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<br />' Following a filtration series of no more than 10 samples, a rinse <br />' blank will be collected from the cleaned apparatus or, if <br />applicable, through an un-used filter cartridge, by running <br />laboratory-provided deionized, distilled water throughout the <br />entire filtering apparatus. Analysis of this rinse blank will be <br />used to validate cleaning procedures. <br />1 4.3 Record Keeping <br />All field data will be recorded in the Field Data Collection <br />Sheets. These data will include: weather conditions volume of <br />water removed from the lysimeter, lysimeter designation or <br />location, the sequence in which the samples were taken, the <br />sampler's name and the condition of the lysimeter. A Field Data <br />Collection Checklist will also be filled out for each Sample site <br />' to demonstrate that appropriate protocols were followed. The <br />Checklist form is shown in Appendix B. <br />A chain of custody will be implemented during sample collection, <br />which will be filed with the laboratory indicating the parameters <br />requested, as well as the collection date of the sampl@s. <br /> Prior to off-site shipment, samples will be inspected as to whether <br /> they are tightly capped, and labeled properly. Sample containers <br /> will be placed into the shipping cooler, surrounded 'by packing <br /> material and ice. Sufficient ice will be added to the cooler to <br />' maintain a temperature of 4°C during transit to the lab, Shipping <br /> containers will be affixed with a security seal. <br />1 <br />1 <br /> <br />1 -30- <br />