6-11Stow organic-cleaning solvents in a flammableliquid storeroom, ready service storeroom, or flammableliquid lockers, according to NSTM, chapter 670, section4. Keep the solvents away from heat, open flames, orspark-producing devices. Stow them away fromoxidizers, such as calcium hypochlorite, sodium nitrate,and hydrogen peroxide.When handling organic-cleaning solvents, wear thefollowing PPE:Neoprene glovesSafety splash gogglesCoveralls (recommended)In addition, if vapors accumulate over 100 parts permillion (ppm), wear an oxygen-breathing apparatus(OBA) and notify the gas-free engineer.DISPOSAL OF HAZARDOUS MATERIAL.—When it becomes necessary to dispose of any hazardousmaterial, it is important to consult with the command’shazardous material control authority. Containers ofunused, contaminated, toxic, corrosive, and so forth,material have different guidelines for disposal.Absorbents used in cleaning, applying, or packingHAZMATS should be treated using the sameprecautions followed for the hazardous material theyabsorbed. The many procedures and directives thatgovern the disposal of hazardous material are constantlychanging and being updated. As mentioned earlier,supervisors are charged with following establishedsafety procedures. NSTM, chapter 670, gives furtherdetails on disposal of hazardous material.REVIEW 2 QUESTIONSQ1.How often should flammable liquids in storagelockers be inspected?Q2.What document should you consult for disposal ofhazardous materials?Q3.When handling chlorinated-cleaning solvents,what personal protective equipment (PPE) shouldyou wear?Q4.When cleaning with chlorinated-cleaning solventinside of an enclosed space, what precautionsmust you observe for ventilation?Q5.Whom should you consult when disposingof hazardous material?Q6.How should you dispose of cleaning rags?DAMAGE CONTROL PETTY OFFICERLearning Objectives: Recall the procedures for makingdamage control closure log entries. Recall the proceduresfor maintaining damage control fittings and equipment.The safety of the ship and its crew is of utmostimportance in carrying out the command’s mission. Thedamage control organization plays a critical part inensuring this safety function. An essential personassigned the responsibilities to oversee the materialcondition of areas of damage control at the division leveland upward throughout the chain of command is theDamage Control Petty Officer (DCPO).DESIGNATIONA petty officer who has completed his or herpersonnel qualifications standards (PQS) can bedesignated as the DCPO in each work center based ontype commanders (TYCOM) instructions. Divisionofficers nominate DCPOs and duty DCPOs forendorsement by the chain of command. The executiveofficer gives the final approval for nomination,replacement, and rotation of all DCPOs. DCPOsnormally serve for a period of 6 months. They check inwith the fire marshal and damage control assistant(DCA) when first assigned to or relieved from this duty.RESPONSIBILITIESTwo specific responsibilities of the DCPOs and dutyDCPOs are making damage control closure log entriesand maintaining damage control fittings and equipment.The following information pertains to the performanceof these duties.
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