Ballast Water Management
1. How many times do you have to exchange the water with the flow trough method to achieve a 98% change?
4
2. Where are vessels allowed to dispose sediments from ballast tanks?
at mid sea and shore facilities
3. Which are two methods for ballast water exchange at sea?
sequential and flow through
4. What is requirement of IMO resolution A.868 (20)?
minimize the transfer of harmful aquatic organisms and pathogens
5. Which of the following are duties of a ballast water management officer?
inform the owner/operator regarding ballast operations when necessary
maintaining Ballast Record Book
6. Check the species that have traveled by ballast water and made change to the environment
North Pacific Seastar
Mitten Crab
Zebra Mussel
7. Which of the following must be recorded in the BW Record Book?
vessels position
8. Which of the following events to be recorded in the Ballast Water Record Book?
position
9. Can coastal or port state implement stricter rules than IMO?
yes
10. Where in the BW procedures for vessel located?
in the Ballast Water Management Plan
11. Can a Coastal or Port State Implement stricter rules than IMO?
any states individually or jointly are given the right to make stricter rules than IMO
12. How many different species are estimated to be carried in ballast tanks around the world every day?
more than 7000
13. Where you can find detailed description of ballast water management principles for your ship
In Ballast Water Management Plan
14. Which treatment techniques can be considered in case of emergency? Click to apply
physical treatment (e.g. heat or UV
chemical treatment (chemical sanitization)
a decision not to treat
15. Is heating of ballast water on approved ballast water treatment technology
no
16. Is heating of ballast water on approved ballast water treatment technology?
Ballast water heated up to 45C and maintained for a long time is effective on large objects such as fish, but no so effective on killing microorganisms.
17. What is the estimated yearly economical impact of the invading species in USA alone?
USD 138 billions.