Caustic Soda COSHH Risk Assessment

 

SUBSTANCE INFORMATION
Substance/material: HEAVY DUTY CARBON REMOVER- WHITE

SEMI-TRANSPARENT CRYSTALLINE

Trade name: CAUSTIC SODA

What is the substance used for?

TO REMOVE GREASE AND CARBON DEPOSITS FROM HOT COOKING EQUIPMENT.


What are the hazardous ingredients/chemicals in the substance?

CONTAINS SODIUM HYDROXIDE SOLID>98%.


Do any of the chemicals have a:

Work Exposure Limit? 2mg/m³


Is the substance: (Check for an orange ‘CHIP’ square on the product data sheet or packaging.)

 Extremely flammable?  Oxidising?  Very toxic? √ Sensitising?
 Highly flammable?  Harmful? √ Corrosive? √ Other? (Specify below.)
 Flammable?  Toxic? √ Irritant?

Is the substance hazardous to health when:

√ In contact with skin? √ Breathed in?  Other (Specify below)
√ In contact with eyes? √ Swallowed?

USE OF SUBSTANCE

How should the substance be used?

SHOULD BE DILUTED AS NECESSARY. DILUTION RATIO OF 1-2 PART(S) (1-2 Kilograms) CAUSTIC TO 350 PARTS HOT WATER (350Liters/77Gallons)


How much is used every week?

APPROXIMATELY 5-10 KILOGRAMS (Undiluted) PER OPERATIVE


Who is exposed to the substance?

KITCHEN DEEP CLEANING AND VENTILATION CLEANING OPERATIVES


Does the substance present additional risks to certain groups or individuals?

MUST BE USED BY TRAINED INDIVIDUALS ONLY, MUST BE KEPT AWAY FROM ALL INDIVIDUALS UNAWARE OF THE HAZARDS.


CONTROL MEASURES
Can a less hazardous substance be used to do the same job? (If you don’t know, please contact your supplier for further information.) Yes  No √

What controls are required for this substance, other than Personal Protective Equipment (PPE)?

(E.g. well ventilated areas, not in spray/mist form, mechanical ventilation, authorised persons only.)


Is any Personal Protective Equipment (PPE) required when using the substance?

  √ Eye protection? (SAFETY GOGGLES)   √ Gloves? (GAUNTLET RUBBER GLOVES)
  √ Overalls/clothing? ((PROTECTIVE OVERALLS, FULL LENGTH RUBBER APRON AND SAFETY BOOTS)
  √ Face mask? (MIST/FUME RATED)

How should the substance be stored? (E.g. locked cupboard, away from other substances, etc.)

STORE IN A COOL, DRY, WELL VENTILATED AREA, AWAY FROM INCOMPATIBLE CHEMICAL OR MATERIALS. KEEP CONTAINERS CLOSED TO PREVENT INCREASE OF MOISTURE.


Have persons using this substance been provided with information or training on its use?   Yes √

(As a minimum ensure a copy of this assessment is in a known and readily accessible location.) No 


OTHER PRECAUTIONS AND EMERGENCY PROCEDURES

Spillages: How should an accidental release/spillage of this substance be dealt with?

LARGE SPILLS: ABSORN IN VERMICULITE, DRY SAND AND DISPOSED OF CAREFULLY.WASH SMALL SPILLS TO DRAIN.

TEAM MUST WEAR ALL APRIOPRIATE PPE LISTED UNDER THE CONTROL MEASURES SECTION OF THIS ASSESSMENT WHEN DEALING WITH ANY SPILLAGES.


First aid: What actions should be taken if the substance is:

a) Swallowed?

DO NOT INDUCE VOMITING. WASH OUT MOUTH WITH WATER AND GIVE PLENTY OF WATER AND MILK TO DRINK. FOLLOWED BY 1% ACETIC AID (DILUTE VINEGAR) OR FRUIT JUICE. OBTAIN MEDICAL ATTENTION

b) In contact with eyes?

DUST CAUSES SEVERE IRRITATION TO EYES, CORROSIVE TO EYES AND MAY CAUSE CORNEAL DAMAGE. WASH WELL WITH FRESH WATER FOR 10 MINUTES AND SEEK MEDICAL ADVICE IF DISCOMFORT PERSISTS.

c) In contact with skin?

CORROSIVE TO THE SKIN CAUSING ULCERATION AND POSSIBLE DERMATITIS. INGESTION MAY CAUSE HAEMATEMISIS, OESOPHAGEAL AND GASTRIC PERFORATION. WASH IMMEDIATELY WITH CLEAR WATER.

d) Inhaled?

HIGH AIRBORNE CONCENTRATIONS MAY CAUSE COUGHING, CHOKING AND RESPIRATORY DIFFICULTIES. CHRONIC EFFECTS – HIGH EXPOSURE TO ASPIRED MISTS OR VAPOURS MAY LEAD TO BRONCHITIS, PNEUMONITIS AND OBSTRUCTIVE PULMONARY OEDEMA.


Fire precautions: What actions should be taken in the event of fires involving this substance?

NON-FLAMMABLE BUT MAY GENERATE TOXIC AND EXPLOSIVE FUMES IN A FIRE. THEREFORE FIRE-FIGHTERS SHOULD WEAR SELF CONTAINED BREATHING APPARATUS AND FULL BODY PROTECTIVE CLOTHING.


Chemical reactions: Is there any other substance that this substance must not come into contact with?

REACTS VIOLENTLY WITH ACIDS. CONTACT WITH AMMONIUM GAS LIBERATES GAS. ALUMINIUM, BRASS, TIN AND ZINC ARE READILY ATTACKED IF MOISTURE PRESENT. REACTS WITH ALOCARBONS, NITROETHANE, NITROPROPANE AND ACID ANHYDRIDE. ABSORBS CARBON DIOXIDE FROM THE AIR. REACTIONS WITH THE PRODUCT MAY BE VIOLENT AND EXPLOSIVE


Disposal: How should the substance be disposed of (or not disposed of)?

EITHER VIA AN AUTHORISED WASTE DISPOSAL CONTRACTOR IN ACCORDANCE WITH LOCAL AND NATIONAL REGULATIONS OR TRANSFER HAZARDOUS WASTE TO CONTAINERS OF WATER AND DILUTE UNTIL NEUTRAL. WASH THE DRAIN WITH LARGE QUANTITIES OF WATER.


Health surveillance: Do staff using the substance require any health surveillance?

REGULAR GENERAL SURVEILLANCE IS REQUIRED


ASSESSMENT OF RISK

Are all the controls detailed above currently in place? Yes √ No 


If these controls are not in place, or additional controls are required, state action to be taken.

Please note - COSHH substances must NOT be used if adequate control measures are not in place.


Remedial actions required Date for completion

NONE

 

Are hazards to health adequately controlled with all control measures in place?Yes √ No 

Assessor(s) name: JOSEPH PHILLIPS Assessor(s) signature: Date: JANUARY 2012
Remedial actions complete: N/A Line Managers signature: To be reviewed on: JANUARY 2013

A copy of the product safety data sheet must be attached to this assessment.

Bright Hygiene Management (London) Ltd, Omega House, 7 Sarbir Ind park, Harlow, CM20 2EU