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A recent OSHA survey found that nearly 50% of infectious isolation rooms tested were not maintaining negative pressure!
Applicable Regulatory Standards:
Enforcement Policy and Procedures for Occupational Exposure to Tuberculosis, October 8, 1993, OSHA
Guidelines for Preventing the Transmission of Mycobacterium tuberculosis in Health Care Facilities, 1994, Centers for Disease Control, USDHHS
Guidelines for Construction and Equipment of Hospital and Medical Facilities, 1993, USDHHS
IES-RP-CC-001-86, HEPA Filters, January, 1986, Institute of Environmental Sciences
ESP Isolation Room Certification Test Components:
Measurement of air exchange rates
Measurement of temperature
Measurement of static pressure differentials
Aerosol filter challenge of HEPA filters
Magnehelic gauge documentation and calibration
Alarm calibration
Negative pressure smoke pattern test (optional videotape documentation)
Same day written test report
ESP is certified by the International Air Flow
Certifier's Association (IAFCA) by 3 hour procotored examination.