Last January, the MARPOL 73/78 Annex II and MEPC 2/ Circ. 15 Annex 10
tankcleaning regulations that came into force in August 2010 came into full
effect, leaving many ship operators facing a new challenge.
It is now up to vessel owners
andoperators to not only meet theseregulations fully, but also to continue
toimprove shipmanagement efficiency,reduce operational costs and promote safety
atsea.Wilhelmsen Ships Services (WSS) directormarine chemicals, Graham Hunter,
believedthat although these new regulations couldcause headaches for some, they
are entirelynecessary. Hunter said: Tank cleaning is a vital factorin
governing the success of ship operationsand the majority of shipowners and
tradersrecognise the importance of efficient tankcleaning products and adequate
procedures.We know that the basis of successful tankcleaning operations is a
fundamentalknowledge of all aspects and at WSS ourglobal network and service
centres areconfronted with a huge range of situations ona daily basis. So how
can marine chemical providers helpowners and operators to meet
regulatorydemands while remaining efficient? Huntersaid that experience is key:
We have decadesof experience and can provide acomprehensive range of products
designedspecifically to meet regulations through oureight global tank cleaning
centres in Houston,Rotterdam, Singapore, Fujairah, Durban,Busan, Santos and
Algeciras.Hunter went on to explain that last yearsacquisition of Nalfleet
has positioned WSS asa world-leader in the provision ofenvironmentally-friendly
marine chemicals. All chemicals are now being produced at theaddition to a
skilled team of WilhelmsenChemicals scientists based at the R&Dlaboratory
outside Tønsberg. Both teams meeton a regular basis to review the
latesttechnologies.And although WSS is the largest producerof marine chemicals
in the world, innovationis still the prime goal. Its not only aboutsize,
says Hunter. We realise that customershave a choice. We need to keep
innovating tolead the market.WSS guidelines on tank cleaningchemicals:
MARPOL Annex II regulations for the discharge of noxious liquid substances
include restrictions on the types of cleaningadditives allowed to be used in
tank washing operations. WSS offered to market 20 separate IMOapproved tank
cleaning products under the old MEPC/Circ.363. Of these 20 approved
chemicals, five were pure tank cleaning products. The remaindergeneral and
multipurpose cleaners. Changes in IMO legislation MEPC/Circ 380: New rules
superseded MEPC/Circ 380 from 1st August, 2010. Future products must not
contain any perfume or colouring agents. Components (chemicals) with
Pollution Category X shall not exceed 10% of the total weight of the cleaning
additive. If a component (chemical) falls within Pollution Category X, it
shall be readily biodegradable. All chemical tank cleaning suppliers need to
adopt their existing product range to these changes to comply with the new
circular.Products approved and evaluated throughMEPC/Circ.363 ceased to be
valid on 1stAugust, 2010. To maintain a listing beyondthis date, a
re-evaluation of the cleaningadditives concerned, in accordance with therevised
guidelines given in MEPC.1/Circ.590,and regulation 13.5.2.of Annex10 ofMARPOL
73/78 is required. The new circular of Annex10 of MARPOL73/78, (MEPC.2 /
Circ.15, Annex 10) cameinto force on 1st August 2010. WSS has 10 products
approved accordingto this circular. All products previously holding an
IMOapproval can still be used for general cleaningpurposes around the vessels.
Products used for spot cleaning in tankscan be used as previously.WSS chemicals
solution: All WSS tank cleaning chemicals are; Free from nonyl phenol
ethoxylates or other estrogenic compounds. Non-flammables. High
concentrates. Economical in use. Tested and passed paragraph 13.5.2 of Annex
II of MARPOL 73/78. IMO approved to MEPC 2/Circ. 15 annex 10.
========= fm TANKEROperator March 2012 =========
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