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Laboratory Analysis


Filter bags are subject to high stresses in the filtration system. Our filter bag investigation provides you reliable guidance concerning the current condition and further use of the filter bag.

Our laboratory analyzes and assesses your used filter bag, and a comprehensive laboratory report with photographic documentation is thus compiled over a large number of working stages.


Tier Pricing
Quantity Discount Discounted price
2 + $100.00 $350.00

Basic Package $450 - each additional $350

SKU: N/A Category:



  • description of the current condition of the filter bag
  • problem and damage analysis
  • assessment of filtration performance



  • Pull two (2) used bags from collector. DO NOT shake the bag, leave it as full of dust as possible.
  • Roll used filter bag up like a fire hose and place in garbage bag. If slit, fold then roll to keep interior clean.
  • Zip tie or string tie the garbage bag shut and label with plant name, location, collector ID, process name, compartment/row#/bag#, estimated time in service and date.
  • Complete the Pulled Bag Location Chart and note the location of the used bag on the sheet.
  • Pull a sample of the dust from the hopper, fill up a zip-lock bag and label with plant name, collector, and date.
  • Complete the Dust Collection Data Sheet (DCDS).
  • Print off your Safety Data Sheet (SDS). No samples will be accepted if the SDS is not present.
  • Place all five (5) items into a cardboard box, seal box and ship to BWF Envirotec, USA, C/O Lab Services, 1800 Worldwide Blvd., Hebron, KY 41048:
    —— Labeled garbage bag with used filter bag
    —— Labeled zip-lock dust bag
    —— Completed Dust Collection Data Sheet (DCDS)
    —— Completed Pulled Bag Location Chart
    ——Safety Data Sheet
  • Once the bag has been received it will be analyzed and a full lab report will be sent for your review.

Hazardous Materials – BWF Envirotec, USA will not accept used bags or dust samples that contain human waste, lead, specimens or other probable infectious materials (OPIM).