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Coal tar pitch volatiles CAS No 65996-93-2 . NOTE 1 Efficacy of Medical Tests has not been evaluated. 2 NIOSH references include diagnostic, screening, and other tests. 3 OSHA mandated medical tests, if any, are provided in BOLD on a yellow background. 4 This HTML page was created from DHHS NIOSH Publication No. 2005-110 pdf icon ...
Get information about Coal tar pitch volatiles as benzene solubles and fitting detectors and PPE. testing, monitoring protective equipment 1500 substances database
Discard the filter. NIOSH Manual of Analytical Methods NMAM, Fourth Edition, 81593 COAL TAR PITCH VOLATILES METHOD 5023, Issue 2, dated 15 August 1993 - Page 3 of 3 NOTE An aliquot of the solution may be taken at this step if other analyses e.g., polynuclear aromatic hydrocarbons are to be performed on the sample. Apply the appropriate ...
COAL TAR PITCH VOLATILES METHOD 5023, Issue 2, dated 15 August 1993 - Page 3 of 3 NOTE An aliquot of the solution may be taken at this step if other analyses e.g., polynuclear aromatic hydrocarbons are to be performed on the sample.
Coal tar pitch volatiles and polycyclic aromatic hydrocarbons exposures in expansion joint-making operations on a construction site a case study. Kurtz LA1, Verma DK, Sahai D. Author information 1Program in Occupational Health and Environmental Medicine, McMaster University, Hamilton, Ontario,
Coal Tar Pitch 65996-92-1 100 0.2 mgm3 as 8-hr TWA for coal tar pitch volatiles 0.2 mgm3 as 8-hr TWA for coal tar pitch volatiles SECTION 4 FIRST AID MEASURES Skin Contact For contact with solid pitch, remove contaminated clothing and wash exposed area twice with waterless hand cleaner, soap and water, or a mild detergent.
Coal-Tar Pitch Roofing In the processing of coal to make coke for steel making, volatile compounds are collected from the coking ovens, condensed, and separated, and become the base of hundreds of raw materials, including dyes, plastics, and a byproduct called coal-tar pitch.
CTPV is not only used for volatiles released when coal tar pitch CTP is heated, but also for volatiles released when coal tar or its products are heated. CTP and related substances like CTPV, creosotes and tars are complex and have variable compositions. CTP is a complex hydrocarbon mixture consisting of three- to seven-membered
2 days ago Coal tar pitch is thick black liquid which remains after the distillation of coal tar. ... These memories are divided on the basis of the type of data storage and data access such as volatile RAM ...
Coal tar component chemicals have been found to biodegrade under aerobic conditions and biodegradation may be rapid with acclimation6,7. Many of the components of coal tar may undergo both direct and indirect photolysis in water8. Multiple Sources 8 . . . . ATMOSPHERIC FATE ATMOSPHERIC FATE According to a model of gasparticle ...
to coal-tar-pitch volatiles NIOSH 1990. No more recent occupa-tional exposure surveys were found. Workers potentially exposed to coal-tar pitches include those pro-ducing or using pavement tar, roofing tar, coal-tar pitch, coal-tar paints, coal-tar enamels, other coal-tar coatings, or refractory bricks.
Coal tar products are ingredients in medicines used to treat skin diseases such as psoriasis. Coal tar, along with coal tar pitch and car tar pitch volatiles, are used or produced in several industries including roofing, aluminum, smelting, road paving, rubber production, and coking.
coal tar pitch volatiles Benzene soluble particulate matter should not be attributed to coal tar pitch volatiles unless polynuclear aromatic hydrocarbons PNAHs are present. OSHA Method 58 specifies the collection of particulates using a glass fibre filter GFF and the gravimetric determination of the benzene-soluble fraction BSF.
Coal tar products are used to treat dandruff and psoriasis. Exposure to coal tar volatiles also occurs in chimney cleaning and working in iron foundries and steel plants. Creosote can accumulate in fish and shellfish enough to prompt consumption advisories. ATSDR ToxProfiles Industries in which workers may be exposed to coal tar pitch ...
