Fluoride
Reports from the National Technical Information Service (NTIS)
1976-1979
 
 

Return to Reports Page

Due to the number of reports, the following
are the categories we present them.
(Note: these reports were cited on Toxline at Toxnet in April 2005)
Fluoride (all reports except Canada)
Fluoride: CANADA
Fluoride in the
Nuclear Industry
Note: many of the
Canadian communities
cited in these reports
border the US.
-
-
Note: this is a selected
list of reports.

NTIS Reports can be ordered by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA.

Order Number

Source Number

Date Published / Title / Author & Affiliation / Sponsor Agency Abstract /Keywords

NTIS/PB80-102247

187p

1979. Evaluation of Control Technology for the Phosphate Fertilizer Industry

Author: Boscak VG

Research Corp. of New England, Wethersfield, CT.

Supporting Agency: Industrial Environmental Research Lab., Research Triangle Park, NC.

The report gives results of a phosphate fertilizer industry study to evaluate multimedia control technology, identify information gaps, and define needed RDandD projects. The following manufacturing processes were covered: wet process phosphoric acid, superphosphoric acid, diammonium phosphate, and normal and triple superphosphate. Air emission control technology, based largely on using wet scrubbers, is adequate for control of fluoride and particulate and is used throughout the industry. The cross-flow packed scrubber appears to be the best and applies to all processes. The gypsum pond appears to be the major environmental concern: main problems are fluoride emissions to the atmosphere and possible leaching of fluoride, phosphate, and radioactive substances. None of the several control alternatives are economically attractive. RDandD projects identified and defined in this study are: (1) an epidemiologic study of the industry; (2) studies of gypsum pond emissions and chemistry; (3) an evaluatio [abstract truncated]

NTIS/PB80-128580

57p

1979. Drinking-Water Quality and Variations in Water Levels in the Fractured Crystalline-Rock Aquifer, West-Central Jefferson County, Colorado

Authors:
Hall DC
Johnson CJ

Geological Survey, Lakewood, CO. Water Resources Div.

In parts of the area, water for domestic use obtained from the fractured crystalline-rock aquifer contained excessive concentrations of dissolved fluoride, dissolved nitrite plus nitrate, dissolved solids, dissolved iron, dissolved manganese, dissolved zinc, coliform bacteria, gross alpha radiation, and gross beta radiation. Based on water-quality analyses from 26 wells located in small urbanized areas, water from 21 of the wells contained excessive concentrations of one or more constituents. Local variations in concentrations of 15 chemical constituents, specific conductance, and water temperature were statistically significant. Depths to water in 11 non-pumping wells ranged from 1 to 15 feet annually. Three-year trends in water-level changes in 6 of the 11 wells indicated a decrease in stored water in the aquifer. Water-resources investigations (Interim) Prepared in cooperation with Jefferson County Health Dept., CO.

NTIS AD Rep. AD-A072,720

31 pp.

1979. Water quality in the proposed Prosperity Reservoir area, Center Creek Basin, Missouri.

Authors:
Barks JH
Berkas WR

Water Resour. Div., Geol. Surv., Rolla, MO

Water in Center Creek basin upstream from the proposed Prosperity Reservoir dam site is a calcium bicarbonate type that is moderately mineralized, hard, and slightly alkaline. Ammonia and organic nitrogen, phosphorus, total organic carbon, chemical oxygen demand, and bacteria increased considerably during storm runoff, probably due to livestock wastes. Nitrogen and phosphorus concentrations are probably high enough to cause the proposed lake to be eutrophic. Minor-element concentrations were at or near background levels in the dissolved, total, and bottom phases. The only pesticides detected were 0.01 mug/l of 2,4,5-T in one base-flow sample and 0.02-0.04 mug/l of 2,4,5-T and 2,4-D in all storm-runoff samples. Fecal coliform and fecal streptococcus densities ranged from 2-650 and 2-550 colonies/100 ml, respectively, during base flow, but were 17,000-45,000 and 27,000-70,000 colonies/100 ml, respectively, during storm runoff. Water in Center Creek about 2.5 miles downstream from the proposed dam site is similar in quality to that upstream from the dam site except for higher concentrations of sodium, sulfate, chloride, fluoride, nitrogen, and phosphorus. These higher concentrations are caused by fertilizer industry wastes that enter Center Creek about 1.0 mile downstream from the proposed dam site.

NTIS/PB82-114695

18p

1979. Sulfuryl Fluoride: Collection in Gas Sampling Bag, GC with Flame Photometric Detection (Analytical Method S245)

National Inst. for Occupational Safety and Health, Cincinnati, OH.

The NIOSH analytical method S245 for determining sulfuryl-fluoride (2699798) in air is described. Samples are collected in a gas sampling bag and are analyzed by gas chromatography with a flame photometric detector. The working range of the method is 2.54 to 10.29 parts per million, the coefficient of variance is 0.025, and the detection limit is 0.1 part per million. Analytical apparatus, reagents and procedures are described, and calculations are provided for determining sample concentrations. Data on recovery and stability rates is included.

