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HHE Search Results
474 HHE reports were found based on your search terms. Reports are listed in order of year published with the most recently published reports listed first.
Year Published and Title
(1976) Front Royal and Panorama Entrance Stations, Shenandoah National Park, Luray, Virginia. (Click for full summary) Worker exposures to carbon-monoxide (630080) (CO), sulfur-dioxide (7446095) (SO2), sulfuric-acid (7664939) (H2SO4), and lead (7439921) were determined at the Front Royal and Panorama Entrance stations of the Shenandoah National Park (SIC-7999) in Luray, Virginia, on August 28 and 29, 1976. The request for the evaluation came from the Assistant Director of Concessions, United States Department of Interior, National Park Service, on behalf of an unspecified number of park rangers exposed to automo... (Click to show more)Worker exposures to carbon-monoxide (630080) (CO), sulfur-dioxide (7446095) (SO2), sulfuric-acid (7664939) (H2SO4), and lead (7439921) were determined at the Front Royal and Panorama Entrance stations of the Shenandoah National Park (SIC-7999) in Luray, Virginia, on August 28 and 29, 1976. The request for the evaluation came from the Assistant Director of Concessions, United States Department of Interior, National Park Service, on behalf of an unspecified number of park rangers exposed to automobile exhaust emissions at the two entrance stations. The time weighted average (TWA) concentration of CO at the Front Royal Station was 29.28 parts per million (ppm), and 26.54ppm at the Panorama Station, compared with the OSHA standard of 50ppm. Breath analysis of rangers for CO and corresponding carboxyhemoglobin, revealed carboxyhemoglobin concentrations ranging from 1.9 to 6.1 percent, compared with the five percent limit recommended by NIOSH. SO2 concentrations ranged from 0.11 to 0.83 milligrams per cubic meter (mg/CuM), compared with the OSHA standard of 5mg/CuM. H2SO4 concentrations were in the range of 0.18 to 1.14mg/CuM, compared with the OSHA standard of 1mg/CuM. Lead exposures ranged from 1.81 to 5.62 micrograms per cubic meter, lower than the proposed OSHA standard of 0.1mg/CuM. The authors recommend positive pressure ventilation systems for the stations and shorter working hours in the stations for the rangers.
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(1976) Front Royal and Panorama Entrance Stations, Shenandoah National Park, Luray, Virginia. (Click for full summary) In response to a request from the assistant director of concessions of the United States Department of the Interior, National Park Service, a study was made of possible hazardous working conditions at the Panorama and Front Royal Entrance Stations at Shenandoah National Park located in Luray, Virginia. Specifically, possible exposures to sulfur-dioxide (7446095), lead (7439921), and carbon- monoxide (630080) emitted from cars being assisted at the entrance stations, which resemble toll booths, w... (Click to show more)In response to a request from the assistant director of concessions of the United States Department of the Interior, National Park Service, a study was made of possible hazardous working conditions at the Panorama and Front Royal Entrance Stations at Shenandoah National Park located in Luray, Virginia. Specifically, possible exposures to sulfur-dioxide (7446095), lead (7439921), and carbon- monoxide (630080) emitted from cars being assisted at the entrance stations, which resemble toll booths, were to be evaluated. Of 11 analyses taken, five exceeded or were very near the 5 percent limit of carboxyhemoglobin recommended by NIOSH; five also ranged from half to over the recommended level of 1mg/m3 for sulfuric-acid (7664939). Sulfur-dioxide and lead exposures were all nonsignificant. All the rangers suffered excessive exposures to carbon-monoxide. The authors recommend that changes be made to reduce these exposures. The rangers could work in the booths for a shorter portion of the day, alternating with park rangers who perform other duties. Both booths could be operated at each station, thus reducing the amount to which each ranger was exposed. The installation of positive pressure ventilation should be the main approach and is likely to be the only one which will significantly alleviate the problem.
