MEPC 58/23

I:\MEPC\58\23.doc ANNEX 4

RESOLUTION MEPC.174(58)

Adopted on 10 October 2008

GUIDELINES FOR APPROVAL OF BALLAST WATER MANAGEMENT SYSTEMS (G8)

THE MARINE ENVIRONMENT PROTECTION COMMITTEE,

RECALLING Article 38(a) of the Convention on the International Maritime Organization concerning the functions of the Marine Envi ronment Protection Committee conferred upon it by

the international conventions for the prevention and c ontrol of marine pollution,

RECALLING ALSO that the International C onference on Ballast Water Management for Ships held in February 2004 adopted the In ternational Convention for the Control and Management of Ships’ Ballast Water and Se diments, 2004 (the Ballast Water Management Convention) together with f our conference resolutions,

NOTING that regulation D-3 of the Annex to the Ballast Water Management Convention provides that ballast water manage ment systems used to comply with this Convention must be approved by the Administration, taking into account Guidelines developed by the Organization,

NOTING ALSO resolution MEPC.125(53) by which the Committee adopted the Guidelines for approval of balla st water management systems (G8),

NOTING FURTHER that by resolution ME PC.125(53), the Committee resolved to keep Guidelines (G8) under review in the light of experience gained,

HAVING CONSIDERED, at its fifty-eighth session, the recommendation made by the Ballast Water Review Group,

1. ADOPTS the revised Guidelines for approval of ballast water management systems (G8), as set out in the Annex to this resolution;

2. INVITES Member Governments to give due c onsideration to the revised Guidelines (G8) when type approving ballast water management systems;

3. AGREES to keep the revised Guidelines (G8) under review in the light of experience gained;

4. URGES Member Governments to bring the afor ementioned Guidelines to the attention of manufacturers of ballast water management system s and other parties concerned with a view to encouraging their use; and

5. REVOKES the Guidelines adopt ed by resolution MEPC.125(53).MEPC 58/23

ANNEX 4 Page 2

I:\MEPC\58\23.doc ANNEX

GUIDELINES FOR APPROVAL OF BALLAST WATER MANAGEMENT SYSTEMS (G8)

Contents

1 INTRODUCTION

General Goal and purpose Applicability Summary of requirements

2 BACKGROUND

3 DEFINITIONS

4 TECHNICAL SPECIFICATIONS

Ballast water management systems Ballast water treatment equipment Control and monitoring equipment

5 TYPICAL DOCUMENT REQUIREMENTS FOR THE PLAN APPROVAL

PROCESS

6 APPROVAL AND CERTIFICATION PROCEDURES

7 INSTALLATION REQUIREMENTS

Sampling facilities

8 INSTALLATION SURVEY AN D COMMISSIONING PROCEDURES



### ANNEX

PART 1 – SPECIFICATIONS FOR PR E-TEST EVALUATION OF SYSTEM

DOCUMENTATION

PART 2 – TEST AND PERFORMANCE SP ECIFICATIONS FOR APPROVAL OF

BALLAST WATER MANAGEMENT SYSTEMS

PART 3 – SPECIFICATION FOR ENVI RONMENTAL TESTING FOR APPROVAL

OF BALLAST WATER MANAGEMENT SYSTEMS

PART 4 – SAMPLE ANALYSIS METHODS FOR THE DETERMINATION OF

BIOLOGICAL CONSTITUENTS IN BALLAST WATER

Appendix – TYPE APPRO VAL CERTIFICATE OF BALL AST WATER MANAGEMENT

SYSTEMMEPC 58/23

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I:\MEPC\58\23.doc GUIDELINES FOR APPROVAL OF BALLAST WATER MANAGEMENT SYSTEMS (G8)

1 INTRODUCTION

General

1.1 These Guidelines for approval of balla st water management systems are aimed primarily at Administrations, or their designa ted bodies, in order to assess whether ballast water management systems meet the standa rd as set out in re gulation D-2 of the

“International Convention for the Control and Management of Ships’ Ballast Water and Sediments,” hereafter referred to as the “C onvention”. In addition, this document can be used as guidance for manufacturers and ship owners on the evaluation procedure that equipment will undergo and the requirements pl aced on ballast water management systems. These Guidelines should be applied in an objec tive, consistent and transparent way and their application should be evaluated periodically by the Organization.

1.2 Articles and regulatio ns referred to in these Guid elines are thos e contained in

the Convention.

1.3 The Guidelines include general requirements concerning design and construction, technical procedures for eval uation and the procedure for i ssuance of the Type Approval Certificate of the ballast water management system.

1.4 These Guidelines are intended to fit with in an overall framework for evaluating the performance of systems that incl udes the experimental shipboard evaluation of prototype systems under the provisions of regulatio n D-4, approval of ballast wa ter management systems and associated systems that comply fully with th e requirements of the C onvention, and port State control sampling for compliance under the pr ovisions of article 9 of the Convention.

1.5 The requirements of regulation D-3 stipulate that ballast water management systems used to comply with the Convention must be appr oved by the Administration, taking into account

these Guidelines. In addition to such ballast wa ter management system approval, as set forth in regulation A-2 and regulation B-3, the Convention requires that discharges of ballast water from ships must meet the regulation D-2 performance st andard on an on-going basis. Approval of a system is intended to screen-out management systems that would fail to meet the standards prescribed in regulation D-2 of the Convention. Approval of a system, however, does not ensure that a given system will work on all vessels or in all situations. To satisfy the Convention, a discharge must comply with the D-2 st andard throughout the life of the vessel.

1.6 The operation of ballast water management systems should not impair the health and safety of the ship or personnel, nor should it present any unacceptable harm to the environment or to public health.

1.7 Ballast water management systems ar e required to meet the standards of regulation D-2 and the conditions establishe d in regulation D-3 of the Convention.

These Guidelines serve to evaluate the safe ty, environmental acceptability, practicability and biological effectiveness of the systems design ed to meet these standards and conditions.MEPC 58/23

ANNEX 4 Page 4

I:\MEPC\58\23.doc The cost effectiveness of type-approved equipm ent will be used in de termining the need for

revisions of these Guidelines.

1.8 These Guidelines contain recommenda tions regarding the design, installation, performance, testing environmental accept ability and approval of ballast water

management systems.

1.9 To achieve consistency in its application, the approval procedure re quires that a uniform manner of testing, analysis of samples, and ev aluation of results is developed and applied. These Guidelines should be applie d in an objective, consistent, and transparent way; and their suitability should be periodical ly evaluated and revised as a ppropriate by th e Organization.