NTIS/UR-3490-1658

308p

1979. Absorption, Distribution and Excretion of Inhaled Hydrogen Fluoride in the Rat

Author: Morris JB
Author Address:

Rochester Univ., NY. Dept. of Radiation Biology and Biophysics.

Supporting Agency: Department of Energy.

Rats were subjected to whole body HF exposure for 6 hrs or to nose-only HF exposure for 1 hr. Total and/or ionic fluoride concentrations in selected tissues were determined at various times following exposure. In rats sacrificed 6 hrs after whole body exposure, dose-dependent increases in lung, plasma, and kidney total and ionic fluoride concentration occurred. Rats excreted more fluoride in the urine after whole body exposure than could be explained by the amount of HF inhaled. Considerable evidence suggests that airborne HF deposits on fur and is then ingested due to preening activity. Urinary fluoride excretion was increased by nose-only exposure. The urinary fluoride excretion accounted for approximately twice the fluoride estimated to be inhaled during exposure. Tissue fluoride concentrations were elevated immediately after nose-only exposure. Fluoride concentrations in lung and kidney returned to control levels within 12 hrs. Plasma fluoride concentration was slightly elevated 24 hrs after [abstract truncated]

NTIS/PB80-199268

16p

1979. Health Hazard Evaluation Determination Report No. 79-8-584, Stauffer Chemical Company, Silver Bow, Montana

Author: Gunter BJ

National Inst. for Occupational Safety and Health, Cincinnati, OH. Health Hazard and Technical Assistance Branch.

Environmental evaluations were conducted on December 19 to 21, 1978, at the Stauffer Chemical Company (Standard Industrial Classification 5161) in Silver Bow, Montana in response to a request from Teamsters Local Number 2 in Butte, Montana, to determine potential toxic exposures associated with the processing of ore and the production of elemental phosphorus (7723140) (P4) among 75 to 80 workers. Breathing zone and general room air samples were analyzed for phosphorus pentoxide (1314563) (P205), elemental phosphorus, crystalline silica (7631869), total particulate, fluoride, and vanadium pentoxide (1314621). Concentrations of P205 ranged from 1.7 to 9.2 milligrams per cubic meter (mg/cu m). No OSHA criteria currently exists for this compound. In 3 out of 4 respirable crystalline silica samples, concentrations ranging from 0.09 to 0.183mg/cu m exceeded the OSHA standard of 10mg/cu m divided by the percent of respirable quarts (1480607) plus 2. All other samples were within the most recent evaluat [abstract truncated]

NTIS/K/PO/SUB-79/31057/1

104p

1979. Airborne Uranium, Its Concentration and Toxicity in Uranium Enrichment Facilities

Authors:
Thomas J
Mauro J
Ryniker J
Fellman R

Envirosphere Co., New York.

The release of uranium hexafluoride and its hydrolysis products into the work environment of a plant for enriching uranium by means of gas centrifuges is discussed. The maximum permissible mass and curie concentration of airborne uranium (U) is identified as a function of the enrichment level (i.e., U-235/total U), and chemical and physical form. A discussion of the chemical and radiological toxicity of uranium as a function of enrichment and chemical form is included. The toxicity of products of UF sub 6 hydrolysis in the atmosphere, namely, UO sub 2 F sub 2 and HF, the particle size of toxic particulate material produced from this hydrolysis, and the toxic effects of HF and other potential fluoride compounds are also discussed. Results of an investigation of known effects of humidity and temperature on particle size of UO sub 2 F sub 2 produced by the reaction of UF sub 6 with water vapor in the air are reported. The relationship of the solubility of uranium compounds to their toxic effects wa [abstract truncated]

NTIS/PB80-153935

346p

1979. Primary Aluminum: Guidelines for Control of Fluoride Emissions from Existing Primary Aluminum Plants

Environmental Protection Agency, Research Triangle Park, NC. Office of Air Quality Planning and Standards.

This document serves as a text to State agencies in planning for control of fluoride emissions from existing primary aluminum plants. Achievable fluoride capture and removal efficiencies are given for new retrofit hooding and for primary and secondary removal devices, respectively. Methods for deriving capital and annualized costs are illustrated by a few examples. Costs and fluoride emission reductions achieved by actuao retrofits are given for ten plants, and the construction scope of work is described in detail for three of these plants. The guidelines are presented as recommended control technologies that will achieve certain average control efficiencies when applied as new retrofits to existing plants.

NTIS/PB80-167125

11p

1979. Health Hazard Evaluation Determination Report 79-112-636, Stearns-Roger Fabricators, Inc., Denver, Colorado

National Inst. for Occupational Safety and Health, Cincinnati, OH. Health Hazard and Technical Assistance Branch.

Fifty eight breathing zone and general room air samples were taken on workers, at the Sterns-Roger Fabricators, Inc., Denver, Colorado, for manganese, iron oxide fume, fluoride, nickel, copper, chromium (VI), and chrome (metal). Concentrations of manganese, iron oxide, nickel, copper, and chrome (metal) were all well within the most recent evaluation criteria. An overexposure to fluoride existed in one of the five workers monitored for fluoride. Seven Cr+6 samples were taken in the general area and in the breathing zone of welders welding stainless steel. All levels were below the NIOSH laboratory limits of detection (.005 mg/sample). All workers were interviewed pre- and post-shift by a NIOSH medical team. Based on data collected, workers did not have medical problems. Based on industrial hygiene data, the only hazard existing at the time of this survey was one overexposure to fluoride.

