1946-09-11 RECORD OF TELEPHONE CONVERSATION BETWEEN CAPTAIN W. G. WALSH, RADIOLOGICAL OFFICER, FOR JOINT TASK FORCE 1 AND CAPTAIN C. J. CATER, PLANNING OFFICER, SAN FRANCISCO NAVAL SHIPYARD

Navy Reports that document the dumping of nuclear waste directly into San Francisco Bay as well as other Navy Bases, the orders, correspondence, etc.

OPERATION CROSSROADS, RADIOLOGICAL DECONTAMINATION OF TARGET AND NON- TARGET VESSELS Part 2 pp. 11-12

[Note all page numbers and notes will be enclosed in these brackets]

SAN FRANCISCO NAVAL SHIPYARD Code No. (200) San Francisco 24, Calif.

RECORD OF TELEPHONE CONVERSATION BETWEEN CAPTAIN W. G. WALSH, RADIOLOGICAL OFFICER, FOR JOINT TASK FORCE 1 AND CAPTAIN C. J. CATER, PLANNING OFFICER, SAN FRANCISCO NAVAL SHIPYARD, ON THIS DATE.
11 September 1946.

Captain Walsh stated that he had his apparatus ready to conduct the tests for sandblasting which he would like to conduct on 12 September starting at 9:00 A.M. Captain Cater stated the Yard would be ready.

Captain Walsh requested 1 small sandblaster be set up and that provisions be made for sandblasting a small area just the same as would be done under normal conditions. Captain Walsh assumed that the surface to be sandblasted would be wet down. In addition, the following equipment will be required.

3 – positive pressure masks
3 – suits of safety clothing

(The-above includes the clothing for the men operating the sandblaster and one person taking samples)

Captain Walsh requested that a vacuum blasting set be set up in a similar manner for trial following the first sandblasting mentioned above.

Captain Walsh desired to conduct a test of cutting a salt water line in a closed compartment. For this test, special clothing and pressure mask will also be required. Captain Walsh desired to try a special solution which he has developed in a contaminated saltwater line. He desires that the Yard designate a line that will hold about 50 gallons, and that may be blanked off. First, this line will be flushed out with

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Code No. (200)

fresh water and then the 50 gallons of solution will be put in and left for between 48 and 72 hours. Captain Walsh also, desires the total capacity of all saltwater lines in a destroyer, and an APA.

C. J. CATER Captain, USN Planning Officer
CC: 100
165
300
335
330
240

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