(1) The urinary fluoride concentrations of workers exposed to calcium fluoride (CaF2) during fluorspar processing were measured.
(2) These results indicate that the low aqueous solubility of fluorspar reduced the biologic availability of the fluoride ion but that this did not prevent excessive fluoride absorption in some workers.
(3) The rate in one census division was higher (63 vs 53) most probably because of the higher risk of men who worked in the St. Lawrence fluorspar mines.
(4) The filtration efficiencies of respirator filters and filtering facepieces have been tested against radon daughters in a fluorspar mine.
(5) This paper reviews the problem of radiation-induced carcinoma of the lung in the fluorspar mines of Newfoundland.
(6) A cohort study of the mortality experience (1950-1984) of 1,772 Newfoundland underground fluorspar miners occupationally exposed to high levels of radon daughters (mean dose = 382.8 working levels months) has been conducted.
(7) Although all studies have some deficiencies, those of major importance include uranium miners in Saskatchewan, Canada, Swedish iron miners, and Newfoundland fluorspar miners.
(8) A study was conducted in a fluorspar milling plant to assess the effectiveness of tracer gases as a reliable supplement to conventional air-monitoring and ventilation measurements.
(9) A combined epidemiological and clinical study of vibration-induced white finger (VWF) was carried out involving 115 men in four fluorspar mines.
(10) There was poor correlation between intensity of environmental exposure to fluorspar and postshift fluoride concentration in the urine.
Kand
Definition:
(n.) Fluor spar; -- so called by Cornish miners.
Example Sentences:
(1) Cortical superfusion of GABA during the infusion of leptazol, enhanced kand prolonged the wave-like phase, whilst bicuculline reduced it.