Title 8, California Code of Regulations 5154.1 was changed effective 
1/1/08 to require that lab hoods have a "quantitative airflow monitor that 
continuously indicates whether air is flowing into the exhaust system 
during operation". A variety of gauges can be used to accomplish this.

There is no federal requirement that I'm aware of.

Mark Cameron, MS, CIH
Sr. Industrial Hygienist
Health and Safety Program Manager
California Criminalistics Institute
Bureau of Forensic Services
(916) 227-5956

>>> "Hilbrandt, Robert"  7/16/2009 8:03 AM >>>
Could you site the requirement for fume hood monitors.  We are located
in New York State (upstate) and are not aware of such a requirement.

Robert W. Hilbrandt Jr., RMS
Radiochemistry Technical Director / QA Manager
Westchester County Dept. Laboratories & Research
10 Dana Road, Valhalla, NY  10595
Tel: 914-231-1531  Fax: 914-231-4458
rwh2**At_Symbol_Here**westchestergov.com 
Visit us at
http://blog.westchestergov.com/index.php?option=com_content&task=view&i
d 
=492&Itemid=1009


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