Health Care
Maximum Allowable Concentration
Particulate matterExposureFluoride concentrationsAirborne contaminantsLimitsParticlesEmissions0.05SpacecraftLevelOSHASubstancesLethalCarbonAtmosphericDangerousWorkplaceLevelsRateSpeciesResultsDietaryLeadCompareAnnualMinimumPartsWater supplyHourVolumeHighStandardEffectsPresentSystemListMinutesPopulation
Particulate matter2
  • Although requirements exist for maximum allowable concentrations of particulate matter, currently no measurement capability verifies whether these requirements are met. (nasa.gov)
  • Concentrations of tobacco-specific fine particulate matter (PM2.5) were monitored in thirteen pubs located in southern part of Poland during winter season. (who.int)
Exposure9
  • As part of its efforts to promote safe conditions aboard spacecraft, NASA requested the National Research Council (NRC) to develop guidelines for establishing spacecraft maximum allowable concentrations (SMAC's) for contaminants, and to review SMAC's for various spacecraft contaminants to determine whether NASA's recommended exposure limits are consistent with the guidelines recommended by the subcommittee. (psu.edu)
  • The chosen IDLH is based on the statement by AIHA [1971] that 300 to 500 ppm for 30 to 60 minutes have been reported as a maximum short exposure tolerance [Henderson and Haggard 1943]. (cdc.gov)
  • The maximum short exposure tolerance has been reported as being 300 to 500 ppm for 0.5 to 1 hour [Henderson and Haggard 1943]. (cdc.gov)
  • 2) The maximum exposure allowed by OSHA in the workplace over an eight hour period is 35 ppm . (engineeringtoolbox.com)
  • The recommended maximum allowable concentration for a daily 8-hour time-weighted exposure is 1 ppm. (tabulka.cz)
  • Further, Maximum Residue Limits, Acceptable Daily Intakes and Maximum Allowable Concentrations support a belief in "safe" levels of exposure that do not exist. (pan-international.org)
  • Tungstendust can front peribronchitis, peribronchiolar, blocking bronchiolitis andatrophic emphysema Tungsten carbide may bob lung lymphoid tissue cellproliferative response, and gradually emergence sclerosis Vascular handrail was thickeningand homogenization People exposure to tungsten carbide dust in job bequeath causegastrointestinal disorders, kidney suffered irritation, upper respiratory tractappeared catarrhal inflammation The maximum allowable concentration oftungsten carbide is 6mg/m3. (klaversvanengelen.com)
  • They are the maximum concentration in air at which it is believed that a particular substance will not produce adverse health effects with repeated daily exposure. (lookformedical.com)
  • Occupational lead exposure can also particularly using hair concentration as cause a decline in cognitive function over an indicator of lead exposure, nor has a the course of time [ 8 ]. (who.int)
Fluoride concentrations2
  • Superphosphate and its effect on bone fluoride concentrations in sheep. (fluoridealert.org)
  • Another study has also looked at the fluoride concentrations in alginate impression material and came up with similar results. (oralanswers.com)
Airborne contaminants2
  • Spacecraft maximum allowable concentrations for selected airborne contaminants, volume 1. (psu.edu)
  • The information below was taken largely from a more comprehensive review, Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants, Volume 2 (NRC 1996). (nationalacademies.org)
Limits2
  • Additionally, pharmaceuticals must satisfy the allowable limits specified by ICH Q3D guidelines, where the measurement methods used are specified in the pharmacopoeia of respective countries. (shimadzu.com)
  • In Japan, from an industrial health view point, 100 ppm has been recommended to be allowable limits for toluene in workplace air. (go.jp)
Particles1
  • The Airborne Particulate Monitor (APM) demonstrates an instrument for measuring and quantifying the concentration of both small and large particles in spacecraft air. (nasa.gov)
Emissions2
  • b) The director may presume that emissions unit-specific allowable emissions for the emissions unit are equivalent to the actual emissions of the emissions unit. (ohio.gov)
