ENVIRONMENTAL ENGG Flashcards
1
Q
DAO 2016-08
A
Water quality guidelines and general effluent standards 2016
2
Q
Clean Water Act of 2004
A
RA 9275
3
Q
Ecological Solid waste management act
A
RA 9003
4
Q
Toxic substances and hazardous waste management Act
A
RA 6969
5
Q
National water and air pollution control emission act
A
RA 3931
6
Q
Clean Air act of 1999
A
RA 8749
7
Q
Public Water supply class I- intended primarily for waters having watersheds which are uninhabited and/or otherwise declares as protected areas
A
CLASS AA
8
Q
Public water supply class II Source of water supply requiring conventional treatment to meet PNSDW
A
Class A
9
Q
Recreational water class I for bathing, swimming, primary contact recreation
A
Class B
10
Q
Fishery water for the propagation and growth of fish and ther aquatic resources
for boating, fishing, or similar activities
A
Class C
11
Q
Navigable waters
A
Class D
12
Q
Protected waters- national or local marine parks
Suitable for shellfish harvesting for direct human consumption
A
Class SA
13
Q
Water suitable for commercial propagation of shellfish
A
Fishery Water class II
14
Q
Fishery water class II, Tourist sones, recreational water class I
A
Class SB
15
Q
Generic term used to describe things that are thrown away
A
Solid waste
16
Q
Animal and vegetable waste resultinf from the handling, preparation, cooking and serving of food
A
Putrescible water
17
Q
Durable and non durabel goods, containers, packaging, food wastes, etc
A
Municipal solid waste
18
Q
Reprocessingn of wastes to recover an original raw material
A
Recycling
19
Q
Use of recycled producrs to make the same or similar products
A
Closed loop or primary recycling
20
Q
Use of recycled materials to make new products with different characteristics than the original
A
Secondary recycling
21
Q
Recovery of chemicals or energy from post consumer waste materials
A
Tertiary recycling
22
Q
Plastic classification of soft drinks, water and beer bottles
A
PETE
23
Q
Juice bottles, bleach, shampoo bottles
recyclable
no risk leaching
A
HDPE
24
Q
Window cleaner, detergent bottles, cooking oil bottles
recyclable
not usable for drinking water
A
PVC
25
Recyclable, no risk of leaching harmful chemicals
LDPE
26
High melting point (yogurt containers, ketchup bottles, straw
Polypropylene
27
Plates and cups, compact disc cases, non recyclable, can leach potential toxins into food
Polystyrene
28
Not usable for drinking water, can leach bisophenol A
OTHER NO.7
29
Controlled decomposition of organic materials by microorganisms
composting
30
Chemical reaction in which elements in the fuel (solid waste) are oxidized in the presence of excess oxygen
Combustion
31
Thermal processing of a material in the absence of oxygen
Pyrolisis
32
Partial combustion in which a fuel is burned with less than a stoichiometeic amount of oxygen
Gasification
33
Land disposal site
Landfill
34
Liquid that passes through the landfill, extracts dissolved and suspended matter from the waste material
Leachate
35
Used to determine the amount of leachate to leave the landfill
Darcy Law
36
Poses substantial danger, now or in the future to human, plant or animal life and must be handled or disposed with special precautions
Hazardous waste
37
Contaminant by product that may be thermally generated during manufacture or burning of chlorophenols
Dioxins
38
Agent orange
pesticides
39
Class of organic chemicals produced by chlorination of a biphenyl molecule
Polychlorinated biphenyls (PCBs)
40
Mass transfer process employed in the physical treatment of waste in which gas vapors or chemicals in solution are held to a solid by intermolecular forces
Carbon adsorption
41
Waste stream containing ion to be removed is passed through a bed of resin
Ion exchange
42
Process used to minimize rate of contaminant migration
Stabilization/Solidification/Concretization
43
Excavated or diked areas used to store liquid hazardous wastes
Surface Impoundments
44
Method of disposal whereby wastes are pumped into geologically secure formations well below drinking water aquifers
Deep well injection
45
non containerized accumulation of solid hazardous waste used for temporary storage
Waste piles
46
Property of water that tends to scatter and absorb light rays due to the presence of small suspended particles
Turbidity
47
Equivalent to the interface in the passage of light caused by a suspension of 1mg/L silica
One Turbidity Unit
48
TU range for clear lake
25
49
muddy lake
100 TU
50
Clear water
< 5 TU
51
Crystal clear water
1 TU
52
Equipment used to measure turbidity
Nephelometers and jackson candle turbidimeter
53
property that dictates survival of aquatic life forms
