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Analysis requested Type of preservative used, or "None" as applicable. Dames & Moore job number Labels will be affixed to sample containers prior to or at the time of sampling. The labels will be filled out at the time of sample collection. The exact sample location and type of sample will be recorded on either the Solid Substance or Liquid Substance Sampling Form. All boxes used for archiving or sample storage will be labeled at the end and top with an indelible marking pen. Box labeling will include the following: • lob Number (e.g., 24436-00I) • Location (e.g., Cazl Junction D.A.) • Matrix (e.g., soil) • Sampling Location (e.g., CC-1) • Depth Interval, if applicable (e.g., 0-6 inches) • Date (e.g., Apri125, 1993) • Disposition (e.g., Archived) Sample Seals Sample seals aze used to detect improper handling of samples following sample collection up to the time of analysis. Items such as gummed paper seals and custody tape will be used for this purpose. Signed and dated seals will be attached so that they must be broken to open either the individual sample containers or shipping containers. Seals will be affixed to containers before the samples leave the custody of the sampling personnel. Sample Transport Samples will be packaged and shipped according to U.S. Department of Transportation and EPA regulations. Samples will be delivered to the laboratory so that the requested analyses can be performed within the specified allowable holding time. Samples will be accompanied by the chain-of-custody record and sample analyte lists. Laboratory supplied chain-of~ustody forms will be used. The analyze lists are prepared by sampling media and are provided in Section 4.0 of the SAP. The analyze lists include the parameters to be analyzed by the laboratory. The chain-of-custody form will indicate which analyze list the sample is to be analyzed for and the total number and type of samples shipped for analysis. Authorized laboratory personnel will acknowledge receipt of shipment by signing and dating the chain-of- custody form and returning a copy to the Dames & Moore Project Manager. The laboratory will also sign and date the air bill accompanying the samples and keep it on file with the sample information.