New versions of these Guidelines should be duly circulated by the Organization. Due consideration should be given to the practicability of the ballast water management systems.

Goal and purpose

1.10 The goal of these Guidelines is to en sure uniform and proper application of the

standards contained in the Convention. As such the Guidelines are to be updated as the state of knowledge and t echnology may require.

1.11 The purposes of thes e Guidelines are to:

.1 define test and performance requirem ents for the approval of ballast water

management systems;

.2 assist Administrations in determin ing appropriate design, construction and operational parameters necessary for the approval of ballast water management

systems;

.3 provide a uniform interpretation and application of the requirements of regulation D-3;

.4 provide guidance to Administrations, equi pment manufacturers and shipowners in determining the suitability of equipment to meet the requirements of

the Convention and of the environmental acceptability of tr eated water; and

.5 assure that ballast water management systems approved by Administrations are capable of achieving the standard of re gulation D-2 in land-based and shipboard evaluations and do not cause unacceptabl e harm to the vessel, crew, the environment or public health.

Applicability

1.12 These Guidelines apply to the approval of ballast water management systems in

accordance with the Convention.

1.13 These Guidelines apply to ballast water ma nagement systems intended for installation on board all ships required to comply with regulation D-2.MEPC 58/23

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I:\MEPC\58\23.doc Summary of requirements

1.14 The land-based and shipboard approval re quirements for ballast water management systems specified in these gui delines are summarized below.

1.15 The manufacturer of the equipment s hould submit information regarding the design, construction, operation and functioning of the ballast water management system in

accordance with Part 1 of the annex. This information shou ld be the basis for a first evaluation of suitability by the Administration.

1.16 The ballast water management system should be tested for Type Approval in accordance with the procedures descri bed in Parts 2 an d 3 of the annex.

1.17 Successful fulfilment of the requiremen ts and procedures for Type Approval as

outlined in Parts 2 and 3 of the annex should lead to the issuance of a Type Approval Certificate by the Administration.

1.18 When a Type Approved ba llast water management system is installed on board, an installation survey according to se ction 8 should be carried out.

2 BACKGROUND

2.1 The requirements of the Conve ntion relating to approval of ballast water management systems used by ships are set out in regulation D-3.

2.2 Regulation D-2 stipulates that ships m eeting the requirements of the Convention by meeting the ballast water performance standard must discharge:

.1 less than 10 viable organisms per cubic metre greater than or equal to 50 micrometres in minimum dimension;

.2 less than 10 viable organi sms per millilitre less than 50 micrometres in minimum dimension and greater than or equal to 10 micrometres in minimum dimension;

and

.3 less than the following concentrations of indicator microbes, as a human health

standard:

.1 Toxicogenic Vibrio cholerae (serotypes O1 and O139) with less than 1 Colony Forming Unit (cfu) pe r 100 millilitres or less than 1 cfu per 1 gramme (wet weight) of zooplankton samples;

.2 Escherichia coli less than 250 cfu per 100 millilitres; and

.3 Intestinal Enterococci less than 100 cfu per 100 millilitres.MEPC 58/23

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I:\MEPC\58\23.doc 3 DEFINITIONS

For the purpose of these Guidelines:

3.1 Active Substance means a substance or orga nism, including a virus or a fungus that has a general or specific action on or agains t harmful aquatic organisms and pathogens.

3.2 Ballast Water Management System (B WMS) means any system which processes ballast water such that it meets or exceeds the ballast water performance standard in regulation D-2. The BWMS includes ballast wa ter treatment equipment, all associated control equipment, monitoring eq uipment and sampling facilities.

3.3 The Ballast Water Manageme nt Plan is the document refe rred to in regulation B-1 of the Convention describing the ballast wate r management process and procedures implemented on board individual ships.

3.4 Ballast Water Treatment Equipment means equipment which mechanically, physically, chemically, or biologically proce sses, either singularly or in combination, to remove, render harmless, or avoid the uptak e or discharge of harmful aquatic organisms and pathogens within ballast water and sedime nts. Ballast water tr eatment equipment may operate at the uptake or discharge of ballast wa ter, during the voyage, or at a combination of

these events.

3.5 Control Equipment refers to the installed equipment requ ired to operate and control

the ballast water tr eatment equipment.

3.6 The Convention means the International Convention for the Control and Management of Ships’ Ballast Water and Sediments.

3.7 Monitoring Equipment refers to the equi pment installed for th e assessment of the effective operation of the balla st water treatment equipment.

3.8 Sampling Facilities refers to the means pr ovided for sampling treated or untreated

ballast water as needed in these Guidelines and in the “Guidelin es for ballast water sampling (G2)” developed by the Organization.

3.9 Shipboard Testing is a full-scale test of a complete BWMS carried out on board a ship according to Part 2 of the anne x to these Guidelines , to confirm that th e system meets the standards set by regulati on D-2 of the Convention.

3.10 Treatment Rated Capacity (TRC) is the maximum continuous capacity expressed in cubic metres per hour for which the BWMS is type approved. It states the amount of ballast water that can be treated per unit time by the BWMS to meet the standard in regulation D-2

of the Convention.

3.11 Land-based Testing is a test of the BWMS carried out in a laboratory, equipment factory or pilot plant including a moored test ba rge or test ship, according to Parts 2 and 3 of

the annex to these Guidelines , to confirm that the BWMS meets the standards set by regulation D-2 of the Convention

.MEPC 58/23

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I:\MEPC\58\23.doc 3.12 Viable Organisms are organisms and any life stages thereof that are living.

4 TECHNICAL SPECIFICATIONS

4.1 This section details the general technical requirements which a BWMS should meet in order to obtain Type Approval.

Ballast water management systems

4.2 The BWMS should not contain or use an y substance of a dangerous nature, unless adequate arrangements for storage, applicatio n, mitigation, and safe handling, acceptable to the Administration, are provided to m itigate any hazards introduced thereby.

4.3 In case of any failure compromising th e proper operation of the BWMS, audible and visual alarm signals should be given in all stations from which ballast water operations

are controlled.

4.4 All working parts of the BW MS that are liable to wear or to be damaged should be easily accessible for maintena nce. The routine mainte nance of the BWMS and troubleshooting procedures should be clearly defined by the manufacturer in the operating

and maintenance manual. All maintena nce and repairs should be recorded.

