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August 22, 2007 7863 Drew Circle, Unit 5 Fort Myers, Florida 33967 Office: (239) 337-9781 Fax: (239) 337-9783 www.williamsearthsciences.com Ms. Teresa N. Puckett, P.E. District One Geotechnical Engineer Florida Department of Transportation District One 2730 SR 60 West, P.O. Box 1249 Bartow, Florida 33831-1249 Reference: Districtwide Geotechnical Services Contract FPN: 198296-1-32-07, Contract. C-8E03 Task Work Order. 14 Dear Ms. Puckett: Report for PD&E Geotechnical Exploration - Revised SR 82 from Lee Boulevard to SR 29 FPID. 419950-1 and 419950-2-22-01 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Williams Earth Sciences, Inc. (Williams) is pleased to present this report with the results for our Geotechnical Engineering services at the above referenced project. This work is the Task Assignment #14, under our current Districtwide Contract Number C-8E03 and it is related to the PD&E Geotechnical Exploration for SR 82 from Lee Boulevard to SR 29, with Financial Project ID (FPID) 419950-1 and 419950-2-22-01. In accordance with Attachment A, the project consisted of performing 122 hand augers in the existing roadway embankment along the 23 miles of SR 82 from Lee Boulevard to SR 29. Topographic plans for SR 82, including stationing, were provided by Mr. David Dangel via email dated June 19, 2007. This geotechnical report contains a discussion of the soil and groundwater conditions encountered at the site, results of laboratory testing, a Report of Borings, and a Roadway Soil Survey. Williams appreciates the opportunity to provide these services to the Florida Department of Transportation. If you have any questions regarding the data supplied please feel free to contact either of the undersigned at your earliest convenience. Sincerely,, Ivan F. Sokolic, P.E. Brian W. Jory, P.E. Geotechnical Engineer Senior Geotechnical Engineer Florida Registration. 64114 Florida Registration. 46634 Distribution: Terry Puckett (1) File (1) J:\PROP-PROJ\FORT MYERS\07\5307 ENG\1305-503-14 SR 82 SHWTs\Report 1305-503-14\SR 82 PD&E Soil Exploration 1305-503-14 - Revised.doc Geotechnical Engineering Materials Testing and Inspection Foundation Studies Technical Training Fort Myers, Florida Fort Lauderdale, Florida Jacksonville, Florida Largo, Florida Orlando, Florida Panama City, Florida

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page i Table of Contents 1.0 INTRODUCTION...1 1.1 Purpose and Scope of Work...1 1.2 Site Location...1 2.0 SUBSURFACE EXPLORATION...2 2.1 Field Exploration...2 2.2 Laboratory Testing...5 3.0 SUBSURFACE CONDITIONS...7 3.1 Field Exploration and Site Conditions...7 3.2 Review of the Lee, Hendry, and Collier USDA Soil Surveys...7 3.3 Subsurface Conditions...10 3.4...11 3.5 Seasonal High Water Table (SHWT)...11 3.6 Saturated Hydraulic Conductivity (Ksat)...12 4.0 EVALUATIONS AND CONCLUSIONS...13 4.1 Roadway Soil Survey...13 4.2 Proposed Roadway Construction...13 5.0 LIMITATIONS...14 List of Tables Table 2-1 Hand Designations, Locations, Drilled Depths, and Boring s...2 Table 2-2 Summary of Laboratory Tests...6 Table 3-1 Soil Map Unit Properties in Lee County...8 Table 3-2 Soil Map Unit Properties in Hendry County...8 Table 3-3 Soil Map Unit Properties in Collier County...9 Table 3-4 Typical Soil Profiles for Soil Map Units in Lee County...9 Table 3-5 Typical Soil Profiles for Soil Map Units in Hendry County...10 Table 3-6 Typical Soil Profiles for Soil Map Units in Collier County...10 Site Location Map SCS Soil Conservation Service Map Boring Logs Report of Borings Roadway Soil Survey Summary of Laboratory Testing Grain Size Analysis Curves Appendix

