quiz laboratorio 1 parte 2 Flashcards
All containers of hazardous chemicals and materials must be _____
labeled.
Hazardous materials must be
_____________ and have the following information on the label:
-kept in the original container
Identity of the hazardous chemical/material
An appropriate hazard warning
The name and address of the manufacturer, importer or other responsible party
NFPA: meaning
National Fire Protection Association
In the United States, the National Fire Protection Association (NFPA) has developed:
This label is:
-a nationally recognized system of labeling materials.
-required on all containers
The NFPA label
consists of _____________.
-four sections in color and numerical code
The label shows 1.___ 2._____3.______4._______ .The label will also have a:
- health hazard (blue)
- fire hazard (red)
- reactivity/instability hazard (yellow)
- special hazards (white).
-numerical code in each of the colored sections
Blue 4:
Extreme Highly toxic - May be fatal on short-term exposure.
Special protective equipment required.
Blue 3:
Serious Toxic - Avoid inhalation or skin contact. Can cause serious injury on short exposure.
Blue 2:
Moderate Moderately toxic - May be harmful if inhaled or absorbed. Can cause temporary
incapacitation or injury without prompt medical attention.
Blue 1:
Slight Slightly toxic - May cause slight irritation and can cause only minor residual injury.
Blue 0:
Minimal - All chemicals have some degree of toxicity.
Red 4:
Extreme Extremely flammable - Flashpoint below 73°F.
Red 3:
Serious Flammable - Flash Point 73°F to 100°F.
Red 2:
Moderate Combustible - Requires moderate heating to ignite. Flash Point 100°F to 200°F.
Red 1:
Slight Slightly combustible - Requires strong heating to ignite.
Red 0:
Minimal- Will not burn under normal conditions.
Yellow 4:
Extreme - Materials that are readily explosive at room temperature and pressure.
Yellow 3:
Serious - May explode if shocked, heated under confinement, or mixed with water.
Yellow 2:
Moderate - Materials that are normally unstable, may react with water, but do not detonate.
Yellow 1:
Slight - Materials that are normally stable, but may react if heated or mixed with water, but not
violently.
Yellow 0:
Minimal- Normally stable, does not react with water.
WHITE
W Water Reactive
for a substance that is highly reactive with water.
WHITE
OXY Oxidizer
for a substance that reacts violently with air or under gas explosive decomposition.
WHITE
AIR Air Reactive
for a substance that is highly reactive with air.
WHITE
Radioactive
for a substance that is radioactive.
WHITE
Cancer Causing
for a substance that is carcinogenic.
Flammability:
Most burning occurs when the substance in _________. Any substance that exists as a ____ will burn more readily than a ____. Liquids that are:
-the gaseous state
-a gas or vapor
-liquid
-volatile (change to a gas readily) will
ignite easily.
HEALTH HAZARDS
Health Hazards:
Toxicity: Poisonous or causes cancer.
Irritant: Irritates tissue or membrane, causes rash or itching.
Corrosive: Attacks skin; burns severely.