Do samples collected for analysis with a BART tester need to be collected in a container with Thiosulfate?

Document ID

Document ID TE11827

Published Date

Published Date 10/09/2019
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Question
Do samples collected for analysis with a BART tester need to be collected in a container with Thiosulfate?
Summary
Thiosulfate and BART testers.
Answer
The BART testers contain Thiosulfate for dechlorination. So samples that are added to the BART testers immediately after being collected do not need to be collected in containers that have Thiosulfate in them.

One of the benefits of the BART testers are their portability so that samples can be collected and added directly to the BART testers at the sample collection location However, if samples are collected and transported before being added to the BART tester, it would be recommended that the container the samples are collected in has Thiosulfate in it.

Excess Thiosulfate from samples being collected in a container with Thiosulfate before being added to the BART testers which also contain Thiosulfate should not have any negative impact on results.

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