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Installation Restoration Program Irp Stage 3 Groundwater Sampling And Analysis Program For Mcclellan Air Force Base California January Through March 1993 Data Summary
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Book Synopsis Installation Restoration Program (IRP) Stage 3. Groundwater Sampling and Analysis Program for McClellan Air Force Base, California, January Through March 1993. Data Summary by :
Download or read book Installation Restoration Program (IRP) Stage 3. Groundwater Sampling and Analysis Program for McClellan Air Force Base, California, January Through March 1993. Data Summary written by and published by . This book was released on 1993 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Data Summary presents the results of groundwater sampling activities conducted on and in the vicinity of McClellan Air Force Base during the sampling period of January through March 1993. Concentrations of purgeable hydrocarbons and aromatic compounds detected in wells (42 monitoring wells, 6 extraction wells, 1 extraction well composite, and 1 background well) exceeded state and/or federal drinking water standards. Like the Fourth Quarter 1992, 25 monitoring wells exceeded the maximum concentration levels (MCLs) for one or more inorganic analysts in the First Quarter 1993, compared to 10 wells in the Third Quarter 1992. The reason for the increase is due to the change in sampling procedure (nonfiltering of inorganics). These wells are located in Sectors A, B, C. and D.
Book Synopsis Installation Restoration Program (IRP) Stage 3. Groundwater Sampling and Analysis Program for McClellan Air Force Base, California, April Through June 1993. Data Summary by :
Download or read book Installation Restoration Program (IRP) Stage 3. Groundwater Sampling and Analysis Program for McClellan Air Force Base, California, April Through June 1993. Data Summary written by and published by . This book was released on 1993 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Data Summary presents the results of groundwater sampling activities conducted on and in the vicinity of McClellan Air Force Base during the sampling period of April through June 1993. Concentrations of purgeable hydrocarbons and aromatic compounds detected in wells (48 monitoring wells, 5 extraction wells, and 1 extraction well composite) exceeded state and/or federal drinking water standards. Twenty-nine (29) monitoring wells exceeded the maximum concentration levels (MCLs) for one or more inorganic analytes. Nineteen of the 29 wells exceeding MCLs have not been sampled since the implementation of the nonfiltering procedure. These wells are located in Sectors A, B, C, and D.
Book Synopsis Installation Restoration Program (IRP) Stage 3. Groundwater Sampling and Analysis Program for McClellan Air Force Base, California, October Through December 1993. Data Summary by :
Download or read book Installation Restoration Program (IRP) Stage 3. Groundwater Sampling and Analysis Program for McClellan Air Force Base, California, October Through December 1993. Data Summary written by and published by . This book was released on 1994 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Data Summary presents the results of groundwater sampling activities conducted on and in the vicinity of McClellan Air Force Base during the sampling period of October through December 1993. Concentrations of purgeable hydrocarbons and aromatic compounds detected in wells (44 monitoring wells, 6 extraction wells, and 1 extraction well composite) exceeded state and/ or federal drinking water standards. These wells are located in Sectors A, B, C, and D.
Book Synopsis Installation Restoration Program (IRP) Stage 3. Groundwater Sampling and Analysis Program for McClellan Air Force Base, California, April-June 1994. Data Summary by :
Download or read book Installation Restoration Program (IRP) Stage 3. Groundwater Sampling and Analysis Program for McClellan Air Force Base, California, April-June 1994. Data Summary written by and published by . This book was released on 1994 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: This data summary presents the results of groundwater sampling activities conducted on and in the vicinity of McClellan Air Force Base during the sampling period of April through June 1994. Concentrations of one or more contaminants equaled or exceeded state and/or federal drinking water standards in 111 wells (100 monitoring wells, 10 extraction wells, and one extraction well composite). These wells are located in Sectors A, B, C, and D.
Book Synopsis Installation Restoration Program (IRP), Stage 3, McClellan Air Force Base. Groundwater Sampling and Analysis Program, January Through March 1990. Data Summary by :
Download or read book Installation Restoration Program (IRP), Stage 3, McClellan Air Force Base. Groundwater Sampling and Analysis Program, January Through March 1990. Data Summary written by and published by . This book was released on 1990 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Data Summary presents the results of groundwater sampling activities conducted on and in the vicinity of McClellan Air Force Base from the sampling period of January through March 1990. Concentrations of purgeable halocarbons and aromatic compounds detected in 49 wells (39 monitoring wells and 10 extraction wells) exceeded state and/or federal drinking water standards. These wells are located on-base in Areas A, B, C, D and adjacent on-base areas and off-base in the Northwest and Southwest areas. The Area D extraction system is effectively operating to change hydraulic gradients, so groundwater in Area D flows toward the extraction wells. Samples from two middle zone monitoring wells located in Area D also show decreases in contaminant concentration during this sampling period. Decreasing contaminant concentrations have stabilized in shallow zone monitoring wells located off-base, west of Area D.
