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  • PRODUCTS & SOLUTIONS
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    • Headspace Extraction & Analysis
      • VASE – Vacuum Assisted Sorbent Extraction for Headspace by GC-MS
      • Flash-VASE – For Matrices w/Low Volatility
      • FEVE – Analysis of SVOCs in Aqueous Matrices
      • SPICE – Headspace by Capillary Extraction
      • Thermal Desorption
        • AirDiscoveryTM System
    • Air & Gas Sampling & Handling
      • Air Sampling Canisters
        • Silonite™ Coated Canisters for Volatiles Sampling
        • Silonite™ Coated Minicans for Volatiles Sampling
        • Inert Bottle-Vacs for Economical Volatiles Sampling
      • Time Integrated Sampling
        • VOC Breeze Smart Air Sampler
        • CS1200 Time Integrated Canister Sampling Flow Controller
        • Field Deployable Multi-Canister Time Integrated Sampling System
        • TM1200 Canister Sampling Timer for Individual Canisters
        • Flow Professor: Flow Controller Calibration System
      • Helium Diffusion Sampling
        • HDS Personal Monitors for Workplace Monitoring
        • Large Volume Helium Diffusion Sampling Solutions
      • Soil Gas & Vapor Intrusion Sampling Solutions
      • Ultra-Inert Sampling Valves
        • Micro-QT Quick Connect Valves
        • TrueSeal Valve – Ultra-Inert Volatiles Canister Valve
    • Air Lab Instruments & GC-MS Introduction
      • Preconcentrators & Autosamplers
        • 7200A – Accelerated Volatiles Preconcentrator
        • 7200CTS – Cryogen-Free Volatiles Preconcentrator
        • 7200CTS/7650-M – Million-Air Autosampler & Cryo-Free Preconcentrator
        • 7200A/7650-M – Million-Air Autosampler & Preconcentrator
      • Canister Autosamplers
        • SkyCan
        • 7650-01 Robotic Canister Autosampler
        • 7650-M Robotic Canister Autosampler
        • 7650-L20 Robotic Loop Injection Autosampler
        • 7016D Canister Tower Autosampler
      • Canister Cleaning Systems
        • 3100D Canister Cleaning Systems
      • Gas Standards Preparation
        • 4700 Precision Static Dilution System
    • Silonite Inert Coating Solutions
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  • APPLICATIONS
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      • Environmental Sampling Analysis
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          • Outdoor Air Pollution/Ambient Air
            • Ambient Air Monitoring TO-15/TO-14A
            • Landfill Gas
            • Refinery Gas (Sulfur Gas)
            • Emergency Response
            • Agricultural VOCs from Pesticides
          • Industrial Hygiene/Indoor Air
            • Vapor Intrusion & Sub Slab
            • Indoor Air Quality (IAQ) & Mold
            • Industrial Hygiene
            • Personal Exposure Monitoring
          • Soil & Water Contamination
            • FEVE – Full Evaporate Vacuum Extraction
            • Soil Gas Testing
            • Site Remediation
            • Ground Water / Surface Water Testing
          • Misc.
            • Environmental Forensics – Illegal Dumping
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      • Food & Fragrance
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          • Food & Beverage (Flavor & Aroma) – Most of what is perceived as flavors in foods are actually the aromas and odors that are being detected by our sense of smell. The human nose is far more sensitive to most flavor and odor compounds than are GCMS systems, so proper detection, identification and quantitation of these compounds requires sample enrichment.
          • Fragrance R&D
          • Food Packaging & Safety
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      • Industrial & Manufacturing Applications
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          • Siloxanes & Biogas (Landfill Digesters) – Volatile siloxanes can cause considerable damage to power generation equipment through the build-up of silicon dioxide created from combustion at burners. Siloxanes coat turbine blades and heat exchangers degrading performance and eventually causing failure.
          • Material Emissions & Product Safety – Chemical emissions from plastics, textiles, carpets, building materials, and any other natural or synthetic products all combine to add volatile chemicals to the air in indoor environments.
