hazardous chemical rtk/hcs training science education consultants 2008
TRANSCRIPT
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HAZARDOUS CHEMICALRTK/HCS TRAINING
Science Education Consultants
2008
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REQUIREMENTS OF RTKPost RTK poster
Distribute RTK brochure to every employee
Maintain Central File
RTK Survey
MSDS Sheets
HSFS Sheet
Hazardous Substance List
Complete survey/inventory every 5 years
Complete updates to inventory every year
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REQUIREMENTS OF HCSIdentify responsible staff
Develop and implement a written program
Identify hazardous chemicals
Maintain an updated list of hazard chemical
Obtain MSDS & HSFS
All containers labeled
Train employees prior to them starting work
with hazard substances
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Re-train employees every 2 years
Train employees whenever a new chemical
is introduced to their work area
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EXPOSURE SERIOUSNESS
• Chemical composition
• The amount and concentration (dose)
• Length of exposure
• Route of exposure
• Synergism
• Sensitivity of the individual
• Work conditions
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ROUTES OF EXPOSURE
• LUNGS
• SKIN
• INGESTION
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RECOGNIZING HAZARDS
• Use of senses
• Work process
• Forms of substance
• Use of labels
• PEOSH 300 Log
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HEALTH EFFECTS
• Conditions that result in disease and illness
ACUTE CHRONIC
Immediate Latency period
Often reversible Generally not
Can identify cause Difficult to identify
High dose-short time Small dose-long time
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EXAMPLES OF SYMPTOMS
ACUTE CHRONIC
Dermatitis Emphysema
Dry skin Pulmonary fibrosis
Eye irritation Neurological degeneration
Dizziness Blindness
Nausea Paralysis
Itching Cancer
Shortness of breath
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HAZARD CLASSES
HEALTH HAZARD PHYSICAL HAZARD• corrosives • flammables
• irritants • reactives
• poisons • oxidizers
• carcinogens • explosives
• reproductive hazard
• sensitizers
• asphyxiants
• radioactive
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HIERARCHY OF HAZARDOUSSUBSTANCE CONTROL MEASURES
1. SUBSTITUTION
2. CHANGE THE PROCESS
3. ISOLATION
4. ENCLOSURE
5. GENERAL VENTILATION
6. LOCAL EXHAUST VENTILATION
7. ADMINISTRATION MEASURES
8. PERSONAL PROTECTIVE EQUIPMENT
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LABEL REQUIREMENTS
Top 5 ingredients
Hazardous ingredients > 1%
Special hazards > 0.1%
Name on Hazardous Substance List
CAS number for each
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EXPOSURE LIMITS
• PEL – Permissible Exposure Limits
Specifies the maximum amount or
concentration of a chemical to
which a worker may be exposed.
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Generally defined -
• Ceiling Limit (C): the concentration that must not be exceeded at any part of the workday
• Short-Term Exposure Limit (STEL): the maximum concentration to which workers may be exposed for a short period of time (15 minutes)
• Time-Weighted Average (TWA): the average concentration to which workers may be exposed for a normal, 8-hour work day
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POSSIBLE PROBLEMS
• Ordering
• Warehousing
• Storage
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ORDERING
• How often is the chemical used?• How is the chemical hazardous?• What is its educational value?• What is the cost of this chemical?• Can a less hazardous chemical be substituted?• Have I used the chemical?• Can I use the chemical safely?
