Cook Plant preoperational studies 1970 / John C. Ayers ... [et al.].

the plume. The plastic garbage can was then filled with outfall water and
taken to the north side of the intake crib where two bags were filled with
50 liters each of outfall water at 1335, tied off, and anchored in ambient
temperature in the same place as the previously taken bags of intake water.
The boat then spent about 20 minutes in gassing-up and following the floating
bags into ambient temperature. These bags were sampled at 1355 and the samples
returned to the ship for processing. The boat then went to and sampled at 1410
the bags of outfall water anchored in ambient temperature at the north side
of the intake crib, and returned the samples to the ship.
Each bag was designated by 1) the source of its water, I for intake water
and 0 for outfall water, and 2) by the exposure to which the water was subjected,
A for exposure to ambient temperature and P for the varying temperatures encountered during a drift down the length of the plant's cooling water plume.
Duplicated bags were given suffixed numbers such as IP-1 and IP-2. Subsamples
taken from the several bags are designated by the bag designations.
The bags were sampled at the end of the experiments for total and coliform
bacteria, dissolved oxygen, phytoplankton, and zooplankton.
Bacteria were sampled by the Millipore nutrient-pad method using nutrient
media for both the coliform and total bacteria. Dissolved oxygen was determined by the Hach engineer's portable laboratory method. Phytoplankton were
sampled by dipping a liter bottle full of water and preserving with Utermohl's
iodine solution. Zooplankton were sampled by bucketing all the remaining
water of the bag through a #5 plankton net; zooplankton samples were not preserved, but returned fresh to the ship and examined in a projection microscope
for activity vs moribundity (live vs apparently dead) after which they were
preserved in buffered formalin.
The experiments at Bailly were primarily aimed at determining the feasibility of the technique, which they have done. They indicated some needed

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