APPENDIX D: DECANTED SUPERNATANT SAMPLE COLLECTION,
STORAGE, AND SHIPMENT SOP
Sample collection
Collection point: Drop inlet structure outlet pipe egress point.
Sampling access: Open area accessible at all times.
Sample strategy: Grab sample taken once or twice a day during decanting process.
Samples taken by placing the mouth of a 1-L amber glass sample
bottle, level 2A clean (Eagle-Pitcher P/N 223-32A), in the path of
the outflow from the outlet pipe. Time and date are noted.
Sample storage
Temperature is not to exceed 15 C.
Temperature:
Location:
Samples are not to be stored in direct sunlight. Whenever possible,
they will be stored in a cooler.
Documentation: All samples are to be labeled. Documentation will reside with
samples whenever practicable. A duplicate set of documentation
will be retained by the P.I. or sampler.
Sample shipment
Samples are to be shipped overnight or second-day air, whichever
method is most practicable. Samples are to be shipped to ensure
temperature does not exceed 15 C. Adequate packing to ensure
sample integrity will be used. Containers are to be sealed with a
chain of custody document attached.
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