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NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF STANDING TAP WATER SAMPLES FOR METALS AND ARSENIC BY EPA METHOD 200.8 (RTI/ACS-AP-209-001)
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Citation:
Region 5 Study Consortium. NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF STANDING TAP WATER SAMPLES FOR METALS AND ARSENIC BY EPA METHOD 200.8 (RTI/ACS-AP-209-001). U.S. Environmental Protection Agency, Washington, D.C., 1995.
Description:
This protocol describes the procedures for the collection, storage, and shipping of standing tap water samples to be analyzed by EPA Method 200.8 (version 4.4). Standing tap water is the water that has been stored undisturbed inside of home plumbing for at least four hours prior to collection. The procedure specified that standing water samples be collected at the kitchen tap by a resident of the participant household. The samples were collected for total recoverable elements. The NHEXAS primary target analytes are lead and arsenic. The secondary analytes are cadmium and chromium. This protocol describes the sample containers, sample collection, preservation, storage, shipping, and custody procedures. Keywords: tap water; metals.
The National Human Exposure Assessment Survey (NHEXAS) is a federal interagency research effort coordinated by the Environmental Protection Agency (EPA), Office of Research and Development (ORD). Phase I consists of demonstration/scoping studies using probability-based sampling designs. The Region 5 study was conducted in EPA's Region 5 (Ohio, Michigan, Illinois, Indiana, Wisconsin, and Minnesota), and included personal exposure, residential concentration, and biomarker measurements of metals and VOCs. The study was conducted by the Research Triangle Institute (RTI) and the Environmental and Occupational Health Sciences Institute (EOHSI). The scope and design of the study are detailed in the following article: E. Pellizzari et al., Population-Based Exposure Measurements in EPA Region 5: A Phase I Field Study in Support of the National Human Exposure Assessment Survey. Journal of Exposure Analysis and Environmental Epidemiology, Vol. 5, No. 3, 1995, pp. 327-358.
NOTE: The U.S. Environmental Protection Agency (EPA), through its Office of Research and Development (ORD), partially funded and collaborated in the research described here. Mention of trade names or commercial products does not constitute endorsement or recommendation by EPA for use. This SOP is part of the Quality Systems Implementation Plan (QSIP) that was reviewed by the EPA and approved for use in this demonstration/scoping study. This SOP was used in the study and is provided for documentation purposes. It does not reflect EPA methods and should not be construed as such. The methods were generated by the consortium to be used for the NHEXAS pilot study.