Dust Control – Soil Stabilization – Erosion Control

Archive for the ‘Dust Suppression’ Category

During summer, having an air conditioner outdoor may be relaxing for family members. In Middle of Summer, many people don’t like to stay outdoors as sweat keeps rolling down their face and skin. Misting systems can improve your outdoor and lifestyle! Do you want to spend more time out by the pool? Your patio or outdoor space can be cooled quickly by as much as 35 degrees due to misting systems. Buying a misting system can be very effective for people as they can sit in their backyard for long hours and have fun. Misting system are big, industrial-looking fans that spray a misty stream of water on your body.

Misting systems can be effective for other purposes like frost protection, air filtration, dust abatement, odor removal, fire and smoke control and more. Certain industries like restaurants, poultry and dairy farms, zoos and amusement parks, golf courses, tennis courts, metal forging etc it use it.

Different types of misting systems:

High Pressure misting systems:

High pressure systems are chosen for applications where maximum cooling is needed. These applications would include residential areas, restaurants, amusement parks, sports stadium, hotels and resorts. Other benefits include they can control odors and dust and used to add humidity to a green house or other environments. High pressure systems are also used for fire and smoke control, frost protection and visual effects in a pool, garden or other areas.

Patio water misters:

Patio misting systems are effective in dry and desert climates which add therapeutic moisture to the air. Benefits of this misting system are they can cool the environment and reduce dust, pollen and other airborne pollutants. In addition, it can reduce the temperature in a given area by up to 30 degrees. To achieve maximum cooling result, it is advisable that customers install their patio misting systems at least 10 feet off the ground. Depending on the usage, it is important that you remove the nozzles to clean them. In most cases, this should be done every few months.

Fog Misting Systems:

Before purchasing a fog misting system, carefully evaluate the product. Look for a UL Listing and a CE certification. Ask for quite operation, low maintenance and long life. Make sure that the product you purchase is manufactured from a reputable company which has at least 10 years of experience in the industry and always ask for product warranty. This product is used in backyard patios as well as large commercial venues such as restaurants, hotels, resorts or amusement parks.

Benefits:

1. One biggest advantage is that air temperature can drop drastically by up to 35 degrees F.

2. Second advantage is that mist keeps flying insects like mosquitoes, flies, wasps, hornets and spiders away from the area. Mist can also clean the surrounding area away from dust, smoke, pollution and other common pollutants.

3. Third benefit is pets can spend time with you in the mist area as they also get hot.

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Mesa County and the city of Grand Junction are collaborating with state health officials to monitor and control dust that can whip up blinding storms in the spring and pose an unhealthy nuisance for residents.

County commissioners adopted an agreement Monday with the city and the state’s Air Quality Control Division that officials say should help protect the public and reduce the chances that the Grand Valley violates federal air-quality standards when it comes to dust pollution.

Local and state officials are trying to address elevated air dust levels in the valley that exceed the federal particulate matter standard known as PM10, as well as determine whether increased levels are created here or outside the area.

The federal government allows Mesa County to exceed the PM10 standard three times in a three-year period. If the standard is exceeded a fourth time, the state and local governments have to develop a plan to bring the valley’s air quality back into compliance.

Mike Brygger, county air quality specialist, said the county exceeded the PM10 standard three times in 2005 but not once since.

“We haven’t exceeded that standard in the last couple of years, but there’s always the potential to have a bad year,” he said.

Local officials aren’t just watching for elevated levels of dust. They’re also looking to see where the dust comes from.

That’s important because if air monitors register particulate sizes that violate federal standards, but those particulates came from a dust storm that blew in from outside the valley, local officials can claim the elevated levels were beyond their control. They can then petition the Environmental Protection Agency to remove the incident from a federal database and not have it count as a strike against the county.

For example, Brygger said, two of the PM10 standard violations in 2005 were the result of regional, not local, dust.

The agreement between the state, county and city reinforces dust-control measures already in place.

For the first time, it also brings in another agency to notify the public when high levels of dust are in the air.

Beginning this spring, the National Weather Service will issue blowing dust and public health advisories as necessary, advising elderly and citizens with breathing problems to stay indoors and people in general not to exercise outside.

The agreement also requires the city and county to review the effectiveness of their dust-control measures and implement any necessary modifications every two years.

Neighbors of a [local,neighboring,neighborhood,community,district,regional,area] [quarry,pit,mine,excavation] and [wildlife,nature,animals] [refuge,safe haven,sanctuary,shelter,harbor] [could,might,may well,may perhaps,may possibly] get [some,a little] [relief,reprieve,liberation] [soon,quickly,shortly] from dust [and,in addition to,as well as,along with] flooding issues.

