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[[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Pollution prevention and source control]]

Revision as of 19:52, 6 December 2022

Summary of street sweeping tracking methodologies

Link to this table

Tracking method Advantages Disadvantages Data collected Relative TP load reduction credit
Distance Swept: Manual Logging
  • Inexpensive
  • Low-tech
Low accuracy, reliant on self-reporting Miles swept Low potential due to low accuracy and no strong research-based relationships between miles swept and TP load
Distance Swept: GPS Records Automated tracking More expensive than manual logging (hardware, software, data interpretation) Miles swept Low potential due to no strong research-based relationships between miles swept and TP load
Debris Collected: Mass Measurement Once method is established, easy to track Requires special equipment (scale) Wet mass of swept materials High potential due to research-based relationships between wet mass and TP load
Debris Collected: Mass Measurements with Lab Analysis More representative of actual material swept Pilot study may be initially time intensive and costly Wet mass of swept materials plus initial lab work for dry basis moisture content, and optionally organic matter content, TP content High potential and highest accuracy due to research-based and site-specific relationships between laboratory measurements and TP load
Debris Collected: Volume Measurement
  • Inexpensive
  • Low-tech
Not currently applicable for TP load reduction credit by MPCA Count of hopper dumps No potential currently due to no strong research-based relationships between volume and TP load
Debris Collected: Volume-Mass Relationship Provides pathway for TP load reduction credit based on a low-tech measurement Pilot study may be initially time intensive and costly Count of hopper dumps plus initial lab work in developing volume/mass relationship High potential pending MPCA approval of data-derived volume-mass relationship