Prohibited chemical substances" refer to substances the use of which has already been banned by laws and regulations, substances the use of which has already be determined to be banned in the near future according to information from ministries, research organizations, and the like, and substances the use of which is voluntarily restricted throughout the azbil group. Further, a material that influences environmental preservation from the viewpoint of health, safety and hygiene and proper processing is considered as a control material that merits efforts to comprehend the use realities. The scope of this standard is limited to products, and parts and raw materials etc., required in the manufacture of products. It is assumed that, as far as possible, domestic laws, and even foreign laws, will apply with reasonable basis for the prohibited chemical substances.