DRAFT COPY Health Hazards in Construction Presenter: Scott Rohlf Presented to the North Carolina Association of Higher Education Facilities Officers 2015 Presented to the North Carolina Association of Higher Education Facilities Officers 2015 (O) (919) , (M) (919) ,
DRAFT COPY Learning Objectives At the end of this program participants will: –Have a better understanding of the types of health hazards associated with the construction industry. –Have a better understanding of how hazards can affect the human body. –Be able to identify potential sources of some common hazards. –Have a better understanding of how to evaluate and ultimately reduce hazards in the construction industry.
DRAFT COPY Health Hazards Types –Chemical –Physical –Biological Recognition Evaluation Controls
DRAFT COPY Chemical Hazards 4 LIQUID/MISTLIQUID/VAPOR FIBERS DUSTGASES FUME
DRAFT COPY Routes of Entry Inhalation Absorption/ Contact Ingestion
DRAFT COPY Health Hazards Acute health effects Chronic health effects Toxic Highly toxic Irritant Corrosive Sensitizer Carcinogen Target organ effects
DRAFT COPY Dose and Effect INDIVIDUAL SENSITIVITY TOXICITY EXPOSURE TIME BREATHING RATE CONCENTRATION
DRAFT COPY Occupational Exposure Limits Permissible Exposure Limits (PEL) Ceiling Limits (CL) Action Limit (AL) Threshold Limit Values (TLV ® ) Short Term Exposure Limits (STEL)
DRAFT COPY Chemical Hazards Adhesives Asbestos Asphalt Carbon monoxide Cement Dust –Respirable –Total Epoxy resins Glues/adhesives Isocyanates Metals fumes & dusts –Lead –Hexavalent chromium Paints Silica Solvents Synthetic mineral fibers Welding fumes & dusts
DRAFT COPY Asbestos Uses –Strength/Bonding Properties –Fire/Heat Resistance Exposure –Inhalation Asbestosis Lung Cancer Mesothelioma –Ingestion Stomach Cancer Colon Cancer Heavily Regulated –AHERA –NESHAP –OSHA
DRAFT COPY Carbon Monoxide Engines No Warning Signs Symptoms –Headache –Nausea –Confusion –Suffocation
DRAFT COPY Metals Lead (Pb) –Particulates – Demo –Fumes – Hot work Exposures –Inhalation –Ingestion Regulating Agencies –OSHA –HUD Hexavalent Chromium (Cr + 6 ) –Fumes – Hot work Exposures –Inhalation –Ingestion –Skin Contact Regulating Agencies –OSHA
DRAFT COPY Silica Inhalation Silicosis –Fibrosis and scarring Chronic Accelerated Acute –Symptoms Lung cancer Exposure Limit –OSHA – calc. % silica –ACGIH - constant
DRAFT COPY Welding Fumes and other particulates Organic by-products Physical –Noise –Heat –Radiation
DRAFT COPY Physical Hazards ergonomics
DRAFT COPY Ergonomics
DRAFT COPY Radiation
DRAFT COPY Noise Types –Impact –Intermittent PEL/Action Level Hearing Conservation –Notification –Monitoring –Training –Audiometric testing –PPE
DRAFT COPY Weather Temperatures –Cold - Hypothermia –Heat Heat Stress Heat Exhaustion Heat Stroke Sun and Wind Burns Storms
DRAFT COPY
Microorganisms Viruses –Human Immunodeficiency Virus (HIV) –Hantavirus –Avian Influenza A (H5N1) Virus (Bird Flu) Bacteria –Legionella –Escherichia Coli (E. coli) Fungi –Penicillium –Histoplasma HIV Hantavirus Legionella E. coli Penicillium Histoplasma Bird flu
DRAFT COPY Viruses West Nile Virus Hantavirus
DRAFT COPY Mold Aspergillus Stachybotrys Cladosporium Histoplasma
DRAFT COPY Evaluation
DRAFT COPY Reducing Hazards Elimination or substitution Engineering controls Warning Training and administrative controls Personal protective equipment EFFECTIVENESS
DRAFT COPY Thank You For Your Time! Questions and Discussion