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0 <br /> Il. REQUIREMENTS FOR CONTRACTORS <br /> Activities involving site assessment and well closure require a professional level of <br /> expertise. In addition to knowledge regarding the correct procedures and methods used <br /> in collecting samples, some investigations may require a knowledge of the mechanisms of <br /> contaminant transport; federal, state and local regulations and ordinances relating to <br /> waste management; and actions needed to remediate a contaminated site. <br /> To ensure that the contractor has the qualifications — through a combination of <br /> education and experience — to perform sampling and site assessment requirements, EPA <br /> Region 9 requires that: <br /> 1. The contractor submit an acceptable sampling plan which addresses: <br /> a. types of sampling containers and their preparation <br /> b. sample preservation methods <br /> C. sampling equipment and method of sample retrieval <br /> d. familiarity with specified sampling methods <br /> e. quality assurance/quality control measures <br /> f. certified lab to which samples will be sent <br /> g. chain of custody <br /> 2. The individual signing any report related to a workplan for closure of a well or a <br /> sampling plan must be a registered geologist or professional engineer registered <br /> with the state. This individual shall be responsible for the content, validity and <br /> completeness of the report. All reports related to well closure activities shall <br /> include the following certification: <br /> I certify under penalty of law that this document and all attachments <br /> were prepared under my direction or supervision in accordance with a <br /> system designed to assure that qualified personnel properly gather and <br /> evaluate the information submitted Based on my inquiry of the person <br /> or persons who manage the system, or those persons directly responsible <br /> forgathering the information, I certify that the information submitted <br /> is, to the best of my knowledge and belief, true, accurate, and <br /> complete. I am aware that there are significant penalties for submitting <br /> false information, including the possibility of fine and imprisonment for <br /> browing violations. <br /> 5 <br />