NTIS/AD-A289 920/1

115p

1979. Expected Fluoride Contaminant Loading Within Expanded North Boundary Control System.

Author: Campbell DL

Army Toxic and Hazardous Materials Agency, Aberdeen Proving Ground, MD.

Geotechnical surveys have been recently completed in the North Boundary Vicinity of Rocky Mountain Arsenal to define the arsenal's subsurface hydrogeology. Water table measurements and permeability estimates have been generated to refine flow direction and quantify ground water movement of the alluvial aquifer as it flows across the North Boundary. This document presents a compilation of data assessments based upon the aforementioned survey results on expected fluoride contaminant loading with the proposed expanded North Boundary control system. As a result of these assessments, it has been determined that there is a good possibility that fluoride levels within the expanded treatment subsystem will be naturally below the state of Colorado limit, this may negate the need to add a costly fluoride removal module to the proposed granular carbon organic removal process. -BKA.

NTIS/AD-A286 122/7,

14p

1979. Test Plan for Pilot Test Program for Removal of Excess Fluoride from Activated Carbon Effluent.

Rubel and Hager, Inc., Tucson, AZ.

In accordance with a directive from the Colorado Department of Health, the reinjection water at the north boundary of RMA will be subject to drinking water standards established by EPA and CDH. In response to this directive, Rubel and Hager engaged to perform a feasibility study during September 1978. The results documented that using the activated alumina treatment method, the excess fluoride can be removed from the carbon treated water at the reinjection site. At the conclusion of the feasibility study, it was determined that further pilot testing would be necessary to optimize the caustic regeneration procedure for maximum long-term economy. Therefore, this pilot test program has been established. Under this program the following tasks will be: (1) to determine whether there are any interferences present in the activated carbon effluent that may reduce the efficiency of the process, (2) an optimum alumina regeneration process will be developed to minimize operating costs.

NTIS/K/ET-252

46p

1979. Some Considerations in the Handling of Fluorine and the Chlorine Fluorides

Authors:
Farrar RL Jr
Barber EJ

Oak Ridge Gaseous Diffusion Plant, TN.

This paper reviews many considerations in the safe handling of fluorine and the chlorine fluorides. The physical, chemical, and toxicological properties of the materials are reviewed. Proper choice of materials of construction and materials in contact with the active gases are considered. The survey includes safe practices in design and operation of experiments and processes. Soda lime traps and caustic scrubbing are reviewed for fluorine disposal methods. Finally some explosive reactions and explosive situations are discussed. (ERA citation 04:048962)

NTIS/PB80-114184

244p

1979. The Contribution of Drinking Water to Mineral Nutrition in Humans

National Research Council, Washington, DC.

The first undertaking of the Safe Drinking Water Committee of the National Academy of Sciences was the identification of substances and their concentrations in the nation's water supply that might pose risks to the public health. This report, on the other hand, identifies and discusses substances found in drinking water which may have nutritional significance. The substances addressed include calcium, magnesium, phosphorus, fluoride, sodium, potassium, chloride, iodine, iron, copper, zinc, selenium, manganese, arsenic, nickel, vanadium, silicon, molybdenum, and chromium. For each substance, data on occurrence in food and water are reviewed, nutritional requirements, toxicity versus essential levels, and the contribution from drinking water are assessed. Recommendations are made regarding the appropriateness of controlling these substances in drinking water.

NTIS/PB80-139348

30p

1979. Revised Prioritized List of Source Categories for NSPS (New Source Performance Standards) Promulgation

Author: Monarch MR

Argonne National Lab., IL. Energy and Environmental Systems Div.


Supporting Agency: Environmental Protection Agency, Research Triangle Park, NC. Emission Standards and Engineering Div.

The Clean Air Act Amendments of 1977 require that the USEPA consider specific criteria in determining priorities for setting NSPS for major source categories: quantity of air pollutant emissions, extent to which air pollutant emissions endanger public health and welfare and the mobility and competitive nature of each source category. A previous report (EPA-450/3-78-019) describes a methodology that has been developed for prioritizing source categories using the Clean Air Act criteria. The methodology, which employs three distinct computer programs, was applied to a data set of over 150 major source categories for nine different air pollutant emissions (particulate matter, sulfur dioxide, nitrogen oxides, hydrocarbons, carbon monoxide, lead, sulfuric acid mist, hydrogen sulfide, and fluorides). The program output is a prioritized list of source categories for NSPS promulgation over a ten year period based on a multipollutant source category emission analysis, and was used to propose standard-sett [abstract truncated]

NTIS/TREE-1370

30p

1979. Raft River Geothermal Aquaculture Experiment. Phase II

Authors:
Campbell DK
Rose FL
Kent JC
Watson LR
Sullivan JF

Idaho National Engineering Lab., Idaho Falls.