The [County,Region,District] Board [recently,of late,a short time ago] [approved,accepted] amendments to a [special,extraordinary,unusual]-use [permit,license,certificate,authorization] for the [partnership,company,business,firm,corporation,enterprise,organization,joint venture] of the McGraw Wildlife Foundation and Beverly Materials’ 350-acre gravel [quarry,pit,mine,excavation] east of Route 25 and south of Route 72. [Included,Incorporated,Integrated] in the amendments are [stipulations,conditions,terms,provisos,provisions] that [would,could] [require,necessitate,entail,call for] the [creation,formation,making,construction,establishment] of berms to help [mitigate,alleviate,lessen,ease] flooding, and [implementation,execution] of a dust control [plan,arrangement,strategy,proposal].

Board [member,associate,associate,affiliate] John Fahy, R-West Dundee, [said,alleged,held,believed] [residents,people] in his [district,area,locality,region] are [pleased,satisfied,happy,content,contented] with the [changes,transformations]. A [public,community,civic,municipal] [hearing,trial,inquiry,investigation] was held [recently,of late,a short time ago] in Carpentersville on the [matter,subject,topic,theme,issue].

"While the [residents,people,inhabitants] [might,may] not be [happy,pleased,glad,joyful,cheerful] that there is a mining [operation,business,company,company,venture,undertaking,outfit], they are in [favor,support] of seeing it get [done,completed,finished]," Fahy [said,alleged]. He [said,thought,alleged,believed] the mining [operation,business,venture,outfit] has slowed to a 30-year [process,development,progression].

A [temporary,transitory,interim] berm on the east and south sides of the [nearby,close by,close to] Fox River Bluffs [subdivision,division,sector,section] [would,could] be constructed by [quarry,pit,mine] [operator,operative] Beverly [Materials,Resources,Supplies] or [someone,somebody] hired by the [company,business] [within,inside] six months of the [approval,endorsement,agreement,authorization], according to [county,region,district] [records,minutes,report]. This [would,could] help [relieve,alleviate,reduce,lessen,help,take the edge off] existing drainage [problems,troubles] in the [subdivision,section,division,sector] by redirecting stormwater [runoff,overflow,surplus,overspill] from [about,approximately,roughly,around] 34 acres [around,about,surrounding,covering] the southeast [corner,curve,bend]. [Additional,Extra,Added] drainage work on lots in the Fox River Bluffs [subdivision,division,sector] [would,could] be [done,complete,completed,finished] by Beverly [Materials,Resources,Supplies] or McGraw [Foundation,Charity,Organization].

One [person,individual,character] who spoke on behalf of the mining [company,corporation,business,group] [said,held,alleged] a dust control [plan,strategy,idea,proposal,plot,design] had been submitted [and,furthermore,moreover] that the [conditions,circumstances,situation,state of affairs] were [acceptable,satisfactory,suitable,good enough,adequate,tolerable,tolerable,all right].

A new settlement that includes an estimated $11.2 million in cleanup work will ensure continued cleanup of the West Site/Hows Corner Superfund Site in Plymouth, Maine. The agreement is between the U.S. EPA, the U.S. Department of Justice, the Maine Department of Environmental Protection ( MEDEP ), the Maine Attorney General, and potentially responsible parties at the Site.

The settlement will ensure that work proceeds at the Site as detailed in the 2002 and 2006 “Records of Decision.” This work includes: construction and operation of a groundwater hydraulic containment system, a technical impracticability waiver for the Source Area Groundwater, monitored natural attenuation of the Non-Source Area Groundwater, institutional controls, and further investigation and mitigation, if necessary, of the potential vapor intrusion pathway.

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With the collections of taxes so low due to the “slump in the economy”., many municipalities are having to either do away with services or raise more taxes.. 

[Hoping,Eager,Hopeful] to [avoid,keep away from,stay away from,steer clear of,evade,circumvent,get around,get out of,dodge,duck] asking [property,land,estate,acreage] owners for [road,street,highway] millage, Hamilton Township [Supervisor,Manager,Administrator,Superintendent,Controller,Overseer,Director,Boss,Superior] Carl Druskovich will be heading to the Van Buren [Road,Street,Highway] [Commission,Committee,Authority,Agency,Board] to try to work out a [deal,contract,agreement,arrangement,treaty].

The township, facing [dwindling,declining,decreasing,diminishing,deteriorating,falling] road [funding,backing,support,subsidy,money], has held four [public,community,municipal] meetings on what to do [about,concerning,regarding,on the subject of,with reference to] roads, prompting [discussion,debate] about [options,choices,alternatives] such as [reducing,dropping] dust control applications and extending the [amount,total] of time between seal-coating of roads. “Nobody was in support of any of those ideas,” Druskovich said.