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 1 1.0 INTRODUCTION 1.1 Purpose and Scope of Work The purpose of this geotechnical exploration was to obtain information about the site and general subsurface conditions including estimates of the Seasonal High Water Table (SHWT) for the Project Development and Environmental (PD&E) study for SR 82 from Lee Boulevard to SR 29, in Lee, Hendry, and Collier counties, Florida. The proposed scope of services includes performing auger borings at both sides of the existing roadway along the entire 23 miles of the project. The borings were located at intervals of 1000 feet along the alignment, alternating left and right of roadway, and advanced to an average depth of 5 feet below the existing ground surface. The seasonal high water table (SHWT) was estimated at each location using a combination of published data (USDA Soil Conservation Survey) and field indicators such as soil type and color, stain lines, vegetation, etc. The existing groundwater depth, when encountered, was also recorded at each location. For soil classification, an average of one grain size analysis was performed per strata per mile. Other laboratory testing, to assist with the soil classification, has been also performed. In accordance with Attachment A, the project consisted of performing 122 hand augers in the existing roadway embankment along the 23 miles of SR 82 from Lee Boulevard to SR 29 in Lee, Hendry, and Collier counties, Florida. This geotechnical report contains a brief description of the field procedures performed for this study, a discussion of the soil and groundwater conditions encountered at the site, results of laboratory testing, a Report of Borings, and a Roadway Soil Survey. The geotechnical engineering and testing services performed for this study were conducted in general accordance with the scope of services outlined in Williams Proposal dated June 20, 2007. 1.2 Site Location The project site starts at the intersection of SR 82 and Lee Boulevard (CR 884) in Lee County and extends along 23 miles of SR 82 until its end at SR 29 in Collier County. SR 82 is a rural minor arterial highway and it has one typical roadway cross-section within the limits of the project. The typical section consists of a two-lane undivided roadway with lawn and paved shoulders. A Site Location map is included in the Appendix.

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 2 2.0 SUBSURFACE EXPLORATION 2.1 Field Exploration One hundred and twenty-two hand auger borings were performed at the site for this report. The auger borings were performed every 1000 feet along the alignment, alternating left and right of roadway, and advanced to an average depth of 5 feet below the existing ground surface. The test borings were located in the field by a representative from Williams using existing features at the site and by measuring distances using a wheel measure. The hand augers were advanced to depths ranging from 2 to 8 feet below the existing ground surface. The boring designations, locations, depths, and dates when they were performed are shown in Table 2-1. The logs of the borings are provided in the