Coliforms in aerosols generated by a municipal solid waste recovery system
Applied and Environmental Microbiology
|November 1, 1980
Summary
Implementing dust control in solid waste recovery systems significantly reduces airborne total and fecal coliform levels. This intervention improves air quality by lowering microbial contamination, crucial for public health and environmental safety.
Area of Science:
- Environmental Science
- Microbiology
- Public Health
Background:
- Airborne microbial contamination is a concern in solid waste recovery systems.
- Total and fecal coliforms are indicators of fecal contamination and potential health risks.
Purpose of the Study:
- To quantify airborne total and fecal coliform concentrations within an operating solid waste recovery system.
- To evaluate the effectiveness of dust control equipment in reducing these microbial levels.
Main Methods:
- Air sampling was conducted inside the solid waste recovery system.
- Concentrations of total and fecal coliforms were measured.
- The impact of dust control equipment installation on coliform levels was assessed.
Main Results:
- Average airborne total coliform concentration was 2.1 x 10(3)/m3.
- Average airborne fecal coliform concentration was 9.9 x 10(2)/m3.
- Dust control equipment reduced coliform levels by approximately 50% and their recovery frequency by 15%.
Conclusions:
- Dust control measures are effective in mitigating airborne microbial contamination in solid waste recovery facilities.
- Reducing coliform levels through dust control can enhance environmental safety and potentially reduce public health risks associated with waste processing.
