WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 WLTP-DTP-AP Status Report and Open issues DTP 14 th Geneva, 5 June-2013 M.C. Astorga

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June DEFINITION OF THE VP2 ad hoc CAMPAIGN -SEPTEMBER 2013 (JRC-Ispra, ITALY ) 2 OPEN QUESTIONS for NEW OI TABLE (after 13 th DTP ) 1

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 OPEN QUESTIONS for NEW OI TABLE (after 13 th DTP ) 1

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 Open issueAP solutionDTP opinion/solution NH3-Measurement Measurement from raw exhaust during engine off This issue has to be discussed together with AP-, ICE- and EV- Subgroup Measurement of EtOH and Aldehydes new methods not confirmed by VP2 Validation will be performed separately in Sep 2013 Calibration gas for Formaldehyde availability and stability Agreed to solve this issue during the confirmation campaign in September [*] This OI table has been already presented to the EU-WLTP group in a phone conference on the 28 th of March. No further comments have been done.

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June DEFINITION OF THE VP2 ad hoc CAMPAIGN -SEPTEMBER 2013 (JRC-Ispra, ITALY) 2

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 Laboratory JRC-VELA 2 Cars Vans Little trucks Tractors -10/+30 º C 30-70% RH AP-VP2 ad hoc CAMPAIGN-September 2013 (JRC) SCOPE of the experimental campaign part 1: Validation of EtOH & Aldehydes part 2: Validation of NH3 1.TIME LINE 2 weeks for measurement of EtOH and Aldehydes 1 week for measurement of NH3 For both campaigns different instruments will be available. Details have been defined ….

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 TEST SEQUENCEVEHICLESINSTRUMENTS WLTC Version 5.3 L,M,H,XH cold start Sampling for batch methods: 4 phases 23 °C Flex-Fuel: one FFV is needed (Ford? Volvo?) Fuel: E85 reference fuel Gasoline: EURO5b, JRC (rental car) Fuel: gasoline E5 reference fuel next slide DEFINITION of the VP2 ad hoc CAMPAIGN-Sep 2013 (JRC) Aldhehydes (RCHO) and Ethanol (CH3CH2OH): 2 weeks

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 instrumentWho?Continuous measurement EF notes GC-PID… modal diluted Gas chromatography -Photoionization detector Laser IR absorption spectrometry …modal dilutedbag FT-IR …modal dilutedbag Photo Acoustic …no Reference method Impingers Horiba protocol to be established before the campaign Handling Samples: JRC Impinger sampler (?) Analysis: External lab in Italy, alternative: VW? CH 3 CH 2 OH: Analytical instrumentation

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 instrumentWho?Continuous measurement EFnotes Laser IR absorption spectrometry MAHAmodal dilute CH3CHO only, HCHO to be confirmed FT-IR modal dilute GC-PID modal dilute (Acetaldehyde only) Reference method Cartridges HPLC JRC RCHO: Analytical instrumentation CALIBRATION GASES TEST SEQUENCE DATA RECORDING EVALUATION

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 TEST SEQUENCEVEHICLESINSTRUMENTS WLTC Version 5.3 L,M,H,XH cold start, & hot start 23 °C SCR-Diesel 1: VW-EURO5b, JRC (rental car), VW? SCR-Diesel 2: BMW, EURO5b JRC (rental car) Fuel: Diesel EU5 reference fuel next slide DEFINITION of the ad hoc VP2 CAMPAIGN -September 2013 : Ammonia (NH3): 1 week

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 instrumentWho?Continuous measurement Sampling line T; Sampling flow notes FT-IRJRC 190 °C; l/mextractive Photo Acoustic laser spectrometer Sampling line 190 °C; Analyser-50°C secondary dilution 1.2 l/m extractive QL-NX 113 °C; 8 l/mextractive LDS (Daimle r?) 190 °C; 6l/m Analyser 45°C &75 mbar in situ LASAR NH3 190 °Cextractive Diode Laser(AVL?) extractive NH 3 : Analytical instrumentation

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 WLTP-DTP-AP-21 uploaded/updated in the interest group WLTP-DTP (World Light duty Test Procedures development groups) (Category: Enterprise and Industry). direct access:Enterprise and Industry Thanks for your attention…

