Putting Brakes on Brake Pad Material

  • A new Washington state law bans heavy metals in brakes and requires phasing out copper that's contributing to water pollution and harming fish. (Photo courtesy of the US Fish and Wildlife Service)

States are considering laws to phase out a material used in brake pads on cars and trucks. Lester Graham reports… it’s contributing to water pollution that’s affecting fish.

Transcript

States are considering laws to phase out a material used in brake pads on cars and trucks. Lester Graham reports… it’s contributing to water pollution that’s affecting fish.

There’s a fair amount of copper in brake pads. Every time you put on the brakes… some of brake pad and the copper in it is worn off. It ends up on the pavement and eventually is washed into a stream or lake. That’s been causing some concern in the state of Washington where too much copper is hurting the salmon. A new state law bans heavy metals in brakes and requires phasing out copper.
Curt Augustine is with the Alliance of Automobile Manufacturers. He says they worked with lawmakers and environmentalists to come up with the plan. Other states might adopt it.

“Bills have been introduced in California and Rhode Island and likely similar bills will end up in some of the Great Lakes and Chesapeake Bay states.”

The Washington law calls for brakes to contain no more than five percent copper by 2021 and then consider using even less in later years.

For The Environment Report, I’m Lester Graham.

Related Links

E-85 Pumps Not Ul Safe

  • Gas station pumps and underground storage tanks are not yet UL certified to handle E-85. (Photo by Lester Graham)

With thousands of flex-fuel vehicles hitting the road, gas stations are adding E-85 to
their fuels. E-85 is 85 percent ethanol and 15 percent gasoline. But, as Lester
Graham reports, storing and pumping E-85 fuel is a major concern because, so far,
no equipment has been certified as safe to handle it:

Transcript

With thousands of flex-fuel vehicles hitting the road, gas stations are adding E-85 to
their fuels. E-85 is 85 percent ethanol and 15 percent gasoline. But, as Lester
Graham reports, storing and pumping E-85 fuel is a major concern because, so far,
no equipment has been certified as safe to handle it:


The Department of Energy’s Handbook for Handling, Storing, and Dispensing E-85
warns, “certain materials commonly used with gasoline are totally incompatible with
alcohols.” Other government guidelines give detailed instructions about storing E-85
in underground storage tanks and the pumps people use to fill their vehicles. But,
with more and more filling stations adding E-85 pumps, not everyone is following the
instructions and warnings.


Brad Hoffman is with the nation’s largest underground storage tank service
company, Tanknology. The company inspects gas station distribution systems:


“I think they pretty much just took for granted that their tank could store whatever
fuel they put into it and they didn’t really check the compatibility of the tank and the
other piping and dispensing equipment. They didn’t really confirm that it was
compatible with the E-85 that was being delivered.”


And some of the fiberglass underground storage tanks are not compatible. Ethanol
can soften the polymers in certain tanks. That can make them weaker and might
cause them to leak. There’s also concern that leak detection equipment might also
be damaged by ethanol. So if a tank is leaking, it might go undetected. And it’s not
just the tanks. There are questions about compatibility with the pumps filling flex-fuel
vehicles.


The ethanol industry says there have been no major problems with tanks or pumps
so far. Matt Hartwig is with the Renewable Fuels Association:


“Most gas station operators will use tanks that are appropriate. They will clean the
tanks. They would do the proper maintenance and the proper preparation required
to install E-85 infrastructure. Because of the nature of ethanol, you do need a
dedicated tank and pump system to dispense the fuel. I don’t think consumers and
the American driver have anything to fear.”


But fuel tank and gas pump inspectors are not as sure. Brad Hoffman with
Tanknology says government guidelines give checklists of recommendations on how
to prepare tanks and pumping systems:


“Being realistic, I think there’s a chance that some marketers may, you know, for
whatever reason, may not thoroughly check each of those items. And there could be
some problems, either with the tanks or the dispensing systems.”


Problems that could cause leaks.


Underwriters Laboratories is the safety testing organization that certifies the safety of equipment storing and pumping fuels. John Drengenberg is with
UL. He says it was only last year that a manufacturer asked for requirements for equipment handling E-85. Drengenberg says old gasoline equipment might not
be safe to pump E-85:


“The alcohol is different in that it’s much more corrosive. We know for a fact that
alcohol will attack soft metals, in particular aluminum and copper, things of that type,
and even plastics. So, therefore, what worked for gasoline dispensers, may not work
for ethanol dispensers.”


