University of Illinois Extension

Quiz

Section 905.95 — Raised Filter Beds

  1. Section 905.95 — Raised Filter Beds
    Illinois raised bed disposal systems shall a filter loading rate of 4 gallons per square foot per day for residential systems of up to   gallons per day.
  2. Section 905.95 — Raised Filter Beds
    If a filter bed must exceed 600 square feet,  .
  3. Section 905.95 — Raised Filter Beds
    In the formula A=QT/25, the Q represents:
  4. Section 905.95 — Raised Filter Beds
    The mantle area shall be cut into original soil to a depth of ___ inches and back filled with _____ inches of torpedo sand.
  5. Section 905.95 — Raised Filter Beds
    _____ shall be placed over the filter beds and mantle