2 edition of Mercury in soil gas and air found in the catalog.
Mercury in soil gas and air
United States Geological Survey
Written in English
Bibliography: p. 4.
|Statement||by J. H. McCarthy, Jr. [and others]|
|Series||Geological survey circular 609, Geological Survey circular ;, 609.|
|Contributions||McCarthy, J. Howard, 1927-|
|LC Classifications||QE75 .C5 no. 609|
|The Physical Object|
|Pagination||iii, 16 p.|
|Number of Pages||16|
|LC Control Number||70607510|
Environmental Pollution Caused by Factories. Industrial pollution can impact your health by introducing harmful particles that can become suspended in the air as well as heavier materials that remain on the surface, contaminating soil and groundwater. Sources of . Mercury is released into the environment through both natural processes (e.g. volcanic activity, weathering of rocks) and human activities (e.g. mining, fuel use, products and processes). Once released, mercury enters air, water and soil, and moves from one to another until it comes to rest in sediments or landfills.
,7,21 3$3( 0(5&85mercury reservoir, with sediment-bound mercury recycling back into the aquatic ecosystem for decades or longer. q Mercury has a long retention time in soil and as a result, the mercury accumulated in soil may continue to be released to surface waters and other media for long. Small, tolerable amounts of mercury are still found in our air, food and water. However, when mercury levels rise, the health risks increase. The removal of mercury begins by mixing water, copper-based pellets, an amoebic isolate and mercury-laden soil in a cylinder. An amoebic isolate is a "dispersing agent that separates soil particles and.
Mercury Operating is currently developing production in several counties in East and West Texas. The West Texas operations focus on districts 9, 7B and 7C while the East Texas operations focus on district 6. In both regions, the main target is relatively shallow conventional play. Occurring Using Concurrent Indoor Air, Subslab Soil Gas, Soil Gas, and Outdoor with a vapor pressure greater than 1 milliliter of mercury, or Henry’s law constant greater than 10 –5 atmosphere-meter cubed per mole. Common VFCs include volatile organic compounds and mercury.
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So, we jumped straight to soil-gas sampling for mercury. The Summa-type canisters used for VOCs aren’t useable for mercury vapor. Mercury vapor is tested with sorbent methods, in which air or soil gas is drawn through a sorbent-filled tube, as discussed in the August Focus on the Environment newsletter.
Pictures of the sampling process. C Mercury in soil gas and air; a potential tool in mineral exploration., Geological Survey Circular, C Paperback – January 1, by United States Geological Survey. (Author) See all formats and editions Hide other formats and editions. Price New from Used from Author: United States Geological Survey.
Mercury in Soil Gas and Air-A Potential Tool in Mineral Exploration By J. McCarthy, Jr., W. Vaughn, R. Learned, and J. Meuschke Abstract The mercury content in soil gas and in the atmosphere was measured in several mining districts to test the possibility that the mercury content in the atmosphere is higher over ore deposits Cited by: Organically bound mercury was analyzed by a selective dissolution technique (Umezaki and Iwamoto, ).
The detection limit for this stationary anal- ysis is ppb Hg. RESULTS AND DISCUSSION Mercury in soil gas and surface air Mercury in soil gas was determined in samples extracted from a depth of cm in deep holes spiked into the by: Nanomaterials are gaining more and more attention in mercury remediation of soil, water and flue gas, owing to their high adsorption capacity, small dimension and other unique electrical, mechanical and chemical properties (Alijani and Shariatinia,Moghaddam and Pakizeh,Wang et al., d).
A range of nanomaterials have been tested Cited by: Inorganic mercury salts can be transported in water and occur in soil. Dust containing these salts can enter the air from mining deposits of ores that contain mercury. Emissions of both elemental or inorganic mercury can occur from coal-fired power plants, burning of municipal and medical waste, and from factories that use mercury.
Air and soil gas Hg. Concentrations of Hg were measured in soil gas and air at mined and baseline sites in this study to evaluate the variability of Hg near ground surfaces in and around BBNP (Table 4). Concentration of Hg in these air and soil gas samples ranged widely from.
