SITE INFORMATION AND CORRESPONDENCE

Home Browse Search

Chronology 26500 Nowell Road, Thornton 01/21/97 Letter sent this date by Fugro West to PHSIEHD, requesting site closure. 02/03/97 PHSIEHD letter response sent this date stating that the request for closure should be submitted in a detailed report as outlined in the Tri- Regional Guidelines, Appendix B. 07/27/97 The last of five groundwater monitoring events which have been performed at this site occurred this date. Analytical results all reported as non-detect. 02/16/98 ENSR, consultant to the RP, sent correspondence to SWRCB Cleanup Fund; petition for case closure review. 09/14/98 SWRCB response to the request for closure review, directing the RP to submit the previously requested closure report to PHSIEHD. 11/13/98 Request For No Further Action report submitted to PHSIEHD by ENSR. 01/06/99 PHSIEHD correspondence sent this date denying closure and requesting completion,of the vertical assessment of soil, the lateral and vertical assessment of water at proper depth and a complete well survey. 04/12/99 SWRCB correspondence to PHSIEHD, notification of reactivation of the petition for closure, request for copy of the complete file and statement of • PHSIEHD position,on potential case closure. 05/04/99 PHSIEHD response and copy of complete site file sent to SWRCB. 12/31/99 PHSIEHD review of Closure Report for adjacent UST site (26200 Galt Road). Former UST locations at these two sites are about 75 feet apart. A monitoring well was installed in the UST area of 26200 Galt Road with a screened interval of 30-40 feet. The groundwater sample on 7119199 from this well was non-detect. Soil samples from a hydropunch boring on 3126198 in the same area as the monitoring well were non-detect for contaminants from 35-56 feet below surface grade. This information and the other site information indicates that the contamination at this site is limited.