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Create free accountTrade Agreement: NAFTA/AIT/Canada FTAs with Peru/Colombia/Panama Tendering Procedures: Generally only one firm has been invited to bid Attachment: None Non-Competitive Procurement Strategy: Exclusive Rights Comprehensive Land Claim Agreement: No Vendor Name and Address: TSI Incorporated 500 Cardigan Rd Shoreview Minnesota United States 551263996 Nature of Requirements: Water based Scanning Mobility Particle Sizer (SMPS) - TSI Model # 3938L88
K3F51-142395/A Alan Takasaki Supply Specialist Public Works and Government Services Canada Acquisitions Branch Vancouver, 2nd floor, 800 Burrard St Vancouver, BC V6Z 2V8 Telephone: (604)775-7605 Facsimile: (604)775-7526 E-mail address: al.takasaki@pwgsc.gc.ca
The PWGSC Vancouver office provides procurement services to the public in English.
Requirement: Public Works and Government Services Canada (PWGSC) on behalf of Environment Canada (EC) Vancouver, BC will negotiate with TSI Inc., Shoreview MN., USA for the supply and delivery of ONE(1) only, TSI Scanning Mobility Particle Sizer (SMPS), Model # 3938L88, that will be installed in a mobile monitoring trailer
General: EC is currently equipping a mobile air monitoring trailer to study air quality issues within the Pacific Yukon region. The trailer has a wide variety of instruments to measure particles, particle composition, and gases.
The study of particles in the atmosphere is important in a number of ways. Although the total mass of the particle is important, the particle size and composition are also important. The size of a particle can determine how deep in the lungs a particle will penetrate, which may determine the effect of the particle. In addition, particles can act as cloud condensation nuclei and the sizes of the particles are important in climate studies. Studies determining the production of new particles from gases require the measurement for the size distribution of particles.
EC requires a detector for its mobile air monitoring trailer that is capable of determining the size distribution and mass of fine particles. The Scanning Mobility Particle Sizer (SMPS) is a combination of A) electrostatic classifier (DMA) and B) a condensation particle counter (CPC) which when combined can measure the size distribution and the mass of fine aerosols. The CPC and DMA will also be used to calibrate an Aerosol Chemical Speciation Monitor and/or an Aerosol Mass Spectrometer.
This detector will provide important information to atmospheric chemistry process studies in the region.
SMPS System Requirements Scanning Mobility Particle Sizer (SMPS), Model # 3938L88 manufacture and supplied by TSI Inc., is the only known SMPS that meets the following technical mandatory requirements:
1. For compatibility reasons the DMA and CPC must be from the same company
The SMPS can be purchased as a combined system (1 unit) however a combination of the CPC and DMA as separate pieces will allow them to be run individually as well as combined. EC need the SMPS with 2 separate parts (DMA & CPC) since they can be used separately in certain applications. The primary application for separate parts is to calibrate an Aerosol Mass Spectrometer or an Aerosol Chemical Speciation Monitor, both of which may be used in the mobile air monitoring trailer. Although the SMPS needs to be purchased as a separate DMA and CPC the separate units cannot be purchased from separate companies since they need to communicate in order to work as an SPMS.
2. The SMPS must utilize water as the condensing medium.
The mobile air monitoring trailer which will house the SMPS also contains a GCMS/FID to measure volatile organic hydrocarbons (VOC). Most CPCs condense 100% butanol, a VOC, onto the particle in order to count it. Since butanol is volatile, a small leak can contaminate the trailer and outside air which could lead to contamination of the GCMS/FID with butanol which would invalidate data from the GCMS/FID. To eliminate the possibility of contamination by butanol a CPC which utilizes water as the condensing medium is required.
3. The DMA must have a Nano Mobility Analyzer: Within the DMA is a Mobility Analyzer. Some studies will require measurements of very small particles down to ~2 nm so a separate Nano Mobility Analyzer is required in addition to the analyzer which measures from ~10 nm to 1000 nm. Therefore the mobility analyzer should be able to measure both size regions although not necessarily at the same time.
4. The DMA have a aerosol neutralizer The DMA requires an aerosol neutralizer in order to accurately measure the size distribution. There are 2 types of neutralizers. One type utilizes a soft x-ray to neutralize the particles and the other utilizes a Kr-85 radioactive neutralizer. Use of a closed radioactive source within a mobile lab requires special permission whenever the lab is moved. Therefore the Kr-85 radioactive neutralizer cannot be used with this system. Thus the soft-x-ray type of neutralizer is the only possible aerosol neutralizer currently sold.
5. In addition the SMPS System must meet the following mandatory specifications: Scanning Mobility Particle Sizer a) Electrostatic Classifier (DMA) must include: - Differential Mobility Analyzer - classifies particles from (~10 - 1000 nm) - Differential Mobility Analyzer - classifies particles from (
Not stated in the notice: procurement type, procurement method, selection criteria, region of delivery, region of opportunity, expected contract period, end user
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