6L Summa Canisters verses 1L Canisters

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6L Summa Canisters verses 1L Canisters

Question: what is the difference between sampling with a 6L summa canister or using a 1L canister? Answer: it is the only way the laboratory can reach the detection limits that you need “WRONG!” Detection Limits are dependent on the instruments not the size of the canister. This could be true if you needed 500-600ml of sample, but if only 100-200mls of sample is needed…then why would you use a 6L canister? It is just like saying for VOC in water EPA8260 that you need a 500ml sampling jar and yet you only use a 40ml vial. Once the sample gets to the laboratory they only use 5 mls of that portion!

According to EPA Method TO-15 (January 1999), it says “Leak-Free stainless steel pressure vessel of desired volume…”


Across the nation more and more sampling projects (vapor intrusion) are switching over to the 1L canisters due to the no tool ease of use. By using 6L the cost of shipping and labor is almost doubled. Savings found by using 1L canisters can significantly reduce cost for both shipping and labor while improving work flows and limiting time spent on site.

We would appreciate any feedback … Russ

By |2017-04-10T19:18:38+00:00|Indoor Air Quality, Industrial Hygene, LEED, Vapor Intrusion|Comments Off on 6L Summa Canisters verses 1L Canisters

About the Author:

Russ has been doing GC/GMS technology for over 30 years in the environmental, indoor air quality and BioGas industries. He holds a degree in Chemistry and has been working with many government officials such as the EPA, DOH and DOD just to name a few. He started Centek Laboratories back in 2003 with 1 GC/MS system and a hand full of canisters to test for volatile organic compounds (VOC's) utilizing EPA Method TO-15. Over the years he applied this type of chemistry to other industries. Centek Laboratories is not only doing IAQ for LEED certification but also in the vapor intrusion, industrial hygiene, BioGas and product testing fields. Russ has also been published and presented with engineering firms for vapor intrusion for the UMAS conference in Amherst, MA. He has also helped countless LEED consultants with testing and problem solving with specific IAQ issues to run a successful LEED eq. 3.2 programs. Russ has also promoted the laboratory to be everything green with the use of reusable media and minimal paperless programs. Centek Labs Air Quality Testing in Syracuse, New York