Mmiri na-abanye n'ime mmiri

Mmiri na-abanye n'ime mmiri

Mmiri ikuku (VI) bụ usoro nke kemịkal dị n'ala ma ọ bụ mmiri dị n'okpuru ala - ọkachasị Volatile Organic Compounds (VOCs) - na-akwaga na ikuku dị n'ime ụlọ n'elu ebe emetọ.

Nkọwa

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Ụlọ Ọrụ Na-ahụ Maka Nchebe Gburugburu Ebe Obibi nke United States na-akọwa intrusion nke ikuku dị ka "ịkwaga nke kemịkal na-agbaze agbaze site na mmetọ mmiri ma ọ bụ ala emetọ n'ime ụlọ dị n'elu". Chemicals nwere ike ịbụ nke dị iche iche gụnyere volatile organic compounds (VOCs), ụfọdụ semi-volatile organic compound (SVOCs) na inorganic chemicals, dị ka elemental mercury, polycyclic aromatic hydrocarbons (PAHs), na-apụta na radon, na hydrogen sulfide.[1]

Nchegbu

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N'ụzọ kachasị njọ, ikuku ikuku nwere ike ịbụ ihe ize ndụ nchekwa, dịka ọmụmaatụ, mgbe ihe na-ere ọkụ na-etinye aka n'ụdị mgbawa. Mmiri na-egbu egbu nwere ike ịkpata mmetụta ahụike, ma ọ bụ nke siri ike dị ka nsogbu CNS dị ka isi ọwụwa ma ọ bụ mgbanwe ọnọdụ uche, ha nwekwara ike inwe mmetụta ahụike na-adịghị ala ala, dịka radon, nke nwere ike ịkpalite ọrịa kansa akpa ume. N'ikpeazụ, anwụrụ ọkụ nwere ike ịbụ "nsogbu mara mma" siri ike, dịka, ísì sitere na hydrogen sulfide.[1]

Na United States, a na-edozi ntinye nke uzuoku na steeti ndị mmadụ n'otu n'otu n'ụzọ dị iche iche..

Ngalaba Ahụike nke New York wepụtara ntụziaka na-emeghe ụzọ na intrusion nke ikuku n'afọ 2006.[2]

Na June 2010, American Society for Testing and Materials (ASTM International) wepụtara azụmahịa "Standard Guide for Vapor Encroachment Screening on Property Involved in Real Estate Transactions" (ASTM E 260010).[3]

N'afọ 2002, US EPA nyere ntuziaka mbụ ya na isiokwu ahụ.[4] Nchịkwa George W. Bush kwụsịrị ọrụ ahụ n'afọ 2003, ọ bụkwa naanị n'afọ 2013 ka onye Obama họpụtara dị ka onye enyemaka nchịkwa EPA na Office of Solid Waste and Emergency Response, mere ka ọ bụrụ ihe kachasị mkpa iji mezue akwụkwọ ahụ. Na June 11, 2015, EPA wepụtara ntụzịaka nka nka na vapor intrusion ikpeazụ ya, yana ntuziaka nka maka ị na-agwa okwu ntinye vapor Petroleum na saịtị ebe nchekwa nchekwa dị n'okpuru ala. Ntuziaka abụghị ụkpụrụ ma ọ bụ ụkpụrụ, kama ọ bụ nduzi.[5]

Hụkwa Ihe Ọzọ

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  • Superfund maka ndepụta nke Ebe Ọrụ Nchebe Gburugburu Ebe Obibi Superfund
  • Trichloroethylene (TCE) maka mkparịta ụka banyere kemịkalụ ahụ
  • Steam Intrusion (DTSC)

Edensibia

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