SITE INFORMATION AND CORRESPONDENCE

Home Browse Search

f Kyle Christie Page 2 to the amount of soil they received. a also requested monitoring wells within 50 feet of a sewer 1ne be re-tested for fecal coliform. In a phone conversation n November 1, 1990, Janice Hubbard, a Brown and Caldwell consulta t, stated these items would be included in the next quarterly rep rt. They were not included in the Quarterly Report dated January 30, 1991. This information should be incorporated into the FRP. The extent of contamination has not been determined to the west of this site. The level of contaminatio detected in monitoring well #3 increased between May 1990, and Oct ber 1990. In Addendum Three (3) to the Problem Assessment Report, it was stated that monitoring wells were not installed to the west of the station due to lack of landowner consent. The placement of a monitoring well in the city sidewalk south of the station to the west of monitoring well #3 should be considered. The chain of custody for the October 1S 90 .water sampling shows that the samples were relinquished to the lab on October 5, 1990, and received by the lab on October 4, 1990. A correction should be addressed and attention to proper completion of forms in the future should be made. Also pH and EC readings are shown on the October Quarterly Report. Temperature readings should also be taken and included in the report. In July, 1987, during drilling of boring #1, a leaded gas product line was damaged. Future groundwater sampling should include testing for total lead and EDB. In the future, please give this office a 48 hour notice prior to sampling or other site activities so ive can observe activities. If you have any questions contact Margaret Lagorio, Senior REHS, at (209) 468-3449. Jogi Khanna, M.D. , M.P.H. HZicer Cotulla, REHS, Program Manager nvironmental Health Division LAC/ML:nr c: CVRWQCB c: Brown and Caldwell 723 "S" Street, Sacramento, CA 9 814