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(1976) General Electric Company, Silicone Products Department, Waterford, New York. (Click to open report) An investigation of hazardous exposures was conducted at the General Electric Company, Silicone Products Department, Waterford, New York, in response to a request from the international union, IUE-AFL-CIO. Primary products were caulking and roofing compounds. Possible exposures included benzene (71432), chlorobenzene (108907), dichlorobenzene (25321226), and vinyl-chloride (75014). Samples were analyzed for these chemicals along with total airborne particulate and lead (7439921) concentrations. ... (Click to show more)An investigation of hazardous exposures was conducted at the General Electric Company, Silicone Products Department, Waterford, New York, in response to a request from the international union, IUE-AFL-CIO. Primary products were caulking and roofing compounds. Possible exposures included benzene (71432), chlorobenzene (108907), dichlorobenzene (25321226), and vinyl-chloride (75014). Samples were analyzed for these chemicals along with total airborne particulate and lead (7439921) concentrations. A retrospective mortality study was made for the 12 year period starting in 1963. There was no evidence of exposure to potentially toxic levels of benzene or chlorobenzene when equipment was operating properly. However, at a time when equipment was malfunctioning, additive effects of benzene and chlorobenzene exceeded the permissible level determined by the American Conference of Governmental Industrial Hygienists additive effect method. No excessive exposures to vinyl- chloride or lead were detected. Mortality data for 39 current and exworkers showed no evidence of health hazards. The authors conclude that there is a potential for hazardous exposure during equipment malfunction. They recommend employee education in proper use of respiratory protective equipment, establishment of a proper decontamination method for air quality control, establishment of a maintenance program for machinery and ventilation systems, and use of local exhaust at the point of contaminant generation in the molding compound area.
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(1976) Health Engineering Company, Fort Collins, Colorado. (Click to open report) A health hazard evaluation was conducted at Heath Engineering Company in Fort Collins, Colorado, in May and June of 1975, and January, 1976. The company produced flame cutting machines, fabricated materials from steel parts for electrical scanning components, and welded, soldered, and painted products. Area room samples collected during a preliminary study were analyzed for isopropanol (67630), methyl-ethyl-ketone (78933) (MEK), toluene (108883), and methyl-isobutyl-ketone (108101) (MIBK). Breat... (Click to show more)A health hazard evaluation was conducted at Heath Engineering Company in Fort Collins, Colorado, in May and June of 1975, and January, 1976. The company produced flame cutting machines, fabricated materials from steel parts for electrical scanning components, and welded, soldered, and painted products. Area room samples collected during a preliminary study were analyzed for isopropanol (67630), methyl-ethyl-ketone (78933) (MEK), toluene (108883), and methyl-isobutyl-ketone (108101) (MIBK). Breathing zone samples were analyzed for iron-oxide (1309371) fumes, lead (7439921), and cadmium (7440439). Medical questionnaires were distributed. Blood and urine samples were randomly collected. The concentrations of toluene in the painting rooms ranged from 1 to 391 parts per million (ppm) which exceeded the OSHA criteria of 100ppm during an 8 hour exposure. Lead and cadmium samples were below detection limits. Iron-oxide fumes ranged from 0.2 to 13.3 milligrams per cubic meter (mg/m3); two out of ten samples grossly exceeded the American Conference of Governmental Industrial Hygienists criteria of 5.0mg/m3. Environmental values for isopropanol, MEK, lead, and iron-oxide fumes were below the criteria when measured 1 year later. Urine tests were in the normal range and only one worker had a blood lead content that was high. Complaints indicated burning, itching, or tearing of the eyes as the most common symptoms of exposure. Medical findings were consistent with overexposure due to toluene, MEK, and MIBK. Recommendations include proper use of spray paint booths, use of respirators in poorly ventilated paint facilities, preplacement and periodic medical examinations of all workers, a log of work performed on a shift basis, and engineering changes to eliminate the practice of hand dipping metal parts in solvents.
