Choosing Green Cleaning Products

This section provides general criteria for green cleaning products and lists some categories that can be used in schools. To learn more about relevant standards for green cleaning products, see Green Standards. To identify products that meet these criteria, see Featured Green Products.

General Criteria

Green products and services are generally defined as “…products and services that reduce the health and environmental impacts compared to similar products and services used for the same purpose.”* Green cleaning products typically have one or more of the following characteristics (Click on any of the items listed below to read more):

  • Pollution Prevention
  • Put simply, it is much simpler, better, and less expensive to prevent a problem than to try to repair it after the fact. In the field of cleaning this can mean it is better to use products that are not going to pollute the air (high VOC solvents, aerosols, etc.) and cause respiratory problems than it is to try to clean the air up later and or to treat respiratory or other chronic illnesses. A Green Cleaning program can help not only to reduce the impacts on health and the environment but, over time may reduce costs to the community as well.

  • Sustainability
  • We are finally coming to the realization that we as a society can use up our natural resources faster than they can be replaced. Examples include cutting down forests to make toilet paper from virgin pulp faster than trees can be re-grown, or using petroleum (a non-renewable resource) to make trash can liners with no recycled content. Sustainability means that we choose to use practices today that do not hurt future generations’ ability to have the same things.

  • Multiple Attributes
  • These issues are complex and we shouldn’t use just one attribute to make a “green” claim for a particular product. For instance it should not be enough to call a product green simply because it can be recycled or is biodegradable. We need to know more – where the raw materials came from, if it is hazardous to use or dispose of, and so on. We need to use care that we don’t reduce impacts in one area while increasing impacts in another. Thus, we need to consider many product attributes – not just one or two.

*Source: Presidential Executive Order 13101. See www.ofee.gov for more information.

“Green” and the Product Lifecycle

The comparative reduction in health and environmental impacts can take place not only when the product is used but anywhere throughout its lifecycle. Click on the items below to read more:

  • Raw Materials
  • Drilling for the oil that is used as a basic component for most chemicals and plastics and logging of trees to create the pulp that becomes janitorial paper are common environmental impacts. Even “natural” products made from agricultural sources such as oranges and soybeans have an impact on the very “farming” operations used to grow them.

  • Transportation
  • Transportation affects the environment at several points in the product’s lifecycle. It may be the oil tanker bringing crude oil to the refinery from the drilling fields, shipping a truckload of chemicals from the manufacturer to the distributor, or distributor to end-user. (Consider the differences between shipping concentrates versus all the added water and packaging materials in ready-to-use (RTU) products!)

  • Manufacturing
  • Environmental impacts vary by type of product produced or raw material used. An example would be using chlorine bleach (sodium hypochlorite) in the production of paper, which releases one of the most hazardous manmade compounds in existence: dioxin.

  • Storage
  • Spills, potentially deadly combinations of mixed products in a spill (e.g. ammonia combined with chlorine bleach creates a deadly gas) or potential flammability issues can arise during storage of cleaning products.

  • Usage
  • This is the phase we are most often concerned with or aware of. We worry about potential injuries to the users of these products (eye and skin burns, ingestion, or inhalation, among others), high VOCs from fragrances, solvents and other conventional cleaning products that may cause Indoor Air Quality (IAQ) problems, resulting in respiratory irritation. Or there may be products that can be absorbed through the skin causing harm over long periods of time.

  • Disposal
  • Some products can harm the environment when they are disposed. A common example is zinc – used in floor finishes – a metal that acts as a neuro-toxin, harming the development of the brain and nervous system. Nonylphenol ethoxylates, surfactants found in many detergents, are thought to be endocrine disruptors, that can cause permanent mental, learning, and behavioral disabilities.

To identify specific products that meet these criteria, see Featured Green Products.

Seek Green Certifications

The majority of cleaning products used in a school fall into categories that are part of the Green Seal, EcoLogoM certification programs, or the EPA Design for the Environment partnership program. These categories of cleaning products include: general purpose cleaners, glass cleaners, bathroom cleaners, carpet and floor cleaners. With improvement in product formulas and expansion of the certification programs the product categories and number of products are constantly growing. Choosing certified products that meet Green Standards in the following categories are a good way to reduce toxins and make an immediate positive impact reducing risks to health and the environment in schools.

