Sample Collection:
Collection of 160 air samples from designated areas as follows:
a. Roofing Sheet Production Facilities: Collection of 60 samples, including:
- Each region (North, Central, South) will sample air at two factories. For each factory, samples will be taken at five positions, one sample per position per occasion, twice annually:
+ White asbestos raw material storage area;
+ White asbestos cutting/unpacking room;
+ Area around the white asbestos production line;
+ Finished white asbestos product storage area;
+ White asbestos waste storage area.
b. Near Roofing Sheet Production Facilities: Collection of 12 samples:
- Approximately 1 km away from each of the six mentioned factories, one sample per occasion, twice annually.
c. Homes Using Roofing Sheets: Collection of 60 samples:
- Urban areas: At three homes per region, two samples per home per occasion (inside and outside), twice annually;
- Rural areas: At two homes per region, two samples per home per occasion (inside and outside), twice annually.
d. Roofing Sheet Installation and Removal Process: Collection of 8 samples:
- Installation process: Two samples per occasion, twice annually;
- Removal process: Two samples per occasion, twice annually.
e. White Asbestos Waste Disposal Sites: Collection of 12 samples:
- Two samples per landfill per region per occasion, twice annually.
g. Animal Farming Areas Using Roofing Sheets: Collection of 4 samples:
- Pig farms: Two samples per occasion;
- Poultry farms: Two samples per occasion.
h. Busy Intersections: Collection of 4 samples:
- Two samples per occasion, twice annually.