4.5 To avoid interference with the BWMS, the following items should be included:

.1 every access of the BWMS beyond the essential require ments of paragraph 4.4, should require the breaking of a seal;

.2 if applicable, the BWMS should be so constructed that a visual alarm is always activated whenever the BWMS is in operation for purposes of cleaning, calibration, or repair, and these even ts should be recorded by the control equipment;

.3 in the event of an emergency, suitable by-passes or overrides to protect the safety of the ship and personnel should be installed; and

.4 any bypass of the BWMS should ac tivate an alarm, and the bypass event should be recorded by the Control Equipment.

4.6 Facilities should be provided for checking, at the renewa l surveys and according to the manufacturer’s instructions, the performan ce of the BWMS components that take measurements. A calibration certificate certify ing the date of the last calibration check,

should be retained on board fo r inspection purposes. Only the manufacturer or persons authorized by the manufacturer sh ould perform the accuracy checks.

Ballast water treatment equipment

4.7 The ballast water treatment equipment s hould be robust and suitable for working in the shipboard environment, shoul d be of a design and construction adequate for the service

for which it is intended and should be so inst alled and protected as to reduce to a minimumMEPC 58/23

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I:\MEPC\58\23.doc any danger to persons on board, due regard bei ng paid to hot surfaces and other hazards. The design should have regard to materials us ed in construction, the purpose for which the equipment is intended, the working conditi ons to which it will be subjected and the

environmental conditions on board.

4.8 The ballast water treatment equipment sh ould be provided with simple and effective means for its operation and control. It should be provided with a control system that should be such that the services needed for the pr oper operation of the ballast water treatment equipment are ensured through the necessary automatic arrangements.

4.9 The ballast water treatment equipment shou ld, if intended to be fitted in locations where flammable atmospheres may be present, comply with the relevant safety regulations for such spaces. Any electrical equipment that is part of the BWMS should be based in a non-hazardous area, or should be certified by the Administration as safe for use in a hazardous area. Any moving parts, which are fitted in hazardous areas, should be arranged

so as to avoid the forma tion of static electricity.

Control and monitoring equipment

4.10 The BWMS should incorporate control eq uipment that automatically monitors and adjusts necessary treatment dos ages or intensities or other aspects of the BWMS of the vessel, which while not directly effecting treatment, are nonetheless required for proper administration of the necessary treatment.

4.11 The control equipment should incorporat e a continuous self-monitoring function during the period in which the BWMS is in operation.

4.12 The monitoring equipment should reco rd the proper functioning or failure of

the BWMS.

4.13 To facilitate compliance with regulation B-2, the control equipment should also be able to store data for at least 24 months, and s hould be able to display or print a record for official inspections as required. In the event the control eq uipment is replaced, means should be provided to ensure the da ta recorded prior to replacem ent remains available on board

for 24 months.

4.14 It is recommended that simple means be provided aboard ship to check on drift by measuring devices that are part of the cont rol equipment, repeatability of the control equipment devices, and the ability to re -zero the control equipment meters.

5 TYPICAL DOCUMENT REQUIREMENTS FOR THE PLAN APPROVAL PROCESS

5.1 The documentation submitted for approval should include at least the following:

.1 a description of the BWMS. The description should include a diagrammatic drawing of the typical or required pumping and piping arrangements, and sampling facilities, identifying the operati onal outlets for treated ballast water and any waste streams as appropriate an d necessary. Special considerationsMEPC 58/23

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I:\MEPC\58\23.doc may have to be given to installations intended for ships that have unusual pumping and piping arrangements;

.2 equipment manuals, supplied by manufact urers, containing details of the major components of the BWMS and th eir operation and maintenance;

.3 a generic operations and technical manual for the complete BWMS. This manual should cover the arrangements, the operation and maintenance of the BWMS as a whole and should specifically describe parts of the BWMS which are not covered by the manufacturer’s equipment manuals;

.4 the operations section of the manual including normal operational procedures and procedures for the discharge of untr eated water in the event of malfunction of the ballast water treatment equi pment, maintenance procedures, and emergency action necessary for securing the ship;

.5 methods for the conditioning of treat ed water prior to discharge should be provided, and assessment of discharged water should include a description of the effect of treatment on the ship’s balla st water, in particular the nature of any treatment residuals and by-produc ts and the water’s suitability for discharge into coastal waters. A desc ription should also be provided of any actions necessary to monitor, and if necessary “condition”, treated water prior to discharge in order that it meets applicable water quality regulations; if it can reasonably be concluded that the treatme nt process could result in changes to the chemical composition of the treated water such that adverse impacts to receiving waters might occur upon di scharge, the documentation should include results of toxicity tests of tr eated water. The toxicity tests should include assessments of the effects of hold time following treatment, and dilution, on the toxicity. Toxicity te sts of the treated water should be conducted in accordance with paragra phs 5.2.3 to 5.2.7 of the Procedure for approval of ballast water mana gement systems that make use of Active Substances (G9), as revised, (resolution MEPC.169(57));

.6 a description of BWMS side stream s (e.g., filtered material, centrifugal concentrate, waste or residual chemicals) including a description of the actions planned to properly manage and dispose of such wastes;

.7 a technical section of the manual in cluding adequate information (description and diagrammatic drawings of the mon itoring system and electrical/electronic wiring diagrams) to enable faultfinding. This section should include instructions for keeping a maintenance record;

.8 a technical installati on specification defining, inter alia , requirements for the location and mounting of components, arrangements for maintaining the integrity of the boundary between safe and hazardous spaces and the arrangement of the sample piping; andMEPC 58/23

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I:\MEPC\58\23.doc .9 a recommended test a nd checkout procedure specific to the BWMS. This procedure should specify all the checks to be carried out in a functional test by the installation contractor and should provide guidance for the surveyor when carrying out the on board survey of the BWMS and confirming the

installation reflects the manufacture r’s specific installation criteria.

6 APPROVAL AND CERTIFICATION PROCEDURES

6.1 A BWMS which in every resp ect fulfils the requirements of these Guidelines may be approved by the Administration for fitting on board ships. The approval s hould take the form of a Type Approval Certificate of BWMS, specifying the main particulars of the apparatus and any limiting conditions on its usage necessary to ensure its proper performance. Such certificate should be issued in the format shown in append ix 1. A copy of the Type Approval Certificate of BWMS should be carried on board ships fi tted with such a system at all times.

6.2 A Type Approval Certificate of BWMS should be issued fo r the specific application for which the BWMS is approved, e.g., for specific ballast water capaci ties, flow rates, salinity or temperature regimes, or other limiting condi tions or circumstances as appropriate.