Channel catfish, tilapia and Malaysian prawns were cultured directly in geothermal water for approximately seven months at the Department of Energy, Raft River Geothermal Site, to evaluate the organisms throughout a grow-out cycle. Parameters evaluated included survival, growth, bioaccumulation of metals and fluoride, collagen synthesis, and bone calcium levels. Growth at Raft River was slightly lower than at a companion commercial facility at Buhl, Idaho, but was attributed to facility differences rather than an adverse impact of geothermal water. No significant differences were recorded between Raft River and Buhl fish for bone calcium or collagen concentrations. No significant accumulation of heavy metals by fish or prawns was recorded. (ERA citation 04:053113)

NTIS/RFP-ENV-78

54p

1979. Annual Environmental Monitoring Report, US Department of Energy, Rocky Flats Plant, January--December 1978

Author: Howerton RD

Atomics International Div., Golden, CO. Rocky Flats Plant.

Supporting Agency: Department of Energy.

An environmental monitoring program that included the sampling and analysis of air, water, and soil on and off the plant site was conducted. Particulate samples were collected from air samplers that operated continuously at the plant perimeter and in 12 communities located near the plant. An analysis of these samples indicated that the concentrations of airborne plutonium at perimeter and community locations were identical and were within the range attributed primarily to fallout from atmospheric nuclear weapons testing. The sanitary water was processed through a tertiary treatment facility before discharge, and the discharges were monitored for compliance with the Plant's National Pollutant Discharge Elimination System (NPDES) permit. Violations of NPDES daily limits occurred on nine occasions and were related to fluoride, pH, suspended solids, and biochemical oxygen demand. In all cases, the causes for these violations were identified and corrective actions taken. The plutonium, uranium, ameri [abstract truncated]

NTIS/PB82-162579

42p

1979. Industrial Hygiene Sampling Survey Report of Monsanto Commercial Products Co., St. Peters, Missouri 63376

Author: Briggs T

PEDCo-Environmental, Inc., Cincinnati, OH.

Worker exposure to silica (7631869) and crystalline alpha-quartz (14808607) particulates, hydrogen-fluoride (7664-39-3), nitrogen-dioxide (10102440), nitric-oxide (10102439), arsenic (7440382), trichlorotrifluoroethane (76131) and isopropanol (67630) were surveyed at Monsanto Commercial Products Company (SIC-2833) in St. Peters, Missouri, from April 10 to 12, 1979. The survey was part of a study of developing energy technologies. A walk-through survey had been conducted on September 1, 1978. Over a 1000 workers were employed, half of whom were female. Pre-employment and periodic medical examinations were conducted. Industrial hygienists were available locally and at corporate headquarters. The medical program was limited to general industrial health. Analysis of personal and area samples indicated concentrations of particulates, hydrogen-fluoride, and nitric-oxide of 0.02 to 0.52, 0.01 to 3.45, and 0.09 to 0.17 milligrams per cubic meter (mg/cu m), respectively. Concentrations of arsenic ranged fr [abstract truncated]

NTIS/PB80-149628

13p

1979. Mining Health Hazard Evaluation HHE 79-101-105 Weld Shop

Author: Vegella T

National Inst. for Occupational Safety and Health, Cincinnati, OH.

Environmental sampling for lead (7439921), fluorides, (16984-48-8), total chromium (7440473), manganese (7439965), and nickel (7440020) and urinary samples for fluoride were done on January 22 and 23, 1979 at Eastern Associated Coal Corporation, Federal No. 2. Sampling was in response to a request by company officials to evaluate the exposure of surface weld shop workers to hazardous materials. Except for lead, all substance levels were below evaluation criteria; and all urinary concentrations were within normal limits. Two of 11 lead samples (0.09 and 0.11 milligrams of substance per cubic meter or air) exceeded and 2 other other samples were equivalent to the OSHA standard for lead of 0.05 milligrams of substance per cubic meter of air. It is concluded that proper protective measures should be taken when welding and cutting previously painted metal surfaces and work procedures for use of the degreasing tank should be improved. It is recommended that a substitute be found for the use of lead base [abstract truncated]

NTIS/AD-A290 813/5

69p

1978.Investigation of the Northwest Area of Rocky Mountain Arsenal.

Rocky Mountain Arsenal, Denver, CO.

The goal of the Rocky Mountain Arsenal (RMA) northwest area effort was to evaluate groundwater pollution of the near surface aquifer in this area of the Arsenal. To accomplish this goal, sufficient additional geological, hydrological, and water chemistry data was collected to interpret existing information and provide data from parts of the study area where little or no data previously existed. Soil samples were collected to provide geological and hydrological information. Well water samples were drawn to determine groundwater chemistry. The most significant water constituents were DIMP, DCPD, DBCP (Nemagon), and fluoride. Similar geological and hydrological results were obtained as previously mentioned. Fluoride levels exceeding the acceptable standard appeared to be crossing the northwest Arsenal boundary. High DIMP concentrations were observed in an area generally northwest of the northwest part of Basin F. The existence of DCPD could not be established because of problems with sampling. DBCP

NTIS/AD-A956-499/8

41p

1978. Evaluation of RMA Fluoride Data.

Rocky Mountain Arsenal, Denver, CO.