Book Synopsis Installation Restoration Program Stage 3. McClellan AFB, California Remedial Investigation/Feasibility Study Groundwater Sampling and Analysis Program January Through March 1989 Data Summary by :
Download or read book Installation Restoration Program Stage 3. McClellan AFB, California Remedial Investigation/Feasibility Study Groundwater Sampling and Analysis Program January Through March 1989 Data Summary written by and published by . This book was released on 1989 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Data Summary presents the results of groundwater sampling activities conducted on and in the vicinity of McClellan Air Force Base from the sampling period of January through March, 1989. Concentrations of purgeable halocarbons and aromatic compounds detected in 336 wells (26 monitoring wells are located on base in Area A, B, C, D, and adjacent on-base areas and off-base in the Northwest and Southwest areas. There was no detected increase in the areal extent of contaminated groundwater, nor was there any increase in the depth that contaminated groundwater was detected. The Area D extraction system is effectively operating to change hydraulic gradients, so groundwater in Area D flows toward the extraction wells. Contaminant concentrations have decreased in Area D deep zone monitoring wells. Samples from three middle zone monitoring wells located in Area D also show decreases in contaminant concentration during this sampling period. Decreasing contaminant concentrations have stabilized in shallow zone monitoring wells located off-base, west of Area D.
Book Synopsis Installation Restoration Program Stage 3. McClellan Air Force Base, California. Remedial Investigation/Feasibility Study Groundwater Sampling and Analysis Program Data Summary by : RADIAN CORP SACRAMENTO CA.
Download or read book Installation Restoration Program Stage 3. McClellan Air Force Base, California. Remedial Investigation/Feasibility Study Groundwater Sampling and Analysis Program Data Summary written by RADIAN CORP SACRAMENTO CA. and published by . This book was released on 1988 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concentrations of purgeable halocarbon and aromatic compounds detected in samples collected from 40 monitoring wells and Six Area D extraction wells exceeded state and federal drinking water standards. These 32 monitoring wells are located on base in Areas A, B, C, D, and Adjacent On-Base Areas, and off-base in the Northwest and Southwest Areas. There was no definable increase from the previous sampling period (1 April through 30 June, 1988). The Area D extraction system is effectively operating to change hydraulic gradients based on differences in hydraulic heads specified for the system. Contaminant concentrations continue to decrease in deep zone monitoring wells. Samples from several middle zone monitoring wells show and decreasing trend except for this sampling period when concentrations increased. Decreasing contaminant concentrations have recently stabilized in shallow zone monitoring wells located outside the extraction system well-field. (FR).
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1993 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Installation Restoration Program (IRP) Stage 3. Finding of No Significant Impact Operable Unit B. Engineering Evaluation/Cost Analysis-Environmental Assessment and Removal Action by : RADIAN CORP SACRAMENTO CA.
Download or read book Installation Restoration Program (IRP) Stage 3. Finding of No Significant Impact Operable Unit B. Engineering Evaluation/Cost Analysis-Environmental Assessment and Removal Action written by RADIAN CORP SACRAMENTO CA. and published by . This book was released on 1991 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Department of the Air Force has prepared an Engineering Evaluation/Cost Analysis and assessment of environmental impact to respond to contaminated ground water in Operable Unit (OU) B at McClellan AFB, California. Proposed action involves: (1) installation of extraction wells; (2) extraction of contaminated ground water; (3) treatment of extracted groundwater; and (4) release of the treated groundwater. Additional ground water monitoring, abandonment of a contaminated production well, continued extraction from a production well, and restriction on the use of a third production well are also proposed as integral parts of the restoration and water reclamation activity. This action only covers short-term measures to reduce the potential for increased health risks from the migration of higher concentrations of contaminants to on- and off-base water supply wells.
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1994 with total page 1442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis Installation Restoration Program Stage 3 McClellan Air Force Base by : RADIAN CORP SACRAMENTO CA.
Download or read book Installation Restoration Program Stage 3 McClellan Air Force Base written by RADIAN CORP SACRAMENTO CA. and published by . This book was released on 1988 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Semiannual Informal Technical Report summarizes the interpretive results for analytical and hydrologic data obtained during groundwater sampling and analysis at McClellan AFB from August 1979 through the First Quarter 1988. The data are used to evaluate the occurrence and migration of groundwater contaminants, to assess the variability in the sampling and analytical processes, to identify any hydrologic and analytical trends developing with time, and to evaluate the effectiveness of the Area D extraction system. The occurrence and migration of Trichloroethene(TCE) in the groundwater was evaluated. Several factors controlling the direction of contaminant flow and the rate of contaminant migration were discussed. These include the effects of pumping by active base production wells and the Area D extraction wells. Keywords: Water pollution abatement, Installation restoration program. (kt).