Drengenberg says gaskets, seals, and o-rings in the pump, hose or handle could
deteriorate and mean leaking fuel at the pump:


“With this type of fuel, ethanol, we’re mostly worried about fire hazards. If there is a
leak – let’s say for some reason ethanol attacked a gasket or a seal on a dispenser,
you could have a fuel leak – the fuel leak could be very dangerous in that any spark
could set it off. You could have a fire or possibly an explosion. So, that is the
concern that we have, certainly. And that is why we’re developing requirements for
these ethanol dispensers.”


UL expects to issue requirements for equipment by the end of the year. In the
meantime, whether the tanks and pumps offering E-85 at your gas station are safe is
up to the judgment of the local fire chief, fire marshal, or other local official.


For the Environment Report, this is Lester Graham.

Related Links

E-Waste Polluting Overseas

  • Exposed to toxic chemicals such as lead and mercury, workers stay at the scrap yards for the $130-a-month pay. (photo by Ted Land)

At your home, chances are your TV, computer and other electronic gear were made
overseas. That’s because it’s cheaper to make them there. And it’s cheaper to get rid of old
electronics overseas. Someday, your old cell phone or CD player might end up right back
where it started: in China. Ted Land visited a Chinese city where electronic waste, or e-waste, is shipped by the thousands of tons. Pollution from that waste is threatening the
health of people who live there:

Transcript

At your home, chances are your TV, computer and other electronic gear were made
overseas. That’s because it’s cheaper to make them there. And it’s cheaper to get rid of old
electronics overseas. Someday, your old cell phone or CD player might end up right back
where it started: in China. Ted Land visited a Chinese city where electronic waste , or e-
waste, is shipped by the thousands of tons. Pollution from that waste is threatening the
health of people who live there:


The city of Taizhou is in eastern China. It’s an industrial port city. A lot of the people
who travel here are here on business. Ships loaded with new products are often headed
for the United States. But it’s not just what leaves this city that makes business boom…
it’s also what’s coming in:


“I know it’s polluted here but it’s not a big deal. The most important thing is my
children, that’s the reason why I found work here.”


Liu Qinzhen works at this Taizhou scrap plant. It’s the final stop for some of the nearly
4,000 tons of scrap and e-waste that enters the port each day. Liu is one of hundreds of
workers who squat under an outdoor pavilion picking apart old circuit boards and wires.
She works 9 hours a day, 7 days a week, earning about 130 dollars a month.


The work is dangerous. She and the other workers are exposed to harmful chemicals
from e-waste such as lead and mercury. The 23-year-old moved here for this job because
she needed to support her two kids:


“I used to work in a shoe factory but then I had a baby and it’s not convenient to have a
baby there so I moved here even though the pay is the same. I come from the countryside.
You can’t earn money on a farm.”


The plant where she works is considered safer than scrapping these materials in the
countryside where families work in their front yards and in their homes. They melt
circuit boards and burn wires to extract bits of valuable copper and gold.


Environmental organizations have documented evidence that what’s left over after the
valuable metals are retrieved is dumped into local rivers and streams:


(Land:) “I noticed when we arrived they shut down the other door of that other shop?


“They are doing the same kind of e-waste, but they are afraid of being discovered by
others.”


Afraid, says Taizhou resident Chen Yijun because what they’re doing is illegal. Chinese
law forbids the import of e-waste, yet piles of foreign electronics litter the countryside
and pour into scrap plants daily.


Yijun is a teacher at Taizhou #1 High School, where students are concerned about what
the e-waste industry is doing to their environment. They’ve been testing the water in
local streams, looking for signs of harmful chemicals:


On this day they draw several gallons from a stream. The banks are littered with piles of
electrical cable. Chen Zhengyan has been working on the project for years:


“The frogs here are different from frogs in other places because sometimes they have
extra limbs. We are sure the pollution is from e-waste because in this area there is no
other industry.”


Chen and her colleagues say this pollution is harmful to people, too. They tell local
government officials such as Liang Xiaoyong that something has to be done to improve
the situation. But, Liang says there’s only so much the government can do to combat an
illegal industry that so many residents make their living off of. He says cutting off the
imports is difficult because sometimes e-waste is hidden in with other scrap. He doesn’t
deny the waste industry is a big business here:


This industry generates a lot of tax money for us in the form of tariffs. So, if this industry
doesn’t exist, the Taizhou harbor won’t survive.


