ETL 1110-1-158
28 Feb 95
5.1.3
Water Source and Testing.
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If water is required for site activities, such as rotary
drilling, testing requirements should be described here. A
chemist should assist in developing this portion of the scope if
analyses of the water is required. If a source is available on
site, this should be noted.
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5.1.4
Site Restoration and Protection.
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The Contractor is normally required under this section to restore
the site after field work is completed. Any unusual site
protection requirements such as protecting trees and wetlands
should be discussed here.
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5.1.5
Site Surveying.
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If surveys are required, this section should describe the
requirements for surveying of treatability study sampling
locations. The survey data should be required to be compatible
with data from previous site surveys.
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5.2
Subsurface Sampling.
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This section discusses the required procedures for drilling
boreholes, excavating test pits, obtaining samples, and logging
requirements.
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5.2.1
Drilling Method.
5.2.2
Test Pit Excavation.
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In some cases, sidewall sampling by personnel who enter the
trench may be appropriate, but in other cases, sampling from the
backhoe bucket may be adequate. The scope should require that
sampling activities performed in or in close proximity to a
trench be performed only after clearance by the site safety and
health officer. Special consideration should be given to the
B-16
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