In this Act, the meanings of the terms set forth in the following items are as prescribed in those items:
この法律において、次の各号に掲げる用語の意義は、それぞれ当該各号に定めるところによる。
"industrial injury" means a worker being injured, contracting a disease, or dying due to a construction, equipment, raw material, gas, vapor, dust, or the like that is connected with the worker's employment, or as a result of a worker's work activities or other duties;
労働災害 労働者の就業に係る建設物、設備、原材料、ガス、蒸気、粉じん等により、又は作業行動その他業務に起因して、労働者が負傷し、疾病にかかり、又は死亡することをいう。
"worker" means a worker as prescribed in Article 9 of the Labor Standards Act (excluding a person who is employed at an undertaking or office at which only cohabitating relatives are employed, and excluding domestic servants);
労働者 労働基準法第九条に規定する労働者（同居の親族のみを使用する事業又は事務所に使用される者及び家事使用人を除く。）をいう。
"employer" means a person that is engaged in an undertaking and that employs a worker or workers;
事業者 事業を行う者で、労働者を使用するものをいう。
"chemical substance" means an element or a compound;
化学物質 元素及び化合物をいう。
"work environment monitoring" means designing a plan for monitoring, taking samplings of, and analyzing (including doing analytical research on) the air quality and other aspects of the work environment in order to assess the actual conditions of the work environment (including the degree to which workers are exposed to harmful factors in the work environment).
作業環境測定 作業環境の実態（作業環境における労働者の有害な因子へのばく露の程度を含む。）を把握するため空気環境その他の作業環境について行うデザイン、サンプリング及び分析（解析を含む。）をいう。