Document Details

Extracted Pages from: Y/TS-1633 "Compilations of Correspondence Pertaining to Use of Mercury at Y-12: Worker Health 12/96 L. L. McCauley
Subject Terms:
industrial hygiene, toxic; mercury, thallium; exposure, Y-12 Plant; health hazard, metal
Document Location:
DOE INFORMATION CENTER 1 Way, Oak Ridge, TN 37831; Eva Butler; Phone: 865-241-4780; Toll-Free: 800-382-6938, Option 6; FAX: 865-574-3521; Email:
Document Categories:
Health, Safety and Environment\Worker Health and Safety; Health, Safety and Environment\Worker Health and Safety
Document Type:
Publication Date:
1975 Dec 31
Declassification Date:
1997 Feb 26
Declassification Status:
Document Pages:
Accession Number:
Document Number(s):
Originating Research Org.:
Oak Ridge Y-12 Plant
OpenNet Entry Date:
1998 Jun 16
This intra-laboratory correspondence is concerning the toxicity of thallium. Thallium and its salts are toxic. It can cause damage to the eyes, loss of hair, attack on the nervous system, digestive tract, kidneys and circulatory system. Thallium compounds in solution are easily absorbed through the skin. Personnel exposed to thallium or any of its salts should wear a respirator to avoid inhaling the material, protective clothing to avoid skin contact and chemical safety goggles to protect the eyes. Personnel should be warned to avoid prolonged or repeated contact with this material or its salts, dry or in solution, and protective clothing worn when working with it should be washed often. No one should be allowed to eat, smoke, or store food in the area where this is in use. Also included was internal correspondence dated January 22, 1975, concerning the health hazards of mercury-thallium. Mercury and thallium are both highly toxic metals by any way of entry into the body. Inhalation or skin absorption must be avoided. An airline respirator or respirators equipped with mersorb cartridges and rubber gloves would be recommended if a problem was encountered in the operation.

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