Appendix
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Marine Environment Protection Committee - Resolution MEPC.108(49) - Revised Guidelines and Specifications for Oil Discharge Monitoring and Control Systems for Oil Tankers - (Adopted on 18 July 2003)Amended by Resolution MEPC.240(65) - Annex - Revised Guidelines and Specifications for Oil Discharge Monitoring and Control Systems for Oil Tankers - Appendix

Appendix

NAME OF ADMINISTRATION
CERTIFICATE OF TYPE APPROVAL FOR OIL CONTENT METERS INTENDED FOR MONITORING THE DISCHARGE OF OIL-CONTAMINATED WATER FROM THE CARGO TANK AREAS OF OIL TANKERS
This is to certify that the oil content meter, comprising the equipment listed below, has been examined and tested in accordance with the requirements of the specification contained in part 1 of the annex to the Guidelines and Specifications contained in IMO resolution MEPC.108(49). This certificate is valid only for an oil content meter referred to below.
Oil content meter supplied by ..............................................................................................
under type and model designation .......................................................................................
and incorporating:
Oil content meter analysing unit manufactured by ..............................................................
to specification/assembly drawing No. ..................... date ................................................
Electronic section of oil content meter manufactured by ....................................................
to specification/assembly drawing No. ...................... date .................................................
*Sample feed pump manufactured by .................................................................................
to specification/assembly drawing No. ...................... date .................................................
*Sample conditioning unit manufactured by ........................................................................
to specification/assembly drawing No. ...................... date .................................................
The oil content meter is acceptable for the following applications:
*Crude oils
* “Black" products
* "White" products
*Individual biofuel blends containing 75 per cent or more of petroleum oil, other products, or applications, listed below
A copy of this certificate should be carried aboard a ship fitted with this equipment at all times.
Test data and results attached as appendix.
  Signed ........................................................
Official stamp Administration of ........................................
  Dated this .................. day of ........... 20 ....
* Delete as appropriate.  
TEST DATA AND RESULTS OF TESTS CONDUCTED ON AN OIL CONTENT METER IN ACCORDANCE WITH PART 1 OF THE ANNEX TO THE GUIDELINES AND SPECIFICATIONS CONTAINED IN IMO RESOLUTION MEPC.108(49)
Oil content meter submitted by ...........................................................................................
Test location ........................................................................................................................
Method of sample analysis ..................................................................................................
Samples analysed by ..........................................................................................................
Environmental testing of the electronic section of the oil content meter has been carried out in accordance with part 2 of the annex to the Guidelines and Specifications contained in IMO Resolution MEPC.108(49). The equipment functioned satisfactorily on completion of each test specified on the environmental test protocol.
  READINGS (ppm)  
    Indicated Measured Grab Sample REMARKS  
CALIBRATION 0 ................ ................ ................    
  15 ................ ................ ................    
  50 ................ ................ ................    
  100 ................ ................ ................    
  200 ................ ................ ................    
  400 ................ ................ ................    
  600 ................ ................ ................ TEST  
  800 ................ ................ ................ WATER TEMPERATURE ºC
  1000 ................ ................ ................ RE-ZERO YES/NO*
    ................ ................ ................   YES/NO*
    ................ ................ ................    
OIL TYPE            
RESPONSE TESTS            
No.1 crude oil 15 ................ ................ ................    
  100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................    
RECORDED ZERO   ................     RE-ZERO YES/NO*
          TIME mins
          RECALIBRATE YES/NO*
          TIME mins
          CLEAN YES/NO*
          TIME mins
No.2 crude oil 15 ................ ................ ................    
  100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................    
RECORDED ZERO   ................     RE-ZERO YES/NO*
          TIME mins
          RECALIBRATE YES/NO*
          TIME mins
M.F.S.V. = MAXIMUM         CLEAN YES/NO*
FULL SCALE VALUE         TIME mins
 
