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Teledyne API Model 200A NO
X
Analyzer Instruction Manual, 02246, Rev. G, DCN 5247
7.8.9 Summary of Quality Assurance Checks
The following items should be checked on a regularly scheduled basis to assure high quality data
from the M200A. See Table 7-7-19 for a summary of activities; also the QA Handbook should be
checked for specific procedures.
Table 7-7-19: Activity Matrix for Data Quality
Characteristic Acceptance Limits
Frequency and Method o
f
Measurement
Action if Requirements
are not Met
Shelter temperature Mean temperature
between 22
o
C and
28
o
C (72
o
and 82
o
F),
daily fluctuations not
greater than ± 2
o
C
Check thermograph chart
weekly for variations
greater than ± 2
o
C (4
o
F)
1. Mark strip chart for
the affected time
period
2. Repair or adjust
temperature control
Sample introduction
system
No moisture, foreign
material, leaks,
obstructions; sample
line connected to
manifold
Weekly visual inspection Clean, repair, or replace
as needed
Recorder 1. Adequate ink &
paper
2. Legible ink traces
3. Correct chart
speed and range
4. Correct time
Weekly visual inspection 1. Replenish ink and
paper supply
2. Adjust time to agree
with clock; note on
chart
Analyzer operational
settings
1. TEST
measurements at
nominal values
2. M200A in
SAMPLE mode
Weekly visual inspection Adjust or repair as
needed
Analyzer operational
check
Zero and span within
tolerance limits as
described in Subsec.
9.1.3 of Sec. 2.0.9
(Q.A. Handbook)
Level 1 zero/span every 2
weeks; Level 2 between
Level 1 checks at
frequency desired by user
1. Find source of error
and repair
2. After corrective
action, re-calibrate
analyzer
Precision check Assess precision as
described in Sec. 2.0.8
and Subsec. 3.4.3
(Ibid.)
Every 2 weeks, Subsec.
3.4.3 (Ibid.)
Calc, report precision,
Sec. 2.0.8 (Ibid.)
7-29
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