NC Department of Environment and Natural Resources
Water Quality - Sample Submission Procedures
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Sample Submission Guidance & ProceduresThe NC DWQ Laboratory Section Sample Submission Guidance Document is designed to provide a uniform set of procedures for sample submission to the NC DENR/DWQ Laboratory Section. The protocols outlined in this document are applicable to parties responsible for the collection, handling, field screening, documentation, packaging, shipping and receipt of samples. Efforts to improve current procedures will continue and this document will be revised, as needs dictate. Similar procedures should be followed when submitting samples to the DWQ laboratory located in the Asheville Regional Office. Four factors that may ultimately affect the integrity of reported data include: 1) obtaining a representative sample, 2) preventing contamination of the sample, 3) providing legal documentation of the sampling event, and 4) protecting the sample from chemical, physical or biological change prior to analysis.
Click here to download a printable version of the NC DWQ Laboratory Section's Sample Submission Guidance Document Additional Sample Submission ResourcesTop 10 List of Sample Submission Errors Surface Water Protection Preservation and Hold Time Table Aquifer Protection and UST Preservation and Hold Time Table Field Sheets and Chain of Custody Forms Sample Submittal - Contacts and Notification NEW Time-Sensitive Samples: Submittal Guidance and RestrictionsThe following guidance is provided regarding sample submission for time-sensitive parameters to the Central Laboratory in Raleigh. Submitting Samples for Time-Sensitive Parameters NEW Please check this document and the Sample Submission Restriction Calendars (below) prior to submitting samples for the following parameters:
2013 Sample Submission Restriction Calendars
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