Transcription of Laboratory Contamination - Genium.com
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Laboratory Contamination - Genium.com
Genium Publishing CorporationCHAPTER 9 Laboratory ContaminationLaboratory Contamination is defined as the inadvertent addition of target analytes tosamples during the sample collection, transportation and analysis process. Just like theadage that the best place to catch a disease is in the hospital, the best place to find anenvironmental pollutant is in an analytical Laboratory . Contamination manifests itself inthe detected presence of target analytes in the sample that are in greater amounts thanthey are in the native source of the sample. In 1994 EPA announced that all the ambientmonitoring data that had been collected for over 30 years in more or less pristine sitesin an ongoing effort to define the natural background levels of heavy metals wasunreliable due to Contamination in sample collection and analysis.
CHAPTER 9 9-3 Genium Publishing Corporation A significant area that presents a potential for contamination is the presence and use of quality control standards for matrix and blank spiking in the sample preparation
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