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(1976) Hedstrom Union Company, Bedford, Pennsylvania. (Click to open report) A Health Hazard Evaluation investigation was conducted by NIOSH on April 22 and September 4, 1975, at the Hedstrom Union Company, Bedford, Pennsylvania, a facility engaged in the manufacture of toys from sheet steel (SIC-3312). Fabrications operations include cutting, stamping, welding and surface coating prior to assembly. The survey was prompted by a request from the 19 affected employees of the company to evaluate exposure to arsenic (7440382) throughout the plant after one worker was treated... (Click to show more)A Health Hazard Evaluation investigation was conducted by NIOSH on April 22 and September 4, 1975, at the Hedstrom Union Company, Bedford, Pennsylvania, a facility engaged in the manufacture of toys from sheet steel (SIC-3312). Fabrications operations include cutting, stamping, welding and surface coating prior to assembly. The survey was prompted by a request from the 19 affected employees of the company to evaluate exposure to arsenic (7440382) throughout the plant after one worker was treated for arsenic poisoning. Environmental sampling, review of biological tests obtained from one employee, and a review of the pertinent literature lead to the conclusion that the exposure of pressmen, die setters, utility men, welders, platers, painters and maintenance men to arsenic, lead (7439921), mercury (7439976), and bismuth (7440699) was not toxic at the concentrations measured. No jugement could be made as to the cause of localized skin pigmentation observed in one worker; however, it does not appear to be related to arsenic exposure at the work place. A potential problem was noted in conjunction with eating habits of some workers and the composition of the paint used on heavy equipment throughout the plant.
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(1976) Hersey Products Company, Dedham, Massachusetts. (Click to open report) A health hazard evaluation of employee exposure to air contaminants in the Bronze Foundry (SIC-3362) of the Hersey Products Company reveals that 27 percent of the personnel respirable samples in the coremaking, molding, shakeout and fettling areas showed exposures to crystalline silica in excess of the NIOSH recommended standard, to the effect that coremakers, molders, utility men on shakeout and fettlers are exposed to potentially toxic concentration of airborne respirable crystalline silica (7... (Click to show more)A health hazard evaluation of employee exposure to air contaminants in the Bronze Foundry (SIC-3362) of the Hersey Products Company reveals that 27 percent of the personnel respirable samples in the coremaking, molding, shakeout and fettling areas showed exposures to crystalline silica in excess of the NIOSH recommended standard, to the effect that coremakers, molders, utility men on shakeout and fettlers are exposed to potentially toxic concentration of airborne respirable crystalline silica (7631869). The concentrations of formaldehyde (50000) do not exceed the evaluation criteria, although evidence exists that irritant toxicity to this agent is present in the exposed workers. The levels of toluene (108883) encountered cannot account for infrequent nose and throat soreness elicited by 2 workers. Bronze alloy furnace tenders and pourers are frequently exposed to lead levels in excess of the recommended standards; the same is valid for casting chipping and grinding personnel, who also undergo excessive copper (7440508) dust exposure.
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(1976) Jay Instruments and Specialty Company, Cincinnati, Ohio. (Click to open report) Mercury (7439976) vapor concentrations, lack of engineering controls, personal protective equipment, work practices, medical questionnaires, physical examinations and multiple urine mercury examinations, lead to the conclusion that employees at a thermometer fabrication and assembly facility (SIC-3829) were exposed to toxic concentrations of inorganic mercury resulting in systemic absorption of the metal. Furthermore, the urinary mercury levels for symptomatic workers were significantly higher t... (Click to show more)Mercury (7439976) vapor concentrations, lack of engineering controls, personal protective equipment, work practices, medical questionnaires, physical examinations and multiple urine mercury examinations, lead to the conclusion that employees at a thermometer fabrication and assembly facility (SIC-3829) were exposed to toxic concentrations of inorganic mercury resulting in systemic absorption of the metal. Furthermore, the urinary mercury levels for symptomatic workers were significantly higher than the levels found in asymptomatic workers. A follow up survey showed that environmental conditions at the plant have changed considerably as a result of recommendations instituted after the completion of the initial survey.
