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Title	Treatment of wastewater (795 KB) View ACM0014 summary in the CDM Methodology Booklet Tools referenced in this methodology: Tool for the demonstration and assessment of additionality (232 KB) Baseline, project and/or leakage emissions from electricity consumption and monitoring of electricity generation (550 KB) Tool to calculate the emission factor for an electricity system (989 KB) Determining the baseline efficiency of thermal or electric energy generation systems (406 KB) Assessment of the validity of the original/current baseline and update of the baseline at the renewal of the crediting period (187 KB) Project and leakage emissions from anaerobic digesters (266 KB)
Version number	6.0
Scale	Large scale --- Consolidated
Status	Not Active (old version)
Validity	Valid from 21 Feb 14 to 03 Nov 16
Sectoral scope(s)	13
Sources	Replaces: AM0013 , AM0022
Clarifications*	Applicability of ACM0014 when the biogas extracted from the anaerobic digester is used to obtain Bio-CNG to be used in transportation applications under AMS-III.AQ. (submitted 02 Jul 14): AM_CLA_0260 (103 KB)
Previous Versions
Title	Treatment of wastewater --- Version 5 (441 KB)
Version number	5.0.0
Validity	Valid from 20 Jul 12 to 20 Feb 14 Requests for registration can be submitted until 18 Oct 2014 23:59:59 GMT
Sectoral scope(s)	13
Title	Mitigation of greenhouse gas emissions from treatment of industrial wastewater --- Version 4 (602 KB)
Version number	4.1.0
Validity	Valid from 13 Aug 10 to 19 Jul 12 Requests for registration can be submitted until 20 Mar 2013 23:59:59 GMT
Sectoral scope(s)	13
Clarifications*	Inquiry regarding the applicability of ACM0014 to a baseline scenario for combination of existing baseline scenario with existing lagoon system and Greenfield baseline scenario with designed lagoons system. (submitted 24 Nov 11): AM_CLA_0222 (151 KB)
Revisions*	The aim of this request for revision of an approved methodology is to allow its use to a project where the wastewater is dewatered and subsequently directed to land application (submitted 07 Sep 10): AM_REV_0201 (130 KB)
	Mitigation of greenhouse gas emissions from treatment of industrial wastewater (submitted 14 Nov 11): AM_REV_0224 (170 KB)
Title	Mitigation of greenhouse gas emissions from treatment of industrial wastewater --- Version 3 (524 KB)
Version number	3.1
Validity	Valid from 27 Feb 09 to 12 Aug 10 Requests for registration can be submitted until 12 Apr 2011 23:59:59 GMT
Sectoral scope(s)	13
Clarifications*	Inquiry regarding the applicability of ACM0014 to a baseline scenario with covered lagoons without biogas recovery (submitted 30 Sep 10): AM_CLA_0199 (147 KB)
Revisions*	Alternative Approach to Appendix II for estimation of the Chemical Oxygen Demand that is lost through sedimentation, and correction of equation 17 in ACM0014 version 03, page 17/37 (submitted 01 Apr 09): AM_REV_0149 (192 KB)
	Possibility to include wastewater solids that are separated from the wastewater to prevent open lagoon clogging and therefore have a different baseline, in a scenario 1 type anaerobic digester wastewater treatment project. (submitted 07 Dec 09): AM_REV_0174 (158 KB)
	Possibility to include wastewater solids that are separated from the wastewater to prevent open lagoon clogging and therefore can have a different baseline, in a scenario 1 type anaerobic digester wastewater treatment project (submitted 08 Mar 10): AM_REV_0184 (147 KB)
Title	Mitigation of greenhouse gas emissions from treatment of industrial wastewater --- Version 2 (463 KB)
Version number	2.1
Validity	Valid from 28 Mar 08 to 26 Feb 09 Requests for registration can be submitted until 26 Oct 2009 23:59:59 GMT
Sectoral scope(s)	13
Clarifications*	Request for clarification whether the applicable scenarios in this methodology can be combined in another way and whether a decanter can be considered as a settler. (submitted 27 May 08): AM_CLA_0102 (119 KB)
	Monitoring of the fraction of biogas that leaks from the digester (submitted 17 Oct 08): AM_CLA_0131 (116 KB)
Revisions*	Correction of the formula to calculate the amount of organic matter that remained in the lagoon, in the MCF method (equation 7) (submitted 10 Feb 09): AM_REV_0139 (148 KB)
Title	Avoided methane emissions from wastewater treatment --- Version 1 (444 KB)
Version number	1.0
Validity	Valid from 30 Nov 07 to 27 Mar 08 Requests for registration can be submitted until 27 Nov 2008 23:59:59 GMT
Sectoral scope(s)	13
Clarifications*	Potential errors in ACM0014 Version 1 (submitted 24 Feb 08): AM_CLA_0074 (113 KB)
	Clarification regarding the determination of COD sedimentation (submitted 25 Feb 08): AM_CLA_0078 (124 KB)
Revisions*	Request for revision to include Greenfield projects (i.e. new wastewater treatment plant deserving new plants or urban developments) (submitted 12 Jan 08): AM_REV_0078 (128 KB)
Title	Treatment of wastewater --- Version 7 (818 KB)
Version number	7.0
Validity	Valid from 04 Nov 06 to 31 Dec 37 Requests for registration can be submitted until 31 Dec 2037 23:00:00 GMT
Sectoral scope(s)	13

* Only the requests for clarification and revision that have been clarified by the Meth Panel are displayed. To view all requests for clarification, go to this page. To view all requests for revision, go to this page.