Pharmaceutical Good Manufacturing Practice Regulations Article 8

Chinese herbal medicine factory buildings shall be well constructed and safe; manufacturing, processing and packaging areas shall be completely separated from offices, reception rooms, laboratories, restaurants and their associated lavatories; the use of asbestos shall be avoided.The buildings described in the preceding Paragraph shall be designed to prevent the entry of rodents, insects and dust; interior ceilings, walls and floors shall be smooth and free of cracks and crevices, easy to clean, and non-conducive to the collection of dust; where necessary, materials that are easily cleaned and disinfected, such as epoxy resins shall be used. Interior ducts shall be constructed of materials that do not easily collect dust, and shall be hidden where possible; drainage facilities and drainage exits shall be equipped to prevent wastewater backflow.