konimeter dust sampler mining


Posted on November 15, 2018



Dust Sampling Instrumentation and Methods - CDCDust Sampling. Instrumentation and Methods. Jay Colinet. Office of Mine Safety and Health Research. Senior Scientist. National Institute for Occupational Safety and. Health (NIOSH). Silica Dust Control Workshop. Elko, Nevada. September 28, 2010.konimeter dust sampler mining,Part 5 Dust - Mine Ventilation ServicesThe first legislation for mine dust appears to have been formulated in 1912 when the Union of South Africa . respiratory system and the techniques that are now employed for the sampling and measurement of airborne dust. ... konimeter, a hand held jet-impact device invented by Kotz, a South African government mining.


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Respirable Dust and Respirable Silica Exposure in Ontario Gold .

A comprehensive survey of respirable dust and respirable silica in Ontario gold mines was conducted by the Ontario. Ministry of Labor during 1978–1979. The aim was to assess the feasibility of introducing gravimetric sampling to replace the assessment method which used konimeters, a device which gave results in terms.

How relevant are engineering samples in the . - Research Online

Feb 10, 2017 . Major hazards in an underground coal mine include methane and coal dust explosions and personal exposure to . of the 20th century with initial dust sampling techniques employing the konimeter, the use of the real- time Hund . Currently South African coal mines must perform two types of dust sampling.

Silica Exposure and Silicosis among Ontario Hardrock Miners: II .

silicosis in hardrock miners in Ontario and cumulative exposure to silica (free crystalline silica-a quartz) dust. This second report describes a side-by-side air-sampling program used to derive a ko- nimeter/gravimetric silica conversion curve. A total of 2,360 filter samples and 90,000 konimeter samples were taken over 2.

simrac - CSIR Research Space

disproved. At the outset of gravimetric dust sampling agreement was reached with the GME that mines need only implement personal gravimetric sampling (for risk assessment and the determination of levies) and that exemption from previous statutory requirements - quarterly dust surveys using konimeters - would be.

development of methods for measuring airborne asbestos dust

konimeter. Its collection efficiency forsmall particles must have been poor. It was little used but may have contributed to the development of the impinger. In 1922 the U.S.. Bureau of Mines in collaboration with other official organizations made a comparative study of various dust sampling methods including sugar tube,.

Dust Sampling Instrumentation and Methods - CDC

Dust Sampling. Instrumentation and Methods. Jay Colinet. Office of Mine Safety and Health Research. Senior Scientist. National Institute for Occupational Safety and. Health (NIOSH). Silica Dust Control Workshop. Elko, Nevada. September 28, 2010.

Part 5 Dust - Mine Ventilation Services

The first legislation for mine dust appears to have been formulated in 1912 when the Union of South Africa . respiratory system and the techniques that are now employed for the sampling and measurement of airborne dust. ... konimeter, a hand held jet-impact device invented by Kotz, a South African government mining.

Introduction and Calibrating - Dust Sampling

Jul 5, 2008 . Mine Safety and Health Administration Introduction and Calibrating - Dust Sampling This is Part 1 of 4 Parts DVD011 - 2005 - Respirable Dust Sampling.

Historical Perspective of Personal Dust Sampling in Coal Mines

coal mines, with emphasis on the benefits of personal sampling and on recent developments that permit real- time assessment of dust exposure. 1 INTRODUCTION. Historically, a wide variety of dust sampling instru- ments have existed, and they used several different techniques to measure dust (ILO, 1965). Some de-.

simrac - CSIR Research Space

disproved. At the outset of gravimetric dust sampling agreement was reached with the GME that mines need only implement personal gravimetric sampling (for risk assessment and the determination of levies) and that exemption from previous statutory requirements - quarterly dust surveys using konimeters - would be.

Respirable Dust and Respirable Silica Exposure in Ontario Gold .

A comprehensive survey of respirable dust and respirable silica in Ontario gold mines was conducted by the Ontario. Ministry of Labor during 1978–1979. The aim was to assess the feasibility of introducing gravimetric sampling to replace the assessment method which used konimeters, a device which gave results in terms.

How relevant are engineering samples in the . - Research Online

Feb 10, 2017 . Major hazards in an underground coal mine include methane and coal dust explosions and personal exposure to . of the 20th century with initial dust sampling techniques employing the konimeter, the use of the real- time Hund . Currently South African coal mines must perform two types of dust sampling.

Silica Exposure and Silicosis among Ontario Hardrock Miners: II .

silicosis in hardrock miners in Ontario and cumulative exposure to silica (free crystalline silica-a quartz) dust. This second report describes a side-by-side air-sampling program used to derive a ko- nimeter/gravimetric silica conversion curve. A total of 2,360 filter samples and 90,000 konimeter samples were taken over 2.

development of methods for measuring airborne asbestos dust

konimeter. Its collection efficiency forsmall particles must have been poor. It was little used but may have contributed to the development of the impinger. In 1922 the U.S.. Bureau of Mines in collaboration with other official organizations made a comparative study of various dust sampling methods including sugar tube,.

Mine air analysis on the reef in the early 1900s -Observations from .

It deals with CO2 and CO analyses 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,.

Comparison of mass concentrations determined with personal .

Am Ind Hyg Assoc J. 1984 Dec;45(12):826-32. Comparison of mass concentrations determined with personal respirable coal mine dust samplers operating at 1.2 liters per minute and the Casella 113A gravimetric sampler (MRE). Treaftis HN, Gero AJ, Kacsmar PM, Tomb TF. Measuring respirable dust concentrations in coal.

konimeter dust sampler mining,

Occupational Exposure to Respirable Crystalline Silica - OSHA

silicosis among South African miners (DuToit, 1991; Hnizdo and Sluis-Cremer, 1991; Page-. Shipp, 1972). Investigators studying exposures of Canadian gold and other miners initially used. Konimeter dust measurements. Over time, this was replaced with gravimetrically analyzed respirable mass sampling. In a few studies,.

Definition of konimeter - mindat glossary

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 · Click here to.

How relevant are engineering samples in the management of .

Mar 17, 2018 . Directive B7, titled “A Guideline for the Ventilating of Mechanical Miner Sections” was issued by the DME to the South African coal mining industry. This directive stipulated that one daily dust sample, termed “a CM engineering sample” was to be taken at every CM with an acceptable limit of 5 mg/m3.

Mine air analysis on the reef in the early 1900s -Observations from .

It deals with CO2 and CO analyses 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,.

Silica exposure and silicosis among ontario hardrock miners: II .

An epidemiological investigation was carried out to determine the relationship between silicosis in hardrock miners in Ontario and cumulative exposure to silica (free crystalline silica–-α quartz) dust. This second report describes a side-by-side air-sampling program used to derive a konimeter/gravimetric silica conversion.

noise and dust survey in mines - ethesisnitr

May 14, 2012 . ABSTRACT. Opencast and underground mining operations produce large quantities of dust as well noise due to increased ... Konimeter (1916 Sir Robert Kotze) (improved version by Carl Zeiss,1937). Impingement: In this type of method of sampling the dust gets impinged to the instrument. Most common.

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