Cleaning Frequency Guidelines
from the IICRC Standard for Carpet Cleaning S001-1991
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Traffic Soil Rating
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Carpet Owner/Maintainer
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Professional Carpet Cleaner/Restorer
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Vacuuming
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Spot Cleaning
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Heavy-use Area Cleaning
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Restorative Cleaning
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Light Soil
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1 time per week
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Daily, or as soon as the spots are noticed
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Traffic areas every 12-18 months
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Every 2 years per manufacturer warranty
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Normal Soil (Families with children, elderly)
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1-2 times per week
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Daily, or as soon as the spots are noticed
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Traffic areas every 6-12 months
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Annually
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Heavy Soil (Families with pets, smoking)
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2-4 times per week
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Daily, or as soon as the spots are noticed
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Traffic areas every 3-6 months
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Semi-annually (2 times annually)
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Extreme Conditions (Large families, multiple pets)
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Daily
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Daily, or as soon as the spots are noticed
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Traffic lanes every 2-3 months
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Quarterly (4 times annually)
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This table is intended to serve as a guideline for recommended cleaning frequencies from a public health perspective. Originally published in a letter from the U.S. EPA, this schedule has been adopted as part of the Institute of Inspection, Cleaning and Restoration Certification’s (IICRC). Carpet Cleaning Standard S001-1991. Complete copies of the IICRC Carpet Cleaning Standard can be obtained by calling the Institute at (360)693-5675. (From: U.S. EPA Letter, January 1989)

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It’s true that the frequency of the carpet cleaning depends on many circumstances. Carpet cleaning frequency should be based upon what kind of carpet you have, how many people are walking on the carpet and the kind of business space your company owns. The colors and styles of the carpet can also influence how often you need to do cleaning on them.
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