6.3 A Type Approval Certificate of BWMS should be issued by the Administration based on satisfactory compliance with all th e test requirements described in Parts 2, 3 and 4 of the annex.

6.4 An Administration may issue a Type Approval Certificate of BWMS based on separate testing or on testing already carried out under supervision by another Administration.

6.5 The Type Approval Certificate of BWMS should:

.1 identify the type and model of the BWMS to which it applies and identify equipment assembly drawings, duly dated;

.2 identify pertinent drawings bearing m odel specification numbers or equivalent identification details;

.3 include a reference to the full performance test protocol on which it is based, and be accompanied by a copy of the original test results; and

.4 identify if it was issued by an Ad ministration based on a Type Approval Certificate previously issued by another Administration. Such a certificate should identify the Administration that conduc ted the tests on the BWMS and a copy of the original test results should be att ached to the Type Approval Certificate

of BWMS.

6.6 An approved BWMS may be Type Approved by other Administrations for use on their vessels. Should a system approved by one country fail Type Approval in another country, then

the two countries concerned should consult one another with a view to reaching a mutually acceptable agreement.MEPC 58/23

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I:\MEPC\58\23.doc 7 INSTALLATION REQUIREMENTS

Sampling facilities

7.1 The BWMS should be provided with samplin g facilities so arranged in order to collect representative samples of the ship’s ballast water.

7.2 Sampling facilities should in any case be located on the BWMS intake, before the discharging points, and any other points nece ssary for sampling to ascertain the proper functioning of the equipment as may be determined by the Administration.

8 INSTALLATION SURVEY AN D COMMISSIONING PROCEDURES

8.1 Verify that the following documentati on is on board in a suitable format:

.1 a copy of the Type Appr oval Certificate of BWMS;

.2 a statement from the Administration, or from a laboratory authorized by the Administration, to confirm that the electrical and electronic components of the BWMS have been type-tested in ac cordance with the specifications for environmental testing contained in Part 3 of the annex;

.3 equipment manuals for major components of the BWMS;

.4 an operations and techni cal manual for the BWMS specific to the ship and approved by the Administration, containing a technical descrip tion of the BWMS, operational and maintenance procedures, and backup procedures in case of equipment malfunction;

.5 installation specifications;

.6 installation commissioning procedures; and

.7 initial calibration procedures.

8.2 Verify that:

.1 the BWMS installation has been carried out in accordance with the technical installation specification refe rred to in paragraph 8.1.5;

.2 the BWMS is in conformity with the T ype Approval Certificat e of BWMS issued by the Administration or its representative;

.3 the installation of the complete BWMS ha s been carried out in accordance with the manufacturer’s equipment specification;

.4 any operational inlets and outlets are located in the positions indicated on the drawing of the pumping and piping arrangements;MEPC 58/23

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I:\MEPC\58\23.doc .5 the workmanship of the installation is sa tisfactory and, in pa rticular, that any bulkhead penetrations or penetrations of the ballast system piping are to the relevant approved standards; and

.6 the control and monitoring equipment operates correctly.MEPC 58/23

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I:\MEPC\58\23.doc ANNEX

This annex provides detailed test and performance specifications for a BWMS and

contains:

PART 1 – Specifications for Pre-test Evaluation of System Documentation

PART 2 – Test and Performance Specifi cations for Approval of Ballast Water Management Systems

PART 3 – Specification for Environmen tal Testing for Approval of Ballast Water Management Systems

PART 4 – Sample Analysis Methods for the Determination of Biological

Constituents in Ballast Water

PART 1 – SPECIFICATIONS FOR PR E-TEST EVALUATION OF SYSTEM

DOCUMENTATION

1.1 Adequate documentation should be prepared and submitted to the Administration as part of the approval process well in advance of the intended approval testing of a BWMS. Approval of the submitted documentation should be a pre-requisite for carrying out independent approval tests.

General

1.2 Documentation should be provided by the manufacturer/developer for two primary purposes: evaluating the readine ss of the BWMS for undergoing a pproval testing, and evaluating the manufacturer’s proposed test requirements and procedures for the test.

Readiness evaluation

1.3 The readiness evaluation s hould examine the design and c onstruction of the BWMS to determine whether there are any fundamental pr oblems that might constrain the ability of the BWMS to manage ballast water as proposed by the manufacturer, or to operate safely, on board ships. The latter concern should, in add ition to basic issues rela ted to the health and safety of the crew, interactions with the ship’s systems and cargo, and potential adverse environmental effects, also consider the potenti al for longer-term impacts to the safety of the crew and vessel through effect s of the BWMS on corrosion in the ballast system and other spaces.

1.4 The evaluation should also address the degree, if any, to which the manufacturer’s/developer’s e fforts during the research and development phase tested the performance and reliability of the system under operational shipboard conditions and should include a report of the results of those tests.MEPC 58/23

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I:\MEPC\58\23.doc Test proposal evaluation

1.5 Evaluation of the test proposal should ex amine all of the manu facturer’s stated requirements and procedures for installing, ca librating, and operating (including maintenance requirements) the BWMS during a test. This evaluation should he lp the test or ganization to identify any potential health or environmenta l safety problems, unusual operating requirements (labour or materials), and any issues related to the disposal of treatment by-products or

waste streams.

Documentation

1.6 The documentation to be submitted sh ould include at least the following:

.l Technical Manual

– The technical description should include:

– product specification;

– process description;

– operational instructions;

– details (including Certificates where appropriate) of the major components and materials used;

– technical installation specifications in accordance with manufacturers’ specific installation criteria;

– system limitations; and

– routine maintenance and trouble-shooting procedures.

.2 BWMS Drawings

– Diagrammatic drawings of the pumping and piping arrangements, electrical/electronic wi ring diagrams, which should include reference to any waste st reams and sampling points;

.3 Link to the Ballast Water Management Plan

– Information regarding the characteristics and arrangements in which th e system is to be installed as well as the scope of the ships (sizes, types and operation) for wh ich the system is

intended. This information can later fo rm the link between the system and the ship’s ballast water management plan; and

.4 Environmental and Pub lic Health Impacts

– Potential hazards for the

environment should be identified and documented based on environmental studies performed to the extent necessary to assure that no harmful effects are to be expected. In the case of ballast water management systems that make use of Active Substances or Preparati ons containing one or more Active

Substances the “Procedure for the a pproval of ballast water management systems that make use of Active Subs tances (G9)”, as revised, should beMEPC 58/23

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I:\MEPC\58\23.doc followed. The system should then ensure that dosage of the Active Substance and the maximum allowable discharge concentration is kept under the approved criteria at all times. In the case of ballast water management systems

that do not make use of Active Substan ces or Preparations, but which could reasonably be expected to result in cha nges to the chemical composition of the treated water such that adverse impact s to receiving waters might occur upon discharge, the documentation should include results of toxicity tests of treated water as described in paragraph 5.1.5 of these Guidelines.

