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UNITOR CHEMICALS page 1 of 39400 New Century Drive

Pasadena, Texas 77507

Cooling Water Treatment Programme

Ship's name Owner Holland America Line IMO #

Main Engine Manufacturer Type Product Rocor NB Liquid

Make-up Disti lled

Dieselguard NB

Engine powerMixed

Month

Jan Feb Mar April May June

Year 2005

July Aug Sept Oct Nov Dec

Eight Cyl. HT System Capacity tonnes Eight Cyl. LT System Capacity tonnes

1-3 4-7 8-11 12-15 16-19 20-23 24-27 28-31 1-3 4-7 8-11 12-15 16-19 20-23 24-27 28-31

Nitrite as ppm NO2 2700 2700

2520 2520

2340 2340

2160 21601980 1980

1800 1800

1620 1620

1440 1440

1260 1260

1080 1080

900 900

720 720

540 540

360 360

Chloride as ppm Cl 100 100

Maximum 50 ppm 80 80

60 60

40 4020 20

0 0

pH 8.3-10 8.3-10

Rocor NB Liquid liter liter

Dieselguard NB kg kg

Make-up liter liter

Eight Cyl. Nozzle Cooling System Capacity tonnes

1-3 4-7 8-11 12-15 16-19 20-23 24-27 28-31

Nitrite as ppm NO2 2700

2520

2340

2160

1980

1800

1620

1440

1260

1080

900

720

540

360

Chloride as ppm Cl 100

Maximum 50 ppm 80

60

4020

0

pH 8.3-10

Rocor NB Liquid liter

Dieselguard NB kg

Make-up liter

Comments:

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UNITOR CHEMICALS page 2 of 39400 New Century Drive

Pasadena, Texas 77507

Cooling Water Treatment Programme

Twelve Cyl. HT System Capacity tonnes Twelve Cyl. LT System Capacity tonnes

Nitrite as ppm NO2 2700 2700

2520 2520

2340 2340

2160 2160

1980 1980

1800 1800

1620 16201440 1440

1260 1260

1080 1080

900 900

720 720

540 540

360 360

Chloride as ppm Cl 100 100

Maximum 50 ppm 80 80

60 60

40 40

20 20

0 0

pH 8.3-10 8.3-10

Rocor NB Liquid liter liter

Dieselguard NB kg kg

Make-up liter liter

Twelve Cyl. Nozzle Cooling System Capacity tonnes

1-3 4-7 8-11 12-15 16-19 20-23 24-27 28-31

Nitrite as ppm NO2 2700

2520

2340

2160

1980

1800

1620

1440

1260

1080

900

720

540

360

Chloride as ppm Cl 100

Maximum 50 ppm 80

60

40

20

0

pH 8.3-10

Rocor NB Liquid liter

Dieselguard NB kg

Make-up liter

Comments:

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UNITOR CHEMICAL S page 3 of 39400 New Century Drive

Pasadena, Texas 77507

Cooling Water Treatment Programme

Main LT System Capacity tonnes Air Compressor System Capacity tonnes

1-3 4-7 8-11 12-15 16-19 20-23 24-27 28-31 1-3 4-7 8-11 12-15 16-19 20-23 24-27 28-31

Nitrite as ppm NO2 2700 2700

2520 2520

2340 2340

2160 2160

1980 19801800 1800

1620 1620

1440 1440

1260 1260

1080 1080

900 900

720 720

540 540

360 360

Chloride as ppm Cl 100 100

Maximum 50 ppm 80 80

60 60

40 40

20 200 0

pH 8.3-10 8.3-10

Rocor NB Liquid liter liter

Dieselguard NB kg kg

Make-up liter liter

Chilled Water System Capacity tonnes Reheat Water System Capacity tonnes

1-3 4-7 8-11 12-15 16-19 20-23 24-27 28-31 1-3 4-7 8-11 12-15 16-19 20-23 24-27 28-31

Nitrite as ppm NO2 2700 2700

2520 2520

2340 2340

2160 21601980 1980

1800 1800

1620 1620

1440 1440

1260 1260

1080 1080

900 900

720 720

540 540

360 360

Chloride as ppm CL 100 100

Maximum 50ppm 80 80

60 60

40 40

20 20

0 0

pH 8.3-10 8.3-10

Rocor NB Liquid liter liter

Dieselguard NB kg kg

Make-up liter liter

Comments: