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Sulfur dioxide (SO2) vertical column density measurements by Pandora...
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Specificity of high resolution analysis of naphthenic acids in aqueous...
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Migrating Whooping Cranes avoid wind-energy infrastructure when selecting...
Abstract Electricity generation from renewable-energy sources has increased dramatically worldwide in recent decades. Risks associated with wind-energy infrastructure are not... -
Integrated analysis of petroleum biomarkers and polycyclic aromatic...
Abstract We examined polycyclic aromatic compounds (PACs) and petroleum biomarkers (steranes, hopanes, and terpanes) in radiometrically-dated lake sediment cores from the... -
Inter-annual variation of mercury in aquatic bird eggs and fish from a large...
Abstract: Understanding changes in environmental mercury concentrations is important for assessing the risk to human and wildlife populations from this potent toxicant. Here, we... -
Co-exposures to trace elements and polycyclic aromatic compounds (PACs)...
Highlights • Baculum bone health and liver contaminants were evaluated in river otter. • Protective and deleterious effects were detected for select contaminants. • Alkylated... -
Vanadium Stable Isotopes in Biota of Terrestrial and Aquatic Food Chains
Abstract Abstract Image Vanadium, a potentially toxic metal, is enriched in the environment from anthropogenic releases, particularly during fossil fuel production and use and... -
Characterization and source apportionment of airborne particulate elements...
Highlights • 48 elements in PM2.5 and PM2.5–10 were analyzed at four air monitoring sites. • Elements contributed 8–11% and 16–28% of PM2.5 and PM2.5–10 mass respectively. •... -
SOP No.: 7.03/3.1/S Canister Sampling Analysis Using the Entech Preconcentrator
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SOP No.: 7.06/3.0/S Processing and Evaluation of Internal Standard Data
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SOP No.: 7.16/2.0/S Management and Archiving of Instrumental Data
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SOP No.: 6.19/1.2/S PANalytical Epsilon 5 XRF Spectral Acquisition,...
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SOP No.: 3.18/1.0/S Proficiency Testing – Organic Laboratories
Proficiency tests (PT) define the ability of the laboratory and/or analyst to carry out the procedures of the method with acceptable precision and accuracy. Participation in a... -
SOP No.: 7.15/1.6/S VOC Sample Management Procedures
This Standard Operating Procedure provides instructions for management of 3 L and 6 L ambient air samples which are taken on a routine, scheduled basis. -
SOP No.: 3.02/2.6/S Glassware Cleaning
All glassware used in the analysis of toxic organic compounds at the trace and ultra-trace level must be scrupulously cleaned as soon as possible after use to ensure the removal... -
SOP No.: 3.04/2.4/S Solvents
The analysis of environmental samples for organic contaminants requires the use of a variety of organic solvents. These solvents vary greatly in flammability, volatility and... -
SOP No.: 3.05/3.2/S Housekeeping
The maintenance of a clean, safe workplace requires the participation of everyone working within the laboratory. The following procedures must be followed to ensure effective... -
SOP No.: 3.10/3.4/S Gas Cylinders
High pressure gas cylinders are used daily in the Analysis and Air Quality Section as carrier gas for gas chromatographs, reaction gas and makeup gas for instrumental detectors,... -
SOP No.: 3.13/3.1/S Reagents
Laboratory reagents are used in all procedural steps during the course of sample preparation. To ensure that reagents are of known quality and purity and free of contaminants... -
SOP No.: 6.06/1.8/S Extraction of Filters
This SOP describes procedures used to extract inorganic ions, organic acids, carbohydrates and water soluble metals from particulate matter collected on filters in support of...