Jim Puckett is coordinator of the Basel Action Network, a Seattle based group that
confronts toxic trade issues around the world. He says it’s not that the Chinese
government is unwilling to stop imports, it’s simply unable to stop them.


“They’ve banned the import, the problem is they can’t control that flow, it’s just coming at
them container load after container load through various ports and they can’t possibly check every
single one.”


American waste is literally fueling the fires burning electronics that dot the countryside in
China. And many of the original owners of this gear had taken it to be recycled, and
thought they’d done the right thing. But, often it ends up on a ship, headed for scrap
yards overseas.


About seven thousand miles away from Taizhou, practically the other side of the globe,
there’s a warehouse in Springfield, Illinois stacked with old electronic gear.


The Illinois State Department of Central Management Services, or CMS, disposes of old
state property, including old copy machines, computers, and monitors. In 2005, CMS
was contacted by the Basel Action Network with some disturbing information. The
group was finding State of Illinois computers dumped in developing countries around the
world. Curtis Howard is manager of CMS state and federal surplus property:


“It hit me pretty hard, the fact that, not realizing, you know I always look at it, these guys
were here, they come in, they bid on our property, you know I’m maximizing the return on
the state’s investment, I’m doing a good job, I never really thought about the tail end of
the dragon.”


Basel Action Network coordinator Jim Puckett says if the Chinese are unable to stop the
imports, then it’s up to the United States to control what they export:


Other countries have laws forbidding it, laws controlling it, but in the United States, we
don’t even have a law to control this export.


The U.S. is one of only a handful of countries that have not signed and ratified the Basel
Convention, an international treaty that bans hazardous waste exports. That means if
anything is going to be done to stop electronic waste from polluting countries overseas,
it’s going to be up to the States to take action.


It starts with buying electronics from companies that make products that are more easily
recycled, and ends with making sure old electronic gear is getting into the hands of
responsible recyclers who don’t simply ship the e-waste to scrap yards overseas.


For the Environment Report, I’m Ted Land.

Related Links

Coaster Brook Trout an Endangered Species?

A group of private landowners recently asked for help from the federal government to stop what they say is a threat to a rare fish in the region. The GLRC’s Gretchen Millich reports:

Transcript

A group of private landowners recently asked for help from the federal
government to stop what they say is a threat to a rare fish in the region.
The GLRC’s Gretchen Millich reports:


The Huron Mountain Club, along with the Sierra Club, claims a
proposed mine in Michigan’s Upper Peninsula would pollute the only
remaining spawning grounds of the Coaster Brook Trout. They’ve asked
the U.S. Fish and Wildlife Service to declare the Coaster Brook Trout
endangered.


Peter Dykema is a spokesperson for the Huron Mountain Club. He says
the fish was once abundant, but now spawns in only one stream.


“150 years ago, it was one of the most celebrated game fish in America.
It is one of the most beautiful animals you’d ever see and we believe it
will be possible to restore that fish, if not to its original abundance to
considerably greater abundance than we now have.”


Kennecott Eagle Minerals Company wants to dig for nickel and copper
underneath the Coaster Brook Trout’s spawning grounds. Dykema says
an endangered listing would require the company to make sure their
mining activities don’t harm the fish.


For GLRC, this is Gretchen Millich.

Related Links

Ten Threats: Rethinking Urban Runoff

  • Everybody's got a gutter... and they're part of the urban runoff problem. Rain picks up dirty soot and other chemicals from roofs and heads into the gutter. During storms, the dirty water rushes down the gutters and down streets into storm drains... and can pollute beaches, drinking water and wildlife habitat. (Photo by Shawn Allee)

One of the ten threats to the Great Lakes identified by experts across the region is nonpoint
source runoff. It’s a catchall category for pollution that’s not being spewed from one identifiable
source. The federal government’s finding that rain washing off concrete and asphalt in cities and
suburbs poses as big a threat to the Great Lakes as waste coming out of a factory pipe. Shawn
Allee has a look at the government’s effort to cut water pollution by remaking the urban
landscape:

Transcript

We’re continuing our series on Ten Threats to the Great Lakes. The Great Lakes Radio
Consortium’s Lester Graham is our guide through the series. Today a look at a broad problem
with no simple solution:


One of the ten threats to the Great Lakes identified by experts across the region is nonpoint
source runoff. It’s a catchall category for pollution that’s not being spewed from one identifiable
source. The federal government’s finding that rain washing off concrete and asphalt in cities and
suburbs poses as big a threat to the Great Lakes as waste coming out of a factory pipe. Shawn
Allee has a look at the government’s effort to cut water pollution by remaking the urban
landscape:


(rain running into a sewer)


Water from a rain gutter is pouring into a nearby storm sewer drain. That protects property from
water damage and flooding. But at the same time, they pose an environmental problem for the
Great Lakes.


