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Training / Education / Green Seal / Industrial / Sustainability / Standards And Certifications
March 2013 Facility Focus

The Standard For Commercial And Institutional Cleaning Services

Digging deep to find what GS-42 certification from Green Seal means for the professional cleaning industry.

March 19, 2013
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Key Requirements Of GS-42 Certification

There are several requirements that must be met before an in-house or contract cleaning service can earn GS-42 certification.

A complete list is available at

Some of the more general requirements include:

  • Written operating procedures that are available to all cleaning personnel and clients
  • A building-specific green cleaning plan
  • A communication strategy for all cleaning personnel, building management and occupants, as well as a system for facilitating feedback from all stakeholders
  • Cleaning schedules that carefully address all of the cleaning needs of a facility
  • A detailed description of green cleaning implementation throughout the facility, including heavily used locations such as entryways and foodservice areas
  • Easy-to-understand directions for cleaning professionals written in appropriate languages or utilizing graphic presentations that cover all of the facility’s cleaning tools, machinery and products
  • Tactics to address the special cleaning needs of vulnerable populations such as young children or the elderly
  • Using only green-certified cleaning chemicals, as well as vacuum cleaners that meet the minimum requirements of the Carpet and Rug Institute’s (CRI) Seal of Approval (SOA) program
  • Using a chemical measuring and dilution system to limit human exposure to cleaning chemicals and facilitate proper dilution while eliminating waste.

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