2008/10/01 Council Agenda Packet

• i 4 i i Exhibit A Scope of Services 1 [(WA GeoSciences Inc. Remedial Investigation for the former GTS Drywall Site i 3 3 The following work scope is to provide environmental consulting services to support the City of Everett(City) in performing a remedial investigation/feasibility study at the ! former GTS Drywall site in Everett. Washington. 1 HWA will provide environmental consulting services as follows: 1 I STUDY OBJECTIVES i i HWA understands from the City that the study objectives include the following. [MA's scope of services reflects the attainment of these objectives. i • Preparation of a remedial investigation(RI) and Feasibility Study(FS)-that are i adequate under MTCA and(a) sufficient for Ecology Voluntary Cleanup Program (VCP)or formal program to issue opinion letters or other concurrences that the i studies meet MTCA substantive standards and that the remedial actions,if implemented, will meet MTCA substantive standards;and(b)will support and are i sufficient for the City to apply for reimbursement or grant funding for remedial Icosts. i • Screening sampling results and developing cleanup alternatives using cleanup standards based on unrestricted and/or, if applicable,commercial cleanup levels. Method B standard cleanup levels should be assumed unless it is more appropriate to use other cleanup levels based on consultation with the City. RI/FS analyses will include any data and analyses necessary to meet the above objective.. I I • Developing cost-effective remedial alternatives sufficient for: (a) Ecology to issue an NFA letter for the Property if the remedial action is performed as an i independent cleanup under the VCP; or(b) Ecology to issue a covenant not to sue i or similar commitment, if either party or both parties enters into an Agreed Order 1 or Consent Decree. I i • The restoration timeframe should be near term (within 1-3 years) for any contaminated media(e.g.,soil and ground water) that could affect the ability of j Everett Riverfront Project to be developed. The restoration timeframe may be I longer for other media. 1 i • Identifying remedial cost estimates, separate from the RI/FS documents,and I identifying any early action, interim,or other remedial measures for consideration if requested by the City to control contaminant migration,human health or the environment. i 1 1 I 1 . 17 i 1