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What are UK Environmental Quality Standards for Freshwaters?

The Water Framework Directive (WFD) and other European Union directions play a significant role in formulating the United Kingdom’s environmental quality standards for freshwaters. The WFD is key to protecting groundwaters, lakes, rivers, estuaries and coastal areas. The Environment Agency…

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What are Regional Screening Levels EPA RSL 1.0 and EPA RSL 0.1?

Regional Screening Levels (RSL) refers to risk-based concentrations developed by the United States Environmental Protection Agency using standardized equations which integrate exposure information assumptions with EPA’s toxicity data. RSLs aim to protect human health by assessing the risk the contaminants…

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What are Default Guideline Values (DGVs) For Toxicants When Assessing Water Quality?

Default Guidelines Values (DGVs) are developed according to risk assessment principles by using data derived from laboratory tests in clean water. The species sensitivity distribution (SSD) method is used in deriving DGVs for toxicants during water quality assessment. In circumstances…

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What are the Saskatchewan Environmental Quality Guidelines?

The Saskatchewan Environmental Quality Guidelines provides the desired concentration of substances in the environment to enforce the protection of pathways. It includes protection of water, air, soil and sediments. The pathway-specific criteria applied in the guidelines are informed by the…

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What are the World Health Organization’s Guidelines for Drinking-water Quality?

Access to safe drinking water is essential as a health and development issue at national, regional and local levels. The World Health Organization (WHO) developed WHO drinking water guidelines to formulate national standards and regulations to enforce water safety and…

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What are New Jersey (NJ) Vapour Intrusion Screening Levels and Indoor Remediation Standards?

Vapor intrusion (VI) occurs when volatile chemicals find their way from the subsurface to overlying buildings through preferential pathways or subsurface soils. Vapor intrusion affects the indoor air quality of the concerned buildings and leads to chronic or acute human…

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What are the New Jersey Remediation Standards developed by the New Jersey Department of Environmental Protection?

The New Jersey (USA) AC 7 26 D Remediation Standards developed by the New Jersey Department of Environmental Protection is responsible for the implementation of the Brownfield and Contaminated Site Remediation Act, NJSA 58:10B-12, among other statutes such as The Industrial Site…

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What are the Total Petroleum Hydrocarbons (TPH) and Light Non-Aqueous Phase Liquid (LNAPL) Characterization, Remediation and Management in Kansas?

The Kansas policy on TPH and LNAPL provide guidelines observed in implementing initiatives to address petroleum contaminated sites. Such initiatives include characterizing, remediating, and managing the release of petroleum into the environment. The policy was developed to be used in…

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Monitoring Environmental Data: Tronox’s Public Portal, running on ESdat Environmental Database Software

Tronox’s Public Portal, running on ESdat, has been updated.  Take a look at net/CristalMining#results-map/ detail/515/dd_monitoring_ results The ESdat Public Portal provides monitoring data in a simple to understand format for external or public consumption, with or without a user’s…

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