In summary, it was concluded that: Fluoride concentrations for 15 out of 18 360 deg monitoring wells in the vicinity of the north boundary, northwest boundary, and north side of Basin F at RMA are averaging above the State of Colorado standard of 2.4 mg/1. The evaluation of this data has resulted in a range of levels between 0.763 and 7.462 mg/l. At the north boundary in the vicinity of the pilot containment/treatment system, fluoride levels average approximately 3.5 mg/l. Evaluation of the data for seasonal trends over a two-year period 75127 (1 Jun 75) to 77003 (1 Jan 77) yielded inconclusive results. Limited success was realized in the determination of temporal trends. Several wells in the vicinity of Basin F show consistent decrease of fluoride concentration with time (approximately 0.5 mg/l per year).

NTIS/AD-A290 322/7

13p

1978. Fluoride Removal Test Plan, Task 1.05.15.

Author: Prusinski DM

Rocky Mountain Arsenal, Denver, CO.

As part of an overall north boundary containment system the Project Manager's Office has outlined program tasks to be performed. These tasks seek to solve the problem of contaminates migration across the north boundary at Rocky Mountain Arsenal, and thus address the Cease and Desist Orders issued by the Colorado Department of Health in April 1975. This paper addresses the task of developing a fluoride removal process. The task of developing a fluoride removal process was broken into two stages; (1) a literature search to determine and compare methods, and (2) a testing plan to quantify the parameters of the most promising method. The literature search revealed activated alumina adsorption to be the most efficient up to 10 ppm levels of fluoride (these levels are above those found on the north boundary at RMA). While the important parameters (pH, flow rates) were listed, the values were ranged rather than quantified. The effects of different types of activated alumina were not listed possibly due [abstract truncated]

NTIS/PB82-238882

37p

1978. Health Hazard Evaluation Determination Report No. 76-89-456. Chrysler Detroit Tank Plant, Warren Michigan

National Inst. for Occupational Safety and Health, Cincinnati, OH.

A NIOSH Health Hazard Evaluation was conducted at the Chrysler Detroit Tank Plant, Warren, MI., at the request of an employee representative of the United Auto Workers, Local 1200. The purpose of this study was to evaluate the exposures of employees working in or near the production welding departments to stainless steel welding fumes containing chromium, hexavalent chromium (VI), inorganic nickel, iron oxide, manganese, and fluorides.

NTIS/DE83017638

Portions are illegible in microfiche products.

41p

1978. Incidence of Human Dental Fluorosis in the Raft River Geothermal Area in Southern Idaho. Final Report.

Authors:
Shupe JL
Olson AE
Peterson HB

Utah State Univ. Foundation, Logan.

Supporting Agency: Department of Energy, Washington, DC.

A total of 270 school aged individuals representing 151 families living in the vicinity of the Raft River Geothermal area of Idaho were examined for evidence of dental fluorosis. Of these 132 had some dental anomaly. Fifty-two individuals from 45 families had lesions classified as typical dental fluorosis. Eleven of these, some of which had severe dental fluorosis recently moved into the area from other locations. Samples of the drinking waters that were likely consumed by the individuals with dental fluorosis were collected for analyses. In most instances the fluoride content of the waters were low and would not account for the tooth lesions. Possible reasons for lack of correlation are changing of the composition of the water, other sources of fluoride in the diet, and possibly analytical errors. (ERA citation 08:052468)

NTIS/PB91-185231

10p

1978. Compact Personal Monitor for Organic Air Polutants.
Author: West PW

Louisiana State Univ., Baton Rouge. Dept. of Chemistry.

Monitors for selected organic and inorganic gaseous hazards were developed. Initially the goal was to develop personal monitors utilizing the permeation approach and resulting in a light weight, inexpensive, accurate, reliable and convenient device, free from the usual environmental stresses. The results of field evaluations conducted for the detection of vinyl-chloride (75014), benzene (71432), toluene (108883), inorganic gases, hydrogen-fluoride (7664-39-3), and hydrogen-sulfide (7783064) were presented. Studies have substantiated the applicability of the permeation approach for monitoring benzene, toluene, trichloroethylene (79016), methylene-chloride (75092), chloroform (67663), and carbon-tetrachloride (56235). Laboratory and field tests have validated the vinyl-chloride monitor, and results from studies on the other gases have shown promise. Progress rept. 1 Feb 77-31 Jan 78. Sponsored by National Inst. for Occupational Safety and Health, Cincinnati, OH.

NTIS/N80-23897/5

40p

1978. Air Pollution Studies in the Nieuwe-Waterweg Region Using Deposit Gages, 1977 Data

Author: Vangiezen J

Research Inst. for Environmental Hygiene, TNO, Delft (Netherlands). Afdel. Buitenlucht.

Supporting Agency: National Aeronautics and Space Administration, Washington, DC.

The location of sampling stations are given, and some comparisons made with data from the previous year. Large variations in weight of precipitation dust and ash were observed. The percentage of iron increased somewhat, in one case 100 percent. The percentage of fluorides has remained constant. Measurements were made with liege bulbs and the British Standard Deposit Gauge. Some computations of the possibility of corrosion occurrence were made.

