At J&L Laboratories, we constantly strive to meet customer demands.  As with all analytical processes, there are best practices for the actual analysis work as well as for proper sampling, preservation, and handling.  Deviating from these instructions can affect that quality of analysis.  In certain cases, we may be forced to reject the sample altogether.  Each test type will have its requirements in plain text format, followed by a quick reference chart that will combine all tests. 

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