CHAP 9 HAZARDOUS WASTE AND ITS IMPACT

Question 1

defines hazardous waste as
(a) substances without any safe commercial,
industrial, agricultural, or economic usage
that are shipped, transported, or brought
from another country for dumping or
disposal; and
(b) by-products, residues, or consumer
discards that pose unreasonable risk or harm
to health, safety, and the environment.

Answer 1

The Toxic, Hazardous, and Nuclear Waste Control Act (RA 6969)

Question 2

Globally. around _____________ tons of
hazardous waste are generated each
year

Answer 2

400 million

Question 3

Various harmful chemicals possibly
present in our homes

Answer 3

Cleaning
Paint
Gardening
Automotive
General

Question 4

It is
- Disinfectants
- Drain,toilet, and window cleaners
- Spotremovers
- Septic tank cleaners

Answer 4

CLEANING

Question 5

Latex and oil-based paints
Paintthinners, solvents, and strippers
Stains, varnishes, and lacquers
Wood preservatives
Artist paints and inks

Answer 5

PAINT

Question 6

Pesticides
Weedkillers
Ant and rodent killers
Flea powders

Answer 6

GARDENING

Question 7

Gasoline
Used motor oil
Antifreeze
Battery acid
Solvents
Brake and transmission fluid
Rustinhibitor and rustremover

Answer 7

AUTOMOTIVE

Question 8

Dry-cell batteries (mercury and
cadmium)
Glues and cements

Answer 8

GENERAL

Question 9

Impacts of Hazardous Waste on Human Health

Answer 9

Skin Absorption
Inhalation
Ingestion
Injection or Puncture Wounds

Question 10

Direct contact to hazardous waste can cause toxic symptoms

Answer 10

SKIN ABSORPTION

Question 11

Hazardous compounds can enter the respiratory system by the inhalation of airborne pollutants

Answer 11

INHALATION

Question 12

Toxic compounds that may build up in the body over time due to contaminated food ingestion

Answer 12

INGESTION

Question 13

An intentional contact with sharp ends of hazardous wastes

Answer 13

INJECTION OR PUNCTURE WOUNDS

Question 14

Effects to human health

Answer 14

Acute Effect
Chronic Effect

Question 15

Acute Effects

Answer 15

Eye and skin irritation
chemical burns
difficulty breathing
Headaches and nausea
behavioral abnormality

Question 16

Chronic Effects

Answer 16

Cancer
genetic mutation
physiological malfunction
physical deformation
birth defects

Question 17

Populations most vulnerable to hazardous waste

Answer 17

People living in poverty
children
women
workers
minority and indigenous communities

Question 18

When and where was the world’s worst industrial accident at union carbide pesticide plant which was caused by the explosion of toxic methyl isocyanate gas due to faulty valves and corroded pipes where water leakage triggered a chemical reaction releasing toxic gas into the atmosphere and some mic converted into more deadly hydrogen cyanide gas

Answer 18

Dec 2, 1984
Union Carbide Pesticide Plant, Bhopal, India

Question 19

IMPACT
Affected ______ of Bhopal exposing up to ________ people including illegal squatters near the

Answer 19

78 km²
600,000

Question 20

IMPACTS
_________ immediate deaths total fatalities by 2003 estimated at _________

Answer 20

8,000
23,000

Question 21

______________ people suffer chronic illnesses _____________ sustained permanent injuries like blindness lung damage and neurological issues

Answer 21

120,000 to 150,000
50,000 to 60,000

Question 22

Impacts of hazardous waste on the environment

Answer 22

Water pollution
fires
short term effects
long term effects

Question 23

Hazards entering our water systems makes the water unsafe for drinking and agriculture

Answer 23

WATER POLLUTION

Question 24

Some other hazardous waste is flammable. it has the potential to ignite or explode causing a fire

Answer 24

FIRES

Question 25

Substances produce toxic effects after just one release this is what we refer to as “acute toxicity”

Answer 25

SHORT TERM EFFECTS

Question 26

Long term effects on the environment include signs of mutation in animals and other organisms. this is also called “chronic toxicity”

Answer 26

LONG TERM EFFECTS

Question 27

Hazardous waste disposal practices

Answer 27

Underground disposal
landfill disposal
ocean dumping
deep well injection
surface impoundments
incineration
encapsulation
macroencapsulation

Question 28

• strong and cause effective option
• medical treatments, laboratory experiments, nuclear fuel production, or radioactive ore mining

Answer 28

UNDERGROUND DISPOSAL

Question 29

It is the most common and oldest method not intended for liquid waste

Answer 29

LANDFILL DISPOSAL

Question 30

It is to prevent groundwater contamination

Answer 30

OCEAN DUMPING

Question 31

It pumps liquid hazardous waste deep into the earth

Answer 31

DEEP-WELL INJECTION

Question 32

Depressions used to treat/store/dispose hazardous waste (liquid)

Answer 32

SURFACE IMPOUNDMENTS

Question 33

It burns hazardous waste at high temperature

Answer 33

INCINERATION

Question 34

It encloses hazardous waste in a solid material to prevent the release of contaminants into environment

Answer 34

ENCAPSULATION

Question 35

It encloses large volumes of hazardous waste

Answer 35

MACROENCAPSULATION

Question 36

Laws and Regulations

Answer 36

RA 6969
RA 9003
DAO No. 29, Series of 1993
DAO No. 2013-22

Question 37

It regulates the handling, treatment, and disposal of toxic and hazardous substances, and requires business to report their use of such materials

Answer 37

Toxic Substances and Hazardous and Nuclear Waste Control Act of 1990 (RA 9696)

Question 38

It establishes a national solid waste management system, including provisions for hazardous waste disposal, labeling, and collection

Answer 38

Ecological Solid Waste Management Act of 2000 (RA 9003)

Question 39

Practical ways to reduce hazardous waste input into the environment

Answer 39

Use pesticides minimally
Opt for less harmful household alternatives
Proper disposal of hazardous chemicals