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TO E RO E K N
<br /> TETRA TECH Appendix B-Unanticipated Discovery Plan
<br /> ASSOCIATES,INC.
<br /> UNANTICIPATED DISCOVERY PLAN
<br /> This Unanticipated Discovery Plan (UDP) presents procedures for the inadvertent discovery of
<br /> cultural resources or human skeletal remains and is to be used as a supplemental attachment to all
<br /> work plans proposing ground-disturbing (surface or subsurface) environmental sampling field
<br /> activities associated with Phase II environmental site assessments,which are part of the Targeted
<br /> Brownfields Assessment (IBA) process. Cultural resources and human remains are protected under
<br /> federal and state laws and regulations and their disturbance, excavation,removal, or damage can
<br /> result in criminal penalties. Projects on tribal land are subject to the provisions of the Archaeological
<br /> Resources Protection Act (16 United States Code 470aa-mm),Title 43 Code of Federal Regulations(CFR)
<br /> Section 7, and Title 32 CFR Section 229,which make excavating,removing, damaging, or otherwise
<br /> defacing any archaeological resources on tribal lands a federal offense. In the event of an
<br /> unanticipated discovery, the proper actions must be taken to minimize damage to cultural resources
<br /> and to ensure that applicable laws and requirements are identified and met.
<br /> I. INTRODUCTION
<br /> Toeroek Associates,Inc. and Tetra Tech,Inc. (Toeroek Team) have prepared this UDP in support
<br /> of the U.S. Environmental Protection Agency (EPA) Region 9 TBA program. In the unlikely event
<br /> an unanticipated discovery of cultural resources (for example, archaeological material) or human
<br /> remains occurs during ground-disturbing TBA surface or subsurface environmental sampling field
<br /> activities, this UDP outlines the procedures for the Toeroek Team to follow in accordance with
<br /> local, state, and federal laws.
<br /> II. RECOGNIZING CULTURAL RESOURCES
<br /> Cultural resources are defined as physical evidence of historic human activity.They are
<br /> non-renewable resources that, once destroyed, cannot be replaced. Cultural resources and human
<br /> remains are protected under local, state, and federal laws.The unauthorized removal or intentional
<br /> disturbance of cultural resources can result in fines and imprisonment. As such, EPA and its
<br /> contractors are required under local, state, and federal laws to ensure cultural resources encountered
<br /> during the project are treated appropriately and in compliance with all applicable laws. Unanticipated
<br /> discoveries of cultural resources during an environmental assessment can include, but are not limited
<br /> to, the following situations:
<br /> 1. Undocumented structural and engineering features or undocumented archaeological
<br /> resources such as prehistoric pottery, chipped stone tools,waste flakes, changes in soil color
<br /> or type, shells, and historic period items (items that are approximately 50 years old or older)
<br /> such as bottle glass, cans, ceramic, refuse dumps, tools, coins, old farm equipment, and
<br /> features (for example, architectural features or walls constructed of natural materials such as
<br /> cobbles, surfaces paved by cobbles, brick, or other material), or other evidence of human
<br /> occupation or activity;
<br /> 2. Undocumented human remains or burial sites; or
<br /> 3. Undocumented Native American grave sites,including human remains, funerary objects,
<br /> sacred objects, or objects of cultural significance.
<br /> As a general rule of thumb for all field staff: When in doubt, assume the material is a cultural
<br /> resource!
<br /> B-1
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