          • Electronic Manufg/Clean Rooms – Due to their size (.2~3.0 nm), AMCs can pass through ulta-low particulate air filters. AMC’s are of great concern to any sensitive micro-electronics manufacturing process, especially in nano-technology applications.
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      • Homeland Security & Military Applications
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        • Chemical Weapons Detection – Exhaled breath not only contains high concentrations of carbon dioxide and water vapor, but also contains a signature of all chemicals in the blood that have at least some vapor pressure to allow their exchange from the blood into the exhaled breath through the alveoli in the lungs.
        • Weapons Source Investigation – Exhaled breath not only contains high concentrations of carbon dioxide and water vapor, but also contains a signature of all chemicals in the blood that have at least some vapor pressure to allow their exchange from the blood into the exhaled breath through the alveoli in the lungs.
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        • Criminal Investigation
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          • Arson & Crime Investigation – MiniCansTM and Bottle-VacsTM allow accelerant extraction from debris the same day, rather than waiting 24 hours required for classical charcoal strip passive transfer and solvent extraction, with 10 to 100 times greater sensitivity!
          • Drug Lab Detection – MiniCansTM and Bottle-VacsTM allow accelerant extraction from debris the same day, rather than waiting 24 hours required for classical charcoal strip passive transfer and solvent extraction, with 10 to 100 times greater sensitivity!
          • Detection of Drugs of Abuse in Breath – MiniCansTM and Bottle-VacsTM allow accelerant extraction from debris the same day, rather than waiting 24 hours required for classical charcoal strip passive transfer and solvent extraction, with 10 to 100 times greater sensitivity!
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          • Clinical Science
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              • Disease Biomarkers in Breath (Metabolomic VOCs) – Exhaled breath not only contains high concentrations of carbon dioxide and water vapor, but also contains a signature of all chemicals in the blood that have at least some vapor pressure to allow their exchange from the blood into the exhaled breath through the alveoli in the lungs.
              • Disease Biomarkers in Blood, Saliva, Urine (Metabolomic VOCs) – VASE’s unique approach for extracting low volatility chemicals for direct injection into a GCMS is opening new possibilities into the detection of specific disease-related volatile and semi-volatile markers.
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        • Air & Gas Sampling
          • Air Sampling Canisters
          • Air Sampling Hardware & Valves
          • Air Sampling Accessories
          • Application Specific Sampling Solutions
        • Air Lab Sample Prep & GC-MS Introduction
          • Canister Autosamplers
          • Canister Calibration Systems
          • Canister Cleaning
          • Manual Sample Preparation & Extraction Systems
          • Sample & Standards Dilution
          • Sample Preconcentration
          • Sample Transfers
        • Headspace Extraction & Analysis
          • VASE – Vacuum Assisted Sorbent Extraction
        • Micro-QT & Tool-Free Solutions
          • Male Micro-QT to Compression
          • Male Micro-QT to Tube & Misc.
          • Male Micro-QT Bulkhead & Inst Fitting
          • Male Micro-QT Valves for Bottles & Headspace Vials
          • Female Micro-QT to Compression
          • Female Micro-QT to Tube & Misc
          • Female Micro-QT Bulkhead & Inst Fitting
          • Female Micro-Valves for Field Sampling
          • Micro-QT Valve Kits & Gauges
        • Ultra Inert Silonite Coating
          • Treated Tubing
          • High Pressure Valves
          • High Pressure Cylinders
          • Valco Valves
          • Fittings
          • Capillary Injection Liners
        • Calibration Standards (cylinders)
          Entech now provides multiple standard cylinders with no overlapping compounds. Start with the TO-14a Standard, then addon the particular TO-15 compounds required to meet your needs.
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      • ABOUT
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      Air Laboratory Needs Assessment Questionnaire

