Residential Carpet Cleaning
E.P.A. |
| Cleaning Frequency Guideline |
Environment |
Normal |
Contaminated Outside Dusty |
Extremely Cold Weather Climates |
High Humidity Biogenic |
| Day Care Center |
2 weeks |
1 week |
2 weeks |
1 week |
| Nursing Homes |
1 month |
1 month |
1 month |
1 week |
| Residence: |
|
|
|
|
| (2 persons, non smoking) |
6-12 months |
2 months |
4-6 months |
4-6 months |
| (2 persons, with smoking) |
4 months |
2 months |
2 months |
4 months |
| (young children) |
6 months |
1 month |
`2 months |
3 months |
| (young children w/pets) |
3-6 months |
1 month |
2 months |
2 months |
| Office Building: |
|
|
|
|
| (ground floor) |
3-6 months |
1-4 months |
2-6 months |
2-6 months |
| (higher floors) |
6-12 months |
2-6 months |
3-9 months |
3-9 months |
| Food Service Establishments |
1 month |
1 week |
2 week |
2 week |
| Commercial: |
|
|
|
|
| (retail shops, banks) |
3-6 months |
1 month |
2 months |
2 months |
|
| ( From: U.S. EPA Letter, January, 1989 |
|