Germany, each category has a designated limit for noise emissions (not part ofthe building code, but federal emissions code). たとえば、米国またはカナダでは、住宅地域に次のサブカテゴリを含めることができる。
1886) E. E. Williams, The Case forProtection (London, 1899) J. P. Young, Protection and Progress: a Study ofthe Economic Bases ofthe A merican Protective
Order ofthe Second Senate of 28 May 1993 - 2 BvF 2/90, Federal Constitutional Court of Germany. ^ German Criminal Code, FederalOfficeof Justice of Germany
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