21.2.1 This chapter contains the following:
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.1 minimum safety and pollution criteria for products subject to
chapter 17 of the IBC Code;
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.2 criteria used to assign the minimum carriage requirements for
products that meet the safety or pollution criteria to make them subject to chapter
17 of the IBC Code;
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.3 criteria used for determining special requirements in chapter
15 of the IBC Code to be included in column o of chapter
17 of the IBC Code;
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.4 criteria used for determining special requirements in chapter
16 of the IBC Code to be included in column o of chapter
17 of the IBC Code;
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.5 definitions of properties used within this chapter;
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.6 information on the use of the GESAMP Hazard Ratings; and
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.7 information on the application of the SVC/LC50 ratio
method.
21.2.2 The information included in parentheses following the classification
criteria throughout this chapter refers to the GESAMP Hazard Profile ratings set out in
appendix I of
MARPOL Annex II under the "Abbreviated legend to the revised GESAMP Hazard Evaluation
procedure". The full listing of GESAMP Hazard Profile ratings for evaluated substances are
published annually in the GESAMP Composite List as a PPR Circular. It should be noted that
ratings in parentheses (based on estimation methods applied by GESAMP) are considered as
equivalent to ratings without parentheses for the purpose of assigning carriage
requirements.