
COMMISSION AGENDA
Tay Yoshitani, Chief Executive Officer
September 15, 2009
Page 6
BACKGROUND
In March 2008, the Commission authorized Aviation Environmental Programs to procure and the
Chief Executive Officer to execute a contract to provide Environmental Field Support Services to the
Aviation Division. The purpose of the contract was to assure that experienced environmental
professionals who were also experienced in field construction processes and operations, were
available to observe Aviation Division construction projects in locations where contamination
conditions might be encountered. The general scope of the consultants’ work was to observe capital
construction projects, identify contamination conditions encountered by the construction contractor,
and coordinate with the construction management team for environmentally and legally appropriate
management of the contamination; while, at the same time, minimizing interference with the
contractor and eliminating to the degree possible construction delay. A more detailed description of
these services, and why they are necessary, is provided in the Background section of this
Commission Memo.
The authorized contract was limited to a term of three years and an expenditure of $1,200,000
Av/Env estimates that the expenditure limit will be reached by about April 1, 2010, rather than April
2011, as originally estimated. The accelerated spending rate was a result of the numerous low-level
contamination conditions found at the site of the Consolidated Rental Car Facility, unanticipated at
the time the procurement was initiated and before Rental Car Facility construction started.
As a result of historical operations and current day accidental spills and releases of hazardous
substances to the environment, a number of sites at the airport have been contaminated. Each of the
materially impacted sites has been or is being investigated and/or remediated consistent with state
and federal rules. In many cases contaminated soils at these sites present no risk to human health or
the environment while in place at depth or below pavement; indeed, the Department of Ecology
routinely approves remediation by onsite containment or associated management methods.
However, the same contaminated material must be specially managed and disposed of in accordance
with federal and state requirements once encountered and removed from the site (e.g., by subsurface
construction activity, utility repair, etc.).
Similarly, airport operations and maintenance activities employ a significant volume of hazardous
materials on airport property. Use of products such as paints, solvents, and adhesives generates
hazardous and non-hazardous wastes that require special handling and disposal. Non-airfield actions
such as acquisition of properties previously used for residential, commercial, and industrial purposes
also generate hazardous wastes. Wastes from newly acquired properties range from paints,
maintenance supplies, and garden pesticides to mercury- and lead-containing building materials, to
underground storage tanks and containers of unknown contents. Each of these wastes requires
special management to comply with the rules of multiple regulatory authorities.
Expert, hands-on management of contaminated soil, hazardous materials and hazardous waste
consistent with federal and state regulations limits and/or mitigates adverse environmental impacts,
satisfies specific permit requirements, and reduces the Port’s exposure to unacceptable liability risk.
Equally important, Aviation Environmental Programs’ ongoing provision of environmental field
support to the Capital Improvement Program and non-Capital Improvement Program construction