PASSIVE BREATH SAMPLING
(Continued)
Step 8:
Power Off
Turn power switch to off position to conserve the battery
when the system is not in use for extended periods (overnight,
weekends, etc.).
Step 9:
Record Result
Record results into a suitable log, record the number of bars that light
up, if any. If no bars on the graph light up record "Negative for
Detectable Levels of Breath Alcohol" and have the subject initial the
recorded results.
CAUTION!:
Be aware that ambient air alcohol may be present in your test area. Such
alcohol sources may be from hand and body lotions, anti-bacterial lotions and creams,
mouthwashes, perfumes, colognes, etc. Check Labels. Perform testing in areas away
from such materials. Freshly applied hand creams and lotions may emit large amounts of
alcohol into the air. Certain cleaning solutions may also contain alcohol.
Remember 3 Key principals (DDT) for accurate passive sampling:
Distance:
5-7 inches
Direction
:
Point intake port towards persons mouth
Talking
:
Have person talk while sampling pump is running
REMEMBER "DDT"
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