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lkwh <br /> DAMES & MOORE k <br /> A DAMES&MOORE GROUP COMPANY ' <br /> f <br /> 8801 Folsom Boulevard,Suite 200 <br /> Sacramento,California 95826 <br /> September 24, 1997 916 387 8800 Tel <br /> 916 387 0802 Fax <br /> i <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 East Weber Avenue, Third Floor 1-0 W <br /> Stockton, CA 95202 <br /> Attn.: Mr. Steven Sasson, Senior REHS r� <br /> Re: Former American Forest Products <br /> Company Facility <br /> 2801 N West Lane <br /> Stockton, California <br /> D&M Project No 15884-016-044 <br /> Dear Mr. Sasson: <br /> On behalf of American Forest Products Company (AFPC) and Kirkland & Ellis <br /> (K&E), Dames & Moore has prepared this letter to respond to your comments on our <br /> September 2, 1997, Annual Report for the above referenced facility, as set forth in your <br /> letter dated September 8, 1997. <br /> Your concerns regarding the relationship between the monitoring well screen <br /> intervals and the present groundwater elevation are acknowledged. While it is true that <br /> analytical results may not be representative of the aquifer of concern when monitoring <br /> wells are screened below the groundwater elevation surface, this concern is most <br /> significant when monitoring for floating free product layers which may not be detected if <br /> present at an elevation higher than the top of the monitoring well screen. We do not <br /> believe that this relationship is an issue when monitoring for dissolved products which <br /> are likely to be mixed in solution throughout the entire aquifer thickness. <br /> Since floating free product is not a concern at the AFPC site, and the monitoring <br /> program is tailored toward the detection of dissolved constituents in groundwater, it is not <br /> believed that new, shallower monitoring wells are warranted at this time. However, <br /> Dames& Moore and K&E are willing to entertain a dialogue on this issue should the <br /> present groundwater elevations remain prevalent at the site throughout the coarse of the <br /> post remedial monitoring program. <br /> Please accept our apology for the failure to notify you of the July 11, 1997 <br /> monitoring, which was an inadvertent oversight by Dames & Moore. For all future <br /> monitoring events, Dames & Moore will comply with your request to be notified with 48 <br /> Offices Worldwide <br />