Remedial Investigation of Contaminant Mobility at Naval Weapons Station, Concord, California. Subtitle Appendix 2.5. 1986/1987 PDF Download
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Author: Charles R. Lee
Publisher:
ISBN:
Category :
Languages : en
Pages : 129
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Book Description
This report is an appendix to Miscellaneous Paper EL-86-2. It contains corrections and supplemental information to the original report, as well as data collected between June 1986 and August 1987 to supplement previously reported data and to further delineate the extent of contamination at Naval Weapons Station, Concord, California. It also assesses the impact of the 1986 flood on the redistribution of contamination. The derived data include soil analysis, a clam bioassay, and ground-water samples. Wetland boundaries were also delineated. Keywords: Animal bioassay, Arsenic, Cadmium, Contaminant mobility, Copper, Ground water, Lead, Metal contamination, Remedial investigation, Upland contamination, Wetland delineation, Zinc. (MJM).
Author: Charles R. Lee
Publisher:
ISBN:
Category :
Languages : en
Pages : 129
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Book Description
This report is an appendix to Miscellaneous Paper EL-86-2. It contains corrections and supplemental information to the original report, as well as data collected between June 1986 and August 1987 to supplement previously reported data and to further delineate the extent of contamination at Naval Weapons Station, Concord, California. It also assesses the impact of the 1986 flood on the redistribution of contamination. The derived data include soil analysis, a clam bioassay, and ground-water samples. Wetland boundaries were also delineated. Keywords: Animal bioassay, Arsenic, Cadmium, Contaminant mobility, Copper, Ground water, Lead, Metal contamination, Remedial investigation, Upland contamination, Wetland delineation, Zinc. (MJM).
Author: Charles R. Lee
Publisher:
ISBN:
Category : Pollution control industry
Languages : en
Pages : 120
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Author: Charles R. Lee
Publisher:
ISBN:
Category : Pollution control industry
Languages : en
Pages : 491
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A remedial investigation was conducted at Naval Weapons Station, Concord, California, to determine the nature and extent of of wetland and terrestrial environments. The evaluation considered major pathways of contaminant migration including soil, water, air and biota. Major testing was conducted on soil and the biological components of the pathways. Chemical analysis of soil samples indicated substantial elevation in arsenic, cadmium, lead, selenium, zinc and copper in certain contaminated areas. Field conducted clam bioassays showed a moderate potential for lead, cadmium and zinc to bioaccumulate in clams placed in surface waters of a limited number of sampling sites. Plant and earthworm bioassays indicated substantial movement of arsenic, cadmium, lead, selenium, zinc and copper into plants and soil-dwelling organisms in contaminated areas. A definite threat of these contaminants to impact wildlife, especially the endangered species that inhabit the contaminated sites, was strongly suggested by the toxicological effects of these metals on birds and mammals. A hydrological evaluation indicated substantial movement of hazardous substances into surface waters during storm events and high tides. A comprehensive evaluation of natural resources indicated that the wetland areas have moderate to high functional values for wildlife habitat, food chain support, flood storage, shoreline anchorage, sediment trapping, nutrient retention and passive recreation and heritage.
Author:
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Category : Power resources
Languages : en
Pages : 596
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Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Author: California Environmental Protection Agency. Division of Water Quality
Publisher:
ISBN:
Category : Hazardous waste site remediation
Languages : en
Pages : 386
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 1010
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Author:
Publisher:
ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 1016
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Author:
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ISBN:
Category : Science
Languages : en
Pages : 560
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Author: United States. Naval Facilities Engineering Command. Atlantic Division
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ISBN:
Category : Pollution
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 596
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Book Description
This data quality report provides an evaluation of method blanks, rinsate blanks, and field quality control sample data generated for the supplemental RI activities conducted at Fort Devens, Massachusetts. Data were generated by ESE Laboratories from the analyses of soil and water samples collected during the fall of 1992 through the Spring of 1993. Data from Round 2 groundwater sampling are contained in Section 3.0 of this Appendix. All data used in this report came directly off USAEC's IRDMIS system. Samples originated from study area Group 1A. Quality Control Frequency Tables. Frequency tables were generated for all quality control blanks that were analyzed during the Fort Devens RI. These include trip blanks, rinsate blanks and method blanks. The results are listed by analytical method and were used to identify any target analytes that appeared in the blanks. The frequency tables are provided to give an overview of blank contamination with respect to the number of blanks analyzed and the range of chemical contamination associated with each blank type. Tables 113, 114, and 115 represent the frequency of detected analytes for rinsate, method and trip blanks, respectively. Analytes which are not listed in the frequency tables were not detected at a concentration above the Certified Reporting Limit (CRL). They are listed, however, in Tables H6, H7, and 118. The frequency tables are arranged by QC type, method blanks, rinsate blanks, and trip blanks. Both method blanks and trip blanks were associated with their corresponding samples and evaluated following USEPA Region I Guidelines for data validation. Sample results that fell within either the 5X or lOX rule for blank contamination are listed in Table 1117. No results were eliminated or removed from the data set. The results were tabulated by method, sample ID, site, and lot for use in interpreting the data for the Remedial Investigation.