* Delete as appropriate.
    READINGS (ppm)    
    Indicated Measured Grab sample REMARKS  
    ................ ................ ................    
No.3 crude oil 15 ................ ................ ................    
  100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................    
RECORDED ZERO   ................     RE-ZERO YES/NO*
          TIME mins
          RECALIBRATE YES/NO*
          TIME mins
          CLEAN YES/NO*
          TIME mins
No.4 crude oil 15 ................ ................ ................    
  100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................    
RECORDED ZERO   ................     RE-ZERO YES/NO*
          TIME mins
          RECALIBRATE YES/NO*
          TIME mins
          CLEAN YES/NO*
          TIME mins
No.5 crude oil 15 ................ ................ ................    
  100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................    
RECORDED ZERO   ................     RE-ZERO YES/NO*
          TIME mins
          RECALIBRATE YES/NO*
          TIME mins
          CLEAN YES/NO*
          TIME mins
 
* Delete as appropriate.
  READINGS (ppm)  
Indicated Measured Grab sample REMARKS
Marine residual fuel oil ................ ................ ................    
  15 ................ ................ ................    
RMG 35- ISO 8217 100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................    
RECORDED ZERO   ................     RE-ZERO YES/NO*
          TIME mins
          RECALIBRATE YES/NO*
          TIME mins
          CLEAN YES/NO*
    ................ ................ ................ TIME mins
Automotive gasoline            
  15 ................ ................ ................    
  100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................    
RECORDED ZERO   ................     RE-ZERO YES/NO*
          TIME mins
          RECALIBRATE YES/NO*
          TIME mins
          CLEAN YES/NO*
          TIME mins
 
* Delete as appropriate.
  READINGS (ppm)  
  Indicated Measured Grab sample REMARKS
Kerosene   ................ ................ ................    
  15 ................ ................ ................    
  100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................    
RECORDED ZERO   ................     RE-ZERO YES/NO*
          TIME mins
          RECALIBRATE YES/NO*
          TIME mins
          CLEAN YES/NO*
          TIME mins
Marine distillate fuel oil   ................ ................ ................    
DMA-ISO 8217 15 ................ ................ ................    
  100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................    
RECORDED ZERO   ................     RE-ZERO YES/NO*
          TIME mins
          RECALIBRATE YES/NO*
          TIME mins
          CLEAN YES/NO*
          TIME mins
NOTE:

If alternative oils covering the same range of properties as the crude oils listed are used, these should be substituted where applicable.

 
* Delete as appropriate.
INDIVIDUAL BIOFUEL BLENDS AND CONCENTRATIONS*
  READINGS (ppm)  
    Indicated Measured Grab sample REMARKS  
Bio-Fuel Blend 75% Petroleum Oil
Name of Bio-fuel and petroleum oil components
………………… %
…………………. % 		  ................ ................ ................    
.......................... 15 ................ ................ ................    
  100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................ RE-ZERO YES/NO**
RECORDED ZERO   ................     TIME mins
          RECALIBRATE YES/NO**
          TIME mins
          CLEAN YES/NO**
    ................ ................ ................ TIME mins
Bio-Fuel Blend 99% Petroleum Oil
Name of Bio-fuel and petroleum oil components
………………… %
…………………. % 		           
.......................... 15 ................ ................ ................    
  100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................    
RECORDED ZERO   ................     RE-ZERO YES/NO**
          TIME mins
          RECALIBRATE YES/NO**
          TIME mins
          CLEAN YES/NO**
          TIME mins
RESPONSE TIMES       Seconds
  First detectable reading   ………………………….
    63 ppm ………………………….1
    90 ppm ………………………….
  Stabilized maximum reading or 100
ppm 		…ppm ………………………….
  First detectable drop   …………………………
        37 ppm …………………………2
        10 ppm …………………………
  Stabilized minimum reading …ppm …………………………
  = …………………………
             