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(1976) New England Foundry, Lawrence, Massachusetts. (Click to open report) A NIOSH environmental survey team conducted a health evaluation of the New England Foundry (SIC-3362) to evaluate employee exposure to a number of potential health hazards in several work areas. Airborne concentrations of crystalline silica (7631869) dust were found to be potentially toxic in all of the surveyed work areas. Exposure measurements were taken for both respirable and total dust, and in both the personal breathing zone and work areas for molders, coremakers, mullers, laborers, floorm... (Click to show more)A NIOSH environmental survey team conducted a health evaluation of the New England Foundry (SIC-3362) to evaluate employee exposure to a number of potential health hazards in several work areas. Airborne concentrations of crystalline silica (7631869) dust were found to be potentially toxic in all of the surveyed work areas. Exposure measurements were taken for both respirable and total dust, and in both the personal breathing zone and work areas for molders, coremakers, mullers, laborers, floormen, pourers, melters, and grinders. Airborne concentrations of metal dusts and fumes of copper (7440508), zinc-oxide and tin-oxide were within accepted exposure limits during the period of this survey. However, lead (7439921) dust and fumes were found to be potentially toxic in breathing zone measurements for melters, pourers, and grinders. Ten of the 14 hydrogen-cyanide (74908) and all of the phenols measurements were well within accepted exposure limits for the period of this survey based on coremakers breathing zone and area samples. The other four hydrogen-cyanide samples were insufficient volume to detect below the criteria concentration. Limited area sampling and colorimetric tube measurements showed no evidence of exposure to pourers, molders or shakeout workers.
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(1976) Of Kansas City Federal Reserve Bank, Indoor Firing Range, Kansas City, Missouri. (Click for full summary) Environmental and personal air samples were collected to determine the presence of lead (7439921) and carbon-monoxide (630080) (CO) at the Kansas City Federal Reserve Bank, Indoor Firing Range (SIC-6011) in Kansas City, Missouri on August 4 to 6, 1976. The evaluation was requested by an unidentified representation of the Kansas City Federal Reserve Bank on behalf of about 59 security officers who use the range for small and large bore arms qualification tests. Lead concentrations for shooters ra... (Click to show more)Environmental and personal air samples were collected to determine the presence of lead (7439921) and carbon-monoxide (630080) (CO) at the Kansas City Federal Reserve Bank, Indoor Firing Range (SIC-6011) in Kansas City, Missouri on August 4 to 6, 1976. The evaluation was requested by an unidentified representation of the Kansas City Federal Reserve Bank on behalf of about 59 security officers who use the range for small and large bore arms qualification tests. Lead concentrations for shooters ranged from 0.01 to 0.48 milligrams per cubic meter (mg/cu m). The 8 hour time weighted average concentration for the range officer was 0.01mg/cu m. Area samples had an average lead concentration of 0.01mg/cu m. All concentrations were within the OSHA standard of 0.2mg/cu m. Concentrations of CO were 17 parts per million (ppm) after 2,400 rounds of ammunition were fired. The authors conclude that are the engineering controls at the range are sufficient to maintain lead and CO concentrations within acceptable limits.
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(1976) Quincy Steel Casting Company, Inc., North Quincy, Massachusetts. (Click to open report) A health hazard evaluation determination conducted at the Quincy Steel Casting Company (SIC-3321) revealed potentially toxic exposures to crystalline silica (7631869) and iron oxide. Excessive silica exposures were found in all areas of the foundry and cleaning room, while iron oxide exposures occurred throughout the cleaning room and torch cut-off operation. Potentially toxic exposures were not found for lead (7439921), manganese (7439965), zirconium (7440677), fluoride, p,p'-diphenylmethane-di... (Click to show more)A health hazard evaluation determination conducted at the Quincy Steel Casting Company (SIC-3321) revealed potentially toxic exposures to crystalline silica (7631869) and iron oxide. Excessive silica exposures were found in all areas of the foundry and cleaning room, while iron oxide exposures occurred throughout the cleaning room and torch cut-off operation. Potentially toxic exposures were not found for lead (7439921), manganese (7439965), zirconium (7440677), fluoride, p,p'-diphenylmethane-diisocyanate, zinc (7440666) and isopropanol (67630). Limited area samples for asbestos (1332214) fibers were below the current recommended criteria. Recommended control measures are described.
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