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Work Plan—Site Sampling Page 9
<br /> West Weber Site-Stockton
<br /> GPE Project 536.2
<br /> Stockton Cold Storage Shop
<br /> A group of authoritatively selected samples will be collected from six points in the vicinity of
<br /> the shop buildings at Stockton Cold Storage. The sample points will be on the south side of
<br /> the existing truck shop and to the west side of the former maintenance shop (see site map).
<br /> These locations are intended to be in the central outdoor area common to both building as
<br /> well as a former"sump"area that was once located here.
<br /> The shallow samples from each point will be collected from a depth of 0 to 1 feet and the
<br /> deeper samples will be from 1 to 2 feet below the surface. The sample pairs will be used to
<br /> gather information regarding the vertical distribution of any contaminants that may be
<br /> identified. The following table provides the expected sample identifiers:
<br /> Sample ID Sample Location Sample Analytes
<br /> ShopSSl-0-1 S of Shop,Point 1,Surface-] Foot S-VOCs,TEPH,CAM-17
<br /> ShopSSl-1-2 S of Shop,Point 1, 1 to 2 Feet S-VOCs,TEPH,CAM-17
<br /> ShopSS2-0-1 S of Shop,Point 2,Surface-1 Foot S-VOCs,TEPH,CAM-]7
<br /> ShopSS2-1-2 S of Shop,Point 2, 1 to 2 Feet S-VOCs,TEPH,CAM-17
<br /> ShopSS3-0-1 S of Shop,Point 3,Surface-1 Foot S-VOCs,TEPH,CAM-17
<br /> ShopSS3-1-2 S of Shop,Point 3, 1 to 2 Feet S-VOCs,TEPH,CAM-17
<br /> ShopSS4-0-1 S of Shop,Point 4,Surface-1 Foot S-VOCs,TEPH,CAM-17
<br /> ShopSS4-1-2 S of Shop,Point 4, 1 to 2 Feet S-VOCs,TEPH,CAM-17
<br /> ShopSS5-0-1 S of Shop,Point 5,Surface-] Foot S-VOCs,TEPH,CAM-17
<br /> ShopSS5-1-2 S of Shop,Point 5, 1 to 2 Feet S-VOCs,TEPH,CAM-17
<br /> ShopSS6-0-1 S of Shop,Point 6,Surface-1 Foot S-VOCs,TEPH,CAM-17
<br /> ShopSS6-1-2 S of Shop,Point 6, 1 to 2 Feet S-VOCs,TEPH,CAM-17
<br /> S-VOC=Semi-Volatile Organic Compounds
<br /> TEPH=Total Extractable Diesel and Oil Range Hydrocarbons
<br /> CAM-17=17 Priority Contaminant Heavy Metals
<br /> Shallow Soil Screening Samples
<br /> Most of the 44-acre site is open land. There is no particular reason to suspect the area is at
<br /> elevated risk to have been impacted by hazardous release(s), however, shallow, screening-
<br /> level samples will be collected at a density of two sample points per acre. A square, half-
<br /> acre, grid pattern has been established over the site (Figure 4) and the lateral (E-W) grid
<br /> spaces will be labeled with letters (A to M) and the vertical grid spaces (N-S) will be labeled
<br /> with numbers (1 to 8). Their respective grid coordinates along with the depth of the sample
<br /> will then identify the various sample points. Sample site that fall on the footprints of existing
<br /> buildings or rail spurs will not be used. Similarly sites that fall within the fill spreading area
<br /> will not be sampled because provisions are described elsewhere to sample this area. With the
<br /> excluded sample sites, a total of 58 screening sample sites (116 total samples) have been
<br /> designated. The following table provides the expected sample identifiers:
<br /> Sample ID Sample Location Sample Analytes
<br /> SCR-EI-0-1 Screen Point El,Surface-1 Foot S-VOCs,TEPH,CAM-17
<br /> SCR-EI-1-2 Screen Point E1, 1 to 2 Feet S-VOCs,TEPH,CAM-17
<br /> SCR-E2-0-1 Screen Point E2,Surface-1 Foot S-VOCs,TEPH,CAM-17
<br /> SCR-E2-1-2 Screen Point E2, 1 to 2 Feet S-VOCs,TEPH,CAM-17
<br /> SCR-E3-0-1 Screen Point E3,Surface-1 Foot S-VOCs,TEPH,CAM-17
<br /> 2937 Veneman Avenue,Suite B240 Geo-Phase Environmental Inc. Phone: (209)569-0293
<br /> Modesto, Ca 95356 Fax: (209)569-0295
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