Appendix. Table 2-1 Hand Designations, Locations, Drilled Depths, and Boring s Hand Approx. Approx. Depth (ft) (ft) (ft) HA-01 Sta. 365+00 60.0 RT 1.0 7/5/07 HA-02 Sta. 375+00 24.5 LT 3.0 7/6/07 HA-03 Sta. 385+00 15.5 RT 5.0 7/5/07 HA-04 Sta. 395+00 39.1 LT 3.0 7/6/07 HA-05 Sta. 405+00 18.3 RT 5.0 7/5/07 HA-06 Sta. 415+00 22 LT 3.5 7/6/07 HA-07 Sta. 425+00 14.5 RT 5.5 7/5/07 HA-08 Sta. 435+00 14.9 LT 4.0 7/6/07 HA-09 Sta. 445+00 21.2 RT 3.0 7/5/07 HA-10 Sta. 455+00 24.7 LT 4.0 7/6/07 HA-11 Sta. 465+00 13.5 RT 5.5 7/5/07 HA-12 Sta. 475+00 24.3 LT 5.0 7/6/07 HA-13 Sta. 485+00 17.3 RT 5.5 7/5/07 HA-14 Sta. 495+00 24 LT 2.0 7/6/07 HA-15 Sta. 505+00 14.6 RT 2.0 7/5/07 HA-16 Sta. 515+00 25.3 LT 4.0 7/6/07 HA-17 Sta. 525+00 33.3 RT 5.0 7/5/07 HA-18 Sta. 535+00 20.5 LT 3.5 7/6/07 HA-19 Sta. 345+00 32.1 RT 5.0 7/6/07 HA-20 Sta. 555+00 23 LT 5.0 7/6/07 HA-21 Sta. 565+00 23.2 RT 5.0 7/6/07 HA-22 Sta. 575+00 17.4 LT 6.0 7/6/07 HA-23 Sta. 589+40 19.8 RT 6.0 7/2/07 HA-24 Sta. 595+00 36 LT 3.0 7/6/07 HA-25 Sta. 605+00 18.9 RT 7.6 7/2/07 HA-26 Sta. 615+00 18.3 LT 4.0 7/5/07

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 3 Hand Approx. Approx. * Drilled Depth (ft) (ft) (ft) HA-27 Sta. 625+00 11 RT 3.3 7/2/07 HA-28 Sta. 635+00 13.3 LT 6.0 7/5/07 HA-29 Sta. 645+00 12.6 RT 6.0 7/2/07 HA-30 Sta. 655+00 19.7 LT 6.0 7/5/07 HA-31 Sta. 665+00 11.8 RT 6.0 7/2/07 HA-32 Sta. 675+00 14.4 LT 6.0 7/5/07 HA-33 Sta. 685+00 12.8 RT 6.0 7/2/07 HA-34 Sta. 695+00 13.4 LT 5.0 7/5/07 HA-35 Sta. 705+00 12.2 RT 6.0 7/2/07 HA-36 Sta. 715+00 17.7 LT 7.0 7/5/07 HA-37 Sta. 725+00 10.1 RT 6.0 7/2/07 HA-38 Sta. 735+00 11.8 LT 6.0 7/5/07 HA-39 Sta. 745+00 11.8 RT 6.0 7/2/07 HA-40 Sta. 755+00 16.3 LT 7.0 7/2/07 HA-41 Sta. 765+00 13.2 RT 6.0 7/2/07 HA-42 Sta. 775+00 17.5 LT 5.0 7/5/07 HA-43 Sta. 785+00 9.5 RT 6.0 7/2/07 HA-44 Sta. 795+00 18 LT 6.0 7/5/07 HA-45 Sta. 805+00 10.8 RT 6.0 7/2/07 HA-46 Sta. 815+00 13.7 LT 6.0 7/5/07 HA-47 Sta. 825+00 11.8 RT 6.0 7/2/07 HA-48 Sta. 835+00 15 LT 6.0 7/5/07 HA-49 Sta. 845+00 8.5 RT 6.0 7/2/07 HA-50 Sta. 855+00 22.2 LT 4.0 7/6/07 HA-51 Sta. 865+00 12.5 RT 6.0 7/2/07 HA-52 Sta. 875+00 18 LT 6.0 7/5/07 HA-53 Sta. 885+00 29.8 RT 5.0 7/2/07 HA-54 Sta. 895+00 10 LT 6.0 6/29/07 HA-55 Sta. 905+00 13.2 RT 6.0 7/2/07 HA-56 Sta. 915+00 18 LT 6.0 6/29/07 HA-57 Sta. 925+00 17.4 RT 6.0 7/2/07 HA-58 Sta. 935+00 10 LT 7.5 6/29/07 HA-59 Sta. 945+00 20.6 RT 6.0 7/2/07 HA-60 Sta. 955+00 10 LT 7.0 6/29/07 HA-61 Sta. 965+00 17.3 RT 6.0 7/2/07 HA- 62 Sta. 973+00 10 LT 8.3 6/28/07 HA-63 Sta. 985+00 13.8 RT 5.0 7/3/07 HA-64 Sta. 995+00 14 LT 8.0 6/28/07 HA-65 Sta. 1005+00 11.3 RT 6.0 7/3/07 HA-66 Sta. 1015+00 10 LT 6.7 6/28/07 HA-67 Sta. 1025+00 7.9 RT 6.0 7/3/07 HA-68 Sta. 1035+00 10 LT 6.0 6/28/07 HA-69 Sta. 1045+00 9 RT 6.0 7/3/07 HA-70 Sta. 1055+00 21 LT 6.5 7/5/07

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 4 Hand Approx. Approx. * Drilled Depth (ft) (ft) (ft) HA-71 Sta. 1065+00 12.7 RT 6.0 7/3/07 HA-72 Sta. 1075+00 10 LT 7.0 6/28/07 HA-73 Sta. 1085+00 30 RT 6.0 7/3/07 HA-74 Sta. 1095+00 14 LT 4.5 7/5/07 HA-75 Sta. 1105+00 8.3 RT 6.0 7/3/07 HA-76 Sta. 1115+00 16.4 LT 6.0 7/5/07 HA-77 Sta. 1125+00 7.2 RT 6.0 7/3/07 HA-78 Sta. 1135+00 18 LT 3.0 7/5/07 HA-79 Sta. 1145+00 10 RT 6.0 7/3/07 HA-80 Sta. 1155+00 15 LT 5.0 7/5/07 HA- 81 Sta. 1165+00 14.6 RT 6.0 7/3/07 HA-82 Sta. 1175+00 13.6 LT 6.0 7/5/07 HA-83 Sta. 1185+00 9.3 RT 6.0 7/3/07 HA-84 Sta. 1195+00 14.8 LT 5.0 7/3/07 HA-85 Sta. 