 | 1974 - 816 páginas
...limit values (TLV's) refer to airborne concentrations of substances and represent conditions under which it is believed that nearly all workers may be repeatedly exposed day after day without adverse effects. Because of wide variation in individual susceptibility, however, a small percentage of workers... | |
 | 1966 - 276 páginas
...be regarded as fine lines between safe and dangerous concentrations. They represent conditions under which it is believed that nearly all workers may be...repeatedly exposed, day after day, without adverse effect. The values listed refer to timeweighted average concentrations for a normal workday. The amount... | |
 | United States. Congress. Joint Committee on Atomic Energy - 1960 - 842 páginas
...not be regarded as fine lines between safe and dangerous conditions. They represent conditions under which it is believed that nearly all workers may be...repeatedly exposed, day after day, without adverse effect. These statements indicate that there is some hazard involved in exposure to toxic materials... | |
 | United States. Public Health Service - 1964 - 270 páginas
...be regarded as fine lines between safe and dangerous concentrations. They represent conditions under which it is believed that nearly all workers may be...repeatedly exposed, day after day, without adverse effect. The values refer to time-weighted average concentrations for a normal workday." 18 Both the... | |
 | United States. Bureau of Reclamation - 1968 - 406 páginas
...Threshold Limit Values refer to air-borne concentrations of substances and represent conditions under which it is believed that nearly all workers may be...repeatedly exposed, day after day, without adverse effect. Because of wide variation in individual susceptibility, exposure of an occasional individual... | |
 | United States. Congress. House. Committee on Education and Labor - 1968 - 1142 páginas
...Threshold Limit Values refer to air-borne concentrations of substances and represent conditions under which it is believed that nearly all workers may be...repeatedly exposed, day after day, without adverse effect. Because of wide variation in individual susceptibility, exposure of an occasional individual... | |
 | United States. Congress. House. Committee on Education - 1968 - 1288 páginas
...Threshold Limit Values refer to air-borne concentrations of substances and represent conditions under which it is believed that nearly all workers may be...repeatedly exposed, day after day, without adverse effect. Because of wide variation in individual susceptibility, exposure of an occasional individual... | |
| |
refer to airborne concentrations of substances and represent conditions under which it is believed that nearly all workers may be repeatedly exposed day after day without adverse effect. 
