Maximum methane production was obtained in the experimental vials that contained 0.2% SNTM supplemented with 10 mM sodium citrate and 1% TxL (144 cc), while in the control vials CH{sub 4} production was only 58 cc. The conversion efficiency was 24%. This clearly shows citrate to be an important mediator for the formation of acetate (main precursor for CH{sub 4} formation) in the glyoxylate cycle, on the one hand, and as a sequestering agent, on the other. These results further indicate that citrate can, be successfully used as co-substrate for enhancement of the TxL biogasification process. The results obtained reconfirmed our hypothesis that the metals (such as Fe{sup 3+}, Mn{sup 2+}, Mg{sup 2+}, CO{sup 2+}, Zr{sup 2+}, etc., present in the coal structure) are chelated/sequestered by the addition of citrate. Mass balance calculations show that this increase in CH{sup 4} production is due to the biomethanation of TxL and not because of the chemical conversion of co-substrate(s) to CH{sub 4} (Table 1). The effect of sodium citrate on biomethanation of TXL from the first experiment ``Effect of co-substrate addition No. 1`` was reconfirmed in this experiment. The peak in acetate concentration (1317 ppm) on day 7 was followed by a …

A small holographic, freon-filled bubble chamber is being built to measure the energy spectrum of high-energy photons (energy above a few 100 keV) emitted in a short burst (less than about 1 ms duration). The photon energy is calculated from the scattered electron`s energy and direction in the case of Compton scattering or from the electron and positron energies in the case of pair production. Electron and positron energies are determined from the curvature of the tracks in a magnetic field. The use of freon results in a large photon interaction probability. Holography combines good spatial resolution with large depth of field. The main concern for the holographic system is the minimization of the bubble image size, so as to maximize the number of bubbles visible in one hologram. A high energy photon burst spectrometer has several potential applications in Inertial Confinement Fusion research.

This work plan describes the design and construction of proposed wells and outlines the characterization activities to be performed in support of the In Situ Bioremediation Task for FY 1994. The purpose of the well-design is to facilitate implementation and monitoring of in situ biodegradation of CCl{sub 4} in ground water. However, the wells will also be used to characterize the geology, hydrology, microbiology, and contaminant distribution, which will all feed into the design of the technology. Implementation and design of this remediation demonstration technology will be described separately in an integrated test plan.

This concept endeavors to reduce the volume of air (to be treated) from spray paint booths, thereby increasing efficiency and improving air pollution abatement (VOC emissions especially). Most of the ventilation air is recycled through the booth to maintain laminar flow; the machinery is located on the supply side of the booth rather than on the exhaust side. 60 to 95% reduction in spray booth exhaust rate should result. Although engineering and production prototypes have been made, demand is low.

The National Gas Monthly (NGM) highlights activities, events, and analyses of interest to public and private sector organizations associated with the natural gas industry. Volume and price data are presented each month for natural gas production, distribution, consumption, and interstate pipeline activities. Producer-related activities and underground storage data are also reported. From time to time, the NGM features articles designed to assist readers in using and interpreting natural gas information.

Review of NMP-NCS-94-0087, ``Nuclear Criticality Safety Evaluation 94-02: Uranium Solidification Facility Pencil Tank Module Spacing (U), April 18, 1994,`` was requested of the SRTC Applied Physics Group. The NCSE is a criticality assessment to show that the USF process module spacing, as given in Non-Conformance Report SHM-0045, remains safe for operation. The NCSE under review concludes that the module spacing as given in Non-Conformance Report SHM-0045 remains in a critically safe configuration for all normal and single credible abnormal conditions. After a thorough review of the NCSE, this reviewer agrees with that conclusion.

Letter opinion issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Dan Morales, regarding a legal question submitted for clarification: Whether the term "child" in Government Code section 573.024, which defines relationship by affinity for purposes of state nepotism prohibitions, includes an adult child who is no longer a dependent.

Letter opinion issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Dan Morales, regarding a legal question submitted for clarification: Whether the County Purchasing Act applies to purchases by a district attorney or criminal district attorney out of felony forfeiture funds pursuant to chapter 59 of the Code of Criminal Procedure: clarification of Attorney General Opinion DM-246.

Letter opinion issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Dan Morales, regarding a legal question submitted for clarification: Whether chapter 54 of title 7 of the United States Code requires county-owned pounds and animal shelters to hold all dogs and cats for five days, and related questions.

Letter opinion issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Dan Morales, regarding a legal question submitted for clarification; Whether section 291.007 of the Local Government Code authorizes El Paso County to collect as a security fee for cases filed in the county probate court and related questions (ID# 23372)

Letter opinion issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Dan Morales, regarding a legal question submitted for clarification; Whether the San Antonio Housing Authority may reimburse commissioners on a per diem basis (ID# 24034)

A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.

The Supplemental Design Requirements Document (SDRD) is used to communicate plant design information from Westinghouse Hanford Company (WHC) to the US Department of Energy (DOE) and the cognizant Architect Engineer (A/E). Information in the SDRD serves two purposes: to convey design requirements that are too detailed for inclusion in a Functional Design Criteria (FDC) report; and to serve as a means of change control for design commitments in the Conceptual Design Report. The mission of WRAP 2A on the Hanford site is the treatment of contact handled low level mixed waste (MW) for final disposal. The overall systems engineering steps used to reach construction and operation of WRAP 2A are depicted in Figure 1. The WRAP 2A SDRD focuses on the requirements to address the functional analysis provided in Figure 1. This information is provided in sections 2 through 5 of this SDRD. The mission analysis and functional analysis are to be provided in a separate supporting document. The organization of sections 2 through 5 corresponds to the requirements identified in the WRAP 2A functional analysis.