Details: sulphur initial and final draft survey of sulphur vessel. cd-wi-survey-01 interim draft survey of sulphur vessel, if required cd-wi-survey-02 hatch survey if required of sulphur vessel (to ascertain balance cargo if any or tween deck cargo if loaded) cd-wi-survey-03 drawing of composite samples of sulphur cd-wi-survey-04 chemical analysis of sulphur (including sieve analysis)cd-wi-survey-05 rock phosphate initial and final draft survey of rock vessel cd-wi-survey-06 interim draft survey, if required of rock vessel.cd-wi-survey-07 hatch survey of rock vessel if required (to ascertain balance cargo if any or tween deck cargo loaded) cd-wi-survey-08 drawing of composite samples of rock phosphate. minimum 10 samples should be drawn from each vessel and make it a composite sample. cd-wi-survey-09 chemical analysis of rock phosphate (including sieve analysis)cd-wi-survey-10 phosphoric acid ullaging of phosphoric acid ship's tanks prior to commencement of discharge and on completion of disc
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