Table 1 Description of the samples in this study

Personal inhalation exposure

PM_2.5–10 and PM_2.5

N = 33 for each types of PM

Additional data

Recorded data during every sampling times, including

1. Meteorological data, consisted of temperature, pressure, humidity, wind speed, and wind direction

2. Types of burnt e-waste

3. Quantity of burnt e-waste

4. Total sampling time

5. Pattern of burning activity

6. The use of personal protective equipment (PPE)

For meteorological data, types and quantity of burnt e-waste, and total sampling time, the amounts of data were in accordance with the sampling times. For pattern of burning activity and the use of PPE, the number of data were 33.