33 Matching Results

Search Results

Advanced search parameters have been applied.
in publisher: "Hanford Site Wash."  
Results: 1 - 24 next
open access

ELECTRICAL SAFETY IMPROVEMENT PROJECT A COMPLEX WIDE TEAMING INITIATIVE

Description: This paper describes the results of a year-long project, sponsored by the Energy Facility Contractors Group (EFCOG) and designed to improve overall electrical safety performance throughout Department of Energy (DOE)-owned sites and laboratories. As evidenced by focused metrics, the Project was successful primarily due to the joint commitment of contractor and DOE electrical safety experts, as well as significant support from DOE and contractor senior management. The effort was managed by an ass… more
Date: November 26, 2007
Creator: BJ, GRAY
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

TECHNICAL BASIS DOCUMENT OF MARSSIM FIELD CALIBRATION FOR QUANTIFICATION OF CS-137 VOLUMETRICALLY CONTAMINATED SOILS IN THE BC CONTROLLED AREA USING 2 BY 2 SODIUM IODIDE DETECTORS

Description: The purpose of this paper is to provide the Technical Basis and Documentation for Field Calibrations of radiation measurement equipment for use in the MARSSIM Seeping Surveys of the BC Controlled Area (BCCA). The Be Controlled Area is bounded on tt1e north by (but does not include) the BCCribs & Trenches and is bounded on the south by Army Loop Road. Parts of the BC Controlled Area are posted as a Contamination Area and the remainder is posted as a Soil Contamination Area. The area is approxima… more
Date: October 26, 2007
Creator: JL, PAPPIN
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

TECHNICAL BASIS DOCUMENT OF MARSSIM FIELD CALIBRATION FOR QUANTIFICATION OF CS-137 VOLUMETRICALLY CONTAMINTED SOILS IN THE BC CONTROLLED AREA USING A 4 BY 4 BY 16 INCH SODIUM IODIDE DETECTOR

Description: The purpose of this paper is to provide the Technical Basis and Documentation for Field Calibrations of radiation measurement equipment for use in the MARSSIM Seeping Surveys of the BC Controlled Area (BCCA). The Be Controlled Area is bounded on tt1e north by (but does not include) the BCCribs & Trenches and is bounded on the south by Army Loop Road. Parts of the BC Controlled Area are posted as a Contamination Area and the remainder is posted as a Soil Contamination Area. The area is approxima… more
Date: October 26, 2007
Creator: JL, PAPPIN
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

DETAILED ANALYSIS OF THE MOST PROMISING ALTERNATIVES TO USING GRANULAR ACTIVATED CARBON TO TREAT 200-ZP-1 GROUNDWATER AND 200-PW-1 SOIL VAPOR

Description: This document presents a detailed evaluation of selected alternative treatment options to granular activated carbon (GAC) for removing carbon tetrachloride generated from the groundwater pump-and-treat system at the 200-ZP-I Operable Unit (OU) in the 200 West Area of the Hanford Site. This evaluation of alternative treatment options to GAC is also applicable to the vadose zone soil vapor extraction (SVE) system at the 200-PW-l OU, which is also located in the Hanford Site's 200 West Area.
Date: November 26, 2007
Creator: BYRNES ME, KALMAR JA
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

2009 EVALUATION OF TRITIUM REMOVAL AND MITIGATION TECHNOLOGIES FOR WASTEWATER TREATMENT

Description: Since 1995, a state-approved land disposal site (SALDS) has received tritium contaminated effluents from the Hanford Site Effluent Treatment Facility (ETF). Tritium in this effluent is mitigated by storage in slow moving groundwater to allow extended time for decay before the water reaches the site boundary. By this method, tritium in the SALDS is isolated from the general environment and human contact until it has decayed to acceptable levels. This report contains the 2009 update evaluation of… more
Date: February 26, 2009
Creator: KJ, LUECK; DJ, GENESSE & GE, STEGEN
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

HANFORD RIVER PROTECTION PROJECT ENHANCED MISSION PLANNING THROUGH INNOVATIVE TOOLS LIFECYCLE COST MODELING AND AQUEOUS THERMODYNAMIC MODELING - 12134

