Các mối nguy hiểm hóa chất đã được đề cập trong Chương 8 có liên quan đến tác động của họ khi nơi làm việc và lực lượng lao động của mình. Chương 8 nói ở một số chi tiết của ảnh hưởng sức khỏe nguy hiểm và độc hại (hóa chất độc hại). Chương 9 cung cấp thông tin trên các phương tiện đó có hóa chất vào cơ thể, hướng dẫn về tiếp xúc, và các hình thức, trong đó có hóa chất trình diện với cơ thể như chất gây ô nhiễm. Ngoài ra, chương danh sách. | 9 Chemical Hazards The handling storage and sale of chemical is part of the goods and materials service sectors. CHEMICALS Chemical hazards have been addressed in Chapter 8 with regard to their impact upon the workplace and its workforce. Chapter 8 speaks in some detail of the health effects of hazardous or toxic poisonous chemicals. Chapter 9 provides information on the means by which chemicals enter the body the exposure guidelines and the forms in which chemicals present themselves to the body as contaminants. Also the chapter lists the categories of chemicals that most often are seen in the workplace and also describes why based upon their composition they may pose a hazard. ROUTES OF ENTRY AND MODES OF ACTION Chemicals enter the human body via many routes. The nature of the chemical often determines how the chemical enters the body. Once into the body the chemical tends to target certain systems and organs of the body. The entry may be through the eyes skin lungs or ingestion and at times by injection penetration . Eyes The importance of the human visual system is evident. Good eyesight is a must for performing tasks where man and machine interact. Of all the major body organs prone to worksite injuries the eye is probably the most vulnerable. Consequently protection against eyes and face injuries is of major concern and importance for workers. The eye 2008 by Taylor Francis Group LLC. is an organ of sight and is not designed for the demands of prolonged viewing at close distances as is commonplace in today s workplace. Although the eye does have some natural defenses it has none to compare with the healing ability of the skin the automatic cleansing abilities of the lungs or the recuperative powers of the ear. This is why an eye injury is the most traumatic loss to the human body. The eyeball is housed in a case of cushioning fatty tissue that insulates it from the skull s bony eye socket. The skull brow and cheek ridges serve to help protect .
