Citation:

Arent, L., M. Morison, AND C. Soong. EASTERN LAKE SURVEY-PHASE II AND NATIONAL STREAM SURVEY-PHASE I PROCESSING LABORATORY OPERATIONS REPORT. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/4-88/025 (NTIS PB90146275), 1989.

Description:

The National Surface Water Survey was designed to characterize surface water chemistry in regions of the United States believed to be potentially sensitive to acidic deposition. The National Stream Survey was a synoptic survey designed to quantify the chemistry of streams in areas of the United States known to contain low alkalinity waters. Phase II of the Eastern Lake Survey was designed to address temporal variability of chemical and biological characteristics of a subset of Phase I lakes. This document describes the centralized processing laboratory operations associated with the 1986 surveys. The processing laboratory was located in Las Vegas, NV. Personnel at the laboratory processed water samples received from the field and shipped prepared aliquots to contracted analytical laboratories for subsequent analyses. Dissolved inorganic carbon, pH, total monomeric aluminum, organically bound monomeric aluminum, true color, turbidity, and conductivity were measured at the processing laboratory. A total of 3,377 lake, stream, and snowpack samples were processed and analyzed during the 1986 studies.The centralized laboratory operation was successful. Samples were prepared for shipment to the analytical laboratories within the specified holding time in all cases. No personnel safety incidents occurred during the study. Recommendations regarding laboratory operations are included in this report to assist in the preparation of similar projects. This report was submitted in partial fulfillment of contract 68-03-3249 by Lockheed Engineering and Management Services Company, Inc., under the sponsorship of the U.S. Environmental protection Agency.

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