NTIS/PB81-150492

56p

1978. Health Hazard Evaluation Determination Report No. HE 77-41-505, General American Transportation Corporation, Masury, Ohio

Author: Price JH

National Inst. for Occupational Safety and Health, Cincinnati, OH. Health Hazard and Technical Assistance Branch.

Environmental and medical surveys were conducted on April 4 to 7, 1977, and June 7 to 9, 1977, to determine employee exposures to dust fumes, smoke and gases from welding and plasma arc cutting, *isocyanate (661201) vapors and x-ray radiation at the General American Transportation Corporation (SIC-3743) in Masury, Ohio. Authorized representatives of United Steelworkers of America, Local 1534 and 2318, requested the evaluation on behalf of approximately 1000 affected workers. Twenty four of 52 employees were exposed to concentrations of fluoride (16984-48-8), copper (7440508), iron oxide (1309371), nickel (7440020), chromium VI (7440473), vanadium (7440622) and total particulates in excess of OSHA standards. Concentrations of carbon monoxide (630080), formaldehyde (50000) and polymethylene polyphenyl isocyanate also exceeded current OSHA exposure limits. No abnormalities other than abrasions and burns associated with welding and heavy metal handling were found. The author concludes that excessive c

NTIS/PB82-238924

315p

1978. Diagnosing Vegetation Injury Caused by Air Pollution

Author: Hicks DR

Applied Science Associates, Inc., Valencia, PA.

Supporting Agency: Environmental Protection Agency, Research Triangle Park, NC.

This handbook explains the effects of various air pollutants on vegetation and how to diagnose the suspected injuries. It discusses the structure and function of plants in relation to air pollution injury and the different pollutants: photochemical oxidants, sulfur dioxide, fluorides, and minor pollutants. It also explains the interactions between pollutants and pollutants and pathogens, discusses mimicking symptoms, and identifies the sources and meteorological aspects of air pollution and the effects of topography on dispersion. The basic procedure and routine for diagnosis of suspected air pollution injury to vegetation is outlines. Charts, glossary and index are included.

NTIS/DE85011055

Portions of this document are illegible in microfiche products.

389p

1977. Draft Environmental Statement: The Alumax Environmental Statement.

Bonneville Power Administration, Portland, OR.

BPA proposed to serve the planned Alumax plant near Umatilla with ''Industrial Firm'' power, the same grade of power now being purchased by the other industrial customers served directly by BPA. The contract amount of power is 320 megawatts. This would involve construction and operation of the Alumax-Pacific Corporation, primary aluminum reduction plant and associated transmission and substation facilities, near Umatilla, Oregon. Construction and operation of the proposed facilities would result in degradation of air quality as related to particulates, sulfur oxides and fluorides. Increased population in adjacent local communities would require significant amounts of new land development, cause overcrowding in certain school districts, and further burden regional water systems. The increased tax base will allow for mitigation of these problems. 260 refs., 35 figs., 121 tabs. (ERA citation 10:028768)

NTIS/PB80-219132

20p

1977. Bibliography on Arthropoda and Air Pollutio

Author: Hay CJ

Northeastern Forest Experiment Station, Broomall, PA.

This bibliography contains 227 references on literature published through 1976 concerning observations or experiments involving Arthropoda in association with gases and particulates that pollute the air. References are listed in three sections: review papers; laboratory research; and field research. They are arranged by type of air pollutant: ozone sulfur oxides, fluorides, and other pollutants. Each reference is indexed by tree host and arthropod species. Forest Service general technical rept. (Final)

NTIS/PB88-247697

27p

1977. Exposure to Mixtures of Airborne Contaminants.

Author: Smith FA

Rochester Univ., NY. School of Medicine and Dentistry.

Final rept. 1 May 74-30 Apr 77, Sponsored by National Inst. for Occupational Safety and Health, Cincinnati,

Attempts were made to characterize the response of laboratory animals to particulates carried in the air and to gaseous airborne pollutants, as a preliminary step towards investigation of the effects of a mixture of gaseous and particulate pollutants. Guinea pigs were exposed to fluoride at 1.2mg/m3 as fluorspar dust of respirable size for 16 weeks, or to fluoride at 3.3mg/m3 as hydrogen-fluoride. The fluoride concentrations were increased in plasma, femur, and feces. Hydrogen-fluoride exposure also increased fluoride levels in the bile and urine. The number of alveolar macrophages was increased on dust exposure whereas the incidence of patchy pneumonitis was decreased on hydrogen-fluoride exposure. All these changes returned to normal after exposure to the fluoride agents was terminated, with the exception of skeletal fluoride levels. No evidence of continuing harmful effects was noted.

NTIS/PB81-227928

10p

1977. Fluorides in Dust: Sodium Fluoride from Allied Chemical, Morristown, NJ. (Failure Report No. S325)

National Inst. for Occupational Safety and Health, Cincinnati, OH.

Test results using the NIOSH analytical method S325 for particulate fluoride (16984-48-8) dust are reported. The method involves collection on a mixed cellulose ester membrane filter, ashing, fusion with a carbonate moisture, and analysis by a fluoride-specific electrode. Sample preparation and ashing procedures are described. Data on recovery rates from spiked samples is included. The method was unsatisfactory due to poor recovery rates and an unacceptably high coefficient of variance.

