ARCHIVED REPORTS XR0001797 - Laserfiche WebLink

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Sample Handling Sample containers were labeled immediately prior to sample colleLnon Samples were kept cool with cold packs until received by the laboratory At the time of sampling, each sample was logged on an ARCO chain-of-custody record that accompanied the sample to the laboratory Sample,, that required overnight storage prior to shipping to the laboratory were kept cool (4"Cel,,ius) in a refrigerator The refrigerator was kept in a warehouse which was locked when not occupied by an EMCON employee A sample/refrigerator log \N a-, kept to record the date and time that samples were placed into and removed from the retrigerator Sarnple,, were transferred from EMCON to an ARCO-approved laboratory by courier or taken directly to the laboratory by the environmental sampler Sample shipment,, trom EMCON to laboratories pertorming the selected analyses routinely occurred A ithin 24 hours of sample collection Sample Documentation The following procedure,, were used during sampling and analysis ro provide chain-of-custody control during sample handling from collection through Storage Sample documentation included the use of the tollowing o Water Sample Field Data Sheets to document sampling activities in the field o Labels to identify individual samples o Chain-of-custody record sheets for documenting possession ana transfer of samples • Laboratory analysis request sheets for documenting analyses to oe pertormed Field Logbook In the field, the sampler recorded the following information on the V� .iter Sample Field Data Sheet (see Figure A-2) for each sample collected • Project number • Client's name • Location • Name of sampler • Date and time • Well accessibilin and integnty • Pertinent well data (e g , casing diameter, • Calculated and actual purge volumes depth to water, well depth) • Purging equipment used • Sampling equipment used