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SOP-001 Standard Operating Procedure Field Sample Management Page 3 of 4 Revision No. 0 April 2019 Sharpe Army Depot • Field sampler’s initials; • Date (mm/dd/yy or m/d/yy, i.e., 04/03/18 or 4/3/18 is April 3, 2018); and • Time of sample collection (military format). Custody seals are narrow strips of adhesive paper used to document that no sample tampering has occurred during transport from the time of collection to laboratory receipt. Custody seals will be signed, dated, and attached to all coolers so they tear if the cooler is opened. 3.2.3 Field Logbooks All samples collected will be documented in field logbooks. All field documentation will follow SOP-002, Field Activity Records. 3.2.4 Chain-of-Custody Form Every person involved with sample collection and handling will know and understand the COC form, discussed in detail in SOP-004, Chain-of-Custody. These procedures will be made available to all field personnel. The sample shipper will complete the COC form while preparing the samples for shipment. This individual or other authorized person will sign the “Relinquished By” box prior to sealing a sample shipping container for courier pickup after checking that samples and COC forms match (in other words, only samples identified on the enclosed COC(s) are in the container and all samples enclosed are listed on the COC(s) enclosed). The “Received By” box will be signed by the laboratory sample receipt staff. As long as COC forms are sealed inside the sample shipping container, commercial carriers are not required to sign the COC form. Distribution of the COC form will be: • Original and one copy - sealed in plastic bag and taped inside the top of the shipping container; • One copy - file in appropriate Field Office project file; and • One copy - submit to Data Management staff. All changes to a COC form will be made by striking the incorrect information with a single line, initialing and dating the strike, and inserting the correct information. If changes are made to a COC form after the original distribution, the following steps will be taken: • Make the change by striking the incorrect information with a single line, initialing and dating the strike, and inserting the correct information (in black or blue indelible ink). Add a comment as to why the change was made, as appropriate. • Distribute copies of the corrected COC form as specified above. Whenever a sample is split with a second party (e.g., client, agency) a separate COC form must be prepared for those samples.