 ... coverage" of the TLVs. Threshold limit values refer to time-weighted concentrations for a 7 or 8-hour workday and 40-hour workweek. They should be used as guides in the control of health hazards and should not be used as fine lines between safe and...  The Federal metal and nonmetallic mine safety act: hearings before the ... - Page 466by United States. Congress. House. Committee on Education and Labor. Subcommittee on Manpower, Compensation and Health and Safety - 1976 - 604 pagesFull view - About this book
 | Weights and measures - 1967 - 298 pages
...compounds) in dusts, fumes, gases, vapors, mists, etc. The Values, which are under continuous review, are used as guides in the control of health hazards and should not be regarded as fine lines between safe and dangerous concentrations. Several States, the US Department... | |
 | Mines and mineral resources - 1974 - 816 pages
...condition or by development of an occupational illness. TLV's refer to time-weighted-concentrations for a 7- or 8-hour workday and 40-hour workweek. They...fine lines between safe and dangerous concentrations. Time -weighted averages permit excursions below the limit during the workday. The degree of the permissible... | |
 | Administrative law - 1966 - 276 pages
...prevent contact with any of the energized parts. APPENDIX I THRESHOLD LIMIT VALUES FOR 1963 These values should be used as guides In the control of health hazards and should not be regarded as fine lines between safe and dangerous concentrations. They represent conditions under which... | |
 | United States. Bureau of Labor Standards - Accidents - 1960 - 176 pages
...safety in the event that they fall into the water. Appendix I THRESHOLD LIMIT VALUES Threshold limits should be used as guides in the control of health hazards and should not be regarded as fine lines between safe and dangerous concentrations. They repre sent conditions under... | |
 | United States. Congress. Joint Committee on Atomic Energy - Radiation - 1960 - 1378 pages
...committee for changes, revisions, and additions as further information becomes available. These limits should be used as guides in the control of health hazards and should not be regarded as fine lines between safe and dangerous concentrations. They represent conditions under which... | |
 | United States. Congress. Joint Committee on Atomic Energy - Radiation - 1960 - 842 pages
...Conference of Government Industrial Hygienists Committee on Threshold Limits states : Threshold limits should be used as guides in the control of health hazards and should not be regarded as fine lines between safe and dangerous conditions. They represent conditions under which... | |
 | United States. Congress. Atomic Energy Joint Committee - 1960 - 828 pages
...Conference of Government Industrial Hygienists Commitp on Threshold Limits states : atreshold limits should be used as guides in the control of health hazards and Uuld not be regarded as fine lines between safe and dangerous conditions. They present conditions under... | |
 | United States. Public Health Service - Lungs - 1964 - 270 pages
...airborne dust. The American Conference of Governmental Industrial Hygienists emphasizes that the values "should be used as guides in the control of health hazards and should not be regarded as fine lines between safe and dangerous concentrations. They represent conditions under which... | |
 | United States. Congress. House. Committee on Education - 1968 - 1288 pages
...further details of these tests should be directed to the Chairman of the Committee. Threshold limits should be used as guides in the control of health hazards and should not be regarded as fine lines between safe and dangerous concentrations. Exceptions are the substances given... | |
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