1.7 The documentation may include specific information relevant to the test set-up to be used for land-based testing according to these Guidelines. Such info rmation should include the sampling needed to ensure proper functioning and any other relevant information needed to ensure proper evaluation of the efficacy an d effects of the equipment. The information provided should also address general compliance with applicable envi ronment, health and safety standards during the Type Approval procedure.

PART 2 – TEST AND PERFORMANCE SP ECIFICATIONS FOR APPROVAL OF

BALLAST WATER MANAGEMENT SYSTEMS

The Administration decides the sequence of land-based and shipboard testing.

2.1 Quality Assurance and Quality Control Procedures

2.1.1 The testing body performing the tests should have implemented appropriate quality

control measures in accordance with recognized internationa l standards acceptable to the

Administration.

2.1.2 The approval testing process should contain a rigorous quality control/quality assurance program, consisting of:

.1 Both a Quality Management Plan (QMP ) and a Quality Assurance Project Plan (QAPP). Guidance on preparation of th ese plans, along with other guidance documents and other general quality control information are available from appropriate international organizations 4

.

.2 The QMP addresses the quality control management structure and policies of the testing body (including subcontractors and outside laboratories).

.3 The QAPP is a project specific techni cal document reflecting the specifics of the BWMS to be tested, the test facility, and other conditions affecting the actual design and implementation of the required experiments.

2.2 Shipboard tests

2.2.1 A shipboard test cycle includes:

4 Such as ISO/IEC 17025.MEPC 58/23

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I:\MEPC\58\23.doc .1 the uptake of ballast water of the ship;

.2 the storage of ballast water on the ship;

.3 treatment of the ballast water in accordance with paragraph 2.2.2.3 by the BWMS, except in control tanks; and

.4 the discharge of balla st water from the ship.

Success criteria for shipboard testing

2.2.2 In evaluating the performance of BWMS inst allation(s) on a ship or ships, the following information and results should be supplied to the satisfaction of the Administration:

.1 Test plan to be pr ovided prior to testing.

.2 Documentation that the BWMS is of a cap acity within the range of the treatment rated capacity for which it is intended.

.3 The amount of ballast water tested in the test cycle on board should be consistent with the normal ballast opera tions of the ship and the BWMS should be operated at the treatment rated capacity for which it is intended to be approved.

.4 Documentation of the results of three consecutive, valid test cycles showing discharge of treated ba llast water in compliance with regulation D-2.

.5 Valid tests are indicated by uptake water, for both th e control tank and ballast water to be treated, with viable organi sm concentration exceeding 10 times the maximum permitted values in regulation D-2.1 and control tank viable organism concentration exceeding the values of regulation D-2.1 on discharge.

.6 Sampling regime:

.1 For the control tank:

.1 three replicate samples of influe nt water, collected over the period of uptake (e.g., beginni ng, middle, end); and

.2 three replicate samples of discharge control water, collected over the period of discharge (e .g., beginning, middle, end).

.2 For treated ballast water:

.1 Three replicate samples of disc harge treated water collected at each of three times during the period of discharge (e.g., 3 x beginning, 3 x middle, 3 x end).

.3 Sample sizes are:MEPC 58/23

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I:\MEPC\58\23.doc .1 For the enumeration of organisms greater than or equal to 50 micrometres or more in minimum dimension, samples of at least one cubic metre should be collected. If samples are concentrated for enumeration the samples should be concentrated using a sieve no greater than 50 micrometres mesh in diagonal

dimension.

.2 For the enumeration of organisms greater than or equal

to 10 micrometres and less than 50 micrometres in minimum dimension, samples of at least one litre should be collected. If samples are concentrated for enumeration the samples should be concentrated using a sieve no greater than 10 micrometres mesh in diagonal dimension.

.3 For the evaluation of bacteria a sample of at least 500 millilitres

should be taken from the influent and treated water. In the absence of laboratory facilities on board the toxicogenic test requirements should be conducted in an appr opriately approved laboratory. However, this may limit the applicability of this test.

.7 The test cycles including invalid and unsuccessful test cycles are to span a trial period of not less than six months.

.8 The applicant is requested to perform th ree consecutive test cycles that comply with regulation D-2 and which are valid in accordance with paragraph 2.2.2.5. Any invalid test cycle does not affect the consecutive sequence.

.9 The source water for test cycles shall be characterized by measurement of salinity, temperature, particulate organic carbon and total suspended solids.

.10 For system operation throughout the trial period, the following information should also be provided:

.1 documentation of all ballast wate r operations including volumes and locations of uptake and discharge, a nd if heavy weathe r was encountered and where;

.2 the possible reasons for the occurrence of an unsuccessful test cycle, or a test cycle discharge failing the D-2 standard should be investigated and reported to the Administration;

.3 documentation of scheduled maintenance performed on the system;

.4 documentation of unscheduled maintenance and repair performed on the

system;

.5 documentation of engineering paramete rs monitored as appropriate to the specific system; and

.6 documentation of functioning of the control and monitoring equipment.MEPC 58/23

ANNEX 4 Page 18

I:\MEPC\58\23.doc 2.3 Land-based testing

2.3.1 The test set-up including the ballast wate r treatment equipment should operate as described in the provided documenta tion during at least 5 valid replicate test cycles. Each test cycle should take place over a period of at least 5 days.

2.3.2 A land-based test cycle should include:

.1 the uptake of ballast water by pumping;

.2 the storage of ballast water for at least 5 days;

.3 treatment of ballast water within the BWMS, except in control tanks; and

.4 the discharge of ballast water by pumping.

2.3.3 Testing should occur using different wate r conditions sequentially as provided for in paragraphs 2.3.17 and 2.3.18.

2.3.4 The BWMS should be tested at its rated capacity or as give n in paragraphs 2.3.13 to 2.3.15 for each test cycle. The equipmen t should function to specifications during this

test.

2.3.5 The analysis of treated water discharge from each test cycle should be used to determine that the average of discharge sa mples does not exceed the concentrations of regulation D-2 of the Convention.

