Process for Tracer Gas Testing

Process for Tracer Gas Certification
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What is the process for tracer gas testing? Often we find it is beneficial for our clients to have an overview of the whole process so that they can budget and plan for upcoming testing, certification and approvals.  This makes sense given that there are many phases and steps when taking a product to market.  In our video today, you will find the information you will need to have on hand when requesting a quote for tracer gas testing, the options to consider for testing locations, the timing you can expect for the quoting process and the steps that are involved with typical tracer gas testing projects.

Link to video also available here:

What You can Expect From the video and Blog

What are your goals for Tracer Gas Testing

First off, you need to know what your goals are for tracer gas testing. What we are validating and testing to prove through tracer gas testing is that the enclosures, the exhaust, the design, the flow rates and everything else can contain and capture exhaust, chemicals, and vapors and gas to outside the workspace. And do it in such a way that we prevent anyone from being exposed to toxic chemicals and prevent fire or explosion in the equipment or workspace.

Process For Tracer Gas Testing

Step one to get started is to contact us here at HTDS.   We will set up a call and sort out what needs to be done and how to do it based on your specific equipment goals. During that call, we will send you an NDA, a scope document and a request for services document.

Also, during the call, we will review the details of the system to get us up to speed. It would be great to see a mechanical drawing of the enclosures and process areas. We would need to understand if there’s any heaters, what the exhaust flow rates are, if there are any fire systems or safety interlocks. And most important is a full chemical list with all the liquids and gases identified, so that we can identify what the toxicity or flammability of those materials would be.  All of this ensures that we are aligned with your system, the needs, and the scope.

Options for Tracer Gas Testing

At the same time, on the call, we will decide whether it’s best for you to send equipment to us, which is faster and less cost or whether we come to you, which is important for large complex systems. Additionally, we can also discuss on the call best practices and design to get your desired outcome easier the first time and whether you need any add-on services, like CFD or simulations, design reviews, and more like that.  Please note that you will need to have the equipment fully completed and have on-site exhaust ducts to test.

How long Does it take to get a Quote for Tracer Gas Testing

Once we understand all that is involved with your specific equipment, we can send you a quote. That quote process normally takes about a day, typically less. Once you get the quote, review it and we can have another call if needed to answer additional questions or for further clarification on the quote.  

Then send us a Purchase Order.  This will get us going on your project.

Beginning Steps in the Process

Next, you will send us all the documents we discussed earlier in the initial quoting process.  Once this is in order, then we will have a kickoff meeting to further complete alignment on your system, timeline, availability of equipment whether shipped or for on-site testing. And further complete any additional needs.

Then, we will be working in the background creating your tracer gas test plan, so we know exactly what will happen.  You will get a copy of that test plan and be able to review it, make changes and additions if needed and adjust the scope of your project if it is needed. Maybe you need some more things done or tested or you have a second model or an extra chamber that wasn’t comprehended earlier.

Next in the background, we will review the chemical list to ensure we know which chemicals to test for, their flow rates and their lower explosive limits and occupational exposure limits. Then we will be prepping the equipment to come on out and do it there or we will be clearing a space here in the lab for your equipment to come in.

Process for Tracer Gas Testing

Once we have the equipment in front of us, we will set up our test equipment and the gas bottle you provide.  We will compare the test plan to the system and meet with you to make sure that it is right. Then we will start testing.  Testing normally takes one to 2 days. Sometimes a little longer but that’s unusual. That is a really big system.

We will provide a detail of the findings each day and we will support any equipment modifications that your team needs to make for the system to pass.  This is things like changing louvers or closing louvers or if someone needs take a door off to a shop and cut some holes in it to allow more airflow.  Then we will help you understand those needs.

To finish up, we will complete the testing and do a full debriefing of where we are, what we found, and what’s been developed.  Once that debriefing is complete and everybody knows that the testing has been done and that we achieved what we could, we will pack up our equipment.

Final Steps of the Process for Tracer Gas Testing

Next the report will be completed.  It will be reviewed internally and then sent to you for review.  When you get the review back to us, we will go ahead make any changes you see. And if the report is good, then we will release it to you.  Your tracer gas testing is done.


1. Contact us at High Tech Design Safety, LLC.

2. If you require a Non-Disclosure Agreement, send it over to us.

3. During an initial call, we will explore the details of your product.

4. Develop a scope with outline of testing and determine how/where the equipment will be evaluated.

5. Get a quote for the evaluation and testing. 

6.  Send us a Purchase Order and Documentation.

7. Kickoff Meeting.

8.  Create and approve a Test Plan.

9.  Arrange and perform equipment/product evaluation (remote or on-site depending on your product requirements.

10. Final Report.

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