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The water sample is collected, labeled, and handled according to the Quality Assurance Plan Water generated during the monitoring event is disposed of accruing to regulatory accepted method pertaining to the site QUALITY ASSURANCE PLAN General Sample Collection and Handling Procedures Proper collection and handling are essential to ensure the quality of a sample Each sample is collected in a suitable container, preserved correctly for the intended analysis, and stored prior to analysis for no longer than the maximum allowable holding time Details on the procedures for collection and handling of samples used on this project can be found in this section Water Sample Labeling and Preservation Label information includes a unique sample identification number, job identification number, date, and time After labeling all water samples are placed in glass voas and placed in an ice chest cooled to approximately 4° Celsius Upon arriving at Stratus's office the samples are transferred to a locked refrigerator cooled to approximately 4° Celsius Chemical preservation is controlled by the required analysis and is noted on the . chain-of-custody form Upon recovery, the sample container is sealed to minimize the potential of volatilization and cross-contamination prior to chemical analysis Sample Identification and Cham-of-Custody Procedures Sample identification and chain-of-custody procedures document sample possession from the time of collection to ultimate disposal Each sample container submitted for analysis has a label affixed to identify the fob number, sampler, date and time of sample collection, and a sample number unique to that sample This information, in addition to a description of the sample, field measurements made, sampling methodology, names of on-site personnel, and any other pertinent field observations, is recorded in the field records The samples are analyzed by a California-certified laboratory A chain-of-custody form is used to record possession of the sample from time of collection to its arrival at the laboratory When the samples are shipped, the person in custody of them relinquishes the samples by signing the cham-of-custody form and noting the time The sample-control officer at the laboratory verifies sample integrity and confirms that the samples are collected in the proper containers, preserved correctly, and contain adequate volumes for analysis If these conditions are met, each sample is assigned a unique log number for identification throughout analysis and reporting The log number is recorded on the chain-of-custody form and in the legally-required log book maintained by the laboratory in the laboratory The sample description, date received, client's name, and other relevant information is also recorded