The National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC intends to negotiate on a sole source basis with Photon Technology International, Birmingham, NJ, 08011, pursuant to 41 U.S.C.253(c)(1)-Only one responsible source and no other supplies or service will satisfy agency requirements. This purchase is for QM40 Spectrofluorometer. 1)- (1 each)- QM40 Spectrofluorometer-ultimate in fluorescence/phosphorescence intensity based measurements w/unbeatable sensitivity detection limit of 460 attomolars of fluorescein. Includes: high intensity Green (high efficiency low consumption); 2)- (1 each)-K-204, Second emission channel to systems, includes: a second computer controlled, autocalibrated QuadraScopic monochromator; 3)-S155-C- (1 each)- Time of order substitution: rapid temperature controlled single sample holder, K-155-C for standard sample holder [062-5016].; 4)-K-143-B-(3 each)- Motorized computer controlled Large aperture Glan-Thompson polarizers, with hardware, 2 required for L format, 3 for T format. All configurations allow for automated software control, automatic G; 5)-S-171-(1 each)- Time of order substitution: extended wavelength range PMT185-900 nm (062-8014); 6)-914+PMT- (1 each)-New multi mode PMT housing including PMT with wavelength range from 185 nm to 650 nm; 7)-304P* PMT 185- 900 nm-peak 400 nm [570-0077]. Photon Technology International, is the manufacturer and sole distributor of this instrument. Interested parties may identify their interest and capability. Respond to this requirement by submitting written capabilities/specifications to the Purchasing Agent at the address stated above. This notice of intent is not a request for competitive proposal; however, all responses received within 8 days from the date of publication of this synopsis will be considered by the Government. A determination by the Government not to compete this proposed contract action based upon responses to this notice is solely with the discretion of the Government. Information received will normally be considered for the purpose of determining whether to conduct a competitive procurement. If no affirmative responses are received within 8 days of this notice to determine whether a qualified source is note advantageous to the Government, an order will be placed with Photon Technology International. The NAICS Code /Size is 334516/500M. This procurement is to be processed using Simplified Acquisition Procedures in conjunction with FAR Part, 12, Acquisition of Commercial Items and is not expected to exceed the Simplified Acquisition threshold of $100,000. There is no solicitation package available. For any questions regarding this announcement, please contact Valarie K. Sims via email [email protected].*****