Description: Two notable modeling efforts within the Hanford Tank Waste Operations Simulator (HTWOS) are currently underway to (1) increase the robustness of the underlying chemistry approximations through the development and implementation of an aqueous thermodynamic model, and (2) add enhanced planning capabilities to the HTWOS model through development and incorporation of the lifecycle cost model (LCM). Since even seemingly small changes in apparent waste composition or treatment parameters can result i… more
Date: January 26, 2012
Creator: KL, PIERSON & FL, MEINERT
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

FULL SCALE TESTING TECHNOLOGY MATURATION OF A THIN FILM EVAPORATOR FOR HIGH-LEVEL LIQUID WASTE MANAGEMENT AT HANFORD - 12125

Description: Simulant testing of a full-scale thin-film evaporator system was conducted in 2011 for technology development at the Hanford tank farms. Test results met objectives of water removal rate, effluent quality, and operational evaluation. Dilute tank waste simulant, representing a typical double-shell tank supernatant liquid layer, was concentrated from a 1.1 specific gravity to approximately 1.5 using a 4.6 m{sup 2} (50 ft{sup 2}) heated transfer area Rototherm{reg_sign} evaporator from Artisan Ind… more
Date: January 26, 2012
Creator: AR, TEDESCHI; JE, CORBETT; RA, WILSON & J, LARKIN
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Results of Characterization and Retrieval Testing on Tank 241-C-109 Heel Solids

Description: Eight samples of heel solids from tank 241-C-109 were delivered to the 222-S Laboratory for characterization and dissolution testing. After being drained thoroughly, one-half to two-thirds of the solids were off-white to tan solids that, visually, were fairly evenly graded in size from coarse silt (30-60 μm) to medium pebbles (8-16 mm). The remaining solids were mostly strongly cemented aggregates ranging from coarse pebbles (16-32 mm) to fine cobbles (6-15 cm) in size. Solid phase cha… more
Date: September 26, 2013
Creator: Callaway, William S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

241-AY-101 Tank Construction Extent of Condition Review for Tank Integrity

Description: This report provides the results of an extent of condition construction history review for tank 241-AY-101. The construction history of tank 241-AY-101 has been reviewed to identify issues similar to those experienced during tank AY-102 construction. Those issues and others impacting integrity are discussed based on information found in available construction records, using tank AY-102 as the comparison benchmark. In tank 241-AY-101, the second double-shell tank constructed, similar issues as t… more
Date: August 26, 2013
Creator: Barnes, Travis J. & Gunter, Jason R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Steady State Flammable Gas Release Rate Calculation and Lower Flammability Level Evaluation for Hanford Tank Waste

Description: Assess the steady-state flammability level at normal and off-normal ventilation conditions. The hydrogen generation rate was calculated for 177 tanks using the rate equation model. Flammability calculations based on hydrogen, ammonia, and methane were performed for 177 tanks for various scenarios.
Date: October 26, 2009
Creator: Hu, T. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

SYNTHETIC SLING FAILURE - EVALUATIONS & RECOMMENDATIONS

Description: The information and evaluations provided in this report were compiled to address the recurring problem of synthetic sling failure. As safety is the number one priority in all work aspects, a solution must be devised to prevent accidents from occurring. A total of thirteen cases regarding synthetic sling failure were evaluated in order to determine their causes, effects, and preventative measures. From the collected data, it was found that all cases in which the synthetic sling contacted the edg… more
Date: October 26, 2009
Creator: TC, MACKEY & CS, HENDERSON
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

TANK OPERATIONS CONTRACT CONSTRUCTION MANAGEMENT METHODOLOGY UTILIZING THE AGENCY METHOD OF CONSTRUCTION MANAGEMENT

Description: Washington River Protection Solutions, LLC (WRPS) has faced significant project management challenges in managing Davis-Bacon construction work that meets contractually required small business goals. The unique challenge is to provide contracting opportunities to multiple small business constructioin subcontractors while performing high hazard work in a safe and productive manner. Previous to the WRPS contract, construction work at the Hanford Tank Farms was contracted to large companies, while… more
Date: February 26, 2010
Creator: Lesko, K. F. & Berriochoa, M. V.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Melter Throughput Enhancements for High-Iron HLW

