What impact does “Sample received without the sampler cap in place” have on a sample?
To begin sampling, the sampler cap is removed to expose the badge to the air. Once the exposure is complete, the sampler cap should be snapped back onto the badge to stop it from further sampling. If the sampler cap is not put back on the badge, then the badge will continue to monitor the air that it is exposed to, causing a high bias if it is in an area that contains the chemical you were monitoring. If you immediately put the uncapped badge into the return container and/or into a sealed return envelope, then the high bias is likely to be extremely low (insignificant). When a badge is received without its sampler cap, we flag the results to alert the customer that there was a sampling procedure error. If the result seems normal and/or well below limits, it is reasonable to assume that the result was not significantly affected.
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