Editor’s Note: Previously we discussed the metal mercury and its impact in scrap we will address mercury in the oil and gas industry. Mercury is a highly toxic element that can enter the environment through industrial pathways including coal-fired utility plants, the oil and gas industry, steel scrap processing facilities, gold production, and waste incineration.
Abstract Samples of soil, water, mine waste leachates, soil gas, and air were collected from areas mined for mercury (Hg) and baseline sites in the Big Bend area, Texas, to evaluate potential Hg contami-nation in the region.
Soil samples collected within m of an inactive Hg mine contained elevated Hg. The mercury wastes need to be treated and disposed due to the environmental and safety considerations. The failure to monitor and control the existing mercury in oil and gas can caused contamination on process facilities and mercury emission to water, soil and atmosphere [U.S.
EPA, ] Mercury Removal Process From Natural Gas. Other mercury compounds: NIOSH/OSHA. Up to 1 mg/m 3: (APF = 10) Any chemical cartridge respirator with cartridge(s) providing protection against the compound of concern† (APF = 10) Any supplied-air respirator.
Up to mg/m 3: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode. Mercury is a toxic element found throughout the environment.
The natural abundance of mercury in most soils is usually quite low ( ppm)1; however, elevated levels of mercury may be found in areas where gold mining, clor-alkali production or paper manufacture has taken place.
Also. Mercury in soil gas and air (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors: J Howard McCarthy; Geological Survey (U.S.). Soil near coal-fired power plants is heavily polluted with mercury. We measured mercury concentrations in soil samples collected from six.
The mercury content in soil gas and in the atmosphere was measured in several mining districts to test the possibility that the mercury content in the atmosphere is higher over ore deposits than over barren ground.
At Cortez, Nev., the distribution of anorhalous amounts of mercury in the air collected at ground level (soil gas) correlates well with the distribution of gold-bearing rocks that. The report also includes information on ongoing research on mercury treatment, including applications using nanotechnology, phytoremediation, air stripping, and in situ thermal desorption.
You may need a PDF reader to view some of the files on this page. Mercury in soil gas and air (DLC) (OCoLC) Material Type: Document, Government publication, National government publication, Internet resource: Document Type: Internet Resource, Computer File: All Authors / Contributors: J Howard McCarthy; Geological Survey (U.S.).
Several high-profile mercury vapor intrusion cases have caught media attention in the past years, highlighting the increasing concern. NIOSH Methodoriginally written for workplace personal monitoring, can be easily adapted to sample indoor/ambient air, subslab vapor, or exterior soil gas.
Hot Air Probe 37 Extension Hose 38 Determination of Carbon Monoxide Content in Exhaled Air 38 Investigation of Compressed Air, Medical Gases, and Carbon Dioxide 39 Proposed Strategy for Determining Gas Hazards 43 Measurement of Fumigants 48 Determination of Volatile Contaminants in Liquid Samples Mercury regulation in the United States limit the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs.
The regulations are promulgated by agencies such as the Environmental Protection Agency (EPA) and Food and Drug Administration (FDA), as well as a variety of state and local authorities.
EPA published the Mercury and Air Toxics Standards (MATS. New Jersey Air Toxics Monitoring Network. NJDEP started measuring a selection of toxic volatile organic compounds (VOCs) in Camden inas part of the national Urban Air Toxics Monitoring Program.
Inan air toxics monitoring site was established in Elizabeth, and in two more sites were added in Chester and New Brunswick.Concentrations of Hg in soil gas collected at mined sites (, ng/m(3)) were highly elevated compared to soil gas collected from baseline sites ( ng/m(3)). However, air collected from mined areas at a height of 2 m above the ground surface contained concentrations of Hg ( ng/m(3)) that were considerably lower than Hg in soil.An international team of scientists led by the U.S.
Geological Survey, recently documented widespread mercury contamination in air, soil, sediment, plants, fish, and wildlife at various levels across western North America.
They evaluated potential risk from mercury to human, fish, and wildlife health, and examined resource management activities that influence this risk.