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—"— 11K1 urraava.a.lvlaJ 1.V1 JV11 arauvuautavaa. l%,vL1111t,G11 1_J"11%,LL11 • .✓ %,11LV"11u..1 vaa u110 wrL%, <br /> of using ORC in BIOPILES. Early proof-of-concept work was an in-house study orf <br /> a crude oil contaminated soil. When the contaminated soils were treated with ORC <br /> there was a 7000 ppm greater reduction in TPH after 200 days, relative to the control. <br /> ORC was used in an experiment with Dow Chemical in Midland, MI. The study was <br /> eventually presented in a poster session at the Third International Symposium for In Situ <br /> and On-Site Bioreclamation, April 26, 1995 (The Battelle Conference). The target <br /> problem was 20,000 to 30,000 cubic yards of soil at an oil well field service center. The <br /> contamination consisted of 0.1% to 5% by weight of total petroleum hydrocarbons <br /> (TPH). A sample of the contaminated area was taken and incorporated into an <br /> experiment. The relevant elements of the presentation abstract are as follows: <br /> "Oxygen supplied to soil is often the single most important factor limiting <br /> bioremediation of petroleum containing soils. One approach for increasing the rate of <br /> TPH removal (and decreasing treatment times) is through enhancing the supply of <br /> oxygen to the soil. The introduction of solid oxygen releasing compounds into soil <br /> provides a viable alternative for meeting the oxygen demand of petroleum <br /> contaminated soils." <br /> ORC was demonstrated to CONTROL ODORS -- by the neutralization of reduced <br /> sulfur and nitrogen compounds and the inhibition of their microbial producers. A major <br /> environmental firm, IT Corporation, tested ORC and compared it to nitrates for <br /> hydrogen sulfide control in an industrial effluent lagoon. The results were presented at <br /> the 1993 annual meeting of the American Chemical Society in Atlanta, GA. The full - <br /> details of the study are presented in Technical Bulletin V.1. <br /> REGENESIS ----------------------------------------------------------------------------- <br /> Bioremediation Products 27130A Paseo Espada, Ste 1407, San Juan Capistrano, CA 92675 <br /> Phone: 714-443-3136 Fax: 714-443-3140 <br />