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t <br /> ' be collected for quality control purposes . Strict <br /> chain-of-custody (COC) protocols will be followed in all phases <br /> ' of sample handling. <br /> All equipment used during this investigation which might come <br /> into contact with contaminated material will be thoroughly <br /> cleaned before and after each use This will be accomplished by <br /> washing with Alconox (a laboratory--grade detergent) and/or <br /> cleaning with high-pressure hot water (steam cleaning) . <br />' After being sealed and labeled, groundwater samples will be <br /> maintained at a temperature of 4°C by using crushed ice during <br /> 1 delivery to the laboratory and prior to analysis by the <br /> laboratory Samples will be analyzed at the laboratory within <br /> specific holding times . <br /> Documentation <br />' o The following information will be entered on the sample <br /> collection data form at the time of sampling• <br /> pro3ect name and number <br /> - sampler' s name <br /> - time and date of sampling <br /> sampling location <br />' - sampling method <br /> - sample number <br /> - sample condition (disturbed/undisturbed) <br /> -- laboratory analyses requested <br /> Each sample will be packaged and transported appropriately, as <br />' described in the following protocol . <br /> o Collect samples in appropriately-sized and prepared <br /> containers <br />' o Properly seal and package sample containers <br />' o Fill out field sample log and COC and analyses request <br /> forms <br /> o Separate and place samples into coolers according to <br /> laboratory destination Samples will be packaged so that <br /> the potential for shipping damage is minimized. <br />' o Chill samples to approximately 4°C. Blue ice or regular <br /> crushed ice used in the coolers will be sealed in a plastic <br /> bag other than the one in which it was purchased. <br /> A-2 <br />