- Board Adopts Final Amendments Adding Indoor Inhalation Pathway to TACO
The Board, on May 16, 2013, adopted amendments to the Tiered Approach to Corrective
Action Objectives (TACO) rules (35 Ill.
- The final amendments also reflect the addition of 13 chemicals to the TACO
tables, update physical and chemical parameters, and revise toxicity values.
- First, the Tier 1 and Tier 2 remediation objectives
(ROs) for the indoor inhalation exposure route apply only when the existing or potential
building at issue has a full concrete slab-on-grade or a full concrete basement floor and
walls.
- “School
administrator” is defined as “the school’s principal, or similar administrator responsible
for t...
Board Adopts Final Amendments Adding Indoor Inhala... 
