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The Institute of Environmental Sciences and Technology (IEST) is a non-profit, technical society. Information on ISO 14644 and ISO 14698 standards can be found through this organization. Founded in 1953, the organization is headquartered in Arlington Heights, Illinois. Its members are internationally recognized in the fields of design, test, and evaluation; contamination control; product reliability; and aerospace.〔 〕 ==International standards== The organization is the Secretariat of ISO/TC 209: ''cleanroom and associated controlled environments''. This committee writes the ISO 14644 standards. IEST is also a founding member of the ANSI-accredited US TAG to ISO/TC 229 - ''Nanotechnologies''.〔 〕 IEST has also revised such Federal Standards as FED-STD-209, MIL-STD-781, MIL-STD-810, and MIL-STD-1246 (now IEST-STD-1246D).〔 〕 The IEST also distributes to the public all ISO 14644 and ISO 14698 standards. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Institute of Environmental Sciences and Technology」の詳細全文を読む スポンサード リンク
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