Roofs, streets and parking lots are made of hard materials like concrete or asphalt. During
storms, rain rushes off these surfaces into storm drains.


The problem is this: the runoff isn’t pure.


Brian Bell’s a storm water expert with the Environmental Protection Agency. He says rain picks
up pollutants on all those roofs and streets, things such as:


“Antifreeze from cars, motor oil, brake fluid, copper from the brake pads, cigarette butts from
trash, household hazardous waste, pesticides that may be overapplied.”


And for most sewer systems, that’s not the worst of it.


“The problem with storm water is, once its mobilized and goes into a storm sewer system, that
system does not treat the waste, so all of those things go to the local waterway untreated.”


In this region, runoff flows into the Great Lakes, where it pollutes beaches, drinking water, and
wildlife habitat.


To fight this, the EPA’s trying something new. It wants to make hard, urban landscapes softer.
The idea’s to replace concrete and asphalt with more soil and plants. That way, water can sink
into the ground and stay out of storm drains.


But how do you do that?


Well, the EPA’s working with places like the Chicago Center for Green Technology to show people
how. The city hopes residents and developers will use what they see here in their own projects.


(city sounds in)


Grace Troccolo’s guiding a tour of the facility.


First stop?


“Our parking lot is slightly pitched, so all of our rainwater flows off into these vegetated bioswales,
which when I’m not with people in the business, I call ‘ditch with plants.'”

The plants aren’t typical bushes or flowers. They’re mostly tall, prairie grasses native to the
Midwest. Their roots help water seep deep into the ground. The Center has several bio-swales,
and they all keep runoff on site and in the ground.


Another stop on the tour is a 40-foot section of the building’s roof. It’s covered with a matt of
short, tangled creeping plants. Grace explains why they’re here.


“So here we are at our green roof. Again, getting back to our issue of storm water management,
the city would like to see more vegetated surfaces and of course, in the city like Chicago there are
a lot of roof surfaces and so this section of the roof is designed to hold all of the rainwater that
falls on it during a one-inch storm.”


Again, the roof’s vegetation retains water and keeps it out of storm drains. Because of these
technologies, the building is an urban runoff success story.


All told, the Center releases less than half as much water to storm drains as similar buildings do.


The EPA wants the average home or business owner to follow suit, but price might keep that from
happening. Green roofs, for example, are more expensive than conventional ones.


But some observers say the biggest obstacles in fighting urban runoff are political. Stephen
Bocking teaches environmental policy at Trent University. He says the public’s used to pointing
fingers at a handful of big, industrial polluters.


People just aren’t used to seeing every house and business as a source of pollution.


“It’s much more difficult to deal with the problem when you’re talking about millions of separate
sources. People can’t just say well, it’s the job of industry or the job of the government to deal with
it. It’s the job of everyone to deal with it in some way.”


In other words, we’re all to blame.


Every new building in a city, or home in a subdivision, creates more hard surfaces, such as new
driveways, new parking lots and new roofs.


“It’s pretty hard to deal with a form of development which is intrinsic to our way of life. It involves
thinking about how we live our lives and how design and build our cities.”


Bocking says the EPA’s plan might not be enough to make up for all the roads and other hard
surfaces we’re building. He says, to succeed, we’ll need to change how we develop land.


There’s not much political support to stop that kind of development right now, so for the time
being, hard surfaces will continue to win out.


For the GLRC, I’m Shawn Allee.

Related Links

New Mining Operation Worries Neighbors

  • Resistance to the proposed sulfide mine project is strong in Big Bay, Michigan. It's the largest town (population 500) near the area. (Photo by Chris McCarus)

A multinational mining company is planning to mine for nickel near the shore of Lake Superior. But some mining experts and the community don’t want the mine to be built. They say there’s no way to make sure the mine won’t damage the environment. The Great Lakes Radio Consortium’s Chris McCarus reports:

Transcript

A multinational mining company is planning to mine for nickel near the shore of Lake Superior. But some mining experts and the community don’t want the mine to be built. They say there’s no way to make sure the mine won’t damage the environment. The Great Lakes Radio Consortium’s Chris McCarus reports.


