|
SLIGHT
Change air filter and
retest in 6 to 12 months. Most homes or offices may have a
slight amount of bacteria. Retest after 90 days to determine
whether there is an increase in bacteria count.
|
 |
SLIGHT
2 colonies
or
1000
|
MEDIUM
20 colonies
or
10,000 |
HEAVY
200 colonies
or
100,000 |
HEAVY
2,000 colonies
or
1,000,000 |
|
MEDIUM
Change air filter and
retest immediately to determine whether bacteria count has
decreased. If results are the same consider duct cleaning or
other maintenance.
|
 |
SLIGHT
2 colonies
or
1000
|
MEDIUM
20 colonies
or
10,000 |
MEDIUM
200 colonies
or
100,000 |
HEAVY
2,000 colonies
or
1,000,000 |
|
HEAVY
Contact your AC/Heating
repair service for either duct cleaning or other recommended
service and/or check for the efficiency of the heating and air
conditioning unit.
|
 |
SLIGHT
contamination
(+) |
MEDIUM
contamination
(++) |
HEAVY
contamination
(+++) |
HEAVY
contamination
(++++) |
