This is a full face respirator with an acid-gas cartridge. This respirator would need to be worn by an employee working around fumig acids. If the employee were to work with organic solvents, a different cartridge would be installed on the front of the respirator. Badges like these are often worn by employees during an 8-hr shift.
Noise exposure is an increasing concern among insurance companies and corporations.
A draegger tube is a glass tube containing sampling media through which a measured amount of air is drawn. A color change will reflect the airborne concentration of a particular chemical or group of chemicals. Many people spend a great deal of their lives at jobs where they are exposed to all sorts of natural and man made substances and or hazardous materials which may have an adverse effect on their health. They may also carry these toxics home to their families. For these people.