2.3.6 The analysis of treated water discharge from th e relevant test cycle(s) should also be used to evaluate the toxicity of the discharged wate r for BWMS that make use of Active Substances

and also for those BWMS that do not make use of Active Substances or Preparations but which could reasonably be expected to result in changes to the chemical composition of the treated water such that adverse impacts to receiving wate rs might occur upon discharge. Toxicity tests of the treated water discharge should be conducted in accordan ce with paragraphs 5.2.3 to 5.2.7 of the Procedure for approval of ballast water management systems that make use of Active Substances, as revi sed (resolution MEPC.169(57)).

Land-based testing objectives, limitations and criteria for evaluation

2.3.7 The land-based testing serves to determin e the biological efficacy and environmental acceptability of the BWMS under consideration for Type Approval. The approval testing aims to ensure replicability and comparabilit y to other treatment equipment.

2.3.8 Any limitations imposed by the ballast water management system on the testing procedure described here should be duly noted and evaluated by the Administration.

Land-based set-up

2.3.9 The test set-up for approval tests should be representative of the characteristics and arrangements of the types of ships in which the equipment is intended to be installed. The test set-up should therefore include at least the following:MEPC 58/23

ANNEX 4 Page 19

I:\MEPC\58\23.doc .1 the complete BWMS to be tested;

.2 piping and pumping arrangements; and

.3 the storage tank that simu lates a ballast tank, construc ted such that the water in the tank should be comple tely shielded from light.

2.3.10 The control and tr eated simulated ballast tanks should each include:

.1 a minimum capacity of 200 m 3 ;

.2 normal internal structures, incl uding lightening and drainage holes;

.3 standard industry practices for desi gn, construction and surface coatings for ships; and

.4 the minimum modifications requir ed for structural integrity on land.

2.3.11 The test set-up should be pressure-washed with tap water, dried and swept to remove loose debris, organisms and other matter before starting testing procedures, and between test cycles.

2.3.12 The test set-up will include facilities to allow sampling as described in paragraphs 2.3.26 and 2.3.27 and provisions to supply influents to the system, as specified in paragraph 2.3.19 and/or 2.3.20. The installation arrangements shoul d conform in each case with those specified and approved under the procedure outlined in sec tion 7 of the main body to these Guidelines.

Ballast water treatment equipment scaling

2.3.13 In-line treatment equipment may be downsized for land-based testing, but only when the following criteria are taken into account:

.1 equipment with a TRC equa l to or smaller than 200 m 3 /h should not be downscaled;

.2 equipment with a TRC larger than 200 m 3 /h but smaller than 1,000 m 3 /h may be downscaled to a maximum of 1:5 scale, but may not be smaller

than 200 m 3 /h; and

.3 equipment with a TRC equa l to, or larger than, 1,000 m 3 /h may be downscaled to a maximum of 1:100 scale, but may not be smaller than 200 m 3 /h.

2.3.14 The manufacturer of the equipmen t should demonstrate by using mathematical modelling and/or calculations, that any downscaling will not aff ect the ultimate functioning and effectiveness on board a ship of th e type and size for which the equipment

will be certified.

2.3.15 In-tank treatment equipment should be tested on a scale that allows verification of

full-scale effectiveness. Th e suitability of the test set-up should be evaluated by the manufacturer and approve d by the Administration.MEPC 58/23

ANNEX 4 Page 20

I:\MEPC\58\23.doc 2.3.16 Larger scaling may be applied and lower flow rates used than provided for in 2.3.13, if the manufacturer can provide evidence from full-scale shipboard testing and in accordance with 2.3.14 that scaling and fl ow rates will not adversely affect the ability of the results to predict full-scale compliance with the standard.

Land-based test design

– inlet and outlet criteria

2.3.17 For any given set of test cycles (5 re plicates is considered a set) a salinity range should be chosen. Given the salinity, the test water used in the test set up described above should have dissolved and particulate content in one of the following combinations:

Salinity

> 32 PSU 3 – 32 PSU < 3 PSU Dissolved Organic Carbon (DOC) > 1 mg/l > 5 mg/l > 5 mg/l

Particulate Organic Carbon (POC) > 1 mg/l > 5 mg/l > 5 mg/l

Total Suspended Solids (TSS) > 1 mg/l > 50 mg/l > 50 mg/l

2.3.18 At least two sets of tests cycles should be conducted, each with a different salinity range and associated dissolved and pa rticulate content as prescribed in paragraph 2.3.17. Tests under adjacent salinity ranges in the above tabl e should be separated by at least 10 PSU 5

.

2.3.19 Test organisms may be either natura lly occurring in the test water, or cultured species that may be added to the test water. The organism concentra tion should comply with paragraph 2.3.20 below.

2.3.20 The influent water should include:

.1 test organisms of greater than or equa l to 50 micrometres or more in minimum dimension should be present in a total density of preferably 10 6 but not less

than 10 5 individuals per cubic metre, and sh ould consist of at least 5 species from at least 3 different phyla/divisions;

.2 test organisms greater than or equal to 10 micrometres and less than 50 micrometres in minimum dimension should be present in a total density of preferably 10 4 but not less than 10 3 individuals per millilitre, and should consist of at least 5 species fro m at least 3 different phyla/divisions;

.3 heterotrophic bacteria should be pr esent in a density of at least 10 4 living bacteria per millilitre; and

5 For example, if one set of test cycles is carried out at >32 PSU and a second set at 3-32 PSU, the test cycle in the 3-32 PSU range needs to be at least 10 PSU less than the lowest salinity used in the test cycle in the >32 PSU range.MEPC 58/23

ANNEX 4 Page 21

I:\MEPC\58\23.doc .4 the variety of organisms in the test water should be documented according to the size classes mentioned above regardless if natural organism assemblages or cultured organisms were used to meet the density and organism variety requirements.

2.3.21 The following bacteria do not need to be added to the influent water, but should be

measured at the influent a nd at the time of discharge:

.1 Coliform;

.2 Enterococcus group;

.3 Vibrio cholerae ; and

.4 Heterotrophic bacteria.

2.3.22 If cultured test organisms are used, th en it should be ensured that local applicable quarantine regulations are taken into account during culturing and discharge.

Land-based monitoring and sampling

2.3.23 Change of numbers of test organi sms by treatment and during storage in the simulated ballast tank should be measured using methods described in Part 4 of the annex, paragraphs 4.5 to 4.7.

2.3.24 It should be verified that the treat ment equipment performs within its specified parameters, such as power consumption and flow rate, during the test cycle.

