CHMM TEST
PREPARATION
REVIEWED QUESTIONS
AND CORRECT ANSWERS
GRADED A+ 2025-2026
273 - ANS-K= C +______
461 - ANS-R= F +______
2.54 - ANS-1 inch =_____cm
2.2 - ANS-1kg= ____lbs
6.022E23 - ANS-Avogadro's Number
3.785 - ANS-1 gal = _____L
Advection - ANS-Movement without phase change. Transported via flowing medium
Dispersion - ANS-Distribution throught the medium via mechanical (water turbulence)
or molecular (vaporation of VOC) means
Partitioning - ANS-Moves between 2 mediums ex. Ground contamination to water table
,Degradation - ANS-Decomposition Products create new chemicals through breakdown
Vadose Zone - ANS-Air, ground, & water interact here
Darcy's Law - ANS-Movement of water through saturated soil
J=Ki - ANS-Darcy's Law
J = Water flux in m/s, K = hydraulic conductivity in m/s, i = hydraulic gradient
(unitless) - ANS-J=Ki
DNAPL - ANS-Sinks to bottom of H2O, won't mix
LNAPL - ANS-Floats
Mechanical Drawdown - ANS-Causes cone of depression
Bioaccumulation - ANS-Transfer of contaminant into a living species
Bioconcentration - ANS-Concentration is higher in organixm than surroundings
Biomagnification - ANS-Contamination increases with movement up the food chain
American Society of Heating, Refrigerating, and Air-Conditioning Engineer - ANS-
ASHRAE
National Ambient Air Quality Standards - ANS-Criteria Air Pollutants are set by what
standard?
, Carbon Monoxide, Lead, SOx, NOx, Particulate Matter 2.5 and 10, Ozone - ANS-What are
the 6 criteria pollutants?
Radon - ANS-2nd Leading cause of lung cancer
Chrysotile - ANS-White asbestos, most common
Crocidilite - ANS-Blue asbestos, Lowest PEL, Most Toxic
Amosite - ANS-Brown asbestos, associated with mesothelioma
PCB - ANS-Araclor is a type of ______
NESHAP, AHERA, TSCA, OSHA - ANS-Asbestos is regulated by ______.
Terne plated - ANS-8% lead, 20 % tin alloy
(P1V1)/T1=(P2V2)/T2 - ANS-Gas Law
14.7 - ANS-1 atm = _____psi
760 - ANS-1 atm = _____mmHg
Mean - ANS-Another name for Average
Mode - ANS-most frequent value in the sample set
Median - ANS-Middle value of sample set when in ascending order, or avg of 2 middle
values
PREPARATION
REVIEWED QUESTIONS
AND CORRECT ANSWERS
GRADED A+ 2025-2026
273 - ANS-K= C +______
461 - ANS-R= F +______
2.54 - ANS-1 inch =_____cm
2.2 - ANS-1kg= ____lbs
6.022E23 - ANS-Avogadro's Number
3.785 - ANS-1 gal = _____L
Advection - ANS-Movement without phase change. Transported via flowing medium
Dispersion - ANS-Distribution throught the medium via mechanical (water turbulence)
or molecular (vaporation of VOC) means
Partitioning - ANS-Moves between 2 mediums ex. Ground contamination to water table
,Degradation - ANS-Decomposition Products create new chemicals through breakdown
Vadose Zone - ANS-Air, ground, & water interact here
Darcy's Law - ANS-Movement of water through saturated soil
J=Ki - ANS-Darcy's Law
J = Water flux in m/s, K = hydraulic conductivity in m/s, i = hydraulic gradient
(unitless) - ANS-J=Ki
DNAPL - ANS-Sinks to bottom of H2O, won't mix
LNAPL - ANS-Floats
Mechanical Drawdown - ANS-Causes cone of depression
Bioaccumulation - ANS-Transfer of contaminant into a living species
Bioconcentration - ANS-Concentration is higher in organixm than surroundings
Biomagnification - ANS-Contamination increases with movement up the food chain
American Society of Heating, Refrigerating, and Air-Conditioning Engineer - ANS-
ASHRAE
National Ambient Air Quality Standards - ANS-Criteria Air Pollutants are set by what
standard?
, Carbon Monoxide, Lead, SOx, NOx, Particulate Matter 2.5 and 10, Ozone - ANS-What are
the 6 criteria pollutants?
Radon - ANS-2nd Leading cause of lung cancer
Chrysotile - ANS-White asbestos, most common
Crocidilite - ANS-Blue asbestos, Lowest PEL, Most Toxic
Amosite - ANS-Brown asbestos, associated with mesothelioma
PCB - ANS-Araclor is a type of ______
NESHAP, AHERA, TSCA, OSHA - ANS-Asbestos is regulated by ______.
Terne plated - ANS-8% lead, 20 % tin alloy
(P1V1)/T1=(P2V2)/T2 - ANS-Gas Law
14.7 - ANS-1 atm = _____psi
760 - ANS-1 atm = _____mmHg
Mean - ANS-Another name for Average
Mode - ANS-most frequent value in the sample set
Median - ANS-Middle value of sample set when in ascending order, or avg of 2 middle
values
