konimeter dust sampler mining

for sampling dust. This miethod was adopted in 1917 by the Com- - JSTOR

Palmer apparatus, the konimeter, the filter-paper thimble, and the dust determinator. Duiring the couirse of the study, a new instrument, the impinger, ... of dust-sampling instruments described in the report published as Public Health Bulletin No. 144.1 In this instrument, the air to be sampled is drawn through a glass ...

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The Complete Technology Book on Asbestos, Cement, Ceramics and Limestone

The Konimeter . IV. ... The errors are probably similar to those found when sampling spherical dust, and similar precautions should be taken, e.g. the use of isokinetic sampling heads in high-velocity air streams. ... Human-created sources of non-occupational exposures to asbestos include the mining and milling of asbestos, the transportation ...

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The minimum average lumenssqft of light at roadways

MINING IRON ORE. The minimum average lumenssqft of light at roadways is1512504093 240The minimum. The minimum average lumenssqft of light at roadways. School Osmania University; Course Title MINING IRON ORE; Uploaded By BaronElement1760. Pages 19

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Physikalische Eigenschaften von Stäuben sowie Grundlagen der ...

The investigation of injurions dust in mine air by the Kotze konimeter. J. Chem. Metal. Min. Soc. S. Afr. 18, 199 (1918). ... S.J.: A comparison of count and respirable mass dust sampling techniques in the granite industry. Presented at the 1966 Annual Meeting Amer. Ind. Hyg. Assoc. Pittsburgh, Pa.

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The Importance of The Time Factor in The Measurement of Dust Exposure

regular dust sampling on a national scale has only been carried on for about five years. In other ... hypothesis is rejected by many mining engineers, whoinsist on the necessity offrequent sampling to detect "peaks" of dust production. ... per c.c. as registered by a konimeter, then the human body can only cope with, say, 300 particles and the ...

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"Correlation of dust-count results by Zeiss konimeter and midget imping ...

"In this modern age, the scientific and technological developments have advanced mechanized mining to the status wherein the attendant dust problems have reached very serious hazard proportions. The significant roles, which have been perfected for the Zeiss konimeter and the midget impinger, in evaluating dust concentrations and thereby revealing possible improvements in making the atmospheric ...

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Search our collection | Science Museum Group Collection

Koptez Konimeter for the determination of dust concentrations in the atmosphere Public Health & Hygiene NCB-MRE portable Dust Sampler, type 101C, from the Occupational Healtth Department of the London School of Hygiene and Tropical Medicine, by Casella and Co. Ltd, London, England, 1950-1970 NCB-MRE portable Dust Sampler Public Health & Hygiene

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Silicosis in Hard Rock Mining - JSTOR

Silicosis in Hard Rock Mining Marcus M. Key, M.D. and Howard E. Ayer Silicosis among metal miners is an ancient disease, probably as old as mining itself. However, the primitive forms of mining were not productive of much silica dust, and the short life span of slaves used in mining probably precluded the development of more than

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KPits - The Apedale Heritage Centre

GLOSSARY OF MINING TERMS(K) Kain coal, coal that was claimed by the coal owner as part, or whole, of the rent of the mine.(Scot.). Kanch, Kansh or Kench, - see also Canch, Brushing and Ripping lip. Kank, a twist or snarl in a rope.(Mids.); or another way of spelling 'Cank'. (Lancs.). Keeker, an inspector in charge of the hewers or other workmen underground, or an inspector at the pit top ...

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Nasal filtration of airborne droplets - Cambridge

the individual huma tn noso filtere dust from the air was devised and b usey Lehmand n (1933) In. this apparatu a clous odf mine dus wat draws n through the nose and the chang in concentratioe n determined with a konimeter. After measuring the filtering ability of the noses of several hundred mine workers, Lehmann (1934 1936 conclude), d that

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Papers Past | Parliamentary Papers | Appendix to the Journals of the ...

REPORT ON A KONIMETER TEST OF MINE-DUST IN THE WAIHI AND WAIHI GRAND JUNCTION MINES. Method of Taking and Examining Samples. The principle on which the konimeter is based consists in causing a definite volume of the air to be tested to impinge at a high velocity through a small nozzle against a glass slide thinly coated with vaseline. The dust ...

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NEIMME/CRE/I - North of England Institute of Mining and Mechanical ...

on vibrator dust from eccles P. F. Whelan, D. Simpson 1950 LP13 book 2 NEIMME/CRE/I/28 Survey of coal board tars part 1. north-eastern tars - examination by s.t.p.t.c. methods ( 2nd report) G. H. Jones 1950 LP13 book 2 NEIMME/CRE/I/29 Design of a froth flotation plant incorporating a c.r.e. mat cell for grimethrope washery P. F. Whelan, D. H.

