| | Post Number | Address of concerns | Frequency and time of sampling | Protocol for conducting observations and pollutant contents, including heavy metals |
| | 1 | Aerological station | 4 times per day 1 a.m., 7 a.m., 13 p.m., 7 p.m. | (i) Daily manual sampling (discrete methods) | Lead, copper, chromium; suspended particles (dust), sulfur dioxide, sulfates, carbon monoxide, nitrogen dioxide, phenol | | 4 | 15 biryuzova street | 4 times per day 1 a.m., 7 a.m., 13 p.m., 7 p.m. | (ii) Daily manual sampling (discrete methods) | Lead, copper, chromium; suspended particles (dust), sulfur dioxide, carbon monoxide, nitrogen dioxide, phenol, formaldehyde |
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