1205+00 9.6 RT 6.0 7/3/07 HA-86 Sta. 1215+00 13.1 LT 5.0 7/3/07 HA-87 Sta. 1225+00 11.9 RT 4.5 7/3/07 HA-88 Sta. 1235+00 15.2 LT 5.0 7/3/07 HA-89 Sta. 1245+00 16.5 RT 2.5 7/3/07 HA-90 Sta. 1255+00 15.8 LT 5.0 7/3/07 HA-91 Sta. 1265+00 8 RT 2.0 7/3/07 HA-92 Sta. 1275+00 14.6 LT 5.0 7/3/07 HA-93 Sta. 1285+00 8.3 RT 5.0 7/3/07 HA-94 Sta. 1295+00 14.3 LT 5.0 7/3/07 HA-95 Sta. 1305+00 7.4 RT 1.8 7/3/07 HA-96 Sta. 1315+00 12.3 LT 5.0 7/3/07 HA-97 Sta. 1325+00 19.9 RT 2.0 7/3/07 HA-98 Sta. 1335+00 12.4 LT 5.0 7/3/07 HA-99 Sta. 1345+00 15 RT 5.0 7/3/07 HA-100 Sta. 1355+00 9.3 LT 6.0 7/3/07 HA-101 Sta. 1365+00 14.7 RT 2.0 7/5/07 HA-102 Sta. 1375+00 10.3 LT 5.0 7/3/07 HA-103 Sta. 1385+00 12.8 RT 2.5 7/5/07 HA-104 Sta. 1395+00 12 LT 6.0 7/3/07 HA-105 Sta. 1405+00 14 RT 5.5 7/5/07 HA-106 Sta. 1415+00 10.2 LT 6.0 7/3/07 HA-107 Sta. 1425+00 21.4 RT 5.5 7/5/07 HA-108 Sta. 1435+00 11.2 LT 7.0 7/3/07 HA-109 Sta. 1445+00 13.3 RT 6.0 7/5/07 HA-110 Sta. 1455+00 18.7 LT 6.0 7/3/07 HA-111 Sta. 1465+00 17.1 RT 5.0 7/5/07 HA-112 Sta. 1475+00 10.8 LT 6.0 7/3/07 HA-113 Sta. 1485+00 20 RT 3.0 7/5/07 HA-114 Sta. 1495+00 8.8 LT 5.0 7/3/07

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 5 Hand Approx. Approx. * Drilled Depth (ft) (ft) (ft) HA-115 Sta. 1505+00 7.4 RT 4.0 7/5/07 HA-116 Sta. 1515+00 8.8 LT 3.0 7/3/07 HA-117 Sta. 1525+00 13 RT 2.0 7/5/07 HA-118 Sta. 1535+00 8 LT 4.0 7/3/07 HA-119 Sta. 1545+00 9 RT 1.0 7/5/07 HA-120 Sta. 1555+00 7.6 LT 4.0 7/3/07 HA-121 Sta. 1565+00 15.5 RT 2.0 7/5/07 HA-122 Sta. 1575+00 7.8 LT 6.0 7/3/07 Hand auger borings consist of manually advancing an auger-bucket into the ground in a corkscrew type fashion to an average depth of 5 feet. Soil samples were recovered for soil classification and potential laboratory testing. Each boring was logged in the field by the drill crew chief. measurements were taken at the time of completing each auger boring. All boreholes were backfilled prior to our crew leaving the site. The stratification lines and depth designations on the auger boring records represent the approximate boundaries between soil types. The auger boring logs are included in the Appendix. 2.2 Laboratory Testing The samples were classified in accordance with AASHTO. This classification system is covered in AASHTO Standard. M 145-91 (1995) and consists of a symbol and a group index. Grain size analysis, fines content, Atterberg Limits, organic content and natural moisture content tests were performed on selected samples to assist in soil classification and to provide a general indication of the engineering properties of the soils. The Summary of Laboratory Testing and results of individual laboratory tests can be found in the Appendix. Table 2-2 provides a summary of the of laboratory tests performed. The grain-size analyses were conducted in accordance with test designation Florida Method (FM) 1-T088 (ASTM D-422). The grain size analysis test measures the percentage by weight of a dry soil sample passing a series of U.S. standard sieves gradually decreasing in aperture size. The Atterberg liquid limit and the plastic limit tests were conducted in conformity with test designation FM 1-T089 and FM 1-T090, respectively (ASTM D-4318). Atterberg Limits measure the water content at which a fine-grained soil changes from a semi-solid state to a plastic state and from a plastic state to a liquid state, respectively.

