Exam (elaborations)
OSHE 341 Test 2 Detailed Questions And Expert Answers
- Course
- OSHE 261
- Institution
- University Of California - Berkeley
OSHE 341 Test 2 Detailed Questions And Expert Answers
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OSHE 341 Test 2 Detailed Questions And ExpertAnswers
use the slides on this topic and lectures 6 and [pp279] for this question:
as recommended by NIOSH and OSHA, what is the sampling media popularly used
when conducting IH Field Evaluation to sample for organic vapors in the workplace
__?
Select one:
a. activated carbon
b. silica gel
c. carbon-tetrachloride
d. hydrogen sulfide
e. alumina-1 - ANS a. activated carbon
use the lecture-slides n this topic and Vol-1, pp 278-280 for this question: what
sampling media has the largest (highest) specific sorbent surface area per unit
mass of the sampling media _?
Select one:
a. silica and alumina
b. activated carbon
c. amberlite XAD-2 and amberlite XAD-4
d. chromosorb® 102 and 106
e. Tenax® GC - ANS b. activated carbon
,use lectures on this topic and Vol 1 pp278-279 for this question: as a sampling
media, activated charcoal operating temperature is much higher in comparison to
the Amberlite XAD-2, XAD-4 or XAD-7 sampling media
Select one:
a. True
b. False - ANS a. True
use the Lecture slides on this topic and Vol-1, class discussion, and additional
research, for the following question: what sampling media is popularly used when
conducting IH Field Evaluation to estimate workers' exposure to pesticides, such as
organochlorines ____?
Select one:
a. silica gel
b. activated carbon
c. amberlite XAD
d. chromosorbs
e. Tenax GC - ANS c. amberlite XAD
According to NIOSH a breakthrough volume [BV], or the amount of contaminant at
back of tubes in comparison to the front section of tube is > what (%) __? Where
[pp#] is this information in Vol 1 of the Textbook __?
Select one:
a. 12.5 %, page 180
,b. 25%, page 280
c. 17%, page 185
d. 7.5%, page 267
e. 37%, page 280 - ANS b. 25%, page 280
use the textbook, and other resources on this unit/topic for this question: what is
the primary function of the Chain of Custody in IH Field Evaluations __?
Select one:
a. identifies samples collected; identify persons or individuals who possessed
samples from time they were collected to time of analysis
b. enables analytical lab to determine the Limit of Detection (LOD)
c. enables or allows analytical lab to determine if facility was on planned
maintenance
d. demonstrates the capability of the IH instruments
e. enables or allows analytical lab to determine relevant worker exposure metrics -
ANS a. identifies samples collected; identify persons or individuals who possessed
samples from time they were collected to time of analysis
use lecture-slides on this topic and Vol 1, pp 272&pp419 and also Vol 2: pp-1630
for this question: When conducting IH field evaluation a workplace having
flammable airborne contaminants, a safety and health professional must use an IH
device marked with what words/symbols _?
Select one:
a. "UL-safe"
b. "FM-or LM-safe"
, c. "Intrinsically safe"
d. "non-conductively safe"
e. "constant flow safe-feature" - ANS c. "Intrinsically safe"
A safety professional who is using a pump that runs 2.5 LPM [liters per minute] will
collect how much volume of airborne contaminant samples at the end of an 8-hr
work shift __?
Select one:
a. 1200 m3
b. 6 L
c. 900 m3
d. 900 L
e. 1200 L - ANS e. 1200 L
use class discussion and pp312 for this question:
the first characteristic of a field blank is that it is a "clean sampling media" taken to
the site and handled exactly the same manner and method as the other sampling
media used in the field.. What is the second best characteristic of the field blank _?
Select one:
a. a source of potential interference and cross contamination
b. no air shall be drawn into the media during a sampling period
c. open quickly at the sampling site and reseal/close immediately
d. it is never used during IH field evaluation
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