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Jim Pinasco July 27, 1994 Page 3 Page A. 14-2 : The last sentence should read "Modified EPA Method 8015" . Page A. 14-4, Section A. 14 . 3 .0.2 : The Waste Extraction Test (WET) needs to be conducted and results compared to the California Soluble Threshold Limit Concentration (STLC) values whenever total results exceed STLC values by a factor of 10. Page A. 14-5, Section A.14 .4.0.1: Soil should not be placed on-site simply because it does not meet hazardous waste criteria. It must meet criteria appropriate for the land use. Figure A-1: The Remedial Investigation Managers are the same as the A-E Project Managers making this organization chart less clear (two layers of managers are depicted when there is actually only one) . orality assurance Proiect Plan Page B. 3-11, Section B. 3 . 6. 1. 3 : The MS/MSD and LCS samples also provide information regarding accuracy (recovery) of the method and should be used for inorganic analyses as well as organic. Page B. 10-1, Section B. 10. 1. 0. 1: This section describes a "system" audit. Will performance samples be submitted which are the core of a "performance" audit? Page B. 10-2, Section B. 10. 1. 0. 2 : If not stated elsewhere, the audits should be appended to the appropriate final or interim project reports. Table B-3 , QC Samples: The numbers for Equipment Rinsate Blanks - Soils appear misaligned and should align with Equipment Rinsate Blanks - Waters. SOP - ASM 3243-009 i -010: Procedures for Carbamate/Urea Pesticides, Modified EPA 632 . Has this procedure been reviewed and accepted by the U.S. Army Corps of Engineers? If you wish HML to review then data from analysis of the same samples by EPA 632 and the modified procedure should be submitted, with QC data, to validate the procedure. BP.ja PINASCOA01/jka16