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Passive Diffusion Services
13 services found
by:Beacon Environmental Services, Inc. based inForest Hill, MARYLAND (USA)
Beacon Environmental can target a broad range of compounds using sorbent filled stainless steel tubes to passively collect VOCs and SVOCs in soil vapor or indoor air following established ASTM methods, as well as other international protocols. Passive diffusion samplers do not require pumps or electricity and can be used to collect samples over a ...
by:AEEC based inReston, VIRGINIA (USA)
All sampling is performed by certified field technicians. AEEC has applied innovative sampling technologies, including micropurging and passive diffusion. To facilitate sampling, AEEC possesses a fully equipped sampling truck. AEEC has experience performing sampling of various media under all types of environmental conditions in a number of ...
by:Environmental Reclamation Services (ERS) Ltd based inGlasgow, UNITED KINGDOM
High quality monitoring data underpins site characterisation, facilitates effective remedial programme design, allows progress to be followed in real time and provides the crucial evidence to achieve site close out. At ERS we understand the critical factors necessary to design and implement monitoring schemes that deliver timely data in a form compatible with risk-based remedial ...
by:Environmental Assurance (Pty) Ltd. based inNew Muckleneuk, SOUTH AFRICA
Establishing the current ambient air quality for an area is termed the characterisation of baseline conditions and is undertaken by assessing ambient monitored and measured of the Ambient Air Quality of an area. All monitoring is done in accordance with the given SANS and ISO standards to ensure high quality data. Monitoring and Measurement data provided for assessment can be presented in annual, ...
by:Blaine Tech Services, Inc. based inSan Jose, CALIFORNIA (USA)
The majority of the groundwater monitoring that we perform follows the Traditional Purge & Sample protocol with water level measurements, purge volume calculations and water parameter confirmation.There is also significant demand for USEPA Low-Flow / Micropurge Sampling. We have implemented this protocol on hundreds of sites using peristaltic pumps, variable speed electric submersible pumps, ...
Manufactured by:eCow Ltd. based inExeter, UNITED KINGDOM
As mentioned above there is a lag period between introducing a new diet and the rumen adjusting to more efficiently utilise the new diet. Studies have shown that the rumen papillae respond to dietary changes by changing size and shape in order to increase or decrease the surface area of the rumen wall and thus speed up or slow down absorption of nutrients. It is estimated that a period of about ...
by:MtoZ Biolabs based in, MASSACHUSETTS (USA)
The Cryo-EM Single Particle Analysis technique involves preparing numerous molecular samples with identical structures. These are dispersed and vitrified for random projection imaging, followed by computational angle determination and the alignment of particles with matching angles to emphasize distinctive, interpretable features. Assuming uniformity in molecular structure, the technique involves ...
by:Campbell Environmental Group, Inc. (CEG) based inFalmouth, MAINE (USA)
A Phase II Environmental Site Assessment (Phase II ESA) is an investigation of soil, groundwater, surface water, sediments, and occasionally bedrock or indoor air. The purpose of a Phase II ESA is to evaluate potential source areas of contamination, determine the extent of potential contaminant migration from the source areas, and determine if sensitive receptors are impacted. Campbell ...
by:Peschla + Rochmes GmbH based inKaiserslautern, GERMANY
We can look back on more than 30 years of experience in groundwater protection and groundwater development. Due to our practical experience as well as the close cooperation with authorities and research partners we are familiar with all current methods and techniques but also apply recently developed sampling and measurement ...
by:Environmental Assurance (Pty) Ltd. based inNew Muckleneuk, SOUTH AFRICA
Ambient Air Quality can be defined as: The physical and chemical measure of pollutant concentrations in the ambient atmosphere. Generally the concentrations of gases or particles to which the general population would be exposed to, as opposed to the concentration of pollutants emitted by a specific source. The quality is usually determined over a specific time ...
by:Airzone One Ltd. based inMississauga, ONTARIO (CANADA)
Although air quality issues typically result from direct emissions from exhaust stacks or chemicals used in industrial processes, vapour intrusion is caused by contaminants in soil or ground water volatilizing (evaporating) and moving indoors through the foundation or floor slab. Vapour intrusion, particularly of volatile organic compounds (VOCs), is increasingly recognized as a potential source ...
by:CRG Texas Environmental Services, Inc. based inRosenberg, TEXAS (USA)
Welcome to CRG Texas, a leading provider of comprehensive environmental field services. Our experienced team of environmental professionals specializes in conducting soil boring tests, groundwater sampling, and installation of groundwater monitoring wells. Through our field services, we help businesses identify potential impacts to soil and groundwater, enabling effective environmental management ...
by:Odour Monitoring Ireland based inTrim, IRELAND
The effects of inhaling particulate matter has been widely studied in humans and animals and include asthma, lung cancer, cardiovascular issues, and premature death. The size of the particle is a main determinant of where in the respiratory tract the particle will come to rest when inhaled. Larger particles are generally filtered in the nose and throat and do not cause problems, but particulate ...