Threshold Limit Value
The amount of hazardous chemical exposure to which a worker can be exposed
45
minimum angle for rigging
Point of Operation, Power Transmission Device, Operating Controls
Fundamental Machine Areas
Ergonomics
Matching the task to the worker
Irritants
chemicals that will irritate various tissues (chlorine and ammonia)
Sensitizers
allergens"; cause an allergic type of reaction due to the sensitivity from prior exposure
Mutagens
ethylene oxide, benzene, and hydrazine
Teratogens
cause damage or death to a developing fetus (thalidomide, dioxins, lead, and calcium)
Point of Operation
the area on a machine where work is performed
Universal Precautions
all human blood and body fluids are treated as if known to be infectious; protecting workers from exposure to blood and bodily fluids
Hazard
any real/potential condition that can cause injury; unsafe condition
Risk
probability that a substance/situation will produce harm under specified condition
Risk Analysis
process of identifying safety risk
Risk Assessment
process of determining the risk presented by the identified hazards
Loss Control System
Identify hazardous conditions, assess the risks, and establish effective risk control measures
Aerosol
Suspension of liquid or solid particles dispersed in air
Mist
Suspension of liquid particles in air formed by condensation from vapor or by some mechanical process
Fume
solid particle aerosol formed by condensation from the vapor state
Smoke
Aerosol formed from combustion of organic material
Dust
Particulate material generated by a mechanical process
System Life Cycle
concept, system development, production/deployment, and sustainment/disposal
Inhaled, eye/skin contact (absorption), ingestion, and injected
4 major exposure paths for chemical compounds to enter the body
Check Valve
a device that prevents the back-flow of oxygen and acetylene
Elimination, Substitution, Engineering Controls, Warnings, Admin Controls, PPE
Most to Least Effective Control Methods
Authorized Employee
an employee who locks out machines in order to perform servicing/maintenance
Affected Employee
an employee whose job requires him to operate a machine on which servicing is being performed under lockout
Attendant
an employee assigned to remain immediately outside the entrance to an enclosed space to render assistance
Effective Listening
supervisor skill demonstrated through empathy, rephrasing, and repeating
Safety Audit
A methodical examination of a company's existing procedures and practices to determine if they comply with legal requirements, internal policies, and best practices
Hot Work Program
To establish fire safety controls for operations involving welding or cutting, especially those conducted in proximity to combustible materials, many firms implement procedures that authorize these operations only after certain safeguards have been implemented. These procedures are called:
Type 1 Hard Hat
has a full brim around the entire hat
Type 2 Hard Hat
has a short brim only in the front of the hat
Class A Hard Hat
protects against impact, penetration, and low-voltage electrical conductors (2,200 volts)
Class B Hard Hats
protects against impact, penetration, and high voltage-electrical conductors (20,000 volts)
Class C Hard Hat
protect against impact and penetration only; made of aluminum
Equalize the charge
When transferring flammable liquids between bulk and daily use containers, the containers must be electrically bonded together. The purpose of bonding is to:
Shielding
When considering the safety requirements for a trenching operation, there are three primary protective methods or techniques that can be used to prevent sidewall collapses - sloping, shoring, and:
6 ft
Warning line systems are an acceptable means of preventing falls from roofs that are not equipped with fixed rail protective systems. At which distance apart must warning line systems be placed from the roof's edge?
Type 3 Ladder
maximum weight of 200 lbs
Type 2 Ladder
maximum weight of 225 lbs
Type 1 Ladder
maximum weight of 250 lbs
Type 1A Ladder
maximum weight of 300 lbs
Type 1AA Ladder
maximum weight of 375 lbs
4:01
Which is the recommended safety factor (the ratio between its breaking strength and safe working load) for BEST condition (new) fiber ropes?
Passive Fall Protection
No action required by worker (guardrails)
Active Fall Protection
Action required by worker (fall arrest system)
Abestos
type of carcinogen
Arc Eye
For unprotected eyes, the intense ultraviolet light associated with arc welding can lead to a condition known as
Class A Fire Extinguisher
used for ordinary combustibles, such as paper, wood, and cloth; use water or certain types of dry chemicals to absorb or coat fire
Class B Fire Extinguisher
used for fires that originate from flammable liquids and gas; oil or guel fire
Class C Fire Extinguisher
used for electrical fires from live wires, panels, and circuit breakers
Class D Fire Extinguishers
used on combustible metals such as magnesium, sodium, aluminum, and titanium
Class K Fire Extinguisher
used for fires caused by cooking fats, greases, and oils
Incipient Stage Fire Brigade
As the site safety supervisor, you have been instructed to create and train a fire brigade to minimize property damage from unexpected fire incidents. You have decided that the fire brigade will only be responsible to fight small fires that can be controlled with portable fire extinguishers without the need for protective clothing or breathing apparatus. Which is this type of fire brigade called?
cognitive learning theory
how people process new information
Noise Dosimeter
Records noise energy to which the employee is exposed to during the work shift.
1/8" 1/4
tool rest should be adjusted not more than ___ from the grinding wheel and tounge guards should be adjusted to _____