  • For the purposes of actuals PALs, 'allowable emissions' shall also be calculated considering any emission limitations that are enforceable as a practical matter on the emissions unit's potential to emit. (virginia.gov)
0.051
  • Fluoride Mouth Wash. 226 PPM is the maximum allowable fluoride concentration available in over the counter fluoride mouthwashes (0.05% NaF), such as ACT Restoring Mouthwash . (oralanswers.com)
Spacecraft4
  • In response to NASA's request, the NRC organized the Subcommittee on Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants within the Committee on Toxicology (COT). (psu.edu)
  • The subcommittee's report, entitled Guidelines for Developing Spacecraft Maximum Allowable Concentrations for Space Station Contaminants, was published in 1992. (psu.edu)
  • In the second phase of the study, the Subcommittee on Spacecraft Maximum Allowable Concentrations reviewed reports prepared by NASA scientists and contractors recommending SMAC's for 35 spacecraft contaminants. (psu.edu)
  • National Research Council (U.S.). Subcommittee on Spacecraft Maximum Allowable Concentrations (1996). (wikipedia.org)
Level5
  • The free element has a characteristic pungent odor, detectable in concentrations as low as 20 ppb, which is below the safe working level. (tabulka.cz)
  • The authors suggested that the National Research Council recommendation of a level of 30 ppm maximum dietary fluoride 'may be too high for high producing dairy cattle fed phosphate sources of fluoride. (fluoridealert.org)
  • In Nigeria, food test carried out on 217 different food items revealed the presence of DDT, Aldrin and Dieldrin to be above maximum allowable concentration level which ranged from 1.2-2160μg kg -1 . (ajol.info)
  • Studies that involved exposures to fluoride in the range of 2-4 milligrams per liter (mg/L) are emphasized, so that the safety of the maximum-contaminant-level goal (MCLG) can be evaluated. (nationalacademies.org)
  • 8. Provide a discussion of the known toxicants associated with the source of the camelina or its by-product, including the maximum level of glucosinolates that may be present in the camelina product or by-product. (canada.ca)
OSHA1
  • The Occupational Safety and Health Administration (OSHA) has set the maximum allowable concentration of chloroform in workroom air during an 8-hour workday in a 40-hour workweek at 50 ppm. (cdc.gov)
Substances1
  • Quality of natural waters analysis included investigation of the annual concentrations of priority substances in the water of some rivers in Polesie for dissolved oxygen, phosphates, nitrogen, petroleum products, copper, zinc, etc. (mdpi.com)
Lethal1
  • CO 2 is a simple asphyxiant and lethal asphyxiations have been reported at concentrations as low as 110,000 ppm (Hamilton and Hardy 1974). (nationalacademies.org)
Carbon2
Atmospheric1
  • The annual average atmospheric concentration of CO 2 is 372 parts per million (ppm) (Blasing and Jones 2003). (nationalacademies.org)
Dangerous2
Workplace1
  • for controlling worker exposures to constituents often en- countered in the workplace. (cdc.gov)
Levels3
  • Fluoride levels have exceeded the maximum allowable concentration of 1.5 parts per million, according the Chatham-Kent Public Health Unit. (fluoridealert.org)
  • 3. A precise description of the camelina product or by-product ingredient is required to assist in accurately describing the ingredient in Schedule IV , including impurities present ( i.e. , the maximum levels present). (canada.ca)
  • ABSTRACT Phase 1 of this cross-sectional study aimed to compare hair lead concentrations and establish the determinants of hair lead levels in 149 occupationally exposed individuals versus 177 non-occupationally exposed controls in the Lebanese population. (who.int)
Rate1
  • Optimal treatment strategy implies maximum allowable rate of TARE with patients concentration in selected hospitals. (idmz.ru)
Species1
  • 2. Proposed labels reflecting the purpose of the ingredient, intended species, and suggested and maximum use rates are required, including the standards, packaging, and labelling requirements, as per the Feeds Act and Regulations. (canada.ca)
Results1