      Step 1 of 6

      16%

      Contact Details

      Name(Required)
      Address(Required)

      Laboratory Air Analysis Objectives

      1. What are the objectives for your air analysis program?(Required)
      2. What types of samples will you or your customers be collecting?(Required)
      You selected "other" in the previous question. Please specify your sample collection type.
      2b. Indoor Air Sampling Details(Required)
      You previously selecting "indoor air sampling". Please specify the types of indoor environments.

      Target Compounds

      3. Are all of your target compounds included on the VOC HAPs subset list of 97 compounds known to be compatible with EPA Method TO-15 linked below (click link to open list).(Required)
      List of Compatible TO-15 Compounds
      3a. You answered "no" in the previous question. Are all your target compounds included in the complete 189 EPA HAPs list? See link to list below.(Required)
      EPA HAPs LIst
      Please list all your target compounds which are not included in the list of 97 VOCs and your target detection limits (you may copy/paste from excel)
      4. Are you required to do any of these non TO-15 compounds?(Required)
      5. Do any of your target compounds contain sulfur?(Required)

      Sampling Operations

      6. Canisters(Required)

      9. What canister sizes are you considering for low concentration sampling?(Required)

      Time Weighted Average Sampling

      What sampling integration times will your lab support? Time-weighted Average (TWA) sampling is highly recommended for long term exposure assessments. Please indicate how many flow controllers are needed for each integration time.
      No Restriction/Immediate Sampling.
      Sample collects over 15 minutes.
      Sample collects over 1 hour.
      Sample collects over 3 hour.
      Sample collects over 8 hours.
      Sample collects over 12 hours.
      Sample collects over 24 hours.
      Sample collects over 48 hours.
      Sample collects over 1 week.
      Sample collects over 2 weeks.
      Sample collects over 1 month.
      12. Do you need to be able to schedule canister sampling (Start/Stop event) without an operator present?(Required)

      High Concentration Sampling & Analysis (>100ppbv)

      Laboratories which process both high and low concentration samples will segregate their canister inventories so that canisters used for high concentration are never used for low concentration. If you previously selected that your lab will be analyzing soil gas samples, we strongly urge this practice.
      Soil gas, vapor intrusion, sub-slab and some indoor sampling may yield high concentrations.
      Soil gas, vapor intrusion, sub-slab and some indoor sampling may yield high concentrations.
      15. Do you need equipment for collecting sub-slab samples?(Required)
      15a. You answered "yes" to the previous question. Will you need a tracer gas shroud for the sub-slab sampling?
      16. Do you need canister solutions for emergency response situations, such as train detailment, factory fires, or other large chemical release situations?(Required)

      GCMS Platform & Laboratory Infrastructure

      17. Do you already own a GCMS system suitable for TO-15 analysis?(Required)
      17e. You answered "no" to having an existing GCMS. Are you planning to order a system in concert with your TO-15 equipment purchase?
      19. What carrier gas are you intending to use?(Required)
      20. Your Laboratory Electrical Standard(Required)
      Please note that Entech equipment is positioned to the right of the GCMS system.
      Floor space is only needed if utilizing an Entech Tower autosampler.
      23. Is there floor space behind the bench?(Required)

      24. Will you need a computer to control your Entech equipment?

      If you prefer a tower autosampler, this instrument will require floor space near the GCMS.

      Autosampler, Preconcentration, Sample Screening & Loop Options

      25. Are you interested in utilizing a robotic autosampler?(Required)
      26. Are you interested in automated sample screening to prevent contamination from high concentrations?(Required)
      27. Are you open to using the new 2.5L Entech Canister for your low level TO-15 work?(Required)
      The 2.5L canister offers considerable cost savings both for sampling and analysis. We are suggest that all new laboratories implement this new size for low level air work.
      28. What is your anticipated batch size for analysis?(Required)
      29. Please estimate the percentage of samples you'll be analyzing for each concentration.(Required)
      Ambient Air (<4ppbv)
      Indoor Air (<40ppbv)
      Indoor Air (<400ppbv)
      Soil Gas (<4,000ppbv)
      Source Emissions (> 4.000ppbv)
      Emergency Response: Unknown Concentration
       
      30. What types of contaminants or interferences do you anticipate in your samples?(Required)
      31. Preconcentrator Preference(Required)
      31a. You selected that you'd prefer to use a cryogen-free solution. Are you willing to eliminate C2 Hydrocarbons/H2S/Formaldehyde from your list in order to be compatible with the 7200CTS cryogen-free system?(Required)

      Standards Preparation & Canister Cleaning

      32. Do you require a solution to prepare standards?(Required)
      33. Do you currently have a supplier of standards for your target compounds?(Required)
      34. Do you need a solution for cleaning canisters?(Required)
      35. Do you have UHP Nitrogen gas available in your lab?(Required)

      Training , Support, Budget

      36. Do you and your staff require training on TO-15 methodology and instrumentation?(Required)
      37. Do you already have funding established?
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