Field-testing a new directional passive air sampler for fugitive dust in a complex industrial source environment

Area of Science:

• Environmental Science
• Industrial Hygiene
• Air Quality Monitoring

Background:

• Fugitive dust quantification is crucial for industrial site regulation and management.
• Complex industrial sites require specialized methods to isolate emission sources.
• Metal Recovery Plants (MRPs) can be significant contributors to industrial dust.

Purpose of the Study:

• To quantify the fugitive dust contribution of an MRP within a larger steelworks.
• To assess dust levels during high-emission material processing.
• To evaluate the effectiveness of new dust control measures.

Main Methods:

• Application of two novel Directional Passive Air Samplers (DPAS) over a 12-month period.
• DPASs collected directional dust samples (12 sectors) upwind and downwind of the MRP.
• Dust quantification using photographic, magnetic, and mass-loading methods.

Main Results:

• DPAS successfully differentiated MRP dust from the broader steelworks emissions.
• No increase in MRP dust was detected during processing of dusty materials.
• Significant reduction in dust levels observed after implementing new dust control measures.

Conclusions:

• DPAS technology is effective for source apportionment of fugitive dust in complex industrial settings.
• The study provides an evidence base for regulatory and operational dust management decisions.
• New dust controls proved effective in mitigating MRP emissions.