MEPC.1-Circ.883-Rev.1-GuidanceOnIndicationOfOngoingComplianceInTheCaseOfTheFailureOfASingleMonitor…(Secretariat)

INTERNATIONALEMARITIMEORGANIZATION4 ALBERT EMBANKMENTLONDON SE1 7SRTelephone:+44(0)2077357611Fax:+44(0)2075873210MEPC.1/Circ.883/Rev.115 December 2021GUIDANCE ON INDICATION OF ONGOING COMPLIANCE IN THE CASE OF THEFAILURE OF A SINGLE MONITORING INSTRUMENT,AND RECOMMENDED ACTIONSTO TAKE IF THE EXHAUST GAS CLEANING SYSTEM(EGCS)FAILS TO MEET THEPROVISIONS OF THE EGCS GUIDELINES1 The Marine Environment Protection Committee,at its seventy-fourth session(13 to 17 May 2019),approved the Guidance on indication of ongoing compliance in the caseof the failure of a single monitoring instrument,and recommended actions to take if the exhaustgas cleaning system (EGCS)fails to meet the provisions of the 2015 EGCS Guidelines(resolution MEPC.259(68))(MEPC.1/Circ.883).2The Marine Environment Protection Committee,at its seventy-seventh session(22 to 26 November 2021),adopted resolution MEPC.340(77)on 2021 Guidelines forexhaust gas cleaning systems(2021 EGCS Guidelines).3Recognizing the need to extend the scope of MEPC.1/Circ.883 to also include theEGCS installed in accordance with resolution MEPC.184(59),the 2009 EGCS Guidelines,andresolution MEPC.340(77),the 2021 EGCS Guidelines,MEPC 77 approved the Guidance onindication of ongoing compliance in the case of the failure of a single monitoring instrument,and recommended actions to take if the exhaust gas cleaning system(EGCS)fails to meet theprovisions of the EGCS Guidelines,set out in the annex.4 Member Governments are invited to bring the annexed Guidance to the attention ofAdministrations,port State control authorities,industry,relevant shipping organizations,shipping companies and other stakeholders concemed.5This circular revokes MEPC.1/Circ.883.I:CIRCMEPCMEPC.1-Circ.883-Rev.1.docx0202