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Exposure to asbestos: past, present and future - Pira - Journal of ...

The sampling methods and extraction equipment have varied over this period, as have the analytical methods. The first approach was gross filtration on cotton wool filter and the dust was recovered by ignition, succeeded by the "sugar tube", where the dust was trapped on a bed of sugar granules and assessed by dissolving the sugar in water ...

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Safety Data Sheet - Badger Mining Corporation

Other control measures: Respirable dust and quartz levels should be monitored regularly. Dust and quartz levels in excess of appropriate exposure limits should be reduced by implementing feasible engineering controls, including (but not limited to) dust suppression (wetting), ventilation, process enclosure, and enclosed employee work stations.

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Report Rapp - inis.iaea

to its occurrence, those agencies with authority over mining took, steps to have the mining companies introduce forced ventilation and dust suppression techniques to reduce the concentrations of airborne hazards including respirable quartz. In underground mines in which quartz is present in the host rock, it is

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Statistical methods applied to the study of respirable dust c..|INIS

Statistical analysis of gravimetric dust sampling observations of respirable quartz and respirable dust and the statistical evaluation of konimeter observations in uranium mines assist in determining worker exposure. This report describes the techniques used to cal

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NIOSHTIC-2 Publications Search - 10009367 - Respirable Dust Control in ...

The report covers-- (1) the control of dust by water infusion, water spraying, and ventilation. (2) The sampling devices (tyndalloscope, konimeter, and bat-i) and methods used to determine the dust concentrations in mines. (3) The systems of classifying hazardous and safe dust levels in mines.

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Estimating the Quartz Exposure of South African Gold Miners

Estimating respirable mass concentrations from thermal precipitator and konimeter dust samples. ... Recent data collected using cyclone respirable dust samplers operating at 1.9 l/min, ... Discussion of article by Sichel (1957) 'The size distribution of airborne mine dust, J S Afr Inst Miner Met 58: 171-225.' J S Afr Inst Miner Met; 58: 599

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Zeiss konimeter - WebRef

A portable dust-sampling instrument. See also: konimeter Source: Dictionary of Mining, Mineral, and Related Terms

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Asbestos and Air Pollution: An Annotated Bibliography - US EPA

These were: Electrostatic Precipitator; Casella Soxhlet; UNICO respirable dust sampler; and a Casella Hexhlet. ... Sephadex G-251, high and low rank coal dust, mine dust,colloidal carbon, talc, kaolin, glass powder, carborundum and diamond dust. Significant hemolytic activity was found for chry- sotile, serpentine and all forms of silica ...

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Definition of konimeter - Mindat

Definition of konimeter Definition of konimeter Apparatus used to measure dust in mine atmosphere. A measured volume of air is drawn through a jet so as to impinge on a glass surface coated with glycerin jelly. The adherent dust is then examined and the particles are counted under the microscope. Also called Zeiss konimeter. See Also: dust sampling

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Dust Monitoring - OHSA Occupational Health Services Australia

Part of this system must include monitoring to determine workers' exposure to airborne concentration of dust particles. Section 136 of the Mining and Quarrying Safety and Health Regulation 2001 (PDF, 683KB) requires that relevant Australian or national standards be followed for monitoring or analysis. The relevant standards are shown below.

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Proposed dust sampling standard generates heat: and some light

The U.S. Department of Energy's Office of Scientific and Technical Information

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IJERPH | Free Full-Text | Cross-Sectional Silica Exposure Measurements ...

We measured the quartz content of 20 bulk settled dust and 200 respirable dust samples in a cross-sectional dust exposure assessment that is part of an epidemiological study to ascertain the risk of nonmalignant respiratory diseases among Zambian copper miners. Dust samples were collected from the copper mines of Mopani Copper Mine plc (Mufulira and Nkana Mines). Analytical measurements ...

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Respirable Dust and Respirable Silica Exposure in ... - ResearchGate

Respirable silica dust, also known as respirable crystalline silica (RCS), is a natural substance found in rocks during the mining process, and is a major harmful contaminant for miners. This fine ...

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konimeter dust sampler mining - jakkalsvallei

Konimeter Dust Sampler Mining. Dust concentrations in south african gold mines have always been low for the following reasons i wet mining was introduced by regulation no 101 framed under the mines and works act of to cover rock drilling and the removal of broken rock miners phthisis prevention committee p 223 ii.

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Full text of "Pneumoconiosis Abstracts Vol.(iii)" - Internet Archive

An icon used to represent a menu that can be toggled by interacting with this icon.

