91.20—Shipping.
(a)
Samples must be submitted to the laboratory in a condition (including temperature) that does not compromise the quality and validity of analytical results.
(c)
Containers for perishable refrigerated samples should contain ice or ice packs to maintain temperatures of 0° to 5 °C, unless a different temperature is required for the sample to be tested.
(d)
Containers for frozen samples should contain dry ice or other effective methods of maintaining samples in a frozen state.
(e)
The applicant is responsible for providing shipping containers and paying shipping costs for fee basis tests.