The price of nickel has tripled in recent years. It’s needed for electronic produces such as computers. It’s used to produce cars. And nickel is even used in air pollution control equipment. If it’s approved, this would be North America’s only active nickel mine.


Kennecott Minerals Corporation says it’ll mean 120 jobs for local workers over a 10-year period. The state of Michigan has been lagging behind the rest of the nation in job recovery and in the northern reaches of the state good jobs are really hard to find.


The mine will cost 100 million dollars to set up. But the value of the nickel ore in the ground is somewhere between one and three billion dollars. So the company could make hundreds of millions in profit.


Scientists and activists say that this nickel mine could be even worse than the iron and copper mines of the past.


That’s because it would require mining through sulfide minerals. When they mix with water and oxygen, they can become sulfuric acid, just like battery acid. The industry calls the problem acid mine drainage. It can kill fish and wildlife and pollute water.


Michelle Halle is a lawyer for the National
Wildlife Federation and a local resident. She’s got one question.


“I’m always interested in the answer to the question about whether he believes that a mine can exist with 100% perfect track record.”


It’s a rhetorical question. She’s confident that the company won’t be able to meet the newer, stricter standards for getting a permit to mine.


“No human error, no design flaws, no natural disasters that are going to cause an impact… I don’t think that any company can say yes to that honestly.”


The mining company says there’s always some risk. John Cherry works for Kennecott Minerals Corporation. Cherry insists the company’s design is the best, and the safest. Although he says it’s impossible to guarantee against accidents at the mine.


“We can get in a crash on the way home today too. You design it with a safety factor built into your design. You have a very robust design. That’s your first step. You make your system as structurally competent as you can. Make it as bulletproof as you can.”


Cherry says the next steps are to install a monitoring system to detect the smallest problems. And if there are any problems, the mine will have a contingency plan with the right materials and properly trained people on hand.


State law requires the company to pay all of its accident insurance up front. They can’t just pay in installments. That way, the company will pay to clean up any mess, not the state or the community. Minnesota has a similar law. And In Wisconsin, People Against Mining got the state to establish a moratorium on sulfide mining


David Chambers used to work as a geologist for a mining company. And now he works for the Center for Science in Public Participation. He says, at the nickel mine planned in Michigan, groundwater contamination is possible and would be dangerous.


“Probably the most likely event is an accidental release from the mine. All mines have problems. It’s likely that somebody won’t turn a valve the right way or a big storm comes and there’s an overflow.”


Chambers says a mine collapse would be the most destructive. But, he says, even for the accidents that will not devastate the environment, the company and the community should plan, because they will happen.


(Sound of trucks)


On the road leading into the wilderness area where the mine would operate, local road crews are doing routine maintenance. Right now, most people who use the road are hikers, kayakers and fishermen. The pristine waters of Lake Superior and surrounding lakes and streams attract them here.


Kristy Mills is a store owner. She thinks a sulfide mine would only mean heavier traffic of trucks carrying away nickel ore. She says it wouldn’t bring in the tourist dollars the area needs.


“We don’t like to see that kind of growth. I think it’s a poor way of investing into our future. You know, we need to encourage tourism and visitation, not mining and hauling ore around in big trucks. It’s gonna be interesting.”


Many local residents and environmental activists feel the area should have learned lessons from the region’s past mining heritage. The precious ore is removed. People somewhere else get rich. And the legacy of pollution is all that remains when the mines are closed. So now, they’re hoping if it comes, this mine will be different.


For the GLRC, I’m Chris McCarus.

Related Links

New Drinking Water Rules Proposed

Federal plans to reduce exposure to lead and copper in drinking water could mean more monitoring of public water supplies. The Great Lakes Radio Consortium’s Chuck Quirmbach reports:

Transcript

Federal plans to reduce exposure to lead and copper in drinking water could mean more
monitoring of water from public water supplies. The Great Lakes Radio Consortium’s Chuck
Quirmbach reports:


The U.S. EPA says a lead contamination problem in the District of Columbia will prompt several
changes to federal rules on lead and copper in the nation’s drinking water supply. David Denig-
Chakroff is on a committee of the American Water Works Association that looks at lead
contamination. He says one of the biggest changes might be more monitoring of water when
local suppliers change water sources or the treatment process.


