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120 percent recovery 20 percent 940 Analyzers acceptance range analyte concentrations analyzer’s Antimony arsenic ASARCO assess average relative bias barium batches cadmium calibration chromium comparability contamination control limits copper CRM PEs data quality data quality level data set Data True Value demonstration plan demonstration samples determined electron Environmental Environmental Technology Verification EPA SW-846 Methods error evaluation fluorescein FPXRF analyzers FPXRF data Intrusive-Unprepared iron lead linear Loam Soil log10 transformed data matrix spike samples MDLs Measured Value True method blank samples Metorex nickel parameters postdigestion precision precision-based MDLs predigestion matrix spike primary analytes r2 Std Reference Data True regression analysis replicate measurements RV Hopkins sample homogenization sample preparation steps secondary analytes similar matrix Situ-Prepared soil samples Soil Texture spike recoveries SRM samples SRMs statistical Table target analytes technologies True Value Percent Value Percent Recovery Value True Value variable X-MET X-ray fluorescence Y-Int y-intercept zinc
Pagina vi - ... resources. Under a mandate of national environmental laws, the Agency strives to formulate and implement actions leading to a compatible balance between human activities and the ability of natural systems to support and nurture life. To meet this mandate, the EPA's Office of Research and Development provides data and science support that can be used to solve environmental problems and to build the scientific knowledge base needed to manage our ecological resources wisely, to understand how pollutants...
Pagina v - NSF make no expressed or implied warranties as to the performance of the technology and do not certify that a technology will always operate as verified. The end user is solely responsible for complying with any and all applicable federal, state, and local requirements. Mention of...
Pagina iii - Program to facilitate the deployment of innovative or improved environmental technologies through performance verification and dissemination of information. The goal of the ETV program is to further environmental protection by substantially accelerating the acceptance and use of improved and more cost-effective technologies.
Pagina ii - Agency review and therefore does not necessarily reflect the views of the Agency, and no official endorsement should be inferred.
Pagina iii - The goal of the ETV Program is to further environmental protection by substantially accelerating the acceptance and use of improved and cost-effective technologies. The ETV Program is intended to assist and inform those involved in the design, distribution, permitting, and purchase of environmental technologies.
Pagina v - NOTICE: Verifications are based on an evaluation of technology performance under specific, predetermined criteria and the appropriate quality assurance procedures. EPA and NSF make no expressed or implied warranties as to the performance of the technology and do not certify that a technology will always operate as verified. The end user is solely responsible for complying with any and all applicable federal, state, and local requirements. Mention of corporate names...
Pagina vi - Program, developers are given the opportunity to conduct a rigorous demonstration of their technology under actual field conditions. By completing the evaluation and distributing the results, the Agency establishes a baseline for acceptance and use of these technologies. The Monitoring and Measurement Technology Program is managed by the ORD's Environmental Sciences Division in Las Vegas, Nevada.
Pagina vi - Program, demonstrates and evaluates innovative technologies to meet these needs. Candidate technologies can originate from within the federal government or from the private sector. Through the SITE Program, developers are given the opportunity to conduct a rigorous demonstration of their technology under actual field conditions.
Pagina 5 - Completeness Completeness refers to the amount of data collected from a measurement process compared to the amount that was expected to be obtained. For this demonstration, completeness referred to the proportion of valid, acceptable data generated using each FPXRF instrument.