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 6 Organic content tests were performed in general accordance with FM 1-T267 (ASTM D- 2974). Dried soil samples are heated in a small muffle furnace to 1020 to 1220 Fahrenheit for six hours, thus all organic-type materials are burned, leaving only the soil minerals. The weight of the organics divided by the weight of the dried soil is the percentage of organics within a sample. Laboratory moisture content tests were performed in compliance with FM 1-T265 (ASTM D-2216). The moisture content test consists of the determination of the percentage of water in a soil sample. The weight of the moisture divided by the weight of the dry soil sample is the percentage by weight of the moisture in the soil sample. Table 2-2 Summary of Laboratory Tests Type of Laboratory Test Number of Tests Grain Size Distribution 28 Fines Content 54 Atterberg Limits 10 Organic Content 12 Natural Moisture 84

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 7 3.0 SUBSURFACE CONDITIONS 3.1 Field Exploration and Site Conditions Our field exploration took place during the month of July 2007 and it should be noted that some rainfall occurred during our exploration, which possibly may have affected the results presented for this report. SR 82 is a rural arterial highway with two lanes, one in each direction with no median and paved and unpaved shoulders. The alignment mainly follows a rthwest to Southeast direction. The section of SR 82 under study goes through three different counties between the limits of the project. These counties are Lee, Hendry, and Collier, in this order. Light to heavy traffic was experienced during our exploration. The end of the project at Lee Boulevard presented more traffic due to the presence of retail stores while the other end at SR 29 is rural and has less traffic. Retail stores, individual homes, residential communities, farms, a cemetery, and lots of vacant land were all present within the 23 mile limits of the project. 3.2 Review of the Lee, Hendry, and Collier USDA Soil Surveys The Soil Conservation Service (SCS) Soil Survey mapping for the Collier County Area, Florida (FL021), Hendry County Area, Florida (FL051), and Lee County Area, Florida (FL071) identifies several soil units for SR 82 within the limits of the project. The USDA SCS Online Soil Survey was used for this report. The SCS Online Survey was developed and is maintained by the Soil Survey Staff, Natural Resources Conservation Service, United States Department of Agriculture, Web Soil Survey (available online at http://websoilsurvey.nrcs.usda.gov/ accessed 07/03/2007). An Area of Interest (AOI) for the SCS mapping was defined for the section of SR 82 under study. It consisted of the area enclosed by the 23 miles of the SR 82 alignment, from Lee Boulevard to SR 29, and a distance to both sides of the roadway alignment far enough to include the Right of Way. There are five Soil Map Units that account for approximately 50 percent of the total AOI, these Map Units are: Myakka fine sand (8%), Malabar fine sand (9%), Pompano fine sand, depressional (9%), Immokalee sand (11%), and Oldsmar fine sand (12%). Also, there are seventeen soil map units with more than one percent as identified for this project and are presented in the tables below. Tables with the properties for the main soil map units for Lee, Hendry, and Collier counties are shown in Table 3-1, Table 3-2, and Table 3-3, respectively.

