Dillo Dirt: Difference between revisions
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'''Dillo Dirt''' is a [[compost]] made by the [[Austin, Texas|City of Austin]], [[Texas]] since 1989. It was the first program of its kind in the state and one of the oldest in the nation.<ref>{{ |
'''Dillo Dirt''' is a [[compost]] made by the [[Austin, Texas|City of Austin]], [[Texas]] since 1989. It was the first program of its kind in the state and one of the oldest in the nation.<ref>{{cite web|url=http://www.ci.austin.tx.us/water/dillo.htm |title=Introduction to Dillo Dirt}}</ref> Dillo Dirt is named after the [[Nine-banded Armadillo]] ''(Dasypus novemcinctus)'', which is a [[mammal]] native to Texas. It is also a [[trademark]]ed [[Product (business)|product]] of the City of Austin Water and Wastewater Utility. |
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The unique difference between Dillo Dirt and normal compost is that it contains treated municipal [[sewage sludge]] along with yard trimmings collected curbside by the city's waste management department. These are combined and composted to create Dillo Dirt. Despite this fact, Dillo Dirt meets all [[Texas Department of Agriculture|Texas]] and [[United States Environmental Protection Agency|U.S. Environmental Protection Agency]] requirements for "unrestricted" use, which even includes vegetable gardens. |
The unique difference between Dillo Dirt and normal compost is that it contains treated municipal [[sewage sludge]] along with yard trimmings collected curbside by the city's waste management department. These are combined and composted to create Dillo Dirt. Despite this fact, Dillo Dirt meets all [[Texas Department of Agriculture|Texas]] and [[United States Environmental Protection Agency|U.S. Environmental Protection Agency]] requirements for "unrestricted" use, which even includes vegetable gardens. |
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==Controversy== |
==Controversy== |
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Some opponents of the use and sale of Dillo Dirt claim that it contains above-normal amounts of heavy metals and [[fluoride]] which will inevitably find their way back into the human food supply.<ref>{{ |
Some opponents of the use and sale of Dillo Dirt claim that it contains above-normal amounts of heavy metals and [[fluoride]] which will inevitably find their way back into the human food supply.<ref>{{cite web|url=http://blog.fluoridefreeaustin.com/2010/02/03/wwwwwwww.aspx |title=AUSTIN'S DISTURBING DILLO DIRT: ANOTHER WAY TO SELL TOXIC WASTE}}</ref> The city, however, states that the metal levels are well below the federal allowable levels.<ref>{{cite web|url=http://www.ci.austin.tx.us/water/dillofaq.htm |title=Dillo Dirt FAQ}}</ref> |
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Prior to the [[Austin City Limits Music Festival]], held at [[Zilker Park]] in Austin on October 4, 2009, the park's soil was resurfaced and amended with Dillo Dirt. During the festival, heavy rains created a large amount of sludgy surface mud, which some concertgoers claim caused them health issues, such as [[Rash|skin rashes]], but in the end no conclusive evidence that the Dillo Dirt caused any problems was determined.<ref>{{ |
Prior to the [[Austin City Limits Music Festival]], held at [[Zilker Park]] in Austin on October 4, 2009, the park's soil was resurfaced and amended with Dillo Dirt. During the festival, heavy rains created a large amount of sludgy surface mud, which some concertgoers claim caused them health issues, such as [[Rash|skin rashes]], but in the end no conclusive evidence that the Dillo Dirt caused any problems was determined.<ref>{{cite web|url=http://www.statesman.com/blogs/content/shared-gen/blogs/austin/health/entries/2009/10/15/dillo_dirt_rash_call_health_de.html |title=Dillo Dirt rash? Call health department at 972-5555}}</ref> The local [[Austin American Statesman]] newspaper ran an article advising anyone affected to call the health department. |
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==See also== |
==See also== |
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Revision as of 18:37, 20 January 2011
Dillo Dirt is a compost made by the City of Austin, Texas since 1989. It was the first program of its kind in the state and one of the oldest in the nation.[1] Dillo Dirt is named after the Nine-banded Armadillo (Dasypus novemcinctus), which is a mammal native to Texas. It is also a trademarked product of the City of Austin Water and Wastewater Utility.
The unique difference between Dillo Dirt and normal compost is that it contains treated municipal sewage sludge along with yard trimmings collected curbside by the city's waste management department. These are combined and composted to create Dillo Dirt. Despite this fact, Dillo Dirt meets all Texas and U.S. Environmental Protection Agency requirements for "unrestricted" use, which even includes vegetable gardens.
The heat generated in composting (130 to 170° fahrenheit) is sufficient to virtually eliminate human and plant pathogens. After active composting for over a month, the compost is "cured" for several months, then screened to produce the finished product.
Controversy
Some opponents of the use and sale of Dillo Dirt claim that it contains above-normal amounts of heavy metals and fluoride which will inevitably find their way back into the human food supply.[2] The city, however, states that the metal levels are well below the federal allowable levels.[3]
Prior to the Austin City Limits Music Festival, held at Zilker Park in Austin on October 4, 2009, the park's soil was resurfaced and amended with Dillo Dirt. During the festival, heavy rains created a large amount of sludgy surface mud, which some concertgoers claim caused them health issues, such as skin rashes, but in the end no conclusive evidence that the Dillo Dirt caused any problems was determined.[4] The local Austin American Statesman newspaper ran an article advising anyone affected to call the health department.