The township gets about $40,000 [annually,each year] from the road [commission,authority,committee,administration], but has to [match,equal,counterpart] every $1 from the [county,region,district] with $3 in [local,community,district,regional,area] [funding,backing], the [supervisor,manager,administrator] said. “We need to have a lower match from us,” Druskovich said.

The township board hopes to get the road commission to agree to a 50-50 split on funding projects.

The board also [discussed,talked about] the [option,alternative,choice] of [seeking,looking for] voter [approval,endorsement,support,authorization] of a millage to [fund,finance,subsidize] road work. A levy of 1 mill, or $1 for every $1,000 of a property’s [taxable,assessable] value, [would,could] [generate,TAKE] up to $65,000, according to the township.

Gov. Gen. Michaelle Jean condemned the killing of an activist opposed to a Canadian mine during the last day of a state visit to Mexico while protesters chanted "Canada, get out."

About 50 supporters of Mariano Abarca Roblero were kept about 200 metres from a Mayan women’s collective where Jean visited the colonial town of San Cristobal de Las Casas, about five hours from the mine’s location.

"We find it deplorable, inexcusable," Jean said in a statement Wednesday.

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Releasing the National Compliance Enforcement Report in Pretoria, she pointed out that this decrease in convictions is a cause for concern, particularly in light of the increase in the total number of criminal dockets registered during the year under review.

But she pointed out that many cases have experienced substantial delays within the prosecution system, confirming the urgent need for dedicated courts to deal with these types of cases.

Nevertheless the report cheered her up by saying that the number of acquittals dropped from 441 in the previous year to 18.

A total of 4,661 environmental cases were reported nationally for the year to the end of March 2009. During this period the total number of criminal dockets registered was 2,412 compared with 1,762 in the previous reporting period.

The total amount of money raised by admission of guilt fines nearly doubled from 2007/08 from 744,706 rand to approximately 1.4 million rand in 2008/09.

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ENVIRONMENTAL inspections at industrial sites continue to find “a wide range of contraventions”, Environmental Affairs Minister Buyelwa Sonjica said in Pretoria yesterday.

“Inspections continue to detect non-compliance related to exceedances (sic) in emissions, illegal waste sites and contraventions of conditions across the range of authorisations,” Sonjica said, releasing the 2009 National Compliance and Enforcement Report, according to a statement from her office.

“While commitment to address these issues has been received in response to the inspection findings, with fairly drastic measures in some cases, enforcement action needs to be stepped up.”

Sonjica said a blitz on the cement sector identified lack of dust control – dust pollution as the major problem.

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Received for publication January 31, 2009. Magnesium chloride (MgCl2)-based dust suppression products are commonly used throughout western United States on nonpaved roads for dust suppression  and road stabilization by federal, state, and county transportation agencies.

The environmental implications of annually applying these products throughout spring and summer months on adjacent stream chemistry are not known. Sixteen streams were monitored biweekly for 1 to 2 yr in two Colorado counties for a suite of water quality variables up and downstream of nonpaved roads treated with MgCl2–based dust suppression products.

Eight of 16 streams had significantly higher downstream than upstream concentrations of chloride or magnesium over the entire monitoring period (p  0.05). Mean downstream chloride concentrations ranged from 0.17 to 36.2 mg/L and magnesium concentrations ranged from 1.06 to 12.8 mg/L. Several other ions and compounds, including those commonly found in dust suppression products such as sodium, calcium, and sulfate, were also significantly higher downstream at some sites.

Downstream electrical conductivity (EC), chloride and magnesium concentrations were positively correlated with road surface area draining water toward the stream and yearly amount of MgCl2 applied (R2 = 0.75, 0.51 and 0.49, respectively), indicating that road managers can limit the amount of product entering roadside streams by assessing drainage characteristics and application rates in best management practices. Although MgCl2–based dust suppressants did move into some roadside streams, the concentrations detected were below those reported to adversely affect fresh water aquatic organisms, but the ultimate fate of these ions in Colorado waterbodies are not known.

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Alberta’s oilsands are pumping the equivalent of a major oil spill into the Athabasca watershed every year, says an independent report.

The research study, published yesterday in the U.S. journal Proceedings of the National Academy of Science, suggests toxic emissions from the oilsands are nearly five times as high and cover twice as much area than reported by Suncor and Syncrude.

Dr. David Schindler, one of the report’s authors, said the results show that better monitoring is needed and more remedial measures need to be taken to ensure the health of those living along the Athabasca River and its tributaries.

"I think the human threat is already there," he said yesterday.

"We’re hoping when the government sees this, they’ll make efforts to upgrade their monitoring programs and we’re hoping to develop a model that the government will pick up and execute."

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