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 8 Table 3-1 Soil Map Unit Properties in Lee County Map Unit Symbol Map Unit Name Percent of AOI Depth to restrictive feature Drainage Class Capacity of the Most Limiting Layer to Transmit Water (Ksat) SHWT 53 Myakka fine sand, depressional 3% More than 80 inches Very poorly drained Moderately high to high 0 inches 13 Boca fine sand 3% 24 to 40 inches to lithic rock Poorly drained Moderately high to high 6 to 18 inches 33 Oldsmar sand 3% More than 80 inches Poorly drained Moderately low to moderately high 6 to 18 inches 26 Pineda fine sand 4% More than 80 inches Poorly drained Moderately low to high 0 to 12 inches 49 Felda fine sand, depressional 4% More than 80 inches Very poorly drained Moderately high to high 0 inches 11 Myakka fine sand 8% More than 80 inches Very poorly drained Moderately high to high 0 inches 34 Malabar fine sand 9% More than 80 inches Poorly drained Moderately low to moderately high 0 to 12 inches 27 Pompano fine sand, depressional 9% More than 80 inches Very poorly drained High to very high 0 inches 28 Immokalee sand 11% More than 80 inches Poorly drained Moderately high to moderately high 6 to 18 inches Table 3-2 Soil Map Unit Properties in Hendry County Map Unit Symbol Map Unit Name Percent of AOI Depth to restrictive feature Drainage Class Capacity of the Most Limiting Layer to Transmit Water (Ksat) SHWT 4 Oldsmar sand 2% More than 80 inches Poorly drained Moderately low to moderately high 6 to 12 inches 7 Immokalee sand 3% More than 80 inches Poorly drained Moderately high to moderately high 6 to 18 inches 60 Myakka sand, depressional 3% More than 80 inches Very poorly drained Moderately high to high 0 inches

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 9 Table 3-3 Soil Map Unit Properties in Collier County Map Unit Symbol Map Unit Name Percent of AOI Depth to restrictive feature Drainage Class Capacity of the Most Limiting Layer to Transmit Water (Ksat) SHWT 17 Basinger fine sand 2% More than 80 inches Poorly drained High to very high 0 to 12 inches 37 Tuscawilla fine sand 2% More than 80 inches Poorly drained Moderately high to moderately high 6 to 18 inches 7 Immokalee fine sand 3% More than 80 inches Poorly drained Moderately high to moderately high 6 to 18 inches 22 Chobee, Winder, and Gator soils, depressional 3% More than 80 inches Very poorly drained Moderately low to moderately high 0 inches 29 Wabasso fine sand 3% More than 80 inches Poorly drained Moderately low to moderately high 6 to 18 inches 16 Oldsmar fine sand 12% More than 80 inches Poorly drained Moderately low to moderately high 6 to 18 inches Also the typical soil profiles were obtained from the SCS survey and they are presented in the following Table 3-4, Table 3-5, and Table 3-6 for Lee, Hendry, and Collier counties, respectively. Table 3-4 Typical Soil Profiles for Soil Map Units in Lee County Map Unit Symbol Map Unit Name Typical Soil Profile (units in inches) 53 Myakka fine sand, depressional 0 to 80: Sand 13 Boca fine sand 0 to 25: Fine Sand, 25 to 30: Sandy Loam 30 to 34: Unweathered Rock 33 Oldsmar sand 0 to 50: Fine Sand, 50 to 80: Sandy clayey Loam 26 Pineda fine sand 0 to 36: Fine Sand, 36 to 54: Fine sandy Loam, 54 to 80: Fine Sand 49 Felda fine sand, depressional 0 to 35: Fine Sand, 35 to 52: Sandy Loam and, 52 to 80: Fine Sand Sandy Clayey Loam 11 Myakka fine sand 0 to 80: Sand 34 Malabar fine sand 0 to 42: Fine Sand, 42 to 59: Fine sandy Loam, 59 to 80: Fine Sand 27 Pompano fine sand, depressional 0 to 80: Fine Sand 28 Immokalee sand 0 to 80: Sand