For most cleaning products, the easiest way to green your purchases is to rely on third party certification program. Choosing certified products that meet Green Standards in the following categories are a good way to reduce toxins and make an immediate positive impact on the health of the school environment.

Packaging

When selecting any purchase always consider the amount of and types of packaging material. Packaging is usually 100% waste and can only add cost to your purchase - so here are some tips when selecting based on packaging:

  • Look for minimal packaging
  • Purchase packaging that is recyclable
  • Environmentally preferable plastics are those labeled with 1, or 2
  • Recycled plastics labeled 4 and 5 are only partially recyclable
  • Avoid plastics labeled with 3, 6, and 7.
  • Paper packaging should at a minimum meet
  • Always purchase in concentrates versus ready to use formulas
  • Lightweight flexible packaging (e.g. pouches or bags) use significantly less materials compared to rigid plastics.

Green Seal’s GS-37 requires that packaging either be recyclable, or in a refillable container, with exceptions for pouches and bags. EcologoM products must not be packaged in chlorinated plastics and manufacturers must ensure the recycled post consumer content of packaging.

Avoiding Hazards

For cleaning product categories that are not covered by certification programs, there are multiple environmental and health attributes to be considered. There are many products that either don't have third-party certifications available for them, or they are in a product category that is emerging. However, in these cases, you can look to the product attributes and choose to make educated choices that are healthier for your students and the environment.

Always look for processes that eliminate entire steps such as longer lasting floor care systems that reduce the need to strip and finish floors. New developments in technology have lead to cleaning equipment that converts water to a cleaning agent without the need for additional chemicals. See New Technology to learn more.

For products not covered by the standards you can always make a greener choice by purchasing concentrated formulas with minimal packaging instead of Ready to Use (RTU). When considering multiple attributes, concentrated versions of these alternative products have clear advantages over their RTU counterparts. Offering a reduction in packaging materials, transportation impacts, and disposal impacts, they are generally the better alternative. However, it is important to use some type of portion control to avoid exposure to the concentrated chemical and to avoid waste or damage to materials. Furthermore, concentrates can save money! Your choice of dispensing equipment, pre-measured packets, sachets, etc. should be guided by the specific situations in your school. You will find every manufacturer of Green Cleaning Products offering at least one type of dispensing option. It is also very important for products to be used as directed by the manufacturer. To identify specific products that meet these criteria, see Featured Green Products.

Click on any of the items listed below to read more about choosing green products.

  • Aerosols
  • CFC propellants have been banned for some time. Most aerosols now use propane or butane (cigarette lighter fluid) as the propellant. These are potentially harmful to the custodian using the product (inhalation issues) and may be extremely flammable. Look for dispensers with a simple trigger sprayer or from a “flip-top” dispenser like typical toilet bowl cleaners or cream furniture polish.

  • Floor Finishes Containing Metals
  • Zinc is the most common metal used for “cross-linking” polymers in traditional floor finishes. This heavy metal enters the environment when floors are stripped and the waste is put down the drain. Zinc can cause neurological damage and adds strain to municipal waste water treatment systems. Specifying non-zinc finishes is a recommended approach. This has an added benefit as the strippers used to remove finishes with heavy metals are typically high pH (13 or 14), while those used to remove zinc-free finishes typically have much lower pH levels. Lower pH levels that approach neutrality (pH=7) help reduce potential burns to skin and eyes.

    Floor care should be considered as a system. The floor finish needs to match the stripper as well as the suggested cleaner and maintainer if one is recommended. Significant enviornmental and health benefitrs can be achieved by implementing a floor-care program that reduces the frequesncy of burnishing, recoating, stripping and refinishing. Imagine not only the enviornmental and health benefits but also the cost savings in products and labor if stripping and recoating can be reduced from two times a year to annually or better yetm once every two to three years.

  • Chlorinated and Ammoniated Cleaners
  • These products are respiratory irritants (which means they can irritate peoples’ lungs and may trigger asthma attacks). Chlorine based cleaners are corrosive – with potential to burn eyes and skin, and can permanently damage carpets and clothing. Mixed together, these two chemicals create a deadly gas. Hydrogen peroxide based products can be excellent alternatives to chlorine bleaches and even some sanitizers and disinfectants.

