Environmental Engineering

Question 1

National Water and Air Pollution Control Commission Act

Answer 1

RA 3931

Question 2

Toxic Substances and Hazardous Waste Management Act

Answer 2

RA 6969

Question 3

Clean Air Act of 1999

Answer 3

RA 8749

Question 4

Ecological Solid Waste Management Act

Answer 4

RA 9003

Question 5

Clean Water Act of 2004

Answer 5

RA 9275

Question 6

Climate Change Act of 2009

Answer 6

RA 9729

Question 7

Environmental Impact Statement System

Answer 7

PD 1586

Question 8

Water Quality Guidelines and General Effluent Standards of 2016

Answer 8

DAO 2016-08

Question 9

Updated/Annex of WQG

Answer 9

DAO 2021-19

Question 10

Protect ozone layer by phasing out CFCs, HCFCs, HFCs

Answer 10

Montreal Protocol

Question 11

Limiting and reducing GHG emissions

Answer 11

Kyoto Protocol

Question 12

Eliminating production and use of POPs

Answer 12

Stockholm Convention

Question 13

Limiting the global temperature rise in this century to 2°C

Answer 13

Paris Agreement

Question 14

Water body classification: Inland Surface Waters

Answer 14

AA - Public Water Supply Class I (disinfection only for drinking)
A - Class II (needs treatment for drinking)
B - Recreational Water Class I (bathing, swimming)
C - Rec. Class II, Fishery, Industrial Class I
D - Industrial Class II, agriculture

Question 15

Water body classification: Coastal and Marine Waters

Answer 15

SA - propagation of shellfish, conserved marine parks
SB - tourist zones, Rec. Class I (swimming)
SC - Rec. Class II
SD - industrial

Question 16

List the 7 plastic classifications and give examples

Answer 16

1-PETE: plastic bottles
2-HDPE: detergent container, grocery bags
3-PVC: pipes
4-LDPE: wrapping films, sandwich bags
5-PP: tupperware, caps
6-PS: styrofoam
7-Others: combination, biodegradable

Question 17

Bioaccumulation

Answer 17

increase of concentration in particular organism

Question 18

Biomagnification/Bioamplification

Answer 18

increase of concentration the higher you go in the food chain

Question 19

Bioconcentration

Answer 19

increase of concentration due to absorption from water

Question 20

Phototrophs vs Chemotrophs (Lithotrophs and Organotrophs)

Answer 20

energy from sunlight, inorganic, and organic substances respectively

Question 21

Autotrophs vs Heterotrophs

Answer 21

carbon from CO2 and food respectively

Question 22

exposure to silver dust

Answer 22

Argyria

Question 23

bone pain due to Ca loss and Cd exposure

Answer 23

Itai-Itai

Question 24

mercury poisoning in Japan

Answer 24

Minamata

Question 25

lead poisoning in Devon, England

Answer 25

Devon colic

Question 26

Maximum contaminant level (in ppb) of common substances

Answer 26

Lindane - 0.2
Heptachlor - 0.4
Dichloromethane - 5
Benzene - 5
Dieldrin - 0.006
DDT - 1.1
As - 10
Cr - 100