***The sole source determination is based on the National Oceanic and Atmospheric Administration's (NOAA) requirement for hygrometers that are physically and electronically compatible and can be used as replacement parts with the hygrometer unit already acquired from Port City instruments which has been fully tested and evaluated by NOAA.

Delivery of the hygrometers is required on or before July 2012.

***This notice of intent is not a request for competitive proposals and no solicitation package is available. However, firms that believe they can provide equipment that fully meets the Government's requirements may submit substantiating documentation in writing to the identified point of contact within 15 days after publication of this synopsis. Such documentation will be evaluated solely for the purpose of determining whether or not to conduct this procurement on a competitive basis. A determination by the Government not to conduct a competitive procurement, based upon responses to this notice, is solely within the discretion of the government. Oral communications are not acceptable in response to this notice.