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MAINTENANCE
Alternatives to Green Cleaners
In 2005, a study was conducted at a hospital facility in
Massachusetts to investigate the ecological, health, and
safety (EHS) benefits of eight different bio-based floor
care strippers compared to a popular, non- Green stripper
made by a major manufacturer. To determine the EHS benefits
of the bio-based cleaners, the researchers referenced the
material safety data sheets (MSDS) and had the products
analyzed by an independent laboratory to determine if and
how many volatile organic compounds the products contained
or released when used, their pH values, their potential for
harming worker and building occupant health and the
environment, flammability, and other factors.

Some experts believe as many as 80% of all future cleaning
products will be Green
certified cleaners, including bio- or oxygenbased cleaners
to help reduce cleaning’s
impact on human health and the environment—which is good for
everyone.
Researchers
developed a scoring system including values they believed
would indicate a product had a reduced impact on the
environment. They found that all eight of the biobased
products in the study were within the “reduced impact”
parameters, especially when compared to the conventional
floor care stripper. The bio-based products were also tested
to determine their “solvent value,” which provides an
indication of how well they would perform.
As the results were tabulated, there were some surprises:
• All eight of the bio-based strippers had higher EHS scores
than the conventional stripper. The higher the score, the
less impact on the environment.
• One bio-based product had an EHS score of 49 out of a
possible 50.
• The well-known conventional stripper had an EHS score of
26.
• The average score of all the bio-based strippers was 37,
11 points higher (safer for the environment) than the
conventional stripper.
• Finally, the researchers concluded that all of the
bio-based products performed as well as or better than the
conventional stripper.
The only area where the conventional stripper surpassed the
bio-based cleaners was in price. The costs to use the
bio-based strippers (full strength as well as mixed with
three parts water to one part chemical) varied, but at least
one was as much as five times the cost of the conventional
product.
However, the researchers reported that because of the
reduced environmental impact of the bio-based cleaners,
there would likely be no disposal or recycling fees, which
would probably be applicable to the conventional stripper.
Evaluating all of the cost variables, the researchers
concluded that the use of certain biobased strippers “could
be costeffective in the long run.” In addition, it is
possible the prices of some of the products have come down
since the test was conducted, reflecting the fact that the
costs of many environmentally preferable chemicals have been
lowered in recent years.
First Stop: Definition of Terms
Before exploring the benefits of safer alternatives to
conventional cleaning chemicals such as bio- renewable,
bio-enzymatic, oxygen-based, and similar products, we must
clarify some issues and define some terms. These products
are not made from petroleum products and do not contain
traditional butyl- based chemicals, as do many conventional
cleaning products, but instead are derived from renewable,
sustainable, and low-environmental- impact resources.
Bio-renewable based products are composed in whole or in
significant part of renewable domestic agricultural
materials, and/or forestry materials, according to the
United States Department of Agriculture.
Cost Issues
Although some bio-based, oxygen-based, and
hydrogen peroxide cleaners can cost a little
more, they still can be cost effective in the
long run. According to one report, some cleaning
professionals using hydrogen peroxide-type
cleaning products have significantly cut costs
for cleaning chemicals by replacing up to 37
different conventional products with just three
or four hydrogen-peroxide based cleaners.
Additional savings, according to the report,
were realized because hydrogen peroxide cleaners
typically are safer to surfaces such as
desktops, white boards, and upholstery. |
One of the most
common ingredients used in bio-renewable based cleaning
products is citrus. Citrus based products are now available
for carpet spotting; removing grease, grime, and gum; and
cleaning and polishing stainless steel, porcelain, and other
surfaces. Depending on how it is diluted, many citrus
concentrate cleaners now available are actually an all
purpose- type cleaner that can also be used as a glass,
light duty cleaner, general purpose cleaner, degreaser, as
an odor eliminator, tile and grout cleaner, carpet
extraction cleaner, and spotter, and for mopping floors.
