TASK HAZARD ASSESSMENT

For Personal Protective Equipment and Other Safety Requirements

Assessment Date(s):
Department:
Building:		Room:

Task/Assignment Description: Prep of any concentration aqueous acid solution from concentrated nitric, sulfuric, hydrochloric, hydrobromic, acetic, or perchloric acid, in which the concentrated acid is delivered from a container larger than 2.5 L but not larger than 20 L into some other vessel, and the total amount of concentrated acid used does not exceed 1L.

Hazards Identified:

Eye and Face:	splash
Head:	none
Electrical	none
Whole body:	splash to very large area
Respiratory:	yes
Foot:	splash
Hand	splash
Other	partial body splash

PPE Requirements:

Eye and Face:	full face shield
Head:
Electrical
Whole body:	apron or cuffless trousers to feet
Respiratory:	see other requirements
Foot:	full shoes, easy off
Hand	acid resistant gloves
Other	labcoat to knee, button to top

Other requirements:

For respiratory protection and in case of catastrophic failure of original concentrated acid container (or mishap), all delivery of acid into other vessels, and all mixing of acid into solution, must be performed in a properly functioning chemical hood (not bio-hood).
Work must be done in a room containing an eyewash and shower. Path from work station to eyewash and to shower must be completely unobstructed by items on the floor including chairs and trashbaskets.
Acid must be added to water with stirring, and slowly enough that violent heating does not occur.

Certification: I certify that this hazard assessment was conducted in accordance with the provisions of the Purdue University Personal Protective Equipment Policy

Name:		Date:
Signature:

One copy Safety Office, Safety Office will forward copy to REM.

One copy posted (visible) in room given above.