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 10 Table 3-5 Typical Soil Profiles for Soil Map Units in Hendry County Map Unit Symbol Map Unit Name Typical Soil Profile (units in inches) 4 Oldsmar sand 0 to 50: Fine Sand, 50 to 80: Sandy clayey Loam 7 Immokalee sand 0 to 80: Fine Sand 60 Myakka sand, depressional 0 to 80: Sand Table 3-6 Typical Soil Profiles for Soil Map Units in Collier County Map Unit Symbol Map Unit Name Typical Soil Profile (units in inches) 17 Basinger fine sand 0 to 80: Fine Sand 37 Tuscawilla fine sand 0 to 14: Fine Sand, 14 to 50: Sandy clayey Loam, 50 to 80: Loamy fine Sand 7 Immokalee fine sand 0 to 80: Fine Sand 22 Chobee, Winder, and Gator soils, depressional 0 to 13: Fine sandy Loam, 13 to 47: Fine clayey Loam, 47 to 80: 29 Wabasso fine sand 0 to 35: Fine Sand, 35 to 70: Sandy clayey Loam, 70 to 80: Loamy fine Sand Loamy fine Sand 16 Oldsmar fine sand 0 to 50: Fine Sand, 50 to 80: Fine sandy Loam A Soil Survey Map for this project, based on the SCS map, is included in Appendix A, as Figure 2. 3.3 Subsurface Conditions A soil profile for each auger boring performed during this phase of the study is presented on the Boring Logs and on the Report of Borings included in the Appendix. The Report of Borings presents a detailed description of the subsurface conditions encountered at each boring location. However, it should be noted that the soil conditions likely vary between boring locations. Soil conditions varied significantly along the 23 miles of roadway. Generally, a sandy surficial layer ranging from 1 foot to 8 feet maximum (termination depth for the hand

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 11 augers) in thickness was encountered. Other borings revealed some clay and silt contents, especially the area between stations 365+00 to 655+00, where a clayey sandy layer was encountered at 2 to 5 feet from ground surface, ranging in thickness from 6 inches to 1.5 feet at some locations. Soils with high organic contents, greater than or equal to 3%, were encountered at a small number of locations during our exploration. The locations where these organics were encountered are at Hand HA-13 between 4 to 4.5 feet in depth (approximate 485+00), HA-25 between 5.5 to 6 feet in depth (Approximate 605+00), HA-26 between 2 to 3 feet in depth (approximate 615+00), and HA-71 between 5 to 6 feet in depth (approximate 1065+00). Some auger borings were terminated before the planned depth of 5 ft. Hand augers HA-1, HA-9, HA-14, HA-15, HA-26, HA-27, HA-87, HA-91, HA-95, and HA-97 were hand auger refusal due to presence of caprock. Hand augers HA-2, HA-4, HA-6, HA-8, HA-10, HA-16, HA-18, HA-50, HA-74, HA-78, HA-101, HA-113, HA-115, HA-116, HA- 117, HA-118, HA-119, HA-120, and HA-121 were terminated due to borehole caving below the groundwater table. Finally, hand augers HA-24, HA-89, and HA-103 were terminated due to presence of clayey soils since groundwater was not encountered for those borings. 3.4 The groundwater level was not encountered at 46 of the 122 auger boring locations at the time of drilling. For those locations where it was found, it ranged from 1 to 8 feet below the ground surface. depths are highly dependent on seasonal conditions such as frequency and magnitude of rainfall patterns, as well as man-made influences such as existing drainage ditches, ponds, and areas of covered soils (parking lots, side walks, etc.). depths are provided on the Boring Logs and Report of Borings Sheets in the Appendix. 