be placed on a level surface [adjacent to the tank excavation] [at an
approved location] [at the location shown on the drawings] and secured with
wood blocks to prevent movement.
3.8.3
Contaminated Soil, Tank and Piping Excavation Examination
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NOTE: The designer shall determine the appropriate
field-screening instruments for health and safety
monitoring; methods should be based on historical
records of tank contents testing and age of release;
refer to EM 1110-3-178 for selection. The designer
should also consider the use of immunoassay field
kits to save time and money. Separate immunoassay
field kits sensitive to the light and heavy fuel
fractions are available; these kits will not be used
as real time health and safety monitoring devices.
Include the Coordinator's Name, Office, and Phone
Number.
If contamination is expected, the state may request
to be present onsite to oversee contaminated soil
excavation and supervise sampling efforts. The
designer's or Environmental Coordinator's experience
at the site or similar sites may provide a basis for
estimating the amount of contaminated soil.
If USACE labs are expected to perform analysis,
coordinate with them early on to verify they have
the adequate resources to accomplish the work.
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After the tank has been removed from the ground, the adjacent and
underlying soil shall be examined for any evidence of leakage. The soil
shall be visually inspected for staining after removal of all obviously
contaminated soil, then screened for the presence of [volatile and/or
semi-volatile] [_____] contamination using [a real time vapor monitoring
instrument] [immunoassay field kits]. Uncontaminated soil or petroleum
contaminated soil not regulated by the state as hazardous waste shall be
[stockpiled onsite per paragraph Stockpiles] [transported off-site for
disposal]. Contaminated soil or suspected contaminated soil shall be
containerized, or, if the site is a RCRA-designated CAMU, stockpiled until
further disposition. The [Contracting Officer] [State of [_____]
inspector] shall determine the extent of the contaminated soil to be
removed from each site but shall not exceed [_____] [cubic meters cubic
yards] [kg tons] per site. The Contractor shall report any evidence
indicating that the amount of contaminated soil may exceed the individual
site limit specified, to the [Installation's Environmental Coordinator]
[Contracting Officer] [_____] the same day it is discovered. If minimal
additional excavation is required, the Contracting Officer may allow the
Contractor to proceed. If extensive contamination is encountered, the
excavation shall be sampled and backfilled in accordance with paragraph
BACKFILLING. After the known contaminated soil is removed, the excavation
shall be sampled and analyzed in accordance with Section 01450A CHEMICAL
DATA QUALITY CONTROL.
SECTION 02115A
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