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Reagents and Chemicals                        Suguna Management System      Ver 1.0 / SOP / FQL / P1 - 04  Page  6 of 6


              and irritating gases.                             FUse the emergency exhaust ventilation during the
                                                                   clean  up  to  clear  away  accumulated  vapours.
           FSulphuric  acid  -  Corrosive,  dangerous  fumes  if   Make sure fume hoods are fully open.
              there is fire. May ignite on contact with combustible
              materials; corrodes metal. Isolate from combustible   FAfter removal of the spilled liquid, remove all traces
              materials.  Always add acid to water.                of the chemical from the spill area. For acid or base
                                                                   spills, neutralize the pH of the affected area. Mop
           FPerchloric acid - Reacts violently with organics;
                                                                   the area with a vinegar solution (for bases) or a
              safe use requires special fume hood with water       baking soda solution (for acids). Check the pH of
              wash  down  system;  must  be  stored  to  prohibit   the  area  with  litmus  paper  (if  available)  after
              contact with organic materials (e.g. wood).
                                                                   mopping; the pH of the area should be neutral (pH
                                                                   5-9).
           CLEAN UP SPILLS
                                                                   Caution: If the spill involved a solution containing
           General Guidelines
                                                                   heavy metals (cadmium, arsenic, selenium, lead,
           FUnusual clean up procedures will likely need the       and mercury), the wash water must be captured,
              presence of the trained spill response team.         and disposed of appropriately.

           FIn any event, the USE OF PROPER PERSONAL            FFor  an  organic/flammable  solvent  spill,  rinse  the
              PROTECTION  AND  CLEAN  UP  EQUIPMENT  is            area  with  soapy  water,  and  soak  up  with  spill
              required for cleaning any spill in a safe, efficient   pillows. Depending on the chemical, access to the
              manner.                                              spill site may need to be restricted while any residue
                                                                   evaporates.
           Dry/crystalline/powdered solid chemical
                                                                FDispose of the used spill pillows, and all disposable
           FUsing  a  plastic  broom  and  dustpan,  scoop  as
              much of the spilled chemical as possible.            items used to clean up the spill, into a spill bag. Tie it
                                                                   off, and attach a waste disposal tag.
           FBe careful to use the brush as a stop to help in
              using the pan to scoop the chemical up, and not as   Mycotoxins
              a sweep to push the chemical onto the pan.        FAll  of  the  mycotoxin  samples  and  standards
                                                                   handled in the lab are highly carcinogenic, targeting
           FThe latter generates dust in the cleaning process. If
              necessary, use a fine mist of water to suppress      the liver, brain, and central nervous system. All are
              dustiness, but only if it is safe to do so.          inhalation and ingestion hazards.
                                                                FGloves  must  be  worn  whenever  handling
           FDispose of the spilled chemical, and all disposable
              items used to clean up the spill, into a spill bag. Tie it   mycotoxin samples.
              off, and attach a waste disposal tag.             FAny  spill  involving  mycotoxin  requires  special
                                                                   cleaning  steps  and  acute  attention  to  personal
                                                                   safety.
           Liquid chemical (including Organics/Flammables,
           Acids, and Bases):
                                                                FThe  spill  site  must  be  decontaminated  with  a
           FAfter  containment  (described  previously),  begin    sodium hypochlorite (5%) or bleach (10%) solution
              placing spill pillows along the inside of the dike,
              working toward the centre of the spill area. Replace   for 30 minutes then cleaned again with acetone.
              soaked  pillows  with  fresh  ones  as  needed.  DO   FPress  the  Emergency  Ventilation  button  and
              NOT try to neutralize the spilled chemical (or spill   evacuate the room until all fumes have dissipated.
              pillows) when working with an acid/base spill. This
              can potentially cause greater problems (by poison
              gas  production  or  unnecessary  heat  of  reaction
              generation).




          Prepared by :                                                             Approved by :
                                                             24                                    Director - Technical
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