  • Disinfectants
  • Germ control is important in the school environment, but all micro-organisms are not “bad.” Good physical cleaning of surfaces is often enough. The use of harsh chemicals such as chlorine, phenols and quaternary ammonium compounds (quats) can irritate eyes, skin and respiratory systems, damage finishes, carpets and clothing and even produce poisonous gases when improperly handled. In addition, the overuse of disinfectants may produce resistant bacteria that can further harm health and the environment.

    • Use a bacterial enzyme instead of a disinfectant to eliminate restroom odors caused by urine deposits on grouted floors and areas around toilets or urinals. Studies have shown that paradichlorobenzene (1,4 dichlorobenzene), a chemical compound found in some air fresheners, toilet-bowl cleaners/ cakes, mothballs and other deodorizing products, to be harmful to the lungs.
    • Use bleach (sodium hypochlorite) only if required by regulations, such as when there are infectious diseases or blood contamination.
    • Certain “touch points” such as door knobs, light switches, faucets, and toilet fixtures and food service areas of the school also require the use of disinfectants, however the use of quaternary ammonium compounds are preferable to phenols or chlorine in these cases.
    • Touch-free equipment such as paper dispensers and hand dryers can reduce the need for these disinfectants.
    • For most other situations, sanitizing with peroxide-based cleaning is sufficient when germ control is necessary.
    • Use only EPA registered disinfectants and always use according to the label.
  • Furniture Polish, Dusting Compounds, and Metal Polish
  • These products commonly include a wide variety of ingredients that can be harmful to human health and the environment. Ranging from solvents and ammonia to benzene (a proven carcinogen) they are almost all derived from petroleum. Petroleum is an increasingly scarce, non-renewable resource. These products can be replaced with plant-based, low odor, and naturally derived alternatives. Interestingly, on a day to day basis, there are more complaints from building occupants resulting from the use of these products than from anything else.

  • Drain Openers and Grease Trap Products
  • These products are frequently used to open clogged drains and grease traps in restrooms and kitchen areas. Drain openers are typically highly acidic or highly alkaline products at the extreme ends of the pH scale. They are very corrosive and will burn eyes and skin, resulting in serious and irreversible damage. Grease trap products are frequently solvents that can have serious environmental impacts. Alternatives are now available for these applications based on “biological” products using non-pathogenic (not harmful) microbes that are less harmful to human health and the environment.

  • Graffiti Remover
  • Graffiti Remover used to be formulated with chlorinated solvents (e.g., methylene chloride) before they were banned due to their environmental impact. Many graffiti removers are packaged in aerosol contains which often contain hydrocarbon propellants (e.g., propane, butane), which are highly flammable and can contribute to indoor air quality problems.

    • VOCs: Prefer those that have no or low VOC as compared to alternatives with higher levels. Consider detergent based products compared to those containing solvents.
    • Flashpoint: Prefer products that have a high flashpoint compared to those with a low flashpoint.
    • pH: Prefer those with a neutral pH (closer to 7) as compared to those with extreme pH (closer to 1 or 14)
    • More Preferable Ingredients: n-Methyl-2-Pyrolidone, d-Limonene, methyl esters (derived from soy).
    • Less Preferable Ingredients: methylene chloride, petroleum distillates, propane, butane, isobutene, and sodium hydroxide.
    • Consider soy or other biobased products
    • Move your mouse here for information on the implications for graffiti removal.
  • Gum Removers
  • Gum Removers used to be formulated with chlorinated solvents (e.g., freon) before they were banned due to their environmental impact. Dry ice and carbon dioxide are preferable replacements. Degreasers can be used in some situations (see section on General Degreasers).

    • VOCs: Prefer those that have no or low VOC as compared to alternatives with higher levels. Consider detergent based products compared to those containing solvents.
    • Flashpoint: Prefer products that have a high flashpoint compared to those with a low flashpoint.
    • pH: Prefer those with a neutral pH (closer to 7) as compared to those with extreme pH
    • (closer to 1 or 14)
    • More Preferable Ingredients: dry ice, carbon dioxide.
    • Less Preferable Ingredients: freon, dichloro-difluoromethane, trichloro-fluoromethane.
  • Lime & Scale
  • Lime & Scale Removers are acids because of the need to remove mineral deposits from sinks, bowls and urinals.

