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Flashcards in chapter 21 Environmental issues Deck (21)
1

Asbestos

a fire resistant mineral that was once used extensively as insulation and to strengthen other materials

2

Encapsulation

sealing off of disintegrating asbestos, is an alternate method of asbestos control that may be preferable to removal in certain circumstances, provided the condition of the encapsulated asbestos is monitored periodically to make sure it is not disintegrating.

3

friable

as it ages asbestos fibers easily break down into tiny, very light filaments that stay in the air a long time when it is disturbed or exposed.

4

lead

was used as a pigment and drying agent in alkyd oil-based paint.

5

lead based paint hazard Reduction Act

requiring disclosure of presence of any known lead based paint hazards to potential buyers or renters

6

radon

naturally occurring, colorless, tateless, radioactive gas produced by decay of other radioactive substances

7

Formaldehyde

colorless chemical with a strong pronounced odor, is used widely in the manufacture of building materials and many household products because of its preservative characteristicw

8

UFFI Urea-Formaldehyde Foam Insulation

foam insulation rarely used

9

carbon monoxide

colorless, odorless, and tasteless gas that occurs as a by-product of burning fuels such as wood, oil, and natural gas, owing to incomplete combustion.

10

PCB's

consist of more than 200 chemical compounds that are not found naturally in nature. Flame resistant, they were often used in electrical equipment, such as transformers, refrigerators.

11

CFC's

nontoxic, nonflammable chemicals uses as refrigerants in ac's, fridges and freezers. they deplete the ozone layer

12

Mold

can be found almost anywhere and can grow on almost any organic substance, as long as moisture, oxygen and organic food source are present. Moisture feeds mold growth

13

brownfields

defunct, derelict or abandoned commercial or industrial sites many of which are suspected to contain waste

14

Landfill

enormous hole, either excavated for the purpose of wast disposal or left over from surface mining operations.

15

Capping

is the process of laying two to four feet of soil over the top of the site and then planting grass on it to enhance the landfill's aesthetic value and prevent erosion

16

CERCLA

established the SUPERFUND to clean up uncontrolled hazardous waste sites and to respond to spills

17

Liability

a landowner is liable under CERCLA when a release or threat of release of hazardous substance has occurred on the landowner's property.

18

Superfund Amendments and Reauthorization ACT

created an "innocent Landowner" immunity status. It recognized that, in certain cases, a landowner in the chain of ownership was completely innocent of all wrongdoing and therefore should not be held liable

19

environmental assessors

scientific or technical experts who can provide the most comprehensive studies.

20

Environmental Site Assessment (ESA)

is often preformed on a property to show that due care was exercised in determining whether any environmental impairments exist.

21

Environmental Impact Statement

details the impact the project will have on the environment