Indoor Air Quality (IAQ)

Indoor Air Quality (IAQ)Indoor Air Quality (IAQ)

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

Indoor Air Quality (IAQ)Indoor Air Quality (IAQ)

Discuss Characteristics of Indoor Air Discuss Characteristics of Indoor Air QualityQuality– PhysicalPhysical– Chemical Chemical – BiologicalBiological

FactorsFactors– Cause IAQ IssuesCause IAQ Issues– Improve IAQImprove IAQ

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

What is IAQ?What is IAQ?

Office Type EnvironmentOffice Type Environment Ventilation is General Ventilation is General

Dilution TypeDilution Type– Heating, Ventilating, and Air Heating, Ventilating, and Air

Conditioning (HVAC) SystemConditioning (HVAC) System– WindowsWindows

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

Energy EfficiencyEnergy Efficiency Starting in the 1970’s Buildings were Starting in the 1970’s Buildings were

Sealed Up to Reduce Energy CostsSealed Up to Reduce Energy Costs– Air Contaminants TrappedAir Contaminants Trapped– Lack of Outdoor AirLack of Outdoor Air– Sick Building SyndromeSick Building Syndrome

American Society of Heating, American Society of Heating, Refrigeration & Air-Conditioning Refrigeration & Air-Conditioning Engineers (ASHRAE) Standard 62 – Engineers (ASHRAE) Standard 62 – Recommends 15 to 20 Cubic Feet per Recommends 15 to 20 Cubic Feet per Minute (CFM) of Outdoor Air per PersonMinute (CFM) of Outdoor Air per Person

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

Outdoor Make-Up Air for Outdoor Make-Up Air for Major UCOP BuildingsMajor UCOP Buildings

Kaiser Building – Built in the 1950’s Kaiser Building – Built in the 1950’s – 100% Outdoor Make Up Air 100% Outdoor Make Up Air – No Indoor Air is RecirculatedNo Indoor Air is Recirculated

1111 Franklin Street1111 Franklin Street– Minimum of 10% Outside AirMinimum of 10% Outside Air

Depending on the Outdoor Temperature at Depending on the Outdoor Temperature at Times Up to 60% of Building Air is Outdoor Times Up to 60% of Building Air is Outdoor Make-Up AirMake-Up Air

– Each Morning – Ventilation Turned Up Each Morning – Ventilation Turned Up Prior to Arrival of EmployeesPrior to Arrival of Employees

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

Causes of IAQ ProblemsCauses of IAQ Problems Temperature and/or HumidityTemperature and/or Humidity Too Much GlareToo Much Glare Inadequate Fresh Air - Lead to Carbon Inadequate Fresh Air - Lead to Carbon

Dioxide (CODioxide (CO22) Buildup) Buildup– Normal Outdoor CONormal Outdoor CO22 Levels is 350 ppm Levels is 350 ppm– Indoor COIndoor CO22 Levels Can Be 600-800 ppm Levels Can Be 600-800 ppm– > 1000 ppm CO> 1000 ppm CO22 Levels – Tired/Sleepiness Levels – Tired/Sleepiness– Cal/OSHA Permissible Exposure Limit for Cal/OSHA Permissible Exposure Limit for

COCO22 is 5000 ppm is 5000 ppm

CO2

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

Introduction of Chemicals & Introduction of Chemicals & Contaminants into the BuildingContaminants into the Building

Building Remodeling - Adhesives, Building Remodeling - Adhesives, PaintsPaints– Select Low Volatile/Low Toxicity ProductsSelect Low Volatile/Low Toxicity Products– Schedule Work on Weekends/After HoursSchedule Work on Weekends/After Hours– Allow Remodeled Area to Off-Gas Prior to Allow Remodeled Area to Off-Gas Prior to

Re-OccupationRe-Occupation– Temporarily Relocate EmployeesTemporarily Relocate Employees

Old Food - Forgotten Lunches/SnacksOld Food - Forgotten Lunches/Snacks

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

Introduction of Chemicals & Introduction of Chemicals & Contaminants into the BuildingContaminants into the Building

CleanersCleaners– UCOP Uses Green Seal Cleaning SuppliesUCOP Uses Green Seal Cleaning Supplies

Non-ToxicNon-ToxicNot a Skin SensitizerNot a Skin SensitizerDoes Not Contain Substances Which Does Not Contain Substances Which

Contribute to Poor Indoor Air QualityContribute to Poor Indoor Air Quality

– If Using a Cleaner - Be Aware of How If Using a Cleaner - Be Aware of How Your Actions May Impact Your Co-Your Actions May Impact Your Co-WorkersWorkers

