Page 34 - Feed Lab
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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