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E A-6 • Sample Iabels • Field notebook • Chain-of-custody forms 1.2 Sample Labels Sample labels provide identification of samples. Preprinted sample labels were provided. Where necessary, the label was protected from water and solvents with clean label-protection tape. Each label contained the following information: • Name of collector • Date and time of collection • Place of collection • AMV project number • Sample number • Preservative (if any) 5.1.3Field Notebook Information pertinent to a field survey, measurements, and/or sampling were recorded in a ibound notebook. Entries in the notebook may have included the following: • Name and title of author, date and time of entry, and physical/environmental conditions during field activity. • Location of sampling or measurement activity. • Name(s) and title(s) of field crew. • Type of sampled or measured media (e.g., soil, ground water, air, etc.) • Sample collection or measurement method(s). • Number and volume of sample(s) taken, • Description of sampling point(s). • Description of measuring reference points. • Date and time of collection or measurement. • Sample identification number(s). • Sample preservative (if any). • Sample distribution (e.g., laboratory). • Field observations/comments. • Field measurements data (pH, etc.). 51 4_Chain-of-Custody__Record A chain-of-custody record was filled out for and accompanied every sample and every shipment of samples to the analytical laboratories in order to establish the documentation necessary to . trace sample possession from the time of collection. The record contained the following information: