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I <br /> i . <br /> w. <br /> ALTON GEOSCIEHCB, INC' <br /> GENERAL FIELD PROCEDURES <br /> FOR <br /> SOIL BOREHOLE DRILLING AIM SA14PLING (Cont. ) <br /> If soil/and or ground water contamination is encountered <br /> g will be halted until proper <br /> during drilling, the drillin <br /> notification to responsible parties can be made. <br /> One sample from each sampling interval will be retained for <br /> s is and analyzed for the substances that have <br /> laboratory analys <br /> been historically stored in the underground tanks, as well as <br /> constituents formed by the possible degradation or <br /> transformation of the primary tank 'contents. The samples <br /> will be transported following the proper Chain of Custody <br /> procedures, presented in Appendix G. <br /> Borings that will not be converted into ground water <br /> �• monitoring wells will be sealed from the bottom of the boring <br /> to the ground surface, using neat cement. <br /> r <br />