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Safety Data Sheet

Mine site - 16 Garnet USA Loop Alder, Montana 59710 Telephone: +1 (406) 842 7829 ... Avoid generating unnecessary dust. Sweep or vacuum up material for disposal or recovery. ... Yukon: 300 particles/ml measured with a konimeter (quartz, and tripoli); 150 particles/ML measured with a konimeter (cristobalite and tridymite)

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The Mining Magazine - Google Books

Konimeter Measurement of Quartz Dust by m d . 50: Manganese Caucasian . 150: 63 . 151: Mawchi Mines . 158: Melbourne University . 167: Mexican Mining Taxes . 174: Microscopes Field for Mining Geologists m d . 187: WaterPower Resources British . 192: ... The Mining Magazine, Volumes 14-15 Full view - 1916.

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ARCHIVED - Chronic Diseases in Canada - Canada.ca

The authors noted that there were major decreases in arsenic and dust contamination within the mine in 1954. They concluded that overall mortality risk from lung cancer was similar in magnitude for mine and refinery workers. ... (including the use of personal sampling data), more detailed study of specific work areas, and consideration of ...

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- Carl Zeiss Konimeter - Analog Weather

A konimeter is an instrument for measuring the dust content of a sample of air. A measured volume of air is drawn through a jet, to impinge on a surface coated with a glycerin jelly. The dust adheres to the surface and the particles are counted under a microscope. A manual for the Zeiss konimeter may be downloaded below (12 pages):

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Chronic obstructive pulmonary disease and longitudinal changes in ...

(A konimeter is a portable instrument for measuring airborne dust concentration where samples are obtained by sucking a known volume of air through a hole and allowing it to pass over a glass disc coated with grease on which the particles collect.

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MIning, Metals from Easy Chair Books - Biblio

Hardcover. Fair Condition/No Dust Jacket. 328 pages. Ex-library with reference marks, some wear; pages yellowed; a few small tears but a good reference book. "To promote the study of electrochemistry, electrometallurgy, chemical physics, metallography and kindred subjects." Quantity Available: 1. Category: Mining, Metals; Inventory No: 138790

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PIXE characterization of airborne dust in the mining environment

Currently, air quality monitoring is performed using the Witwatersrand konimeter. This is a pulsed impac- tor device, sampling a 5 ml volume per exposure. Analysis is by manual optical counting and sizing of acid insoluble mineral particles in the respirable range.

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Assessment of exposure in epidemiological studies: the example of ...

At the defined sampling location, the average concentration of respirable dust was 3.3 mg/m 3 with the stationary sampler and 2.8 mg/m 3 with the personal sampler, respectively.

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Silicosis and its prevention - National Institutes of Health

Mining 51 Copper 51 Lead 51 Zinc 51 Coal 52 Potteries 52 Rock drilling, blasting, excavating 52 Sand blasting 53 Sandstone quarrying 53 Slate milling 53 Spraycoating 53 Talc mining 54 Trap rock quarrying 54 Chapter V—Prevention ofSilicosis 55 Analysisofdustfor freesilica 55 Dust sampling methods 55 Konimeter 50. Table of Contents 7 PAGE ...

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from Easy Chair Books - Browse recent arrivals - Biblio

Photometric Evaluation of Konimeter and Other Dust Samples (Ministry of Power SMRE Research Report 191). Ministry of Power, Safety in Mines Research Establishment, 1960. Softcove... Join us March 24-March 26, 2022 for our inaugural virtual antiquarian book fair!

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Cr fc > '-' '1 .^ - 7 - ' t'4^5v. m „ P<™MfiOSCH !| REPUBLIC OF SOUTH ...

"work connected with sampling, surveying and venti lation" means any or all of the following operations per formed in connection with any of the processes of samp ling, surveying and ventilation on any mine: (a) Calculations; (b) checking and interpretation of data; (c) chipping rock samples, except where performed under supervision;

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Mine Air Analysis on the Reef in the Early 1900s - SciELO

2andCOanalyses and the methods used in those days, describes his work on gases arising from explosions of gelignite, and covers the two main air-sampling techniques for dust analysis used in his time, namely the sugar tube method and the konimeter. KEYWORDS History of chemistry, mine air analysis, dust-sampling in the early 1900s. 1. Introduction

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Sarcoidosis in Northern Ontario hard‐rock miners: A case series

A historical perspective is helpful in assessing dust exposures incurred by hard-rock miners over time. Before 1980 dust concentrations in Ontario mines were measured with a hand-held instrument called a konimeter, an instantaneous dust sampler having a sampling duration of approximately one-third of a second.

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