Hazardous Waste

Question 1

The ____________________________________ defines hazardous waste as

(a) substances without any safe commercial,industrial, agricultural, or economic usagethat are shipped, transported, or broughtfrom another country for dumping ordisposal; and

(b) by-products, residues, or consumer discards that pose unreasonable risk or harm to health, safety, and the environment.

Answer 1

Toxic Substances, Hazardous, andNuclear Wastes Control Act ( RA 6969)

Question 2

Globally. around ______ million tons ofhazardous waste are generated eachyear

Answer 2

400

Question 3

What are the various harmful chemicals possibly present in our homes

Answer 3

Cleaning

Paint

Gardening

Automotive

General

Question 4

encloses large volumes of hazardous waste

Answer 4

Macroencapsulation

Question 5

-encloses hazardous waste in a solid materialto prevent the release of contaminants into thenvironment

Answer 5

encapsulation

Question 6

-burns hazardous waste at high temperatures

Answer 6

incineration

Question 7

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

Answer 7

Surface impoundments

Question 8

pumps liquid hazardous waste deep into the earth

Answer 8

deep - well injection

Question 9

to prevent groundwater contamination

Answer 9

ocean dumping

Question 10

most common and oldest method not intended for liquid waste

Answer 10

landfill disposal

Question 11

• strong and cost - effective option
• medical treatments, laboratory equipments, nuclear fuel production, or radioactive ore mining

Answer 11

underground disposal

Question 12

substances producetoxic effects after justone release — this iswhat we refer to as “________________”.

Answer 12

acute toxicity

Question 13

Long-term effects onthe environmentinclude signs ofmutation in animalsand other organisms.This is also called“________________”.

Answer 13

chronic toxicity

Question 14

CASE STUDY a black day in BHOPAL INDIA

December 2, 1984

Answer 14

toxic methyl isocyanate