indoor_airquality.ppt

1、Indoor Air Quality (IAQ),March 2009 UCOP Safety Meeting,March 2009 UCOP Safety Meeting,Indoor Air Quality (IAQ),Discuss Characteristics of Indoor Air Quality Physical Chemical Biological Factors Cause IAQ Issues Improve IAQ,March 2009 UCOP Safety Meeting,What is IAQ?,Office Type Environment Ventilat

2、ion is General Dilution Type Heating, Ventilating, and Air Conditioning (HVAC) System Windows,March 2009 UCOP Safety Meeting,Energy Efficiency,Starting in the 1970s Buildings were Sealed Up to Reduce Energy Costs Air Contaminants Trapped Lack of Outdoor Air Sick Building Syndrome American Society of

3、 Heating, Refrigeration & Air-Conditioning Engineers (ASHRAE) Standard 62 Recommends 15 to 20 Cubic Feet per Minute (CFM) of Outdoor Air per Person,March 2009 UCOP Safety Meeting,Outdoor Make-Up Air for Major UCOP Buildings,Kaiser Building Built in the 1950s 100% Outdoor Make Up Air No Indoor Air is

4、 Recirculated 1111 Franklin Street Minimum of 10% Outside Air Depending on the Outdoor Temperature at Times Up to 60% of Building Air is Outdoor Make-Up Air Each Morning Ventilation Turned Up Prior to Arrival of Employees,March 2009 UCOP Safety Meeting,Causes of IAQ Problems,Temperature and/or Humid

5、ity Too Much Glare Inadequate Fresh Air - Lead to Carbon Dioxide (CO2) Buildup Normal Outdoor CO2 Levels is 350 ppm Indoor CO2 Levels Can Be 600-800 ppm 1000 ppm CO2 Levels Tired/Sleepiness Cal/OSHA Permissible Exposure Limit for CO2 is 5000 ppm,CO2,March 2009 UCOP Safety Meeting,Introduction of Che

6、micals & Contaminants into the Building,Building Remodeling - Adhesives, Paints Select Low Volatile/Low Toxicity Products Schedule Work on Weekends/After Hours Allow Remodeled Area to Off-Gas Prior to Re-Occupation Temporarily Relocate Employees Old Food - Forgotten Lunches/Snacks,March 2009 UCOP Sa

7、fety Meeting,Introduction of Chemicals & Contaminants into the Building,Cleaners UCOP Uses Green Seal Cleaning Supplies Non-Toxic Not a Skin Sensitizer Does Not Contain Substances Which Contribute to Poor Indoor Air Quality If Using a Cleaner - Be Aware of How Your Actions May Impact Your Co-Workers

8、 Building Air Inlet - Auto Exhaust Carbon Monoxide,March 2009 UCOP Safety Meeting,Introduction of Chemicals & Contaminants into the Building,Personal Hygiene Products Perfumes, Deodorants, Cologne Be Aware of How Your Actions Can Impact Your Co-Workers Water Leaks/Water Damage Mold or Mildew Air Cle

9、aners - Some Use Ozone May Affect Persons with Pre-Existing Respiratory Problems,March 2009 UCOP Safety Meeting,Introduction of Chemicals & Contaminants into the Building,Printers/Copying Machines Can Generate Particulates and Ozone Ozone Eye & Respiratory Irritation Do Not Place in Room with Poor V

10、entilation Do Not Point Printer Exhaust at Individuals Study on Printers: Ozone Levels: 0.001 ppm to 0.016 ppm,March 2009 UCOP Safety Meeting,Introduction of Chemicals & Contaminants into the Building,Animal Dander Brought into the Office on Clothing Some Persons have Allergic Reactions Third Hand S

11、moke Recent Studies Tobacco By-Products Can Cling to Hair, Clothing, & Furniture Be Sensitive to the Needs of Co-Workers,March 2009 UCOP Safety Meeting,Monitoring for IAQ Issues,Q-Trak Indoor Air Quality Monitor Temperature and Humidity Carbon Monoxide Carbon Dioxide ppb RAE Detector Various Chemica

12、l Substances Down to the Parts per Billion Range,March 2009 UCOP Safety Meeting,Monitoring for IAQ Issues,Chemical Hazards Do Not Use Odor as an Indicator of Hazard Certain Individuals May Be More Susceptible to Certain Chemicals All Chemicals Do Not Have a Permissible Exposure Limit,March 2009 UCOP

13、 Safety Meeting,In Summary,Certain Individuals May Be More Susceptible to Certain Chemicals Be a Good Neighbor/Co-Worker Dont Be Afraid to Ask & Do Not Be Offended If a Co-Worker Asks Discuss IAQ Issues With Your Supervisor, Department Safety Officer, or UCOP Environment, Health and Safety (EH&S),March 2009 UCOP Safety Meeting,IAQ Issues,If