Laboratory numbers are assigned to the sample submission form and the data sheet. The lab numbers are written on the sample bags and bottles with a sharpie. The first digit of the lab number is 3. The next two digits are the month. The last four digits are the sample number for the year.
Special training is required for the handling of animal waste samples.
Weigh the other sub-sample and record the wet weight. Open this bag and place in the oven to dry at 80oC. Record dry weight. Grind for other analyses. Check analyses desired on data sheet. For lagoon samples, record tare weight of 150 mL beaker.