Glossary S

The Environmental Glossary. Letter S +++ Popular Articles: 'Soil', 'Social Accountability 8000', 'Substance'

The Solar reflectance is a measure of the ability of a surface material to reflect sunlight - including the visible, infrared, and ultraviolet wavelengths - on a scale of 0 to 1. Solar reflectance is also called "albedo."

The Solar Reflectance Index (SRI) is a value that incorporates both solar reflectance and emittance in a single value to represent a material's temperature in the sun.

Deutsch: Lösung / Español: Solución / Português: Solução / Français: Solution / Italiano: Soluzione /

A solution is a mixture of a solvent and a solute. In some solutions, such as sugar water, the substances mix so thoroughly that the solute cannot be seen.

Deutsch: Somatisch / Español: Somático / Português: Somático / Français: Somatique / Italiano: Somatico

In the environmental context, the term "somatic" primarily pertains to the field of biology and health, referring to the body, particularly as distinct from the mind or psyche. However, when considering the broader implications of environmental health and ecology, "somatic" can relate to the physical effects of the environment on the human body. This perspective emphasizes the impact of environmental factors—such as pollution, chemical exposure, and climate change—on physical health.

A Sorption is a process in which something is taken up and held; as used in the Superfund Program, sorption refers to technologies that use a sorption Agent that attracts, takes up, and holds hazardous waste for removal

Source Material is the Uranium or Thorium ores mined from

A Source Separation is the segregation of hazardous materials from nonhazardous materials to reduce the volume of hazardous waste that must meet special removal and Disposal requirements; it is a method used by industry to control costs

Sourcing in the environmental context refers to the practice of obtaining materials, products, or services in a way that considers their environmental impact. This encompasses the entire supply chain, from the extraction of raw materials to production processes, transportation, and final delivery. Environmental sourcing aims to minimize negative impacts on ecosystems, reduce carbon footprints, and promote the conservation of natural resources. It often involves choosing suppliers and materials that adhere to principles of sustainability, such as renewable resources, energy efficiency, and minimal use of hazardous substances.

Special Nuclear Material (SNM) is defined in 10 CFR 20.1003 as "(1) Plutonium, uranium-233, uranium enriched in the isotope 233 or in isotope 235, and any other material that the NRC, pursuant to the provisions of section 51 of the AEA, determines to be SNM, but does not include source material; (2) or any material artificially enriched by any of the foregoing but does not include source material."

Deutsch: Art / Español: Especie / Português: Espécie / Français: Espèce / Italiano: Specie /

Species refers to a fundamental concept in the environmental context, representing a distinct category of living organisms capable of interbreeding and producing fertile offspring under natural conditions. In the context of biodiversity and ecosystems, the term plays a pivotal role in understanding the diversity of life on Earth. It is critical for assessing ecological relationships, conserving natural habitats, and comprehending the intricate web of life that sustains our planet's ecosystems.

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