GAR | GRPE-81-10

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Document Title	GTR 15: Proposal to amend sub23 nm particle provisions of the draft Amendment 6
Reference Number	GRPE-81-10
Date	10 Jun 2020
Summary	Proposal from the Particle Measurement Programme informal group to: Modify the existing solid PN measurement methodology having a 50% cut-off size at 23 nm (SPN23) in order to allow the use of catalyzed volatile particle remover (VPR) and introduce minor improvements, and Include as a second option a solid PN measurement methodology with a 65% cut-off size at 10 nm (SPN10).
Rulemaking Area(s)	GTR No. 15 WLTP
Proposal Status	Superseded
Meeting(s)	GRPE \| Session 81 \| 9-12 Jun 2020 3. (b) UN Global Technical Regulations Nos. 15 and 19
Related Documents
	GRPE/2020/14		GTR 15: Proposal for Amendment 6 (superseded)
	WP.29/2020/127		GTR 15: Proposal for Amendment 6 (adopted)
	GRPE-81-11		GTR 15: Explanatory note on sub23 nm particle proposals
	GRPE/81/Add.1		GTR 15: Proposal for Amendment 6 (superseded)
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Excerpts from session reports related to this document
GRPE \| Session 81 \| 9-12 Jun 2020			12. The representative from EC, drafting coordinator for WLTP activities, introduced ECE/TRANS/WP.29/GRPE/2020/14, as amended by GRPE-81-14, as draft Amendment 6 to UN GTR No. 15, together with its technical report (GRPE-81-15). The Chair from the IWG on Particulate Measurement Protocol (PMP) also presented GRPE-81-10 introducing revisions also to be included in ECE/TRANS/WP.29/GRPE/2020/14 as part of Amendment 6 to UN GTR No. 15 on a supplementary methodology to measure sub-23nm particulates. The Chair of the IWG on PMP also introduced GRPE-81-11 providing explanatory note on the sub-23nm procedure part of Amendment 6 to UN GTR No. 15. He also informed GRPE that GRPE-81-11 had been included in the technical report of Amendment 6 to UN GTR No. 15 (GRPE-81-11 is included in GRPE-81-15). 13. GRPE adopted ECE/TRANS/WP.29/GRPE/2020/14, GRPE-81-14 and GRPE-81-10 as amended by Addendum 1 to this chair’s notes. GRPE also adopted the technical report (GRPE-81-15) as reproduced in Annex V. GRPE requested the secretariat to submit Addendum 1 and Annex V to WP.29 and Executive Committee of the 1998 Agreement (AC.3) for consideration and vote at their November 2020 sessions as draft Amendment 6 to UN GTR No. 15. 12. The representative from EC, drafting coordinator for WLTP activities, introduced ECE/TRANS/WP.29/GRPE/2020/14, as amended by GRPE-81-14, as draft Amendment 6 to UN GTR No. 15, together with its technical report (GRPE-81-15). The Chair from the IWG on Particulate Measurement Protocol (PMP) also presented GRPE-81-10 introducing revisions also to be included in ECE/TRANS/WP.29/GRPE/2020/14 as part of Amendment 6 to UN GTR No. 15 on a supplementary methodology to measure sub-23nm particulates. The Chair of the IWG on PMP also introduced GRPE-81-11 providing explanatory note on the sub-23nm procedure part of Amendment 6 to UN GTR No. 15. He also informed GRPE that GRPE-81-11 had been included in the technical report of Amendment 6 to UN GTR No. 15 (GRPE-81-11 is included in GRPE-81-15). 13. GRPE adopted ECE/TRANS/WP.29/GRPE/2020/14, GRPE-81-14 and GRPE-81-10 as amended by Addendum 1 to this chair’s notes. GRPE also adopted the technical report (GRPE-81-15) as reproduced in Annex V. GRPE requested the secretariat to submit Addendum 1 and Annex V to WP.29 and Executive Committee of the 1998 Agreement (AC.3) for consideration and vote at their November 2020 sessions as draft Amendment 6 to UN GTR No. 15. 12. The representative from EC, drafting coordinator for WLTP activities, introduced ECE/TRANS/WP.29/GRPE/2020/14, as amended by GRPE-81-14, as draft Amendment 6 to UN GTR No. 15, together with its technical report (GRPE-81-15). The Chair from the IWG on Particulate Measurement Protocol (PMP) also presented GRPE-81-10 introducing revisions also to be included in ECE/TRANS/WP.29/GRPE/2020/14 as part of Amendment 6 to UN GTR No. 15 on a supplementary methodology to measure sub-23nm particulates. The Chair of the IWG on PMP also introduced GRPE-81-11 providing explanatory note on the sub-23nm procedure part of Amendment 6 to UN GTR No. 15. He also informed GRPE that GRPE-81-11 had been included in the technical report of Amendment 6 to UN GTR No. 15 (GRPE-81-11 is included in GRPE-81-15). 13. GRPE adopted ECE/TRANS/WP.29/GRPE/2020/14, GRPE-81-14 and GRPE-81-10 as amended by Addendum 1 to this chair’s notes. GRPE also adopted the technical report (GRPE-81-15) as reproduced in Annex V. GRPE requested the secretariat to submit Addendum 1 and Annex V to WP.29 and Executive Committee of the 1998 Agreement (AC.3) for consideration and vote at their November 2020 sessions as draft Amendment 6 to UN GTR No. 15.