- - - -
- - - -- - - -- - - -- - - -- - - -
- - - -
- - - -- - - -- - - -
Isokinetic sampling point - - - -Isokinetic sampling points not used - - - -Non Isokinetic/Gases sampling point - - - -
- - - -
APPENDIX 2 - Summaries, Calculations, Raw Data and Charts
Isokinetic Sampling
STACK DIAGRAM
Non-Isokinetic/Gases Sampling
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Run Sampled Volume
Sampled Gas Temp
Sampled Gas Pressure
Sampled Gas Humidity
Oxygen Content
Leak Uncollected Mass
m³ K kPa % by volume % by volume % mgMU required < 2% < 2% < 1% < 1% < 10% < 2% < 10% of ELVRun 1 0.001 2 0.5 1 N/A - -as a % 0.14 0.69 0.51 1.00 N/A 0.58 0.00compliant? Yes Yes Yes Yes N/A Yes Yes
Run UncollectedMass
m³ mg - mg/m³ mgRun 1 0.65 0.000070 1.00 0.0000003 0.0000000 -MU as mg/m3 0.00 0.000050 - 0.0000003 0.0000003 1.37MU as % 1.33 0.005011 - 0.3353130 0.0000000 -
0.000 mg/m³ 100.26 % Result 0.10 % ELV
(k is a coverage factor which gives a 95% confidence in the quoted figures)Reference – SOCOTEC Technical Procedure AE150 Estimation of Uncertainty of Measurement
Volume (STP)
R1 - Uncertainty expressed at a 95% confidence level (where k = 2)
LeakMass of Isocyanates
MEASUREMENT UNCERTAINTY BUDGET - ISOCYANATES
Combined uncertainty
APPENDIX 3 - Measurement Uncertainty Budget Calculations
O2 Correction
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Run Sampled Volume
Sampled Gas Temp
Sampled Gas Pressure
Sampled Gas Humidity
Oxygen Content
Leak
m³ K kPa % by volume % by volume %
MU required < 2% < 2% < 1% < 1% < 10% < 2%Run 1 0.000 2.0 0.50 1.0 N/A -as a % 0.06 0.68 0.50 1.0 N/A 0.33compliant? Yes Yes Yes Yes N/A Yes
Run UncollectedMass
m³ mg - mg/m³ mgRun 1 0.7 2300 1.0 5.7 58 -MU as % v/v 0.00 0.02 - 0.00 0.01 0.02MU as % 1.3 4.3 - 0.2 2.5 -
0.04 % v/v 10.39 %Reference – SOCOTEC Technical Procedure AE150 Estimation of Uncertainty of Measurement
Mass Gained
APPENDIX 3 - Measurement Uncertainty Budget Calculations
O2 Correction
R1 - Uncertainty expressed at a 95% confidence level (where k = 2)
Leak Combined uncertainty
MEASUREMENT UNCERTAINTY BUDGET - MOISTURE
Volume (STP)
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14.3 m/s5842 m³/hr
Performance Characteristics & Source of Value Units Values Requirement CompliantUncertainty of Local Gas Velocity Determination
Uncertainty of pitot tube coefficient - 0.010
Uncertainty of mean local dynamic pressures - 1.17
Factor loading, function of the number of measurements. 3 readings 0.591 minimum 3 Yes
Range of measurment device pa 1000
Resolution pa 1.00
Calibration uncertainty pa 22.09<1% of Value or 20
Pa whichever is greater
Yes
Drift % range 0.10
Linearity % range 0.06 <2% of value Yes
Uncertainty of gas density determination
Uncertainty of molar mass determination kg/mol 0.00003Uncertainty of temperature measurement K 1.49 <1% of value Yes
Uncertainty of absolute pressure in the duct pa 509
Uncertainty associated with the estimate of density - 0.007
Uncertainty associated with the measurement of local velocity - 0.0001Uncertainty associated with the measurement of mean velocity - 0.0001
m/s0.160.32
%1.12.2
m³/hr150295
%2.65.0
Expanded Measurement Uncertainty of Volumetric Flow Rate at a 95% Confidence IntervalExpressed as a % of the Measured Volumetric Flow RateExpanded uncertainty at a 95% Confidence Interval
Measured Velocity at Actual Conditions Measured Volumetric Flow rate at Actual Conditions
Measurement Uncertainty - VelocityCombined uncertaintyExpanded uncertainty at a 95% Confidence Interval
Note - The expanded uncertainty uses a coverage factor of k = 2.
Expanded Measurement Uncertainty of Velocity at a 95% Confidence IntervalExpressed as a % of the Measured VelocityExpanded uncertainty at a 95% Confidence Interval
Measurement Uncertainty Volumetric Flow Rate
Expanded uncertainty at a 95% Confidence Interval
APPENDIX 3 - Measurement Uncertainty Budget Calculations
MEASUREMENT UNCERTAINTY BUDGET - VELOCITY & VOLUMETRIC FLOW RATE
Combined uncertainty
Note - The expanded uncertainty uses a coverage factor of k = 2.
Reference – SOCOTEC Technical Procedure AE150 Estimation of Uncertainty of Measurement
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Version Issue Date
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END OF REPORT
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APPENDIX 4 - Record of Report Amendments
19 March 2020
Stack Diameter changed from 0.25m to 0.38m
2
Amendments
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