COMPLIANCE INFO - Laserfiche WebLink

Home Browse Search

• �.. logo, samples are taken. Samples will be taken from the top 2 inches of soil and sent to a State approved analytical laboratory for analysis for copper and zinc, on a total basis (TTLC). The samples will be archived to permit additional analyses should this be desired following a review of analytical data. • Confirmation sampling following cleanup of all used sand will include six soil samples from the top 2 inches of soil from those areas previously holding used sand. These will be analyzed for copper and zinc on a total basis (TTLC), and the samples archived as outlined above for the background samples. • Analytical results from background and confirmation samples will be reviewed with the DTSC, and a decision regarding the adequacy of cleanup, or the need for additional soil removal, will be made with input from DTSC. Sampling and analysis of used sand and removed soil, and disposal of all removed material, will be as outlined in the Work Plan. 6.0 Report Preparation Following completion of the cleanup, with concurrence from the DTSC that residual levels of copper and zinc are acceptable, and disposal of all removed material, a Report of Cleanup will be prepared as outlined in the Work Plan and submitted to the DTSC and the San Joaquin County Environmental Health Department(SJCEHD). 7.0 Sandblasting Operation Sandblasting operations will be conducted as outlined in the Work Plan, except that used sand will be stored in a covered bin prior to disposal, at least until sample analyses show this material to be non-hazardous. 8.0 Health and Safety The Health and Safety Plan included in Appendix 3 in the Work Plan is unchanged. 9.0 Remarks and Signatures This addendum incorporates suggestions and remarks from the DTSC on the Work Plan dated 1/26/04. All remarks included in the Work Plan are unchanged. Euvironeering, Inc. Q QROFESS/py 9 P. O. Box 2498 '9 •. �n Danville, CA 94526 t L 3187 By '14�Al G. W. On 3 2 X Date sTTF�F CALIF�� 2