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AN INTRODUCTION TO CHEMICAL HAZARD COMMUNICATION
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CHEMICALS IN THE WORKPLACE u ESTIMATED 575,000 EXISTING CHEMICAL PRODUCTS u HUNDREDS INTRODUCED EACH YEAR
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CHEMICALS IN THE WORKPLACE INFORMATION IS THE BEST DEFENSE AGAINST HAZARDOUS CHEMICAL EXPOSURES AND POTENTIALLY SERIOUS HEALTH EFFECTS
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OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION’S HAZARD COMMUNICATION STANDARD “HAZCOM” 29 CFR 1910.1200
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HAZCOM PROGRAM ELEMENTS 1. SCOPE AND APPLICATION 2. DEFINITIONS 3. HAZARD DETERMINATION 4. WRITTEN HAZARD COMMUNICATION PROGRAM 5. LABELS 6. MATERIAL SAFETY DATA SHEETS (MSDS) 7. EMPLOYEE INFORMATION AND TRAINING 8. TRADE SECRETS 9. APPENDICES
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HAZCOM PROGRAM ELEMENTS 1. SCOPE AND APPLICATION a. Who does the standard apply to? b. Relation to the Laboratory standard c. Labeling exemptions d. Exemptions from the standard e. State issues
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HAZCOM PROGRAM ELEMENTS 1. SCOPE AND APPLICATION d. Exemptions from the standard Hazardous waste Tobacco products Wood products Articles Food, drugs, cosmetics Consumer products Pesticides Sealed containers
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HAZCOM PROGRAM ELEMENTS 1. DEFINITIONS Article Chemical Combustible liquid/compressed gas/flammable liquid/flashpoint Health hazard Physical hazard
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HAZCOM PROGRAM ELEMENTS 1. DEFINITIONS Article A manufactured item 1. Formed to a specific shape or design 2. Which has end use functions dependent in whole/part upon its shape or design 3. Does not release - result in exposure
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HAZCOM PROGRAM ELEMENTS 3. HAZARD DETERMINATION a. Established procedure b. Appendix A and B c. Documentation
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HAZCOM PROGRAM ELEMENTS 4. WRITTEN HAZARD COMMUNICATION PROGRAM a. Employer to develop b. Elements Written Hazard determination Labeling Training Inventory MSDS’s Non-routine tasks and contractors
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HAZCOM PROGRAM ELEMENTS 5. LABELS a. Manufacturer labeling requirement b. Employer labeling requirement c. Labeling exemptions
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HAZCOM PROGRAM ELEMENTS 6. MATERIAL SAFETY DATA SHEETS (MSDS’S) a. Manufacturer requirements MSDS development Required information Blanks Mixtures with similar hazards Changes in information Provide to employers Distributor responsibility
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HAZCOM PROGRAM ELEMENTS 6. MATERIAL SAFETY DATA SHEETS (continued) a. Employer requirements Accessibility Retention Traveling Employees Missing/inadequate MSDS’s
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HAZCOM PROGRAM ELEMENTS 7. EMPLOYEE INFORMATION AND TRAINING a. When providied? b. Specific versus general training c. Minimum topics
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HAZCOM PROGRAM ELEMENTS 8. TRADE SECRETS a. What is a trade secret? b. Who may request information? c. Denial of requests
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HAZCOM PROGRAM ELEMENTS 9. APPENDICES a. Health Hazard Definitions b. Hazard Determination c. Information Sources d. Definition of Trade Secret
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AN INTRODUCTION TO THE PRINCIPLES OF OCCUPATIONAL HEALTH
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HISTORICAL RECOGNITION OF OCCUPATIONAL HEALTH HAZARDS
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PERSONAL OBSERVATIONS GEORGIUS AGRICOLA OBSERVED IN GERMAN MINING OPERATIONS OF 1556 “... THE AIR..WEIGHS HEAVILY ON THE MINERS, CAUSING THEM TO BREATHE WITH DIFFICULTY, AND SOMETIMES THEY ARE EVEN SUFFOCATED...”
