ARCHIVED REPORTS XR0010398 - Laserfiche WebLink

Home Browse Search

s 1. INTRODUCTION Edward P. Smith, CFD PIEDMONT LUMBER 395 Taylor Blvd. , Suite 225 Pleasant Hill, CA 94523 RE: Amended "File Closure" Report 7777 W. Eleventh Street Tracy CA 94576 Site Code 506243 Dear Mr. Smith: John P. Cummings and Associates (JPCA) is pleased to forward to you this Amended File Closure Report for the real property located at 7777 W. Eleventh Street, Tracy CA 94576 . APN 250-140- 11. The Site Code is 506243 . The additional information required, collected, available and reported to JPCA is included in this report. The "SMITH" reports noted in this report have been sent to SJCEHD for their files . The following items are required for "Closure Documentation" a. Distance to production wells for municipal, domestic, agriculture, industry and other uses within 2 , 000 feet of the site. [See Section 4 and Table 1] b. Site maps to scale, of area impacted showing locations of former or existing tank systems, elevation contours, gradients and nearby surface waters, buildings, streets and subsurface utilities. [See Figures 1, 2 , 3, 4 and 5] c . High and low groundwater levels. [See Section 6 and Table 3] d. Tabulated results of all sampling and analyses. [Tables 2 and 3] e. Vertical and lateral concentrations of contaminants found initially and those remaining in soil and groundwater, both on and off site. [Section 7] f. Mass balance calculations of the substance treated versus that remaining. [Section 91 g. Technology used to clean site: if Best Available Technology (BAT) was not used, explain why. [Section 8] h. Zone of influence for the subsurface remediation system and the zone of capture attained for the soil and groundwater remediation system. [Sections 7 and 8 ] i. Reasons why "background" was/is unattainable using BAT. [Not applicable] j . Rational why conditions remaining at the site will not 1