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1 <br /> 1 <br /> On May 18, 1992, Testing and Technology initiated the final phase of testing the integrity of <br /> the two USTs (Appendix A, Photo 9) This was completed by driving a total of six soil-gas probes <br /> into soil surrounding the USTs and the associated product delivery pipes and vapor recovery system <br /> ' (Figure 4) Each of these soil-gas probes was evacuated using an electric pump A soil gas sample <br /> was collected after purging using a syringe and a negative pressure container These sample <br /> ' containers were labeled and stored in resealable plastic bags for shipment to Testing and Technology's <br /> laboratory Chain-of-custody forms and shipping information were not provided to PRC in the final <br /> ' report from Testing and Technology Analytical methods are not explained in the Testing and <br /> Technology final report, only results were provided At the time of soil-gas sampling, 0 19 inches of <br /> ' water was measured in tank 817B-1 (Appendix A, Photo 10) <br /> TAWRMU NEW <br /> WOMUYATRI 5114193 11 <br /> 1 <br />