PMT 108 CORE EXAM TEST UPDATED QUESTIONS AND
SOLUTIONS RATED A+
✔✔Purification zones
Zone of active decomposition - ✔✔Waste products are decomposed and consumed by
larger organisms to sustain life
Low DO
Scum floating
Water is darker and grayish
No fish present
Anaerobes predominate
✔✔Purification zones
Zone of recovery - ✔✔Point where water quality gradually returns to its biological and
physical state prior to discharge
Turbidity decreases
DO gradually increase
No odors
Algae reappear
Carp reappears
✔✔Purification zones
Zone of cleaner water - ✔✔Stream has returned to its original state
Clean water
DO approaches saturation
Natural stream conditions restored
Normal plant and animal life
Game fish appear
✔✔Purification Zones in a Stream (5) - ✔✔Pollution
Degradation
Decomposition
Recovery
Cleaner water
✔✔Dissolved Oxygen (DO) - ✔✔the amount of oxygen in the water
Important indicator of waters ability to support aquatic life
✔✔Grab sampling - ✔✔Single sample of water taken at any one designated time
Taken at specific point in stream
✔✔Composite sampling - ✔✔Collected by mixing together samples that have been
collected at regular intervals (1 hour) over 24 hour period
Take every one hour
Store at 4 degrees or below
, Same criteria for grab
✔✔Biochemical Oxygen Demand (BOD) - ✔✔Determines the amount of relative oxygen
requirements of wastewater's, effluents, and polluted waters
Measure DO before and incubation
Computed from difference between initial and final DO
✔✔DO Samples
If analysis is not started within....hours keep samples at or below 4 c.
Begin analysis withij...hours of collection
In no case, start analysis after more than...hours - ✔✔2 hours
6 hours
24 hours
✔✔Following laws/regulations apply to water point recon - ✔✔National pollution
discharge elimination system
AR 40-5
AR 200-1
FM 10-52-1
MCWP 4-11.6
Tb med 577/navmed p-5010-10/Afman 48-138_Ip
✔✔Water point recon responsibilities
Material management center - ✔✔Provide detailed info concerning status of water
supplies through AO
✔✔Water point recon responsibilities
Supporting water unit - ✔✔Army QM or marine corps ESB
coordinates with Mmc on water duoplies
✔✔Water point recon responsibilities
Water supply section leader - ✔✔Supervises and performs recon mission
Water treatment specialist
✔✔Water point recon responsibilities
Prev med - ✔✔Assists in water point recon
Inspects water supply points
Collects samples from bacteriological and chemical analysis
Tests untreated water
✔✔Ground recon for site survey should survey...sites
Complete water recon report form... - ✔✔Three sites
DA FORM 1712-R
SOLUTIONS RATED A+
✔✔Purification zones
Zone of active decomposition - ✔✔Waste products are decomposed and consumed by
larger organisms to sustain life
Low DO
Scum floating
Water is darker and grayish
No fish present
Anaerobes predominate
✔✔Purification zones
Zone of recovery - ✔✔Point where water quality gradually returns to its biological and
physical state prior to discharge
Turbidity decreases
DO gradually increase
No odors
Algae reappear
Carp reappears
✔✔Purification zones
Zone of cleaner water - ✔✔Stream has returned to its original state
Clean water
DO approaches saturation
Natural stream conditions restored
Normal plant and animal life
Game fish appear
✔✔Purification Zones in a Stream (5) - ✔✔Pollution
Degradation
Decomposition
Recovery
Cleaner water
✔✔Dissolved Oxygen (DO) - ✔✔the amount of oxygen in the water
Important indicator of waters ability to support aquatic life
✔✔Grab sampling - ✔✔Single sample of water taken at any one designated time
Taken at specific point in stream
✔✔Composite sampling - ✔✔Collected by mixing together samples that have been
collected at regular intervals (1 hour) over 24 hour period
Take every one hour
Store at 4 degrees or below
, Same criteria for grab
✔✔Biochemical Oxygen Demand (BOD) - ✔✔Determines the amount of relative oxygen
requirements of wastewater's, effluents, and polluted waters
Measure DO before and incubation
Computed from difference between initial and final DO
✔✔DO Samples
If analysis is not started within....hours keep samples at or below 4 c.
Begin analysis withij...hours of collection
In no case, start analysis after more than...hours - ✔✔2 hours
6 hours
24 hours
✔✔Following laws/regulations apply to water point recon - ✔✔National pollution
discharge elimination system
AR 40-5
AR 200-1
FM 10-52-1
MCWP 4-11.6
Tb med 577/navmed p-5010-10/Afman 48-138_Ip
✔✔Water point recon responsibilities
Material management center - ✔✔Provide detailed info concerning status of water
supplies through AO
✔✔Water point recon responsibilities
Supporting water unit - ✔✔Army QM or marine corps ESB
coordinates with Mmc on water duoplies
✔✔Water point recon responsibilities
Water supply section leader - ✔✔Supervises and performs recon mission
Water treatment specialist
✔✔Water point recon responsibilities
Prev med - ✔✔Assists in water point recon
Inspects water supply points
Collects samples from bacteriological and chemical analysis
Tests untreated water
✔✔Ground recon for site survey should survey...sites
Complete water recon report form... - ✔✔Three sites
DA FORM 1712-R