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COST OF CHEMICAL
TOTAL COST
Quantity + Storage + Disposal
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IMPROPER STORAGE
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Improper storage
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Improper Storage
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Improper Storage
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Improper Storage
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Improper Storage
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Improper Storage
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INCOMPATABILITY
• Acetic Acid + Acetaldehyde polymerizes with high heat release• Acetic Anhydride + Acetaldehyde violent explosive reaction• Calcium Chlorate + Cupric Disulfide explodes on contact
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Organic Compatible Family Codes
• 01 – Acids, Amino Acids, Anhydrides, Peracids• 02 – Alcohols, Glycols, Sugars, Amines, Amides
Imines, Imides• 03 – Hydrocarbons, Esters, Aldehydes, Oils• 04 – Ethers, Ketones, Ketenes, Halogenated
Hydrocarbons, Ethylene Oxide• 05 – Epoxy compounds, Isocyanates• 06 – Peroxides, Hydroperoxides, Azides• 07 – Sulfides, Polysulfides, Sulfoxides, Nitrites
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• 08 – Phenols, Cresols
• 09 – Dyes, Stains, Indicators
• OM – Miscellaneous
Flynn Scientific
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Inorganic Compatible Family Codes
• I1 – Metals, Hydrides• I2 – Acetates, Halides, Iodides, Sulfates, Sulfites, Thiosulfates, Phosphates, Halogens• I3 – Amides, Nitrates (except Ammonium Nitrate) Nitrites, Azides• I4 – Hydroxides, Oxides, Silicates, Carbonates, Carbon• I5 – Sulfides, Selenides, Phosophides, Carbides, Nitrides
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• I6 – Chlorates, Bromates, Iodates, Chlorites,
Hydrochorites, Perchlorates, Pefchloric
Acid, Peroxides, Hydrogen Peroxide• I7 – Arsenates, Cyanides, Cyanates• I8 – Borates, Chromates, Manganates,
Permanganates• I9 – Acids (except Nitric)• I10 – Sulfur, Phosphorous, Pentoxide• IM – Miscellaneous Flynn Scientific
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PROPER STORAGE
• Shelves/cabinets attached to walls
• Shelves with anti-roll lips
• Wood construction
• Acids in acid cabinets (nitric acid)
• Flammables in flammable cabinet
• Sever poisons in poison cabinet
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DANGEROUS CHEMICALS
• Carbon disulfide
flash point -22º F
• Ethyl ether / Isopropyl alcohol
store no longer than 3-6 months
• Potassium metal
develops peroxide crystals, reactive with water
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• Picric acid / Perchloric acid forms explosive peroxides
• Mercury
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CORRECTING PROBLEMS
• Maintain an accurate inventory
• Bag or can dangerous chemicals
• Organize chemicals by compatibility
• Arrange for disposal
• Purchase less / Use less / Substitute
• Date chemicals when received
• Discard when storage period is reached
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• Store chemicals by compatibility• No more than a 2 years supply• Concentrated acids / bases stored in approved safety cabinets• Oxidizers isolated and stored in approved safety cabinets• Chemicals stored below eye level, not protruding over the shelf edge• Shelves must have a raised edge• Containers must be labeled: name, CAS#, conc.• Emergency phone numbers posted with means of communication available
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LEGAL
PERSPECTIVES
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NJSA 18A:16-6 The Board shall provide indemnification to any person holding any
office, position or employment under the jurisdiction of the Board, including any student teacher, or person assigned to other professional pre-teaching field experience, for damages, losses, and costs incurred as a result of a civil or administrative action suit or other legal proceeding brought against any such persons for any acts or omissions arising out of and in the course of their employment or student teaching or other assignment to professional field experience with this Board. This indemnification will include all costs of defending such action, including reasonable counsel fees and expenses, together with costs of appeal, if any, and will hold harmless and protect such person from any financial loss resulting from such action. No employee will be held harmless or have his/her defense costs defrayed in a disciplinary proceeding instituted against him/her by the Board or when the employee is appealing an action taken by the Board. Indemnification for exemplary or punitive damages is not required and will be governed by the standards and procedures set forth in N.J.S.A. 59:10-4. The Board may arrange for and maintain appropriate insurance to cover all such damages, losses, and expenses.
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POLICIES: HOW IS NEGLIGENCE DEFINED TODAY?
• DUE CARE – A teacher’s duty is to insure
that instruction is appropriate
for these students.
• NEGLIGENCE – Conduct that falls below
a standard set by the law
or one’s profession.
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• COMPARATIVE NEGLIGENCE
Who is to blame and to what extent?
Weigh all educational endeavors involving students for their educational value versus their “foreseeable” hazard.
If the hazard outweighs the educational value
of the activity and safety features then limit to a teacher’s demo or eliminate the activity.
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CONTACTS• Right-to-Know Virginia Brenton 609-984-2202 [email protected]
• Hazard Communication Standard Eric Beckhusen 609-984-1863 [email protected]
• Material Safety Data Sheets www.flinnsci.com/
• Hazardous Substance Fact Sheets www.state.nj.us/health/eoh/rtkweb/rtkhsfs.htm