Stack Testing Request
For Proposals RFP / RFQ

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The Active National Directory Of Source Emissions Testing
U.S. EPA Clean Air Excellence Award Recipient
U.S. EPA Clean Air Excellence Award Recipient
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RFP Service
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The Stack Testing RFP / RFQ Service

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  • What is the RFP (Request For Proposal) / RFQ (Request For Quote) Service?
    A unique, comprehensive service to request price quotes for any type of compliance or diagnostic stationary source emissions testing services directly from qualified stack testing firms.

  • Is the RFP / RFQ Service credible? Yes!

    Click Here For EPA Website
    "U.S. EPA Clean Air Excellence Award"
    The RFP / RFQ Service has been
    recognized by the U.S. EPA
    with the Clean Air Excellence Award

    See Visit the EPA Newsroom
    See Our Press Release
  • Who uses the RFP / RFQ Service?
    The RFP Service is used by facility owners, managers, operators and engineers in the U.S. and abroad.
    All industries, anywhere, with any type of stationary emission source/air pollution control system can use the RFP Service for compliance or diagnostic stack testing prices.

  • Is the RFP / RFQ Service private & secure?
    YES., strategically partnered with Thawte®, utilizes the Secure Socket Layer (SSL) authentication and RC4 128 bit encryption technology. SSL encryption is fully enabled to protect the user and their information when this icon appears at the bottom of the browser's screen:
    See our Privacy Policy

  • How do I receive responses to my RFP / RFQ?
    Responses come directly to you from stack testing firms only. does not deliver price quotes.

  • How is my RFP / RFQ processed?
    Stack testing firms have paid an annual fee for access
    to the RFPs submitted through this system. For more info Click Here

  • I have received several price quotes - what next?
    Your RFP will be automatically closed for you in 45 days, but if you are satisfied with the number of responses you've received, close your RFP at anytime:

    Click Here

  • Is it possible to select the firms I want to respond to my RFP / RFQ?
    YES. offers two types of RFP services to obtain competitive bids for stack testing services:


  • No cost to submit RFP/RFQ. This is a free service.
  • No third party. Receive bids directly from stack testing firms.
  • Specify how and when you want to be contacted.
  • Obtain several competitive bids from a single request.
  • See the Stack Testing Firms that can respond to your RFP/RFQ.
  • Choose a firm based on their price quote, capabilities and experience.
  • Close your RFP/RFQ at anytime.
  • Save time and expense.
  • To Submit A FREE RFP/RFQ Click Here


  • All the same benefits as the Free RFP/RFQ service PLUS:
  • Select the Stack Testing Firms that will respond to your RFP.
  • $30 USD to submit (1) RFP
  • To Submit A SELECT RFP Click Here

    "I give your RFP/RFQ bid service an 'A' rating and will use it again. Last year I purchased
    well over $100,000 of testing services and wished I had used your service
    to make my job easier."
    - Bruno A. Ferraro, QEP, CEP President, Grove Scientific & Engineering

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"The Internet's Largest Reference Site For Source Emissions Testing, Services & Products"

U.S. EPA Clean Air Excellence Award Winning Site.
Copyright © 2000  All Rights Reserved. is the largest stack testing reference source on the Internet and the most visited - with thousands of U.S. and international
visitors. The Active National Directory of Source Emissions Testing supports a state-by-state listing of air quality testing firms
located in the US & Canada. Industrial facility owners & managers can submit a FREE RFP and research or "shop" for stack testing
firms prior to requesting bids. Regulatory agencies & consulting engineers recommend this site & maintain contact lists. Stack
testing firms in need of equipment and services, searching for new clients or looking at the competition visit frequently.