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General Handling and Safety: Part 2
Terms in this set (42)
A ___ is considered hazardous if it has certain properties or
chemicals that pose dangers to human health and the
environment after it is discarded.
Waste is classified as hazardous if it has which of the following characteristics?
- Listed by the US Environmental Protection Administration
(EPA) and the Canadian Environmental Protection Agency
What type of waste is considered ignitable?
The substance is flammable or combustible
What type of waste is considered corrosive?
The substance is highly acidic or basic with a
pH less than 2.0 or greater than 12.5 (water has a pH of 7.0
which is neutral)
What type of waste is considered reactive?
The substance is chemically unstable or
explosive, reacts violently with water, or is capable of
giving off toxic fumes when mixed with water
What type of waste is considered toxic?
The substance contains amounts of arsenic, barium,
chromium, mercury, lead, silver or certain pesticides
What are some examples of hazardous waste that
may be regulated differently by individual states and
- Dental amalgam
- Lead foil from
True or False: Regulations for hazardous waste disposal vary among states and provinces, and heavy fines may be imposed
for those individuals who knowingly violate
True or False: Solutions from wet processing of dental radiographs
are permitted to go into public sewer systems
What are the five parts of a chemical hazard communication program?
1. The written program
2. The chemical inventory
3. The Safety Data Sheet (SDS)
4. Labeling of containers
5. Employee Training
What does does the abbreviation OSHA stand for?
Occupational Safety and Health Administration
What is the purpose of OSHA (Occupational Safety and Health Administration)?
issues the hazard communication standard because
"employees have the right to know" the identity and the
hazards of chemicals that they use in the workplace
True or False: (The Written Program) Must identify by name all employees who are exposed to hazardous chemicals.
True or False: (The Written Program) It must decide how many chemicals are handled in the workplace.
True or False: (The Written Program) It does not need to include a description of all safety measures and an explanation of how one should respond to chemical emergencies, such as spills or exposures.
The ___ is a comprehensive list of every
product used in the office that contains chemicals,
including amalgam, bonding agents, disinfectants, and
True or False: (The Chemical Inventory) Each time a new product is added to the office, it must be added to the chemical list and the SDS, and this product
information does not need to be placed in the SDS file.
What is the purpose of the Safety Data Sheet (SDS)?
contain health and safety
information about each chemical in the office
___ provide comprehensive technical information and are a
resource for employees/providers who work with chemicals.
Safety Data Sheets (SDS)
True or False: (Safety Data Sheets - SDS) They describe the physical and chemical properties of a chemical, health hazards, routes of exposure, precautions
for safe handling and use, emergencies and first aid
procedures and spill control measures.
___ must be labeled to indicated what chemicals they
contain and any hazards that may be present.
True or False: (Labeling of Chemical Containers) All chemicals in the dental office must be labeled.
True or False: (Labeling of Chemical Containers) many cases, the manufacturer label is suitable.
True or False: (Labeling of Chemical Containers) When the chemical is transferred to a different container, the
new container does not need to also be labeled.
What are some examples of labeling exemptions?
- Pharmaceuticals directly dispensed
to the patient by the pharmacy, over the counter drugs and drugs intended for personal consumption by the employee for use in the workplace (such as aspirin).
- Food, alcoholic
beverages, and cosmetics packaged for consumer use.
What is the most common labeling system that is used to label containers of hazardous chemicals?
National Fire Protection Association Labels
What does the National Fire Protection Association Labels consist of?
BLUE, RED, YELLOW, and
WHITE diamonds filled with numerical ratings from 0 to 4
___ is essential for a successful hazard communication program.
When is staff training required?
1. When a new employee is hired
2. When a new chemical product is added to the office
3. Once a year for all continuing employees
Records of each training session must be kept on file and
retained for at least ___ years.
What should the chemical training program for employees include?
1. Use of hazardous chemicals
2. All safety practices, including all warnings
3. Required personal protective devices
4. Safe handling and disposal methods
Bio = living, and Aerosol = mist
___ is a cloudlike
mist containing microbes such as bacteria, viruses,
molds, fungi and yeast
Where can airborne microorganisms be found?
Any building (air
conditioning systems, humidifiers, carpets, wall coverings
What does aerosols and splatter contain?
▪ Oral Fluids
▪ Dental Materials
▪ Latex particles
▪ Dust from metal
▪ Hygiene procedures
What 2 categories are particles in patient's mouth separated by?
What is splatter defined as?
particulates larger than 5 microns
What is aerosols defined as?
particulates smaller than 5 microns
Where can splatter be found?
in the treatment area as far away as 3 feet
How long can aerosols remain airborne?
From minutes to hours
Can aerosols be a source of infection if inhaled?
How can the effects of Bio-Aerosols can be minimized in dental offices?
1. Cleaning the air-infiltration system frequency
2. Using proper oral and laboratory evacuation
techniques during Bio-Aerosol producing procedures
3. Wearing appropriate PPE
5. Pre-procedure mouth rinses
6. Rubber Dam
7. Environmental Barriers
8. Surface cleaning and disinfectants
9. Keeping all containers tightly covered
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