SOLICITATION NOTICE
66 -- Alpha Spectrometer & Spectroscopy Analysis System for EPA NAREL
- Notice Date
- 8/29/2002
- Notice Type
- Solicitation Notice
- Contracting Office
- Environmental Protection Agency, Administrative Contract Service Center, 1200 Pennsylvania Avenue, Nw, Washington, DC 20460
- ZIP Code
- 20460
- Solicitation Number
- RFQ-DC-02-00290
- Response Due
- 9/11/2002
- Point of Contact
- Point of Contact, Christopher Smith, Purchasing Agent, Phone (202) 564-0372
- E-Mail Address
-
Email your questions to U.S. Environmental Protection Agency
(smith.christopher@epa.gov)
- Description
- NAICS Code: 334516 The United States Environmental Protection Agency (U.S. EPA) invites offers for an Alpha Spectrometer and Spectroscopy Analysis System, supporting the National Atmospheric Radiation Evaluation Laboratory (NAREL). Any quote must include delivery to U.S. EPA NAREL, 540 South Morris Ave., Montgomery AL 36115-2601, and installation at the facility by a trained and qualified specialist(s) within four (4) weeks after formal acknowledgement of contract award. General Requirement for Alpha Spec Hardware and Software System: Interface connections between PC/Network/Hardware shall be nonproprietary (e.g. Standard RS-232, IEEE 802.2, IEEE 802.3, thinwire RJ-45, etc.). Alpha Spectrometer - General Description: Self-contained double width NIM module channel Spectrometer, which includes a variable detector bias supply, preamplifier, shaping and stretching amplifier with adjustable gain, a biased amplifier, a linear amplifier with variable gain, test pulser and discriminator. Unit must be able to accept either surface barrier or ion implanted detectors. Unit must have a vacuum pump connector for !/4 in OD tubing. Vacuum chamber must have a sample holder with variable distances in steps of approximately 4mm from the detector. Alpha Spectrometer - Specifications: 1. Detector/electronic noise </= 24 keV FWHM for 450-mm2 detectors. 2. Background 0.05 counts/cm2 detector active area. 3. Must be able to accept sample sizes up to 2 inches in diameter. 4. Energy ranges from 3-8 MeV, 4-7 MeV, 3 to 5 MeV, 4-6 MeV, 5-7 MeV, 6-8 MeV. 5. Must have a detector Bias control potentiometer. 6. 0.25 in OD vacuum pump connector. 7. E Bias adjustable control. 8. Amplifier gain control. 9. BNC (Berkeley Nucleonics Corporation) - preferable rear panel - connector to provide a NIM-standard positive puls for gross alpha counting or routing. 10. BNC (preferable rear panel) connector to provide a positive energy pulse 7.75-10.25 v max. 11. BNC (preferable rear panel) connector to provide 0-10 MeV LIN AMP OUT. Alpha Spectroscopy 8 Chamber Detector System - General Description: The system to perform alpha spectroscopy on eight individual samples simultaneoulsy must include: 1. Eight individual chambers, each with its own evacuation, isolation, and vent control. Each chamber will have its own pressure activated bias interlock to protect detector diodes during venting and pump down. Each chamber will also have its own vacuum gauge, bias supply, test pulser, preamplifier, and leakage current monitor. Voltage, leakage current, and vacuum will be monitorable by a computer. Vacuum will also be controlled by a Recoil Suppression control System (Cartesian Diver) and sample planchets will be equipped with a reverse bias capability to prevent recoil contamination. 2. Eight detectors of area 450-500mm2 each. These detectors will be cleanable ion-implanted silicon, and designed for low background. 3. All bias supplies and hardware such that mounting into a 19 inch rack is possible, and such that vacuum connection and a single connection to a PC, or EPA NAREL's existing ORTEC Model 918-DPF Dual Port Fanout, are all that is required for full functionality. Alpha Spectroscopy Analysis System Software - General Requirement: 1. Software must be either PC based, compatible with a Pentium II-266Mhz or better processor using Windows 95 or higher, or VAX/VMS based. 2. Software must be compatible with the following: A. Up to 32 Tennelec TC 256/ORTEC 676 A alpha spectroscopy chambers. A Note: These chambers are NIM rack mounted. Software must be able to provide FULL functionality of these chambers using the current Tennelec/OASIS MX 32 Multiplexer Unit, or 2 ORTEC 920-16 units in conjunction with an ORTEC 918-DPF dual port fanout. Otherwise, the vendor must provide control hardware and software for these units within this purchase. B. An OASIS 8 chamber alpha Spectroscopy system. C. An OASIS CD (Cartesian Diver) 8 chamber alpha Spectroscopy system. B & C Note: Software (MCA) must be able to DIRECTLY control the functions of these units, including but not limited to the REAL-TIME monitoring and controlling of Bias Voltage, leakage current, pulser and vacuum for each chamber. D. There must be an MCA function with independent conversion gain for each chamber or segment. This MCA will be provided with a non-volatile memory for data protection. It must be possible to continue acquisition of data while using the associated PC for unrelated tasks. E. Software must provide QA/QC functions for energy, background, and efficiency checks. F. ROI and peak search/deconvolution techniques must be incorporated. G. Software must have a database and data management system, which allows the operator to load information from an unlimited number of samples for counting and analysis at a later date. H. Software must have an automatic report function, which can be modified into ANY FORMAT needed to be compatible with EPA NAREL's current LIMS system. See also Note N below. I. Software maintenance and software upgrades (minimum of 3 years with an option for extension) MUST be included in the quotation as a separate line item. J. Formal Training for at least one operator MUST be included in the quotation as a separate line item. K. System must be expandable to allow for additional detectors to be added at a later date. L. System must have the capability for either automatic or manual data reduction and analysis. M. System must have the ability to perform complete analysis sequences automatically with a single command. N. Upon completion of analysis, reports and spectra can be generated on paper, or not, at the discretion of the operator, but ALL results (data, spectra, QC, etc.) must be transferred and stored in the database, which can later be archived in some form to keep the database from becoming cumbersome. Also, there must be the capability to automatically print a hard copy of the spectra with associated labeled ROI's. O. The software source code shall either be provided on electronic media, or shall be escrowed (deposited in a commercial vault), with the stipulation that the source code will be released in the event the company defaults or terminates support of the code. P. The software shall be expressly warranted to be fit and suitable for the purpose for which it is provided and that it will operate satisfactorily on the platform and one or more of the operating systems specified above; disclaimers of warranty of fitness for purpose are unacceptable. Optional Features: 1. Software should have the capability to monitor, enter and manipulate sample information/analysis from another PC via a LAN. Note: Actual sample handling, i.e. loading and unloading samples will only be handled from the Alpha Spectroscopy local PC. 2. Display screen should have the ability now or on a future version allow the operator to view multiple spectra at a time on a single screen. See Notes 22 & 23.
- Record
- SN00153961-W 20020831/020829214150 (fbodaily.com)
- Source
-
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