NTIS/PB81-229957

5p

1977. Walk-Through Survey Report at Alcoa Company, Alcoa, Tennessee

Author: Brown Jn

National Inst. for Occupational Safety and Health, Cincinnati, OH. Div. of Field Studies and Clinical Investigations.

Working conditions were surveyed at the Alcoa Company (SIC-3295) in Alcoa, Tennessee on May 23, 1977. The company employed 1,100 people. Production ran continuously on a three shifts per day basis. Potential hazards observed were exposure to fluorides, particulate polycyclic organic matter, heat, airborne dust and carbon-monoxide (630080). Areas of exposure included the potroom and carbon plant. The author concludes that exposure to environmental contaminants was very low due to extensive control systems, new equipment and automation. Industrywide study

NTIS/PB89-216600

15p

1977. Industrial Hygiene Survey, CF Chemicals, Inc., Bartow, Florida, August 9-12, 1976.

Authors:
Stephenson F
Cassady M

National Inst. for Occupational Safety and Health, Cincinnati, OH. Div. of Surveillance, Hazard Evaluations and Field Studies.

As part of a larger study of exposures in the phosphate industry, a survey was conducted at CF Chemicals, Inc., located in Bartow, Florida. At the facility there were eight major sections monitored: sulfuric-acid facility, phosphorus-acid facility, acidulation facility, three diammonium-phosphate facilities, two product storage areas, two shipping areas, operations and staff office, and quality control laboratory. The major products were diammonium-phosphate and dicalcium-phosphate. Periodic sampling was performed for sulfur-dioxide (7446095), noise levels, ammonia (7664417), and fluoride. The ventilation systems were designed primarily for emission control and appeared to be adequate. With the exception of two samples for fluorides and three samples of chromium (7440473), the emissions were within the levels recommended. The authors recommend the use of tank entry procedures and personal protective equipment.

NTIS/PB89-182000

22p

1977. Health Hazard Evaluation Determination Report No. 77-12-418, Airtex Products, Fairfield, Illinois,

Authors:
Gilles D
Anania TL
Ilka R

National Inst. for Occupational Safety and Health, Cincinnati, OH.

A health hazard investigation of exposure to solvents was conducted by NIOSH on March 2-3, 1977 at the Airtex Products plant in Fairfield, Illinois, a facility engaged in the manufacture of automobile replacement parts. Environmental air samples, employee interviews, evaluation of ventilation systems, and available toxicity information resulted in the conclusion that exposures to monochlorobenzene (108907), isopropyl alcohol (67630), methyl ethyl ketone (78933), toluene (108883), trichloroethylene (79016), sodium hydroxide (1310732), phosgene (75445), zinc oxide, cadmium (7440439), fluorides, hydrochloric acid (7647010), and oil mist did not pose a health hazard at the concentrations measured at the time of evaluation. It is felt that the cause of the problems (such as nausea, dizziness, headaches, breathing difficulties, nose bleeds, etc.) at Airtex is a multifactorial one, involving an inefficient ventilation system which, combined with the employees' lack of information about the materials th [abstract truncated]

NTIS/PB89-216055

3p

1976. Phosphate Fertilizer Industry Survey, CF Chemicals, Inc., Bartow, Florida, May 17, 1976.

Author: Wolf F

National Inst. for Occupational Safety and Health, Cincinnati, OH.

A walk-through industrial hygiene survey of the wet chemical operation was conducted at CF Chemicals, Inc., Bartow, Florida on May 17, 1976, as part of an industry-wide study of the phosphate fertilizer industry. Potential health hazards include sulfur dioxide, sulfuric acid mist, phosphoric acid, ammonia gas, radon daughters, and fluoride. These potential hazards exist under upset conditions. Potential exposure to dusts and radon daughters at the rock handling area is the only one where routine exposure could be expected.

NTIS/PB81-226516

193p

1976. Criteria for a Recommended Standard: Occupational Exposure to Hydrogen Fluoride

Author: Heitman PG

Washington Univ., Seattle. School of Public Health and Community Medicine.

'Hydrogen fluoride' is defined as: (a) Gaseous or liquified anhydrous hydrogen fluoride and aqueous solutions thereof (hydrofluoric acid). The abbreviations HF and HF acid, as used in this document, denote the anhydrous and aqueous forms, respectively; (b) Any gaseous fluoride which is a byproduct of processes using or producing hydrogen fluoride as defined above and is emitted into the air concomitantly with HF and HF acids. 'Occupational exposure to hydrogen fluoride' is defined as exposure to HF at airborne concentrations at or above one-half the recommended time-weighted average (TWA) environmental limit.

NTIS/PB88-237771

14p

1976. Preliminary Industrial Hygiene Survey of Kaiser Aluminum, Chemical Division, Gramercy, Louisiana,

Authors:
Hartle R
Boeniger M
Meinhardt T

National Inst. for Occupational Safety and Health, Cincinnati, OH. Div. of Surveillance, Hazard Evaluations and Field Studies.