Mar 13, 2012 Conclusions of note are Measured levels of coal tar pitch volatiles are 2-3 times higher for men who work at the top of coke ovens as compared to men employed at the side of the ovens. Even though the specific carcinogenic element or elements in the coke oven environment are not known at the present time, in-. creasing levels of exposure to ...
Dec 26, 2018 The residual part of the tar is the pitch which contains nonvolatile and low volatile substances, whose average yield is around 2 of the coking coal charge used for high temperature carbonizing. The industrial production of coal tar pitch consists of the fractional distillation of the coal tar at a temperature around 400 deg C Fig 1.
1926.1102 Coal tar pitch volatiles interpretation of term. Note The requirements applicable to construction work under this section are identical to those set forth at 1910.1002 of this chapter.
CAS 65996-93-2 COAL TAR PITCH coal tar pitch volatiles benzene soluble fraction, msds toxicity property
Respirator Recommendations At concentrations above the NIOSH REL, or where there is no REL, at any detectable concentration Coal tar pitch volatiles Assigned Protection Factor APF Respirator Recommendation
Aug 17, 2012 The coal dust particles mixed in with coal tar pitch volatiles are not soluble in benzene, but almost all of the petroleumderived materials admixed with PNAsPAHs are soluble in benzene. Some of the highest measured levels of coal tar pitch volatiles CTPV have occurred in the aluminum reduction industry, especially in the Soderberg process ...
clothing to prevent dermal exposure to coal tar pitch and coal tar pitch volatiles are also recommended, although maintaining exposures below the TWA level is preferable. Issue Date 1302017 2 Revision 0 Acute, or short-term, exposure to coal tar pitch
Coal tar pitch is a byproduct of metallurgical grade coke metcoke production. In this industry, modern metcoke facilities are recycling coal tar as fuel in order to enhance energy efficiency and minimize environmental emissions. Metcoke production itself is dependent
Jul 09, 2014 Working with Coal Tar Pitch volatiles Posted by admin under Air Monitoring, Asphalt, Carcinogen, Chemical Exposure, CTPV, Dermal, Engineering Controls, Exposure, Hazard Communication, occupational hygiene, odor thresholds, OSHA, Radiation, Respirators, Training, Uncategorized Comments Off on Working with Coal Tar Pitch volatiles
Coal Tar Pitch Volatives by OSHA 58M. Coal Tar Pitch Volatives by OSHA 58M. Industrial Hygiene IH Lab Services Services Guide. Products. Sample Reports. Category Industrial Hygiene IH Lab Services Test Coal Tar Pitch Volatives by OSHA 58M Description . CAS Number 7440-36-0 Test Type Single Test Prefix Test Antimony Sb Synonyms ...
confirmation of potential carcinogenicity in coal tar pitch volatiles or fumes. Specifically, scientific investigations by the National Institute for Occupational Safety and Health have established that, when heated, coal tar pitch yields polycyclic aromatic hydrocarbons. A
A hematite catalyst was used for pyrolysis tar upgrading. Hematite A and B decreased the pitch content by 7.59 and 8.88 respectively. Catalytic pyrolysis of coal enhanced the content of Fe 2 in hematite.. Fe and lattice oxygen were the decisive factors in the bond cleavage of heavy tar.
Coal tar is a black, viscous , thick liquid from which a great number of chemical compounds are derived. The first fraction is obtained in the distillation of coal tar contains many aromatics, among them benzene, toluene and xylem. Benzene is the lightest fraction obtained from the distillation of coal tar hydrocarbons.
Jun 25, 2020 Safety The Coal Tar Pitch Volatiles page at the OSHA website. 7. Safety See this material safety data sheet for health and safety information about coal tar pitch at the Durapax website. This is only an example and other products and brands may be different. 8.
Coal Tar Pitch Volatiles CTPV, Coke Oven Emissions COE, Selected Polynuclear Aromatic Hydrocarbons PAHs.
Coal Tar Creosote CAS RN 8001-58-9 Disposal Methods 40 CFR 240-280, 300-306, 702-799 712006 Generators of waste equal to or greater than 100 kgmo containing this contaminant, EPA hazardous waste number U051, must conform with USEPA regulations in storage, transportation, treatment and disposal of waste. ...
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