Abstract: Hawaiian volcanoes characteristically have but few of the many types of minerals found in incrustations of other volcanic areas. In Hawaii sulfates resulting from air oxidation of volatiles predominate, and fluorides produced during rock alteration by fumarolic gases are prominent. Halides are generally found where reducing conditions exist in fumaroles and lava lake drill […]
Abstract Predictive and conceptual models are used to examine the contamination, toxicology, and residues of sodium fluoroacetate (Compound 1080) in relation to its application in vertebrate pest control programmes on forest and pastoral lands. As a pesticide, the toxin appears to be neither mobile nor persistent. Exceedingly slender opportunities exist therefore for significant contamination of […]
The south prong of the Alafia River is polluted with fluorides, making its water unsuitable for drinking, Hillsborough County environmental chemist Tom Cardinale said yesterday. “If that’s so, the Picnic dam and reservoir are shot down right now,” John Logan, Hillsborough water resources director, responded. Removing fluoride from water is prohibitively costly, he said. The […]
LAKE ARROWHEAD – The majestic pines have made the Lake Arrowhead region one of California’s favorite playlands. Today, the familiar sound of the wind whistling through the primeval forests is being replaced with shattering echoes of chain saws cutting up timber from over a thousand acres of damaged trees. Lake Arrowhead is big ecological news. […]
WHEN THE TOPIC of fluoridation comes up, most people laugh at the poor unfortunate people who still think fluoridation is harmful. But most people don’t know about the seriousness of fluoride air pollution. In places like the Bay Area (San Francisco), where the air we breathe is fluoridated, it may not be a good idea […]
It was the first day of the fall term. Mrs. Lucille Davis had already handed out the spelling assignments, but the children were restless. The heat in the classroom was stifling. Even on the shaded porch of the little schoolhouse, in Garrison, Montana, the thermometer registered 98 degrees. As her third-graders fretfully turned to their […]
Excerpts TECHNICAL REPORT 69-7-C14 THERMAL DEGRADATION OF POLYVINYLIDENE FLUORIDE AND POLYVINYL FLUORIDE BY OVEN PYROLYSIS by John T. Stapler William J. Barnes William E. C. Yelland Materials Research Division Project Reference IT024401A329 Series: C&W4-50 July 1968 Clothing and Organic Materials Laboratory U. S. ARMY NATICK LABORATORIES Natick, Massachusetts 01760 FOREWORD This report is based on […]
IN THE BURINING OF PORTLAND CEMENT CLINKER THE FLUORINE IS PARTLY DRIVEN OUT OF THE RAW MATERIAL AND FUEL. IN ORDER TO ELUCIDATE THE QUESTION WHETHER THE FLUORINE IS EMITTED IN GASEOUS FORM WITH THE KILN EXIT GASES OR IS COMBINED IN SOLID FORM IN THE CLINKER OR IN THE DUST, COMPLETE FLUORINE BALANCES FOR […]
Special to The New York Times SAN FRANCISCO, Dec. 3– Dr. Francis A. Arnold Jr., former chief dental officer of the Public Health Service and assistant Surgeon General of the United States, died Friday at the Public Health Service Hospital here. He was 56 years old. Fluoride Innovator Dr. Arnold had retired in September from […]
Virtually all U.S. dentists now agree that the best way to prevent tooth decay is to fluoridate water supplies so that children get the benefits from the time their tooth buds begin to form—only a few weeks after conception. Failing that, many dentists paint stronger fluoride solutions on children’s teeth once or twice a year. […]
