인프로코리아
사이트맵
  • 맞춤검색
  • 검색

자유게시판
Songbirds Dying from DDT in Michigan Yards
Emile | 25-10-03 11:59 | 조회수 : 3
자유게시판

본문

LOUIS, Mich. - Jim Hall was mowing the town's baseball diamond when he felt a bit bump underneath him. Just final week, he found one other one. Hall, who has lived in this mid-Michigan city of 7,000 for 50 years. After residents complained for years about dead birds in their yards, order Neuro Surge 22 American robins, six European starlings and one bluebird were collected for testing. The results, revealed last week: The neighborhood's songbirds are being poisoned by DDT, a pesticide that was banned in the United States greater than forty years in the past. Lethal concentrations had been discovered in the birds' brains, order Neuro Surge as well as within the worms they eat. Matt Zwiernik, a Michigan State University assistant professor of environmental toxicology who led the testing. The birds' brains contained concentrations of DDE, a breakdown product of DDT, from 155 to 1,043 components per million, with a median of 552. "Thirty within the mind is the threshold for acute loss of life," Zwiernik said.



vsco5fea264443204.jpgTwelve of the 29 birds had Brain Health Formula lesions or liver abnormalities. The offender is a toxic mess left behind by Velsicol Chemical Corp., formerly Michigan Chemical, which manufactured pesticides until 1963, a yr after Rachel Carson's guide Silent Spring exposed the hazards of DDT, particularly for birds. Populations of bald eagles and different birds crashed when DDT thinned their eggs, killing their embryos. The 9-block neighborhood has turn out to be a real-life instance of Carson's "Fable for Tomorrow" in Silent Spring. Velsicol is notorious for one of the worst chemical disasters in U.S. In 1973 a flame retardant compound they manufactured - polybrominated biphenyls, or PBBs - was combined up with a cattle feed Brain Health Supplement, which led to widespread contamination in Michigan. Thousands of cattle and different livestock were poisoned, about 500 farms were quarantined and people throughout Michigan have been uncovered to a chemical linked to cancer, reproduction issues and endocrine disruption. The U.S. Environmental Protection Agency took management of the location in 1982 and the plant was demolished within the mid-nineties, abandoning three Superfund sites within the 3.5-sq. mile city.



EPA officials did not respond to repeated requests for touch upon the poisoned birds and the Superfund cleanup. Of most concern is the 54-acre site that when contained Velsicol's essential plant, which backs as much as the neighborhood where residents have discovered dead birds on their lawns. Ed Lorenz, a professor at close by Alma College and vice chair of the Pine River Superfund Citizen Task Force, Neuro Surge memory booster which represents the neighborhood. Hall is the chair of the task force. While there is an extended-term well being research for residents who had been exposed to PBBs, nobody is monitoring their publicity to DDT or in search of potential human Brain Health Supplement results. Elsewhere, traces of the pesticide have been linked in some human studies to reproductive issues, Neuro Surge Product Page including decreased fertility and altered sperm counts. St. Louis City Manager Robert McConkie. The town's median family income is 43 % decrease than the state's. About 22 % of its households dwell below the poverty line. The birds apparently have been poisoned by eating worms dwelling in contaminated soil close to the previous chemical plant.



No research have been performed to see whether or not the DDT has contaminated any vegetables or fruits grown in yards. Jane Keon, secretary of the task power, said the Michigan Department of Environmental Quality ignored their complaints about useless birds for years. But Dan Rockafellow, the state agency's challenge manager for the positioning, order Neuro Surge mentioned it took time to gather enough chook samples to check. State officials didn't begin testing people's yards until 2006, when they found a number of yards highly contaminated with DDT and PBBs. EPA contractors now are cleansing up fifty nine yards. Next yr the agency plans on including another 37 yards outside of the 9-block area. Many of the contamination is in the highest six inches of the soil, most likely from the chemicals drifting over from the plant, order Neuro Surge Rockafellow mentioned. However, some yards have DDT and order Neuro Surge PBBs deeper within the soil, which might be as a result of Velsicol's supply of free fill dirt to their neighbors a long time ago.

댓글목록

등록된 댓글이 없습니다.