Temperature
54
One color unit is equivalent to
Color produced by a 1 mg/L solution of platinum
55
Process of converting ammonia into more stable nitrite and nitrate forma of nitrogen
Nitrification
56
oxygen consumption due to oxidation of C
Carbonaceous BOD
57
oxygen consumption due to oxidation oncor N
Nitrogenous BOD
58
Strong oxidizing agent commonly used to determine chemical oxygen demand
potassium dichromate
59
The coarser fraction of the suspended solids that readily settle out because of gravity
Settleable solids
60
Residue after burning at 550 C
Fixed solids
61
Gives an indication of the organic loading on biological treatment of units
VSS
62
used to express the properties of certain highly mineralized waters
Hardness
63
Hardness of water is measured in terms of
Calcium carbonate
64
Impart bitter taste in water
Fe2+ and Mn2+
65
Causes brown or black stains on laundry and plumbing fixtures
Fe3+ and Mn3+
66
Non toxic in small concentration but cause undesirable taste
Cu and Zn
67
causes salty taste at high concentration and may be an indicattion of sewage pollution at 500 ppm concn in fresh water
Chlorides
68
When chlorine reacts with organics in water, it will form_____
Trihalomethanes, THM
69
Acidity is caused by
Dissolved CO2 in water
70
Membrane filter method, multiple tube feementation method
Test for coliforms
71
Statistical method for determining microbial populations
Most probably number ( MPN)
72
Technique used to determine MPN
multiple dilution tube technique
73
Performed to retain solids found in wastewater
Screening
74
Grind up coarse solids in raw wastewater without removinf them from flow
Comminutors
75
Technique used to overcome the operational problems caused by variations in influent- wastewater flow rate
Flow equalization
76
Shallow ponds where dissolved Oxygen is maintained throughout depth
Aerobic ponds
77
pond oxygenated by surface or diffused air aeration
Aerated lagoons
78
Zones in facultative ponds
Upper zone: aerobic
Middle zone: Facultative
Lower zone: Anaerobic
79
Used for polishing effluents from a biological processes; DO is furnished through photosynthesis and surface re-aeration
Maturation and tertiary ponds
80
Consists of a series of closely spaced discs mounted on a horizontal shaft and rotated
Rotating biological contactors
81
Shallow pools for storm or wastewater treatment that create growing conditions suitable for wetland plants
Natural/ Constructed wetlands
82
Remocal of P and enhancement of suspended solid removals in primary sedimentation facilities
Chemical precipitation
83
Most common chemical agent used in disinfection
Chlorine
84
All atmospheric particles in the atmosphere with diameters equal to or less than 100 micrometers
Total suspended particles
85
Reddish brown gas with an odorless, pungent smell
NO2
86
Sources of this pollutant is entirely from atmospheric reactions and are not direct emissions from either people or nature
Photochemical oxidants
87
Gas that when inhaled, reduces oxygen transport in the body
Carbon Monoxide
88
It used to be the main anti knock componen of gasoline
Lead
89
Main CFCs
CFC-11 and CFC-12
90
Air toxics
Hazardous Air pollutants (HAPs)
91
7 original HAPs between 1970 to 1990
asbestos, arsenic, benzen, beryllium, mercury, vinyl chloride, radionuclide
92
Currently, there are ______ HAPs
189
93
Most abundant product chemicals in the world
BTEX ( benzene, toluene, ethylbenzene, xylene)
94
Change in air temp with height
Lapse rate
95
Tendency of the atmosphere to resist or engance vertical motion
Stability
96
Thermal structure neither enhances nor resists mechanical turbulence
Neutral atmosphere
97
Lapse rate of neutral atmosphere
Dry adiabatic lapse rate= -1.00C/100m
98
Mechanical turbulence is enhanced by the thermal structure
Unstable atmosphere
99
Lapse rate of unstable atmosphere
Superadiabatic lapse rate
100
Thermal structure inhibits mechanical turbulences (anticyclones)
Stable atmosphere
101
Lapse rate of stable atmosphere
Subadiabatic
102
Unburned particles of carbon in smole are pulled out of the smoke by using the static electricity in the precipitators, leaving clean, hot air to escape the smokestacks
Electrostatic precipitators
103
Used when particulate matter to be collected is wet, corrosive or very hot
Liquid scrubber
104
type of system used to remove harmful materials from industrial exhaust gases
Scrubber
105
used to convert VOC emissions into carbon dioxide and water through combustion
Incineration
106
Process of capturing CO2 and storing it below ground, pumping it into geologic layers
Carbon capture and storage