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PERSONAL OBSERVATIONS BERNARDO RAMAZZINI OBSERVATIONS IN 1713 - PAINTERS, “... SEIZED FIRST WITH PALSY..SPASMS PAIN IN THE STOMACH.. (HE) WAS IN THE HABIT OF SQUEEZING THE COLOR FROM HIS BRUSH WITH HIS FINGERS.. AND.. SUCK(ING) IT.” - POTTERS, “... PALSIED HANDS, ‘CADAVEROUS’ FACE WITH THE COLOR OF LEAD... CARRIES NUMBNESS INTO THEIR BLOOD... AND CRUCIFIES THEIR HANDS..”
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PERSONAL OBSERVATIONS ALICE HAMILTON ILLINOIS DISEASE COMMISSION 1910 PROBLEMS OF ENAMEL PAINT OVER METAL BATHTUBS AND THE IMPORTANCE OF BREATHING LEAD-LADDEN AIR “... (WORKERS)... NO IDEA THAT THE HARMLESS LOOKING STUFF WAS POISONOUS...”
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PERSONAL OBSERVATIONS ONCE WE RECOGNIZE THE PROBLEM, HOW BIG OF A PROBLEM IS IT, AND HOW DO WE EVALUATE IT ??
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EVALUATING OCCUPATIONAL HEALTH RISKS AMOUNT AND TIME DOSE MAKES THE POISON - TABLE SALT EXAMPLE ADULTAMOUNTTIMEEFFECT SMALLLONGNONE LARGESHORTDEATH
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PERSONAL OBSERVATIONS THE FINAL QUESTION: WE RECOGNIZE IT AS A PROBLEM, WE KNOW THAT IT IS A SERIOUS PROBLEM, WHAT DO WE DO TO CONTROL THE PROBLEM???
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THE HISTORICAL RESPONSE TO WORKPLACE HAZARDS u ENGLISH FACTORY ACTS 1833 PROVIDE COMPENSATION FOR ACCIDENTS u WORKER COMPENSATION LAWS IN U.S. START IN 1911 u U.S. PUBLIC HEALTH SERVICE INVESTIGATIONS, 1900’S u FEDERAL EMPLOYEE HEALTH SERVICES, 1933 u MINING SAFETY ACT OF 1956 u COAL MINE SAFETY AND HEALTH ACT OF 1969 u OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION 1970
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THE PRINCIPLES OF OCCUPATIONAL HEALTH ARE BASED UPON ANTICIPATING, RECOGNIZING, EVALUATING, CONTROLLING WORKPLACE HAZARDS
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CATEGORIES OF WORKPLACE HAZARDS PHYSICAL ERGONOMIC BIOLOGICAL CHEMICAL
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THE NATURE AND STATES OF CHEMICAL HAZARDS TYPE OF MATERIALUNITS OF MEASURE DustsMillions of Particles per cubic foot Mineral - Sand Organic - grainsMass per unit of air (Milligram/cubic meter of air - mg/m 3 )
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THE NATURE AND STATES OF CHEMICAL HAZARDS TYPE OF MATERIALUNITS OF MEASURE MistsMass per unit of air Acid MistMilligram/cubic meter of air - mg/m 3
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THE NATURE AND STATES OF CHEMICAL HAZARDS TYPE OF MATERIALUNITS OF MEASURE FumesMass per unit of air WeldingMilligram/cubic meter of air - mg/m 3
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THE NATURE AND STATES OF CHEMICAL HAZARDS TYPE OF MATERIALUNITS OF MEASURE FibersMass per unit of air Cotton DustMilligram/cubic meter of air - mg/m 3 or AsbestosFibers per unit of air fibers/cubic centimeter of air - f/cc
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THE NATURE AND STATES OF CHEMICAL HAZARDS TYPE OF MATERIALUNITS OF MEASURE GasesParts per million parts of air - ppm Carbon Monoxideppm
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THE NATURE AND STATES OF CHEMICAL HAZARDS TYPE OF MATERIALUNITS OF MEASURE VaporsParts per million parts of air - ppm Solvent or mass per unit of air (milligrams/cubic meter of air - mg/m 3 )