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 WLTP DTP Additional Pollutants subgroup Document 1 March 07/ AP Subgroup 14th Meeting Meeting minutes Working Paper Number CIRCAWLTP-DTP-AP Document 2 March 07/ Definition of Test Campaign on EtOH, aldehydes and NH3 Working Paper Number CIRCAWLTP-DTP-AP-21-04

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 WLTP-DTP-AP Consolidated Draft AP.docx uploaded/updated in the interest group WLTP-DTP (World Light duty Test Procedures development groups) (Category: Enterprise and Industry). direct access:Enterprise and Industry

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 closed issueAP solutionDTP opinion/solution Measurement of NO 2 bag/modal sampling of NO (DILUTED) Agreed N 2 O-Measurement (not sufficient results from VP2) Use data from industry programs to validate draft GTR QCL on NEDC QCL versus GC-ECD versus NDIR Axis cavity ringdown Agreed Issue Closed; Data may be validated this way LIST of OPEN & CLOSED ISSUES [*] [*] This OI table has been already presented to the EU-WLTP group in a phone conference on the 28 th of March. No further comments have been done.

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 closed issueAP solutionDTP opinion/solution NH 3 -Measurement (scope of measurement) SCR-vehicles to prevent overdosing of urea Issue withdrawn; no scope of technology defined NH 3 -MeasurementMeasuring concentration at tailpipe Mass based measurement not feasible. NH 3 -Measurement (temperature for sampling and analysis) 110 to 190 C upon manufacturer's request 110 to 133 C Transposed to GTR consolidated Text NH 3 -Measurement Measurement from raw exhaust influences subsequent CVS measurements: Limit lost sample to 0,5 % of raw exhaust Transposed to GTR consolidated Text LIST of OPEN & CLOSED ISSUES/2 [*] [*] This OI table has been already presented to the EU-WLTP group in a phone conference on the 28 th of March. No further comments have been done.

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 CALIBRATION GASES*TEST SEQUENCEDATA RECORDINGEVALUATION EtOH: 10 ppm in N2 100 ppm in N 2 Formaldehyde: 10 ppm in N 2 (Check by cartridge method) Availability/stability/precision to be checked Acetaldehyde: 25 ppm in N 2 (Check by cartridge method) Operating gases: N 2 (5.6) carrier gas for GC Liquid N 2 for FTIR (*)All gases ordered by JRC) Mo, Fr: Gas Check with cartridges (Aldehydes) Daily: Span gas check (all instruments) Background test WLTC L (no impinger) FFV cold start (order switched daily) Gasoline cold start Fill additional sample bag during L-phase Background test WLTC L (no impinger) Span gas check Fuel Spec Speed, CVS-Volume DF Regulated pollutants (modal and bag) Impinger sample volume/phase Cartridge sample volume/phase Second by second concentration for modal measurements Background concentration before test for modal measurements Compare results from different systems Compare modal/bag measurement Repeatability Drift check LOD Time required to get stable reading from bag Interference FT-IR GC-PID (Acetaldehyde only) Reference Method: Cartridges + HPLC (JRC) DEFINITION OF PROTOCOL AP VP2 CAMPAIGN –Sept (JRC): Aldhehydes and Ethanol

WLTP-DTP-AP, Mörsch/Astorga WLTP-DTP Subgroup Additional Pollutants DTP14 - Status Report and Open Issues, Geneva June 2013 CALIBRATION GASES TEST SEQUENCEDATA RECORDINGEVALUATION NH3: 50 ppm in synthetic air Zero gas: synthetic air Operation gases: Liquid N2 for FTIR All gases ordered by JRC Mo: precon kph (in case of rental car), 10 min soak, WLTC hot Daily: Span gas check system response time check SCR 1 cold 10 min soak SCR 1 hot (without Start/Stop function) SCR 2 cold 10 min soak SCR 2 hot (without Start/Stop function) Span gas check Fuel Spec Speed, CVS-Volume DF CO2 from FT-IR Regulated pollutants (modal and bag) Sample volume of each instrument Annotate filter change Second by second concentration for modal measurements Concentration data collected by instrument, use synchronized time stamp, Compare results from different systems Repeatability Drift check LOD System response time Interference DEFINITION OF PROTOCOL AP VP2 CAMPAIGN –Sept (JRC): Ammonia