Sample retention period at OTM

After testing, a test sample is retained by the lab for a certain period. The following sample retention periods are implemented at OTM:

Sample typeSize rangeRetention period
Small samplesSmaller than 10 cm × 10 cm × 3 cm3 years
Large samplesLarger than 10 cm × 10 cm × 3 cm
Smaller than 30 cm × 30 cm × 5 cm
1 year
Oversize samplesLarger than 30 cm × 30 cm × 5 cm3 months

At the end of the retention period, the sample will be disposed of by the lab. The lab may further retain some samples for internal quality control purposes.

Upon the customer’s request (indicated in the test request form or in writing), a test sample can be returned to the customer.

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