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Mr. Marshall Cloud <br /> January 16, 2003 <br /> Page 3 <br /> 9. Page 24, section 4.6.3: Please identify in the report the reason why Volatile <br /> Organic Compounds (VOC) were not removed with groundwater treatment plant <br /> (GWTP) #2's VOC stripping capabilities in March 2001, and January, February, <br /> March, and August 2002. <br /> 10 Page 24, section 4.6.3, last sentence: VOCs in GWTP#2's effluent discharged onto <br /> the overland flow plots were not detected in OW010AU due to the intrinsic nature <br /> of the VOCs high-vapor pressure. Assuming the VOC effluent concentrations were <br /> not very high, the VOCs would have simply evaporated rather than percolate down <br /> into the water table. Please state something to this effect in section 4.6.3. <br /> 11. Page 29, section 4.8.1.1, last sentence: Please rephrase "structural failure" of the <br /> berms to the more appropriate "erosion." <br /> If you have any questions regarding this letter, please feel free to contact me at <br /> (916) 255-3713. <br /> Sincerely, <br /> Peter MacNicholl <br /> Remedial Project Manager <br /> Office of Military Facilities <br /> cc: Please see attached distribution list. <br />