Description: This report describes work performed to develop and test new glass and feed formulations in order to increase glass melting rates in high waste loading glass formulations for HLW with high concentrations of iron. Testing was designed to identify glass and melter feed formulations that optimize waste loading and waste processing rate while meeting all processing and product quality requirements. The work included preparation and characterization of crucible melts to assess melt rate using a vert… more
Date: December 26, 2012
Creator: Kruger, A. A.; Gan, Hoa; Joseph, Innocent; Pegg, Ian L.; Matlack, Keith S.; Chaudhuri, Malabika et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

222-S LABORATORY FUME HOOD TESTING STUDY

Description: The 222-S Laboratory contains 155 active fume hoods that are used to support analytical work with radioactive and/or toxic materials. The performance of a fume hood was brought into question after employees detected odors in the work area while mixing chemicals within the subject fume hood. Following the event, testing of the fume hood was conducted to assess the performance of the fume hood. Based on observations from the testing, it was deemed appropriate to conduct performance evaluations of… more
Date: March 26, 2007
Creator: Ruelas, B. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Steady-State Flammable Gas Release Rate Calculation and Lower Flammability Level Evaluation for Hanford Tank Waste

Description: Assess the steady-state flammability level at normal and off-normal ventilation conditions. The methodology of flammability analysis for Hanford tank waste is developed. The hydrogen generation rate model was applied to calculate the gas generation rate for 177 tanks. Flammability concentrations and the time to reach 25% and 100% of the lower flammability limit, and the minimum ventilation rate to keep from 100 of the LFL are calculated for 177 tanks at various scenarios.
Date: October 26, 2007
Creator: Hu, T. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

STEADY STATE FLAMMABLE GAS RELEASE RATE CALCULATION AND LOWER FLAMMABILITY LEVEL EVALUATION FOR HANFORD TANK WASTE

Description: This report assesses the steady state flammability level under off normal ventilation conditions in the tank headspace for 28 double-shell tanks (DST) and 149 single shell-tanks (SST) at the Hanford Site. Flammability was calculated using estimated gas release rates, Le Chatelier's rule, and lower flammability limits of fuels in an air mixture. This revision updates the hydrogen generation rate input data for all 177 tanks using waste composition information from the Best Basis Inventory Detail… more
Date: October 26, 2009
Creator: JE, MEACHAM
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

HTI CONE PENETROMETER PROBES PREPARATION DEVELOPMENTAL TESTING REPORT

Description: The HTI subsurface characterization task will use the Hanford Cone Penetrometer platform (CPP) to deploy soil sensor and sampling probes into the vadose zone/soils around AX-104 during FY-99. This report provides the data and information compiled during vendor field development tests and laboratory/bench checkout. This document is a vendor deliverable item identified in the ARA Statement of Work HNF-2881, Revision 1. This version of the DTR includes to-be-determined items and some incomplete se… more
Date: October 26, 1998
Creator: Iwatate, D. F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Weld Repair of a Stamped Pressure Vessel in a Radiologically Controlled Zone

Description: In September 2012 an ASME B&PVC Section VIII stamped pressure vessel located at the DOE Hanford Site Effluent Treatment Facility (ETF) developed a through-wall leak. The vessel, a steam/brine heat exchanger, operated in a radiologically controlled zone (by the CH2MHill PRC or CHPRC), had been in service for approximately 17 years. The heat exchanger is part of a single train evaporator process and its failure caused the entire system to be shut down, significantly impacting facility operati… more
Date: August 26, 2013
Creator: Cannell, Gary L.; Huth, Ralph J. & Hallum, Randall T.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Three-Dimensional Surface Geophysical Exploration of the 200-Series Tanks at the 241-C Tank Farm

Description: A surface geophysical exploration (SGE) survey using direct current electrical resistivity was conducted within the C Tank Farm in the vicinity of the 200-Series tanks at the Hanford Site near Richland, Washington. This survey was the second successful SGE survey to utilize the Geotection(TM)-180 Resistivity Monitoring System which facilitated a much larger survey size and faster data acquisition rate. The primary objective of the C Tank Farm SGE survey was to provide geophysical data and subsu… more
Date: February 26, 2014
Creator: Crook, N.; McNeill, M.; Dunham, Ralph & Glaser, Danney R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
Back to Top of Screen