A preliminary industrial hygiene survey was conducted at the Kaiser Aluminum Company, Chemical Division, Gramercy, Louisiana, to determine whether to include this facility in an epidemiological study of workers exposed to carbon-tetrachloride (56235). At the facility the following products were manufactured: alumina, chlorine, caustic, refrigerants, hydrogen-fluoride, aluminum-fluoride, and calci-coke (a high grade carbon). Raw materials used and possible contaminants included not only carbon-tetrachloride, but also hydrochloric-acid (7647010), ammonium-chloride (12125029), chloroform (67663), hydrogen-fluoride (7664-39-3), antimony-chloride (10025191), and caustic. An industrial hygienist was located at the facility and personal and area air samples were taken regularly in some potentially hazardous areas. A full time nurse was located at the site. Preemployment and periodic physical examinations were required of all workers. The primary potential health hazards existing at the site were related [abstract truncated]

NTIS/AD-A290 175/9

38p

1976. Rocky Mountain Arsenal 360 Monitoring Wells.

Rocky Mountain Arsenal, Denver, CO.

These charts are maps divided into RMA sections, showing 360 wells and detection levels for: Aldrin, Chlorate, Copper, Chloride, DCPD, Dimp, Dieldrin, Endrin, Fluoride, Sodium and Sulfate. Detection level distinctions are for no detection, if below a certain level of PPB or PPM and if above a certain level of PPB or PPM. -BKA.

NTIS/PB89-161277

20p

1976. Health Hazard Evaluation Determination Report No. 76-33-431, 76-34-431, Kaiser Aluminum and Chemical Corporation, Ravenswood, West Virginia,

Authors:
Chrostek WJ
Straub W
Powell K

National Inst. for Occupational Safety and Health, Cincinnati, OH.

A Health Hazard Evaluation investigation was conducted by NIOSH on July 27-29, 1977, at the Kaiser Aluminum and Chemical Corporation, Ravenswood, West Virginia in the facility for the production of virgin aluminum metal by electrolytic reduction of alumina (1344281) using prebaked carbon electrodes and cryolite (1344758) flux. Environmental sampling revealed that the anode setters in the pot area may be exposed to excessive concentrations of aluminum oxide (1344281), while fluoride exposure was not excessive. In the casting area exposure to carbon monoxide (630080), sulfur dioxide (7446095) and ammonia (7664417) was minimal. According to available medical data, the findings related to determining whether a high rate of coronary disease existed were inconclusive. Recommendations are made for environmental control and medical surveillance of employees. See also PB82-150210.

NTIS/PB89-216022

3p

1976. Summary Report of International Minerals and Chemical Corporation, Phosphate Chemical Complex, New Wales Florida, June 7-11, 1976.

Author: Wolf F

National Inst. for Occupational Safety and Health, Cincinnati, OH.

An industrial hygiene survey was conducted at the International Minerals and Chemical Corporation, Phosphate Chemical Complex, New Wales, Florida, on June 7-11, 1976 as part of the industry-wide study of the phosphate fertilizer industry. Exposures which may occur routinely are sulfur dioxide, sulfuric acid mist, phosphoric acid mist, ammonia and radon daughters. Additional exposures from maintenance operations or upset conditions include: vanadium pentoxide, heavy metals, uranium, fluoride and silica. Recommendations are made to reduce exposure; these include the use of personal protective equipment and regular checks of the acid and ammonia lines.

NTIS/PB89-195879

11p

1976. Industrial Hygiene Survey, Stauffer Chemical Company, Salt Lake City, Utah, July 16-25, 1975.

Authors:
Wolf F
Cassady ME

National Inst. for Occupational Safety and Health, Cincinnati, OH. Div. of Surveillance, Hazard Evaluations and Field Studies.

An industrial hygiene survey was conducted at the Stauffer Chemical Company, Salt Lake City, Utah on July 16-25, 1975 as part of a study of variations in worker exposures in different wet chemical operations. The operation evaluated was the cleaning of a large phosphoric acid reactor vessel. Samples taken for an 8-hour time weighted average exposures for cadmium, chromium, canadium, phosphoric acid, and sulfuric acid on workers involved in the cleaning. General area samples were collected for fluorides, radon, particle size distribution and uranium. All contaminants were below the current legal standard, but there was an irritating material present in the tank environment. It is recommended that the good work practices for tank entry be continued. The radiation levels were very low which would have made this facility ideal for determining if exposure to phosphoric acid results in an increased incidence of cancer, but medical and personnel records were not adequate.

NTIS/FE-2019-4

11p

1976. Environmental Effects from Leaching of Coal Conversion by-Products. Interim Report, April-June 1976.

Authors:
Van Meter WP
Erickson RE

Montana Univ., Missoula.

Supporting Agency: Department of Energy, Washington, DC.

Efforts have continued to assess and improve the accuracy and reliability of the analyses for Ca and Sr, and the dissolution and analysis of the residues for their total content of the elements of interest. Selected ones of the eluant specimens have been analyzed for fluoride, aluminum and mercury. Apparatus for selenium determination by AA (hydride generation) has been constructed and tested. Column operations continue, with several runs now in progress having receiver vessels charged with acid to avoid loss of metals as oxides or hydroxides.
 
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