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C~ <br />3.0 Quality Assurance/Quality Control Data <br />Data presented in this section includes results of duplicates, rinsate samples, <br />and water blanks collected in association with the groundwater monitoring during <br />the reporting period. Equipment used during sample collection in July required <br />rinse samples from the bailer used for sample collection. ' In the remaining three <br />months of the report period, all wells were equipped with dedicated nitrogen gas <br />displacement pumps. Dedicated, disposable, glass fiber, 0.45-µM filters were <br />used to filter all dissolved constituents each month. <br />A number of observations are typically recorded during sample collection. A <br />sampling form was developed to record all of these observations. An example of <br />this form is included in this section. Sample sets were tested for pH and kept on <br />• ice from the time of collection. Proper chain-of-custody forms accompanied each <br />sample set. Samples were hand delivered to the laboratory within the holding <br />time for all constituents. Included in this section is also an example form used to <br />request specific analysis from the laboratory that also contains chain-of-custody <br />information. <br /> <br />