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ENVIRONMENTAL HEALTH DEPARTMENT
<br />LAURA ANDREW
<br />SARA LEE BAKERY GROUP
<br />8400 MARYLAND AVENUE
<br />ST LOUIS MO .63105-3668
<br />RE: The Earthgrains Company Facility Site Code: 19093
<br />2651 South Airport Way RO: 0431
<br />Stockton, California, 95206
<br />WORKPLAN: Subsurface Investigation Work Plan
<br />DATED: February 20, 2004
<br />PREPARED BY: Kleinfelder
<br />STATUS: APPROVED with conditions noted below:
<br />ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN [Health &
<br />Safety Code (H&S) Section 25296.10(c)(3)1:
<br />• Advancement of seven cone penetrometer testing (CPT) borings
<br />to characterize the lithology and assess the vertical extent
<br />of impacted soil; six of the CPT borings, including an
<br />additional borehole located adjacent to the sump as discussed
<br />between Mark Milward at Philip Services Corporation (PSC) and
<br />Vicki McCartney at San Joaquin County Environmental Health
<br />Department (EHD) on May 28, 2004,.will be advanced to
<br />approximately 35 feet below ground surface (bgs); one CPT
<br />boring, located near the former underground storage tanks,
<br />will be advanced to approximately 100 feet bgs to characterize
<br />hydrogeology, lithology, and model potential contaminant
<br />migration pathways. (Borehole, B-3, will be advanced at its
<br />originally proposed location.)
<br />• Collection of five soil samples at depths of 15, 20, 25, 30,
<br />and 35 feet bgs in borings B-1, B-3, B-4, B-5, B-6, and B-7.
<br />• Collection of five soil samples at depths of 10, 15, 20, 30,
<br />and 35 feet bgs in boring B-2.
<br />SAN JOAQUIN COUNTY
<br />Unit Supervisors
<br />Q
<br />Donna K. Heran, R.E.H.S.
<br />304 East Weber Avenue, Third Floor
<br />Carl Bergman, R.E.H.S.
<br />• 119C]
<br />Director
<br />Al Olsen, R.E.H.S.
<br />e:
<br />Stockton, California 95202-2708
<br />Mike Huggins, R.E.H.S., R.D.I.
<br />Douglas W. Wilson, R.E.H.S.
<br />cq.-� ".:. P..
<br />Program Manager
<br />Telephone: (209) 468-3420
<br />Margaret Lagorio, R.E.H.S.
<br />ricoaN
<br />Laurie A. Cotulla,R.E.H.S.
<br />Fax: (209) 464-0138
<br />Robert McClellon,. R.E.H.S.
<br />Program Manager
<br />Mark Barrettes, R.E.H.S.
<br />LAURA ANDREW
<br />SARA LEE BAKERY GROUP
<br />8400 MARYLAND AVENUE
<br />ST LOUIS MO .63105-3668
<br />RE: The Earthgrains Company Facility Site Code: 19093
<br />2651 South Airport Way RO: 0431
<br />Stockton, California, 95206
<br />WORKPLAN: Subsurface Investigation Work Plan
<br />DATED: February 20, 2004
<br />PREPARED BY: Kleinfelder
<br />STATUS: APPROVED with conditions noted below:
<br />ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN [Health &
<br />Safety Code (H&S) Section 25296.10(c)(3)1:
<br />• Advancement of seven cone penetrometer testing (CPT) borings
<br />to characterize the lithology and assess the vertical extent
<br />of impacted soil; six of the CPT borings, including an
<br />additional borehole located adjacent to the sump as discussed
<br />between Mark Milward at Philip Services Corporation (PSC) and
<br />Vicki McCartney at San Joaquin County Environmental Health
<br />Department (EHD) on May 28, 2004,.will be advanced to
<br />approximately 35 feet below ground surface (bgs); one CPT
<br />boring, located near the former underground storage tanks,
<br />will be advanced to approximately 100 feet bgs to characterize
<br />hydrogeology, lithology, and model potential contaminant
<br />migration pathways. (Borehole, B-3, will be advanced at its
<br />originally proposed location.)
<br />• Collection of five soil samples at depths of 15, 20, 25, 30,
<br />and 35 feet bgs in borings B-1, B-3, B-4, B-5, B-6, and B-7.
<br />• Collection of five soil samples at depths of 10, 15, 20, 30,
<br />and 35 feet bgs in boring B-2.
<br />
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