* This page should be included in the certificate only if the oil content meter has been tested against bio-fuel blends.
** Delete as appropriate.
OTHER PRODUCTS OR APPLICATIONS*
  READINGS (ppm)  
    Indicated Measured Grab sample REMARKS  
Name of product
  ................ ................ ................    
.......................... 15 ................ ................ ................    
  100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................ RE-ZERO YES/NO**
RECORDED ZERO   ................     TIME mins
          RECALIBRATE YES/NO**
          TIME mins
          CLEAN YES/NO**
    ................ ................ ................ TIME mins
Name of product            
.......................... 15 ................ ................ ................    
  100 ................ ................ ................    
90% M.F.S.V. =   ................ ................ ................    
RECORDED ZERO   ................     RE-ZERO YES/NO**
          TIME mins
          RECALIBRATE YES/NO**
          TIME mins
          CLEAN YES/NO**
          TIME mins
* This page should be included in the certificate only if the oil content meter has been tested against other products and application substances.
** Delete as appropriate.
OIL FOULING AND CALIBRATION SHIFT seconds
10% oil concentration test   ............................
  First detectable response   ............................
    15 ppm ............................
    100 ppm ............................
  Off scale on highest range   ............................
  On scale on highest range   ............................
    100 ppm ............................
    15 ppm ............................
  Minimum reading ... ppm ............................
  Further cleaning required YES/NO∗    
  (State extent)    
  Time................................mins    
100% oil concentration test   seconds
  First detectable response   ............................
    15 ppm ............................
    100 ppm ............................
  Off scale on highest range   ............................
  On scale on highest range   ............................
    100 ppm ............................
    15 ppm ............................
  Minimum reading ....ppm ............................
  Further cleaning required YES/NO*   ............................
  (State extent)   ............................
  Time .................................. mins   ............................
  Calibration shift ....ppm ............................
       
* Delete as appropriate.    
CONTAMINANT TEST
Meter reading shift with 300 ppm non-oil contaminants mixed with water and No.2 crude oil in oil concentrations of:
  - 15 ppm .... ppm
  - 100 ppm .... ppm
  - 300 ppm .... ppm
AIR ENTRAINMENT TEST
Meter reading shift with 1% air entrained in water and No.2 crude oil added in concentrations of:
  - 15 ppm .... ppm
  - 100 ppm .... ppm
  - 300 ppm .... ppm
OIL PARTICLE SIZE TEST
  Meter reading shift .... ppm
TEMPERATURE TEST
  Calibration test water temperature ....... °C
  Meter reading shift at 10°C .... ppm
  Meter reading shift at 65°C .... ppm
SAMPLE PRESSURE OR FLOW TEST
  Meter reading shift at 50° of normal .... ppm
  Meter reading shift at 200° of normal .... ppm
  Deviations from this test should be stated if necessary .... ppm
SHUT-OFF TEST
  Meter reading before shut off .... ppm
  Meter reading after start-up .... ppm
  (minimum dry period 8 hours)  
  Damage to meter as follows:  
UTILITIES SUPPLY VARIATION TEST
  110% voltage effects .......................................................  
  90% voltage effects .........................................................  
  110% air pressure effects ...............................................  
  90% air pressure effects .................................................  
  110% hydraulic pressure effects .....................................  
  90% hydraulic pressure effects .......................................  
OTHER COMMENTS
CALIBRATION AND ZERO DRIFT TEST
  Calibration drift .... ppm
  Zero drift .... ppm
SHUTDOWN AND RE-ENERGIZATION TEST
  Span drift .... ppm
  Zero drift .... ppm
  Time for warm-up and calibration .... ppm
 
  Date Official
Signed   stamp
(Official stamp or equivalent identification and the date of approval to be placed on all pages of the test protocol)
Parent topic: Annex - Revised Guidelines and Specifications for Oil Discharge Monitoring and Control Systems for Oil Tankers
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