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CHEMICAL ACCESS ROUTES TO THE BODY u MOUTH/NOSE - BREATHE IT IN - RESPIRATORY TRACT u SKIN - TOUCH THE SKIN - ABSORPTION u MOUTH - EAT OR DRINK - GASTROINTESTINAL TRACT
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EVALUATING THE RISK OF CHEMICAL EXPOSURES u THRESHOLD LIMIT VALUES (TLV’s) u PERMISSIBLE EXPOSURE LIMITS (PEL’s)
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EVALUATING THE RISK OF CHEMICAL EXPOSURES u THRESHOLD LIMIT VALUES (TLV’s) OF THE AMERICAN CONFERENCE OF GOVERNMENTAL INDUSTRIAL HYGIENISTS A NON-MANDATORY PROFESSIONAL GUIDELINE FOR CHEMICAL EXPOSURES
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EVALUATING THE RISK OF CHEMICAL EXPOSURES THRESHOLD LIMIT VALUES (TLV’s) CONCEPT AIRBORNE CONCENTRATION LIMITS OF SUBSTANCES UNDER WHICH NEARLY ALL WORKERS MAY BE REPEATLY EXPOSED WITHOUT ADVERSE EFFECT
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CONTROLLING THE RISK OF CHEMICAL EXPOSURES u PERMISSIBLE EXPOSURE LIMITS OF THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION SUBPART Z, 1910.1000 THE LAW
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CONTROLLING THE RISK OF CHEMICAL EXPOSURES u PERMISSIBLE EXPOSURE LIMITS - ELEMENTS & EXAMPLES TIME WEIGHTED AVERAGE LIMITS - TWA NORMAL 8 HOUR DAY SHORT TERM EXPOSURE LIMIT - STEL SHORT PERIOD OF TIME WITHOUT SUFFERING IRRITATION, CHRONIC/IRREVERSIBLE DAMAGE
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CONTROLLING THE RISK OF CHEMICAL EXPOSURES u PERMISSIBLE EXPOSURE LIMITS - ELEMENTS & EXAMPLES CEILING LIMITS A LIMIT THAT SHOULD NOT BE EXCEEDED SKIN NOTATION POTENTIAL EXPOSURE VIA SKIN ROUTE
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CONTROLLING THE SPECIAL RISK OF SELECT CHEMICAL EXPOSURES u HEALTH STANDARDS AND PERMISSIBLE EXPOSURE LIMITS OF THE OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION FOR SELECT CHEMICALS SUBPART Z, 1910.1001-1450
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CONTROLLING THE SPECIAL RISK OF SELECT CHEMICAL EXPOSURES SUBPART Z, 1910.1001-1450 CHEMICAL MATERIALWORKPLACE EXPOSURES ARSENICBLOODBORNE PATHOGEN ASBESTOSCHEMICAL HYGIENE FOR CADMIUMLABORATORIES COTTON DUSTHAZARD COMMUNICATION FORMALDEHYDE LEAD BIS CHLOROMETHYL ETHER
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CONTROLLING THE SPECIAL RISK OF ASBESTOS - SUBPART Z, 1910.1001 u EXPOSURE ASSESSMENT PEL 0.1 FIBERS/cc u MONITORING INITIAL PERIODIC u REGULATED AREA AUTHORIZED PERSONNEL NO SMOKING, EATING, DRINKING, ETC. WARNING SIGNS, LABELS
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CONTROLLING THE SPECIAL RISK OF ASBESTOS - SUBPART Z, 1910.1001 u WORK PRACTICES WET METHODS u HOUSEKEEPING HEPA VACUUMING, NO COMPRESSED AIR PERIODIC u METHOD OF COMPLIANCE ENGINEERING AND WORK PRACTICES RESPIRATORS WRITTEN PROGRAM
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CONTROLLING THE SPECIAL RISK OF ASBESTOS - SUBPART Z, 1910.1001 u RESPIRATORY PROTECTION u PROTECTIVE CLOTHING u HYGIENE FACILITIES AND PRACTICES u INFORMATION AND TRAINING u MEDICAL SURVEILLANCE u RECORDKEEPING
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