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Management of Commercially Generated Radioactive Waste - U.S. ...

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A .U T<br />

U.S. DEPARTMENT OF COMMERCE -2<br />

National Oceanic and Atmospheric Administration<br />

ENVIRONMENTAL RESEARCH LABORATORIES S. Page 3.5.25, line 15 from bottom:<br />

AOML/PhOL<br />

15 Rickenbacker Causeway<br />

Miami, Florida 33149<br />

Replace the sentence beginning with "Similar" on line 15 with:<br />

For oceanographic data there is need for both intensive and extensive<br />

observations over a long period in order to resolve the time and<br />

space scales <strong>of</strong> the coastal, littoral, and other flows.<br />

Date: May 25, 1979<br />

B. Sub-seabed Disposal<br />

1. Page 3.6.1, line 23 from top and page 3.6.4, line 18 from bottom:<br />

To : R. Lehman, PP/EC<br />

Office <strong>of</strong> the Administrator, NOAA, Washington, D.C.<br />

From: F. Chew, AOML/NOAA (. . if 6<br />

A surface current gyre is a partially closed circulatory (not circular)<br />

system <strong>of</strong> surface and upper layer waters.<br />

7<br />

Fro: F. Chew, A<br />

.t<br />

/OAA r 2. Page 3.6.6, line 6 from bottom (including footnote):<br />

Subj: Comments and suggestions on the physical oceanographic aspects <strong>of</strong><br />

DEIS 7904.32 - <strong>Management</strong> <strong>of</strong> <strong>Commercially</strong> <strong>Generated</strong> <strong>Radioactive</strong><br />

<strong>Waste</strong><br />

Supposing the correctness <strong>of</strong> the assumptions, the breakthrough time,<br />

T, is not a million years, but is<br />

T = D 2 /A = (100 m) 2 /(3 x 10-6cm 2 /yr) = 3 x 10 3 As instructed by Dr. D. Hansen, Director (Acting), AOML, this is in reply<br />

to your memo <strong>of</strong> April 26, 1979. 3.<br />

yrs.<br />

Page 3.6.7, line 19 from bottom:<br />

A. Island Disposal The bottom flow is not uniform and plate-like. The mean flow is<br />

thought to be slow, but there is a transient component that is<br />

1. Page 3.5.21, line 13 from top: related principally to the tides. Within about 5 m <strong>of</strong> the bottom<br />

there is a boundary layer that is thought dynamically analogous to<br />

The hydraulic gradient and the stability <strong>of</strong> freshwater lens may also the lowest 2 km in the atmosphere. See Wimbush, M. and W. Munk<br />

be affected by sea level slope induced by coastal currents and topo- (1970):. The Benthic Layer n THE SEA, Vol. 4, pt. 1, A. E. Maxwell,<br />

graphic focusing <strong>of</strong> surface and internal gravity waves. Editor.<br />

2. Page 3.5.23, line 9 from bottom: 4. Page 3.6.7, line 17 from bottom:<br />

Sea level slope is another factor in the stability <strong>of</strong> freshwater lens. Delete estimates <strong>of</strong> barrier properties, or add "if any" to read:<br />

to allow estimates <strong>of</strong> the barrier properties, if any, <strong>of</strong> the water<br />

3. Page 3.5.24, line 8 from top: column,....<br />

Factors <strong>of</strong> importance to sediment patterns and movements include tides, 5. Page 3.6.17, line 1 from top:<br />

land discharges, coastal circulation, littoral currents induced by<br />

surface gravity waves, and direct wave actions during storm and Tsumani. Replace sentence beginning on line 1 with: The long-term stability<br />

<strong>of</strong> the patterns suggests a weak current regime.<br />

4. Page 3.5.25, line 13 4. from Page top: 3.5.25, line 13<br />

6. Page 3.6.20, line 10 from bottom:<br />

Replace the sentence beginning with "However", on line 13 with:<br />

However, their natures and time variant behaviors, particularly <strong>of</strong><br />

subsurface currents, are incompletely understood,<br />

Replace "a poor" with "no" in the sentence beginning on line 10 so<br />

so that it reads: For reasons given, the water column is likely to<br />

be no barrier against large quantities <strong>of</strong> nuclides....<br />

k

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