13.0 Geotechnical Reports for Addendum - Golder Associates

Row Expressway (eastbound lanes) to north, Grand Marais Drain to the south, Howard Avenue to the east and the associated off-ramp to the west, as shown on Figure 1, in general accordance with the requirements of 0. [...] The objectives of the RA were as follows: • Quantitatively assess the potential risks to human and ecological receptors, if any, associated with identified COCs in the soil/sediment intended to be placed at the Site based on continued use of the Site as an E. [...] The results of the HHRA indicate that increased risks are associated with direct contact to soil/sediment by the landscape maintenance worker and construction worker in the absence of risk management measures. [...] The construction methods that will be implemented as risk management measures to decrease direct contact with the proposed dredged soil/sediment placement at the Site includes: • The placement of clean fill soil caps, meeting the applicable Ministry of the Environment Table 3 Site Condition Standards, to block direct exposure to potentially impacted soil. [...] In order to control the potential exposure to impacted soils below the proposed soil cap, the following administrative controls should be implemented: • Where work on the Site will encounter impacted soils, a Health and Safety Plan shall be developed and implemented by the contractor responsible for the work prior to commencing the work; and • Where work on the Site will encounter impacted soils,.