When discussing oxygen-based cleaners, which are also
considered safer alternatives to conventional cleaners, we
are usually referencing hydrogen peroxide–based cleaners.
Surfactants or detergents, and occasionally citrus, are
added to the hydrogen peroxide to help it penetrate the
surface to be cleaned and reach embedded soils. When the
cleaner comes into contact with the soils, the hydrogen
peroxide releases oxygen to boost the cleaning power of the
surfactants and other ingredients.
In addition to bio-renewable and oxygen-based cleaning
chemicals, there are others:
• Enzyme and bacteria based cleaners are formulated with
strains of live bacteria and enzymes. They can be used to
clean surfaces and with repeated use, remove the bacteria
that cause malodors such as urine in carpets and
tiles/grout, grease on floors and to remove clogs and keep
pipes clean and deodorized.
• Soy-based products are an example of a bio-renewable base
and contain methyl soyate, a petrochemical replacement
derived from soybean oil, which is blended with a
water-rinsing surfactant. Soy products usually cannot “pull”
stains out of a surface but are used as degreasers and
solvents to remove surface coatings, soap scum, and grease.
Benefits and Pitfalls
There are several benefits to bio and oxygen-based cleaning
products. In different dilution ratios, many are able to
safely and effectively clean most surfaces and are
comparable to the conventional cleaners they replace. This
also helps cleaning professionals because it allows them to
use just one product for a variety of cleaning tasks instead
of many different chemicals and products.
Another key benefit of most of these bio- and oxygen-based
cleaners is that they have a reduced impact on the
environment, as was found in the Massachusetts hospital
study mentioned earlier. Educational facilities have shown
some of the greatest demand for these products, especially
oxygen-based cleaners, because if used properly, they are
safe to use around young children. Further, although the
earlier study found them more costly, bio- and oxygen-based
products are now considered cost competitive with
conventional products.
However, the big pitfall facility managers will encounter
with many of these products is that some are marketed as
“Green” yet are not certified by any independent or
recognized Green certification organization. This means,
they may still contain ingredients that might be harmful to
the user, building occupants and the environment.
For a facility that wants to implement a certified-Green
cleaning program using only independently tested and
certified environmentally preferable cleaning products or
one that is seeking LEED (Leadership in Energy and
Environmental Design) certification, simply being bio-and
oxygen-based products may not be acceptable.
Green Seal® and EcoLogo™, two of the leading certification
bodies recognized in North America, both have criteria for
Green certifying oxygen-based and biorenewable- based
products; and EcoLogo has criteria for bio-enzymatic
cleaners. If certified, they will bear the logo/markings of
one or both of these organizations.
Additionally, the performance levels of bio- and oxygen-
based cleaners can vary—sometimes significantly. Facility
managers or cleaning professionals selecting these cleaners
may need to test many different products until they find
those that meet their cleaning needs. A knowledgeable
janitorial distributor can help significantly but will also
likely suggest trying out a variety of products before
making a final selection.
The best thing about all of these products, whether they are
bio- or oxygen-based cleaners, Green certified, is that they
are indicators that more and more cleaning chemicals are
coming to the market that have a reduced impact on the
environment and are healthier for users as well as building
occupants. Just five years ago, this was certainly not the
case, and five years from now, there will likely be even
more of these healthier products. In fact, some experts
believe as many as 80 percent of all future cleaning
products will be Green certified cleaners, including bio- or
oxygen-based cleaners to help reduce cleaning’s impact on
human health and the environment— which is good for
everyone.
Mike Sawchuk has been involved with the jansan industry
for more than 15 years. He is currently vice president and
general manager of Enviro-Solutions, a leading manufacturer
of certified-Green cleaning chemicals, based in Ontario,
Canada. Sawchuk has developed and implemented various
strategic programs in the professional cleaning industry
throughout North America. His career has spanned various
sales, marketing, and operations positions with both large
and small manufacturers, as well as distributors. Sawchuk is
recognized as an expert on Green cleaning chemicals and
systems.
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