STD OPERATING PROCEDURE 7
Generic Health & Safety Risk Assessment Form for identification of Potential Hazards / Potentially Hazardous Procedures
Faculty of Health
Activity for Risk Assessment ____Liquid nitrogen handling___ School __Human Movement Studies___ Date / /
POTENTIAL HAZARDS or
PROCEDURE INVOLVING
POTENTIAL HAZARDS
LIKELIHOOD
Rare, Moderate,
Frequent
CONSEQUENCES
What can happen
Skin contact
Rare
Frozen skin
Spillage
Rare
Ventilation problems
CONTROL MEASURES
To reduce the risk
Elimination, substitution, engineering,
administrative, PPE, altered work practices
1. PPE is available in the form of gloves
and eye ware
2. Signage to explain correct procedure
(see attached form) to follow when
handling liquid nitrogen
3. 3. Wash affected area with cold
water, no rubbing. Contact Health
services ext 3161 and fill in an Injury
Report form
1. Don PPE and try to contain the spill with
paper towels. Keep the area clear of traffic
and ensure that the area is well ventilated.
Given the risks identified, specify the Health & Safety training provided to staff and/or students undertaking this activity:
The liquid nitrogen dewar is well sign posted and only post graduate students or lecturers use the liquid nitrogen after they have had the procedure
explained by the Biochemistry Technician – Connie Wishart______see attached note for procedure
________________________________________________________________________________________________________
Given the risks identified, provide details of any Health and Safety manuals provided to staff and /or students undertaking this activity:
__LIQUID NITROGEN DECANTING PROCEDURE
PROTECTIVE CLOTHING TO BE WORN AT ALL TIMES WHEN WORKING WITH THE LIQUID NITROGEN –
GLOVES AND EYE PROTECTION
1. Put gloves and eye protection on.
2. Wheel the liquid nitrogen cylinder into an accessible position
3. Remove the red covering lid.
4. Using the stainless steel ladle, carefully insert it into the container and spoon small amounts out into
the stainless steel dish mounted in the polystyrene
or
into the stainless steel vacuum flask.
DO NOT FASTEN THE LID!
5. Replace the red covering lid when finished.
FIRST AID
SKIN CONTACT – WASH WITH COLD WATER FOR 10-15 MINUTES, WITHOUT RUBBING.
DO NOT APPLY HEAT OR HOT WATER. APPLY A CLEAN DRY DRESSING AND CONTACT
HEALTH SERVICES EXT 3161
AND
CONNIE WISHART EXT 5865
COMPLETE AN INJURY REPORT FORM
______________________________________________________________________________________________________