Building Air Inlet - Auto ExhaustBuilding Air Inlet - Auto Exhaust– Carbon MonoxideCarbon Monoxide

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

Introduction of Chemicals & Introduction of Chemicals & Contaminants into the BuildingContaminants into the Building

Personal Hygiene Products Personal Hygiene Products – Perfumes, Deodorants, ColognePerfumes, Deodorants, Cologne

Be Aware of How Your Actions Can Impact Be Aware of How Your Actions Can Impact Your Co-WorkersYour Co-Workers

Water Leaks/Water DamageWater Leaks/Water Damage– Mold or Mildew Mold or Mildew

Air Cleaners - Some Use OzoneAir Cleaners - Some Use Ozone– May Affect Persons with Pre-Existing May Affect Persons with Pre-Existing

Respiratory ProblemsRespiratory Problems

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

Introduction of Chemicals & Introduction of Chemicals & Contaminants into the BuildingContaminants into the Building

Printers/Copying MachinesPrinters/Copying Machines– Can Generate Particulates and OzoneCan Generate Particulates and Ozone– Ozone – Eye & Respiratory IrritationOzone – Eye & Respiratory Irritation– Do Not Place in Room with Poor VentilationDo Not Place in Room with Poor Ventilation– Do Not Point Printer Exhaust at IndividualsDo Not Point Printer Exhaust at Individuals– Study on Printers: Study on Printers:

Ozone Levels: <0.001 ppm to 0.016 ppmOzone Levels: <0.001 ppm to 0.016 ppm

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

Introduction of Chemicals & Introduction of Chemicals & Contaminants into the BuildingContaminants into the Building

Animal DanderAnimal Dander– Brought into the Office on ClothingBrought into the Office on Clothing– Some Persons have Allergic ReactionsSome Persons have Allergic Reactions

Third Hand SmokeThird Hand Smoke– Recent Studies – Tobacco By-Products Recent Studies – Tobacco By-Products

Can Cling to Hair, Clothing, & FurnitureCan Cling to Hair, Clothing, & Furniture– Be Sensitive to the Needs of Co-WorkersBe Sensitive to the Needs of Co-Workers

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

Monitoring for IAQ Issues Monitoring for IAQ Issues Q-Trak Indoor Air Quality Q-Trak Indoor Air Quality

MonitorMonitor– Temperature and HumidityTemperature and Humidity– Carbon MonoxideCarbon Monoxide– Carbon DioxideCarbon Dioxide

ppb RAE Detectorppb RAE Detector– Various Chemical Substances Various Chemical Substances

Down to the Parts per Billion Down to the Parts per Billion RangeRange

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

Monitoring for IAQ IssuesMonitoring for IAQ Issues

Chemical HazardsChemical Hazards– Do Not Use Odor as an Indicator of Do Not Use Odor as an Indicator of

HazardHazard– Certain Individuals May Be More Certain Individuals May Be More

Susceptible to Certain ChemicalsSusceptible to Certain Chemicals– All Chemicals Do Not Have a Permissible All Chemicals Do Not Have a Permissible

Exposure LimitExposure Limit

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

In SummaryIn Summary

Certain Individuals May Be More Certain Individuals May Be More Susceptible to Certain ChemicalsSusceptible to Certain Chemicals

Be a Good Neighbor/Co-WorkerBe a Good Neighbor/Co-Worker Don’t Be Afraid to Ask & Do Not Be Don’t Be Afraid to Ask & Do Not Be

Offended If a Co-Worker AsksOffended If a Co-Worker Asks Discuss IAQ Issues With Your Discuss IAQ Issues With Your

Supervisor, Department Safety Supervisor, Department Safety Officer, or UCOP Environment, Health Officer, or UCOP Environment, Health and Safety (EH&S)and Safety (EH&S)

March 2009 UCOP Safety MeetingMarch 2009 UCOP Safety Meeting

IAQ IssuesIAQ Issues If There are IAQ Issues in Your If There are IAQ Issues in Your

Workplace Contact UCOP Workplace Contact UCOP Environment, Health, & Safety Environment, Health, & Safety (EH&S) at (EH&S) at [email protected]@ucop.edu or Call: or Call:– Larry Wong, EH&S Program Manager, at Larry Wong, EH&S Program Manager, at

510-987-9772510-987-9772– Ed Baylosis, EH&S Director, at 510-987-Ed Baylosis, EH&S Director, at 510-987-

01700170