Dust Measurement

Dust Measurement


Although lung diseases caused by dust have been known for many years, it is important to pay attention to the issue and take precautions. century began. Powders are generally suspended in the air and are smaller than the 20 micron size. Although the dust collection can be seen with the naked eye, it is impossible to see a single piece of dust with the eye. Because the size of the eye is smaller than the 300 times. 6 micron size powders can be inhaled and particles smaller than half a micron can be mixed into the blood in some way.

For all these reasons, exposure to dust above a certain dose and for a certain period of time can cause irreversible health problems. Powders are not a single type, many substances can be described as dust. For example, fibrogenic powders cause lung diseases. Toxic powders have toxic effects on the body. Carcinogenic powders cause cancer. Radioactive powders, allergy powders, organic powders and inorganic powders are other types of powders.

Different methods are applied while measuring. The amount of dust that the employees are exposed to during their work with a device called a dosimeter worn on their collar is determined. Air quality measurements are carried out within the scope of the Industrial Air Pollution Control Regulation in environmental air dust measurement, mines and similar facilities. 

Measurement of dust particles smaller than 10 microns is referred to as PM10 (Particle Md 10) measurement. These particles do not have a uniform chemical composition. Solid particles mix directly into the atmosphere as a result of human activities and natural resources. In this measurement, the most common dust particles under 10 microns are the dust generated during loading and unloading of materials such as soil, sand and gravel in trucks, dust formed in coal construction sites, mines and quarries, and dust from roads. 

Total Dust Measurement in Indoor Air: Light Scattering Method (TS 2361: 1976), Dosimetric Dust Measurement: Gravimetric Method (TS 2361: 1976), Ambient Dust Sampling Measurements (EPA Method 17: 2000 and TS EN 13649: 2003) Measurements (TS 2341: 1976), Dust Measurement - Gravimetric Method - Optical Reflection Method (TS 2361 and MDHS 96), PM 10 Measurement - Gravimetric Method (TS EN 12341), They are standard.

Apparatuses based on gravimetric, conforming to standards, are used to measure the amount of dust that workers are exposed to and reaches the alveoli in the lungs. This is the sampling apparatus used to prevent dust particles larger than the respirable size from being included in the measurement. Dust sampling is done by an air pump associated with the cyclone and filter. Time Weighted Average refers to the dust concentration to which the worker is exposed for at least 8 hours under normal working conditions. Short Term Exposure Limit Value refers to the dust concentration that the worker is exposed to under the same conditions for 15 minutes.

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