    • pH: Prefer those with a more neutral pH as compared to those with extreme pH (closer to 1). Environmentally preferable lime and scale removers may fall more in the range of pH 4 as compared to traditional products that may have a pH below 1.
    • More Preferable Ingredients: citric or acetic acid.
    • Less Preferable Ingredients: hydrochloric or phosphoric acid.
  • Floor Care Systems
  • Floor care should be considered as a system. The floor finish needs to match the stripper as well as the suggested cleaner and maintainer - if one is recommended. Significant environmental and health benefits can be achieved by implementing a floor-care program that reduces the frequency of burnishing, recoating, stripping and refinishing. Imagine not only the environmental and health benefits but also the cost savings in products and labor If stripping and recoating can be reduced from two times a year to annually or better yet once every two to three years.

  • Grout Cleaners
  • Environmentally preferable grout cleaners may be enzyme based or based on peroxide. Avoid using bleach when possible. See Choosing Green Equipment to learn about spray and vac and vapor equipment that are effective for cleaning grout.

Infection Control

Outbreaks of infectious diseases in schools often ignite a rush to purchase products aimed at creating a totally germ free school. It is important to remember green cleaning practices designed to protect health without harming the environment combined with good hygiene practices remain the most effective — and least dangerous — way to prevent both the spread of infectious disease and toxic exposures from harmful chemicals.

In some cases such as with blood borne pathogens or other bodily fluids, federal, state, and/or local regulations have specific cleaning and disinfecting requirements.

Disinfectants sold in the United States are considered to be pesticides and must be registered by the US Environmental Protection (US EPA) under the Federal Insecticide Fungicide and Rodenticide Act (FIFRA). Disinfectants all carry some toxicity since by definition they are designed to kill bacteria. EPA does not allow disinfectants to be third party certified by organizations like Green Seal, or Environmental Choice so there are a number of other attributes to consider when selecting a “Green” disinfectant.”

Choose less-toxic disinfectants
Some disinfectant ingredients like chlorine or phenolic compounds, have greater health and environmental risks compared to quaternary ammonium compounds (quats) and hydrogen peroxide, which would be less-toxic alternatives. EPA disinfectants are categorized according to their toxicity as follows and are required to display signal words as follows:

  • Category I- “Danger” Most toxic
  • Category II - “Warning”
  • Category III- “Caution” = the least toxic.
  • Category IV- not required to display signal words but may have “Caution” included on the label.

When purchasing disinfectants keep in mind that concentrates will frequently be more toxic than their Ready-to-Use counterparts, but the concentrates have the environmental benefit of less packaging and therefore less energy associated with transportation. The risk of worker exposure to concentrates can be minimized with closed system dilution controls.

Other considerations when you are purchasing disenfectants include:

  • pH: Some disinfectants have a pH at the extreme end of the spectrum (closer to 0 or 14), which typically makes them much more corrosive (causes burns) to eyes and skin. A greener alternative would be to select an alternative with a more neutral pH (closer to 7).
  • Fragrance: Many disinfectants have extremely strong fragrances that can cause respiratory irritation and trigger asthmatic episodes. If this is the case with the current product, a greener alternative would be to select a product with less fragrance.
  • Volatile Organic Compounds (VOCs): Some disinfectants include other ingredients such as solvents that can result in a high percentage of volatile organic compounds (VOCs) which, like fragrances, can cause respiratory irritation and trigger asthmatic episodes. In addition, VOCs contribute to environmental issues such as smog formation. A greener product would be one with no or low VOCs.
  • Other ingredients: Some disinfectants use 2-butoxyethanol as a solvent -- which is absorbed through the skin and can cause a host of health problems, including reproductive problems and attacks major organs.
  • The product must be registered for use for the target organism (i.e. CA - MRSA) In some cases you may need to check the label closely.

 

Back to STEP 1: Switch to Green Cleaning Products

 

Safety First

How can you tell what chemicals are in a cleaning product and if it is “safe?” Detailed information on the specific chemical content of a cleaning product and the hazards they present are listed on the Material Safety Data Sheets (MSDSs).

No cleaning product is 100% "safe." Even products that we call environmentally preferable still have some potential health hazard or impact. You can minimize the risk by choosing Green Cleaning products and always wearing personal protection as needed (i.e. gloves, goggles, etc.). For more guidance, see “Common Hazards in Janitorial Cleaning Products” under Resources and Tools.

 

 

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