Book Synopsis Installation Restoration Program (IRP) Stage 7, Remedial Investigation/ Feasibility Study Comprehensive CERCLA Work PLan for McClellan AFB/EM, McClellan AFB, California by :
Download or read book Installation Restoration Program (IRP) Stage 7, Remedial Investigation/ Feasibility Study Comprehensive CERCLA Work PLan for McClellan AFB/EM, McClellan AFB, California written by and published by . This book was released on 1991 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1979, officials at McClellan Air Force Base (AFB) in California began to suspect that past waste disposal practices may be contaminating the ground water in the area. At least four areas of potential ground water contamination needing further investigation. A comprehensive program was developed to maintain drinking water quality and to remediate the contamination. Through the operation and maintenance of aircraft, McClellan AFB has been engaged in operations that involve the use, storage, and disposal of hazardous materials including: industrial solvents, caustic cleaners, electroplating chemicals, heavy metals, polychlorinated biphenyls (PCBs), low-level radioactive wastes, and a variety of fuel oils and lubricants. Hazardous substances have percolated into aquifers. Ground water testing identified the presence of volatile organic compounds in on- and off-base wells. Surface water drainage includes several creeks within the area watersheds. These creeks receive contaminants and toxic hazards from on base drainage and then in turn merge with several tributaries, and exit to the west.
Book Synopsis Installation Restoration Program (IRP), Phase II, Stage 1 - Problem Confirmation Study, Norton Air Force Base, San Bernardino, California. Volume 1. Technical Report by : WESTON (ROY F) INC WEST CHESTER PA.
Download or read book Installation Restoration Program (IRP), Phase II, Stage 1 - Problem Confirmation Study, Norton Air Force Base, San Bernardino, California. Volume 1. Technical Report written by WESTON (ROY F) INC WEST CHESTER PA. and published by . This book was released on 1985 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fifteen sites of potential environmental concern, grouped into six waste management zones, were evaluated. A total of 22 monitor wells were installed and groundwater samples were obtained from each well. Soil samples were obtained for chemical analysis from 12 soil borings. Samples of surface water, bottom sediments and fish tissues were obtained from three ponds. All chemical analyses were accomplished in accordance with Standard USEPA analytical methods. Based on the sampling and analyses performed, levels of contamination were found in soils or groundwater at seven of the 15 sites evaluated which warrant further investigation and potential remedial actions. Recommendations were made as to appropriate follow-up site evaluation work at these seven sites.
Book Synopsis Installation Restoration Program (IRP) Stage 5 by : United States. Air Force
Download or read book Installation Restoration Program (IRP) Stage 5 written by United States. Air Force and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Installation Restoration Program (IRP). Stage 7. Operable Unit B Soil Gas Investigation, Data Summary Report by :
Download or read book Installation Restoration Program (IRP). Stage 7. Operable Unit B Soil Gas Investigation, Data Summary Report written by and published by . This book was released on 1991 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document presents a summary of data compiled during the McClellan AFB Operable Unit B Soil Gas Investigation, including results of all field activities and recommendations for further investigation of 40 Sites, Potential Release Locations, Study Areas, and Special Study Areas in Operable Unit B. Soil gas sampling and analysis was used as a screening tool to identify areas where shallow soils and soil gas have been contaminated with volatile organic compounds. A total of 41 sites were investigated.
Book Synopsis Installation Restoration Program. Phase 2. Confirmation/Quantification Stage 1. US Air Force Plant Number 42, Palmdale, California by : ENGINEERING-SCIENCE INC PASADENA CALIF.
Download or read book Installation Restoration Program. Phase 2. Confirmation/Quantification Stage 1. US Air Force Plant Number 42, Palmdale, California written by ENGINEERING-SCIENCE INC PASADENA CALIF. and published by . This book was released on 1987 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: An INstallation Restoration Program (IRP) Phase II, Stage 1 investigation was conducted at USAF Plant 42 in Palmdale, California, to confirm the presence or absence of contamination at 23 sites. Contamination was suspected at the sites as a result of past spills, leaks, or waste disposal practices. A field investigation program was conducted, consisting of soil boring and sampling, groundwater sampling, and chemical analysis of environmental samples (water and soils) for suspected contaminants. No significant contaminants were found at 17 of the sites. Fuel contamination (petroleum hydrocarbons or oil & grease) was detected at 5 sites, 3 of which also had volatile organics present. Remedial action was recommended for 2 sites because of the location and amount of contaminants detected.
Book Synopsis Installation Restoration Program. Phase 2. Confirmation/Quantification Stage 1. US Air Force Plant Number 42, Palmdale, California by : ENGINEERING-SCIENCE INC PASADENA CALIF.
Download or read book Installation Restoration Program. Phase 2. Confirmation/Quantification Stage 1. US Air Force Plant Number 42, Palmdale, California written by ENGINEERING-SCIENCE INC PASADENA CALIF. and published by . This book was released on 1987 with total page 669 pages. Available in PDF, EPUB and Kindle. Book excerpt: An Installation Restoration Program (IRP) Phase II, Stage 1 investigation was conducted at USAF Plant 42 in Palmdale, California, to confirm the presence or absence of contamination at 23 sites. Contamination was suspected at the sites as a result of past spills, leaks, or waste disposal practices. A field investigation program was conducted, consisting of soil boring and sampling, groundwater sampling, and chemical analysis of environmental samples (water and soils) for suspected contaminants. No significant contaminants were found at 17 of the sites. Fuel contamination (petroleum hydrocarbons or oil & grease) was detected at 5 sites, 3 of which also had volatile organics present. Remedial action was recommended for 2 sites because of the location and amount of contaminants detected.
