Contaminants

Some articles on contaminants, contaminant:

Sacramento Railyards - History
... have identified numerous soil and groundwater contaminants on and near the development area ... National Priorities List (NPL) and identified as containing metal contaminants in the soil ... and NPL deletion in 1991, a 2007 review of the site assessed that while the contaminants still persist, their levels remain protective of human health concerns ...
Spray-and-vac Cleaning - Relationship To Hygienic Cleaning
... to effectively remove embedded soils and contaminants as well as biological contaminants that are not visible to the naked eye ... In addition to detecting contaminants, ATP systems also provide “proof of service” that an area has been effectively and thoroughly cleaned ... systems have been proven to remove more contaminants and disease-causing germs and bacteria on surfaces when compared to conventional mop, bucket, and ...
Asepsis
... Asepsis is the state of being free from disease-causing contaminants (such as bacteria, viruses, fungi, and parasites) or, preventing contact with ... a surgical field is "sterile," meaning it is free of all biological contaminants, not just those that can cause disease, putrefaction, or fermentation, but that is a ... there is no current method to safely eliminate all of the patients' contaminants without causing significant tissue damage ...
Thermal Blanket
... The primary function of a thermal blanket is to heat the soil to the boiling point of the contaminants (usually 800 to 1,000°C) ... The contaminants break down ... pulls the resulting gas (along with some contaminants) into a separate air cleaner that may use various methods, such as carbon filters and high-heat ovens, to completely destroy the contaminants ...
Soil Contamination - Ecosystem Effects
... Not unexpectedly, soil contaminants can have significant deleterious consequences for ecosystems ... the presence of many hazardous chemicals even at low concentration of the contaminant species ... Contaminants typically alter plant metabolism, often causing a reduction in crop yields ...