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I I <br /> 14. <br /> Ji <br /> • , - ., � I I III i .,. , <br /> by,the sampling team. Sample; shipments from EMCON to laboratories <br /> •' " ,,4, performing the selected,..analyses ,routinely occur within 241hours of <br /> sample collection. <br /> Sample Documentation ' <br /> • The following 'procedures will be used' during sampling and analysis to <br /> provide chain-of-custody control during sample handling from collection <br /> I. <br /> through storage. Sample documentation will include the use of the41 <br /> following: I <br />'! • a field logbook to document sampling activities in the field <br /> • labels to identify individual samples <br /> • chain-of-custody record sheets for documenting posses- <br /> sion and transfer of samples <br /> • laboratory analysis request sheets for documenting analy- <br /> ses to be performed <br /> Field Logbook <br />• In .the field, the sampler will record the following information on Water <br /> Sample Field Data Sheet (see Figure B-2) for each sample collected: <br /> • project number <br /> • client's name/station number <br />• <br /> • location <br /> • name of sampler <br /> • date and time <br />• • well accessibility and integrity <br /> . I <br /> • pertinent well data (e.g., casing diameter, depth to water, <br /> well depth) <br /> • calculated and actual purge volumes <br /> • purging equipment used <br /> • sampling equipment used <br />• appearance of each sample (e.g., color, sediment <br /> PRO P91 L028.DOC Rev. 0 February 6, 1992' <br />