2.3.25 Environmental parameters such as pH, temperature, salinity, dissolved oxygen, TSS, DOC, POC and turbidity (NTU) 6 should be measured at the same time that the samples

described are taken.

2.3.26 Samples during the test should be taken at the following times and locations: immediately before the treatment equipment, immediately after the treatment equipment and upon discharge.

2.3.27 The control and treatme nt cycles may be run simultane ously or sequentially. Control samples are to be taken in the same ma nner as the equipment te st as prescribed in paragraph 2.3.26 and upon influe nt and discharge. A series of examples are included in figure 1.

2.3.28 Facilities or arrangements for sampling should be provided to ensure representative samples of treated and control water can be ta ken that introduce as little adverse effects as possible on the organisms.

2.3.29 Samples described in paragraphs 2.3. 26 and 2.3.27 should be collected in triplicate

on each occasion.

6 NTU=Nominal Turbidity Unit.MEPC 58/23

ANNEX 4 Page 22

I:\MEPC\58\23.doc 2.3.30 Separate samples should be collected for:

.1 organisms of greater than or equal to 50 micrometres or more in minimum dimension;

.2 organisms greater than or equal to 10 micrometres and less than 50 micrometres in minimum dimension;

.3 for coliform, enterococcus group, Vibrio cholerae and heterotrophic bacteria;

and

.4 toxicity testing of treated water, from the discharge, for BWMS that make use

of Active Substances and also for those BWMS that do not make use of Active Substances or Preparations but which could reasonably be expected to result in changes to the chemical composition of the treated water such that adverse impacts to receiving wa ters might occur upon discharge.

2.3.31 For the comparison of or ganisms of greater than or equa l to 50 micrometres or more

in minimum dimens ion against the D-2 sta ndard, at least 20 litres of influent water and l cubic metre of treated water, in triplicate respectively, should be collected. If samples are concentrated for enumeration, the sample s should be concentrated using a sieve no greater than 50 micrometres mesh in the diagonal dimension.

2.3.32 For the evaluation of organisms greater than or equa l to 10 micrometres and less than 50 micrometres in minimum dimension, at least 1 litre of influent water and at least 10 litres of treated water should be collected. If samples are concentrated for enumeration, the samples should be concentrated using a sieve no greater than 10 micrometres mesh in the diagonal dimension.

2.3.33 For the evaluation of bacteria, at least 500 millilitres of influent and treated water

should be collected in sterile bottles.

2.3.34 The samples should be analysed as soon as possible after sampling, and analysed live

within 6 hours or treated in such a way so as to ensure that proper analysis can be performed.

2.3.35 The efficacy of a propos ed system should be tested by means of standard scientific methodology in the form of controlled experime ntation, i.e. “experiments”. Specifically, the effect of the BWMS on organism concentration in ballast water should be tested by comparing treated ballast water, i.e. “treat ed groups”, to untreated “control groups”,

such that:

.1 one experiment should consist of a co mparison between control water and treated water. Multiple samples, but at a minimum of three, of control and treated water within a single test cycle should be taken to obtain a good statistical estimate of the conditions within the water during that experiment. Multiple samples taken during a single test cycle should not be treated as independent measures in the

statistical evaluation of treatment ef fect, to avoid “pseudo-replication”.MEPC 58/23

ANNEX 4 Page 23

I:\MEPC\58\23.doc 2.3.36 If in any test cycle the average discharge results from the control water is a concentration less than or equa l to 10 times the values in re gulation D-2.1, the test cycle is

invalid.

2.3.37 Statistical analysis of BW MS performance should consist of t- tests, or similar statistical tests, comparing control and treated water. Th e comparison between control and treated water will provide a test of unexpected mortality in the control water, indicating the effect of an uncontrolled source of mortality in the testing arrangement.

2.4 Reporting of test results

2.4.1 After approval tests have been completed, a report should be submitted to the Administration. This report should include information regarding the test design, methods of analysis and the results of these analyses.

2.4.2 The results of biological efficacy testing of the BWMS should be a ccepted if during the land-based and shipboard testing co nducted as specified in sections 2.2 and 2.3 of th is annex it is shown that the system has met the standard in re gulation D-2 in all test cycles as provided in paragraph 4.7 below.

PART 3 –- SPECIFICATION FOR ENVI RONMENTAL TESTING FOR APPROVAL

OF BALLAST WATER MANAGEMENT SYSTEMS

Test specifications

3.1 The electrical and electronic sections of BWMS in the standard production configuration should be subjected to the programme of environmental tests set out in this specification at a laboratory approved for th e purpose by the Administration or by the competent authority of the ma nufacturer’s home country.

3.2 Evidence of successful compliance with the environm ental tests below should be

submitted to the Administration by the manufacturer together with the application for type approval.

Test specification details

3.3 Equipment should operate satisfactorily on completion of ea ch of the operating

environment tests listed below.

Vibration tests

3.4 A resonance search should be made over the following ra nges of oscillation frequency and amplitude:

.1 2 to 13.3 Hz with a vibr ation amplitude of 1 mm; and

.2 13.2 to 80 Hz with an accel eration amplitude of 0.7 g.

This search should be made in each of the thr ee orthogonal planes at a rate sufficiently low to permit resonance detection.MEPC 58/23

ANNEX 4 Page 24

I:\MEPC\58\23.doc 3.5 The equipment should be vibrated in the above-mentioned planes at each major resonant frequency for a period of two hours.

3.6 In the absence of any resonant frequency, the equipment should be vibrated in each of the planes at 30 Hz with an accelerati on of 0.7 g for a period of two hours.

3.7 After completion of the test s specified in paragraph 3.5 or 3.6 a search should again be

made for resonance and there should be no si gnificant change in the vibration pattern.

Temperature tests

3.8 Equipment that may be installed in exposed areas on the open deck, or in an enclosed space not environmentally controlled should be subjected, for a period of not less than two hours, to:

.1 a low temperature test at -25°C; and

.2 a high temperat ure test at 55°C.

3.9 Equipment that may be installed in an enclosed space that is environmentally controlled including an engine-room should be subjected, for a period of not less than two hours, to:

.1 a low temperature test at 0°C; and

.2 a high temperat ure test at 55°C.

3.10 At the end of each of the tests referred to in the subparagraphs above, the equipment

should be switched on and it should func tion normally under the test conditions.

Humidity tests

3.11 Equipment should be left switched off for a period of two hours at a temperature of 55°C in an atmosphere with a relative humid ity of 90%. At the end of this period, the equipment should be switched on and should operate satisfactorily for one hour under the test

conditions.