  • The results must be consistent and fall within a certain allowable variance to remain certified in the STA program. (greenroofs.com)
Dietary2
  • However, there is considerable controversy about the maximum safe iodine dose and duration of use when iodine is ingested in excess of the recommended daily dietary amount. (nih.gov)
  • A review of the human trials on the safety of iodine ingestion indicates that neither the maximum recommended dietary dose (2 mg/day) nor the maximum recommended duration of use (3 weeks) has a firm basis. (nih.gov)
Lead4
  • In the United States, the EPA set the maximum allowable concentration of lead in public drinking water at 15 mcg/L (micrograms per liter). (medlineplus.gov)
  • In addition to a standardized questionnaire, lead concentration was measured by atomic spectrophotometry. (who.int)
  • A 5-6-fold difference in hair lead concentration was found between occupationally exposed and non-exposed individuals (23.60 ppm versus 4.33 ppm). (who.int)
  • In non-exposed individuals, male sex, non-Lebanese nationality and urban worksite correlated with higher hair lead concentration. (who.int)
Compare1
  • The Wilcoxon matched pair test was used to compare pollutant concentrations in smoking vs. non-smoking sections. (who.int)
Annual1
  • There was a significant decrease in maximum spring runoff and a decrease in the average annual runoff. (mdpi.com)
Minimum1
  • Each day the phenology routines calculate today's thermal time (in degee days) from 3-hourly air tempertures interpolated from the daily maximum and minimum temperatures. (apsim.info)
Parts1
  • To make the amounts more clear, I will talk about fluoride concentration in parts per million in this article. (oralanswers.com)
Water supply1
  • In the book Fluoride in Dentistry , Ole Fejerskov states, "Fluoride-containing mouth gels may be applied, usually by the dental professional once yearly, to individuals living in communities with low concentrations of fluoride in the water supply. (oralanswers.com)
Hour4
  • A CO concentration of 1600 ppm is deadly after one hour . (engineeringtoolbox.com)
  • PM2.5 concentrations were monitored during one hour in each section using DustTrak monitor (TSI Inc., USA). (who.int)
  • Average 1-hour PM2.5 concentration in smoking sections was 1.25 +/- 1.85 mg/ m3 and varied from 0.18 do 7.21 mg/ m3. (who.int)
  • Average 1-hour PM2.5 concentration in non-smoking sections was 0.35 +/- 0.29 mg/m3 and varied from 0.056 to 1.01 mg/m3. (who.int)
Volume1
  • The highest temporary PM2.5 concentration of 25.5 mg/m3 was found in a pub located in cellar storey were with volume of 60 m3, 13 smokers and no air-condition. (who.int)
High1
  • At high concentrations DBPs have been linked to a range of gastrointestinal issues, including cramping and vomiting, as well as lasting health conditions like liver cancer. (albertawater.com)
Standard1
  • Un questionnaire standard a été utilisé et la concentration en plomb a été mesurée par spectrophotométrie atomique. (who.int)
Effects1
  • It appears that an HF concentration somewhere between 1.0 and 5.0 mmol/L (20 and 100 mg/L), applied to the stomach mucosa for at least 15 minutes, is the threshold for effects on the function and structure of the tissue (Whitford et al. (nationalacademies.org)
Present2
  • The present authors' experimental data advocate still lower allowable limit. (go.jp)
  • State the maximum allowable concentrations for each of the above compounds present in the camelina product or by-product, as per the company's quality control procedures. (canada.ca)
System1
  • Since ECHA aims to devote our maximum effort to this new system, we can no longer maintain REACH registration data on the current Dissemination Platform. (europa.eu)
List1
  • Read the list of prohibited and restricted wastes, including details on maximum allowable concentrations. (crd.bc.ca)
Minutes1
Population1
  • RÉSUMÉ La première phase de cette étude transversale visait à comparer la concentration de plomb dans les cheveux de 149 sujets exposés sur leur lieu de travail à celle de 177 témoins non exposés sur leur lieu de travail, choisis dans la population libanaise, et à établir les déterminants de ces concentrations. (who.int)