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HYD <br /> ENVI MAL <br /> TECH LOOM,INC. <br /> 5.0 SUMMARY OF RESULTS <br /> Beginning in. March of 1993, HETI has worked under contract for Canandaigua <br /> Wine Company for the purpose of conducting a limited investigation of the parcel <br /> of property immediately north of the winery. The following is a summary of results <br /> of this investigation: <br /> According t o PACE Labs di-n-but.1 hthalate is often associated with <br /> • y p <br /> contamination during sample handling. Latex gloves are a common source of <br /> 1� this contaminant. The fact that. the laboratory method blank contained -the <br /> highest concentration of this compound suggests that lab sample handling may <br /> be associated with its presence. A PACE letter to "this effect is included in <br /> Appendix F.. <br /> • Piles of construction debris_are present in several locations on the site. <br /> C i was possible to identify the contents of the piles on the surface, it <br /> Although t p y <br /> was not possible to determine what materials are present in :the interior of the <br /> piles. <br /> C • The 5 ppm OVM reading measured in--the sample collected from MW-4 is <br /> i possibly associated with naturally occuring subsurface gasses (from organic <br /> decomposure, etc.). A '5 ppm reading. is considered to be low on the range of <br /> OVM scales, and is usually not a cause for concern. <br /> • Soil and water samples were collected during the installation of five monitoring <br /> wells at the site. <br /> • Analytical results indicate that di-n-butylphthalate and various metals were the <br /> only compounds present which exceeded the laboratory method detection limits. <br /> • None of the metals were detected in concentrations exceeding regulatory limits <br /> P g P <br /> provided in California Code of Regulations, Title 22, Division 4, Chapter 30, <br /> 7 <br />