Tests for protection against heavy seas

3.12 Equipment that may be installed in ex posed areas on the open deck should be subjected to tests for protection against heavy seas in accordance with 1P 56 of publication IEC 529 or its equivalent.

Fluctuation in power supply

3.13 Equipment should operate satisfactorily with:

.1 a voltage variation of +/- 10% t ogether with a simultaneous frequency variation of +/- 5%; andMEPC 58/23

ANNEX 4 Page 25

I:\MEPC\58\23.doc .2 a transient voltage of +/- 20% together with a simultaneous frequency transient of +/- 10%, with a transient r ecovery time of three seconds.

Inclination test

3.14 The BWMS should be designed to operate when the ship is upright and when inclined at any angle of list up to and including 15° eith er way under static conditions and 22.5° under dynamic conditions (rolling) either way an d simultaneously inclined dynamically (pitching) 7.5° by bow or stern. The Administration may permit deviation from these angles, taking into consideration the type, size and se rvice conditions of the ship and operational functioning of the equipment. Any devi ation permitted is to be documented in the Type Approval Certificate.

Reliability of electrical and electronic equipment

3.15 The electrical and electronic components of the equipment shou ld be of a quality guaranteed by the manufacturer and suitable for their intended purpose.

PART 4 – SAMPLE ANALYSIS METHOD S FOR THE DETERMINATION OF

BIOLOGICAL CONSTITUENTS IN BALLAST WATER

Sample processing and analysis

4.1 Samples taken during testing of BWMS are likely to contain a wide taxonomic diversity of organisms, varying greatly in size and susceptibilities to dama ge from sampling and analysis.

4.2 When available, widely accepted standa rd methods for the collection, handling (including concentration), storage, and analysis of samples should be used. These methods should be clearly cited and described in test plans and reports. This includes methods for detecting, enumerating, and identifying organisms and for determining viability (as defined in these Guidelines).

4.3 When standard methods are not available for particular organisms or taxonomic groups, methods that are developed for use should be desc ribed in detail in te st plans and reports. The descriptive documentation should include a ny experiments needed to validate the use of

the methods.

4.4 Given the complexity in samples of natura l and treated water, th e required rarity of organisms in treated samples under regulation D-2, and the expe nse and time requirements of current standard methods, it is likely that several new approaches will be developed for the analyses of the composition, conc entration, and viabili ty of organisms in samples of ballast water. Administrations/Parties are encouraged to share information concerning methods for the analysis of ballast water samples, using existing scientific venues , and papers distributed through the Organization.

Sample analysis for determ ining efficacy in meeting the discharge standard

4.5 Sample analysis is meant to determin e the species compositi on and the number of viable organisms in the sample. Different samples may be taken for determination of viability and for species composition.MEPC 58/23

ANNEX 4 Page 26

I:\MEPC\58\23.doc 4.6 Viability of an organism can be dete rmined through live/dead judgement by appropriate methods including, but not limited to: morphological change

, mobility, staining using vital dyes or molecular techniques.

4.7 A treatment test cycle shoul d be deemed successful if:

.1 it is valid in accordance with paragr aph 2.2.2.5 or 2.3.3 6 as appropriate;

.2 the average density of organisms great er than or equal to 50 micrometres in minimum diameter in the replicate sample s is less than 10 vi able organisms per cubic metre;

.3 the average density of organisms less th an 50 micrometres and greater than or equal to 10 micrometres in minimum diameter in the replicate samples is less than 10 viable orga nisms per millilitre;

.4 the average density of Vibrio cholerae (serotypes O1 and O139) is less than 1 cfu per 100 millilitres, or less than 1 cfu per 1 gramme (wet weight) zooplankton samples;

.5 the average density of E. coli in the replicate sample s is less than 250 cfu per 100 millilitres; and

.6 the average density of intestinal Enterococci in the replicate samples is less than 100 cfu per 100 millilitres.

4.8 It is recommended that a non-exhaustive list of standard methods and innovative research techniques be considered 7

.

Sample analysis for determining eco-toxic ological acceptability of discharge

4.9 Toxicity tests of the treated water disc harge should be conducted in accordance with paragraphs 5.2.3 to 5.2.7 of the Procedure for approva l of ballast water management systems that make use of Active Substances, as revised (resolution MEPC.169(57)).

7 Suggested sources may include but not be limited to:

.1 The Handbook of Standard Methods For the Analysis of Water and Waste Water.

.2 ISO standard methods.

.3 UNESCO standard methods. .4 World Health Organization. .5 American Society of Testing and Materials (ASTM) standard methods.

.6 United States EPA standard methods. .7 Research papers published in peer-reviewed scientific journals.

.8 MEPC documents.MEPC 58/23

ANNEX 4 Page 27

I:\MEPC\58\23.doc APPENDIX

BADGE OR CIPHER NAME OF ADMINISTRATION

TYPE APPROVAL CERTIFICATE OF BALLAST WATER MANAGEMENT SYSTEM

This is to certify that the ballast water mana gement system listed below has been examined and tested in accordance with the requiremen ts of the specifications contained in

the Guidelines contained in IMO resolution ME PC...(..). This certifica te is valid only for the ballast water management system referred to below.

Ballast water management system supplied by ....................................................................

under type and model designation ....................................................................................... and incorporating:

Ballast water management system manufactured by ............................................................

to equipment/assembly drawing No. ............................................ date ...............................

Other equipment manufactured by .......................................................................................

to equipment/assembly drawing No. ............................................ date ...............................

Treatment rated capacity ............................................................ m 3 /h

A copy of this Type Approval Certificate, sh ould be carried on board a vessel fitted with this ballast water management system at all ti mes. A reference to the test protocol and a copy of the test results should be ava ilable for inspection on board the vessel. If the Type Approval Certificate is issued based on approval by another Administration, reference to that Type Approva l Certificate shall be made.

Limiting Conditions imposed are described in the appendix to this document.

Official stamp Signed .....................................................................................

Administration of ..................................................................... Dated this ............... day of .................................... 20..........

Enc. Copy of the original test results.MEPC 58/23

ANNEX 4 Page 28

I:\MEPC\58\23.doc Figure 1 Diagrammatic arrangement of possible land-based tests

*** 5

4 SOURCE

2
3

4

4

6

4 4

1. Pump 4. Sample tanks 2. Feed Tank 5. Treatment System
3. Feed Line 6. Simulated Ballast Water Tank 5 6 6 SOURCE

2

4

4 4

In-tank In Line

4 1

6

1 3