“They really need to go back and make sure that’s not changing the corrosivity of the water and
potentially increasing lead or copper corrosion.”


More corrosion from the pipes can lead to more lead and copper coming out of the tap. Lead can
build up in the brain, kidneys and red blood cells. The greatest risk is to young children and
pregnant women. The EPA says its formal proposals for updating the lead and copper rule will
be ready next year.


For the GLRC, I’m Chuck Quirmbach.

Related Links

China to Stop Imports of Junk Electronics

  • What happens to electronics when people don't want them anymore? The economics and environmental impact of e-waste disposal weighs heavily on minds all over the globe. (Photo by Michael Manger)

China is banning the import of scrap electronics. That eliminates one place where some U.S. companies were selling broken computers and electronic junk under the guise of “recycling.” The Great Lakes Radio Consortium’s Lester Graham reports:

Transcript

China is banning the import of scrap electronics. That eliminates one place where some U-S companies were selling broken computers and electronic junk under the guise of “recycling.” The Great Lakes Radio Consortium’s Lester Graham reports:


Each year, more than 60-million desktop computers are taken out of service in the U.S. About 85-percent of them end up in landfills. But some people take their old computers, electronics and appliances to be recycled. Unfortunately, that sometimes simply means being shipped to China and other Asian countries where the electronic gear is burned to retrieve the metal such as copper and steel. Burning the electronic gear releases all kinds of toxic chemicals. Now, China’s main English language newspaper, CHINAdaily, reports the government there is banning the imports of scrap electronic goods. The newspaper reports this marks a change in the Chinese government’s policy of always putting economic conerns in front of less tangible needs such as the environment.


For the Great Lakes Radio Consortium, this is Lester Graham.

Related Links

Thieves Pry Steel From City Streets

High prices being paid for scrap metal have some thieves taking the recycling ethic too far. The Great Lakes Radio Consortium’s Chuck Quirmbach reports:

Transcript

High prices being paid for scrap metal have some thieves taking the recycling ethic too far. The
Great Lakes Radio Consortium’s Chuck Quirmbach reports:


There’s a bidding war between U.S. and Chinese firms for scrap metal. But it’s not just honest
people who are getting up to 300-hundred dollars per ton for material like scrap steel. Some
communities report that thieves are stealing sewer covers and sewer grates and getting cash from
metal recyclers who look the other way. In Milwaukee, more than 160 grates have been stolen
just this year.


Marty Forman runs a Milwaukee scrap recycling company. He deplores the
thefts, but says it’s impossible to trace altered metal.


“Metal has no memory. Once you melt metal, it doesn’t remember who it used to be. It’s just
copper, it’s just steel, it’s just brass.”


Forman predicts scrap metal prices will drop by the end of the summer. But in the meantime, he
urges scrap recyclers to work with police and give thieves a cold shoulder when they bring in hot
and heavy metal.


For the Great Lakes Radio Consortium, I’m Chuck Quirmbach.

A ROAD SALT SUBSTITUTE? (Short Version)

  • Road salt spread on the streets of Ann Arbor, MI has a corrosive effect on this sewer grate. Many cities and states are looking for a less damaging, and more environmentally sensitive alternative to road salt.

Many highway departments in the Midwest are looking into alternative ways to remove snow and ice from streets. The Great Lakes Radio Consortium’s Jonathan Ahl reports:

Transcript

Many highway departments in the Midwest are looking into alternative ways to remove
snow and ice from streets. The Great Lakes Radio Consortium’s Jonathan Ahl reports:


Most states and cities use rock salt and Calcium Chloride to keep streets from becoming
slippery and dangerous, but several companies are marketing additives to salt that they
say are just as effective, but do not include many of the pollutants that come from salt.
Graig Phelps is with Natural Solutions, a company that makes one of the additives:


“There’s a definite move to limit the nutrients that are applied through snow and
ice control. Phosphorus, copper, zinc, irons, and your heavy metals, which also have a
tendency to accumulate.”


Phelps says in addition to reducing pollutants, the additives also cut down on wear and
tear of streets and trucks because the bio-based products are non-corrosive. While the
use of the corn-based de-icers is on the rise, many cities say they have to wait until the
price comes down before converting to the new products. For the Great Lakes Radio
Consortium, I’m Jonathan Ahl.