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so high that the water table rose into zones of sorbed material known to be on the site, <br /> and in particular under the warehouse building. Normally, these conditions should <br /> be cleaned up where possible, however, in this case the regulators approved the ORC <br /> barrier as the most reasonable economic action to take in order to progress to the next <br /> acceptable level of contaminant control <br /> As can be seen in Figure 3 there was a massive influx of benzene/BTEX <br /> contamination in the upgradient wells outside the treated area. There is about a 50 <br /> fold rise in background conditions, but as measurements are made through the barrier <br /> series, major reductions in benzene and BTEX are noted. <br /> REG E N ES I S ---------------------------------------------------------------------- <br /> Bioremediation Products 27130A Paseo Espada, Ste 1407, San Juan Capistrano; CA 92675 <br /> Phone: 714 443-3136 Fax: 714 443-3140 <br />