3.5 Seasonal High Water Table (SHWT) The SCS Soil Survey recommends using Seasonal High Water Table estimates ranging from the ground surface to about 18 inches below for all soils mapped within the project limits. Due to the addition of drainage features and the development of the land, Williams gathered SHWT estimates from field borings performed on natural ground where possible, and from the roadway embankment (i.e. areas of cut sections or engineered fill) as directed by the Department. In several auger borings the Seasonal High Water Table estimates were close to the ground surface. These estimates were

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 12 determined by the evidence of a saturated zone, namely grayish colors (redoximorphic features) in the soil. Williams estimated the SHWT to vary from approximately a depth of 1 foot from the ground surface to more than 5.5 feet in some locations. The variation can be attributed to the change of elevation of the different auger borings. The estimated SHWT depths are provided in the Boring Logs included in the Appendix. 3.6 Saturated Hydraulic Conductivity (Ksat) Saturated hydraulic conductivity (Ksat) refers to the ease with which pores in a saturated soil transmit water. The estimates are expressed in terms of micrometers per second (µm/s or 10-6 m/s or 10-4 cm/s). They are based on soil characteristics observed in the field, particularly structure, porosity, and texture. Saturated hydraulic conductivity is considered in the design of soil drainage systems and septic tank absorption fields. In the information from the Soil Conservation Surveys presented above, the numeric Ksat values have been grouped according to standard Ksat class limits. The numeric Ksat classes are Very Low, with values ranging from 0 to 10-6 cm/s, Low with values ranging from 10-6 to 10-5 cm/sec, Moderately low with values ranging from 10-5 to 10-4 cm/sec, Moderately high with values ranging from 10-4 to 10-3 cm/sec, High with values ranging from 10-3 to 10-2 cm/sec and Very high with values ranging from 10-2 to 7x10-2 cm/sec. The classes for the Saturated hydraulic conductivity (Ksat) for the section of SR 82 within the limits of this project ranges from Moderately low with values ranging from 10-5 to 10-4 cm/sec to Moderately high with values ranging from 10-4 to 10-3 cm/sec.

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 13 4.0 EVALUATIONS AND CONCLUSIONS 4.1 Roadway Soil Survey As previously mentioned, a Roadway Soil Survey was prepared for this submittal. Also, as previously indicated the hand augers were staggered every 1,000 feet at both sides of the SR 82 alignment between the project limits. As the design for SR 82 evolves, it will be necessary to perform additional soil borings in order to have a more detailed Roadway Soil Survey. 4.2 Proposed Roadway Construction Based on the results of this limited field exploration, it appears that the subsurface conditions are suitable for the roadway widening and reconstruction of SR 82. Organic (A-8) material was encountered at some locations during our limited roadway exploration. The locations with high organic content soils were not further explored due to the thickness and/or depth of the organic layer. These locations are approximated located at 485+00 (depth from 5 to 5.5 ft), 605+00 (depth from 5.5 to 6 ft), and 1065+00 (depth from 5 to 6 ft). The only location where the organic soils were encountered at a depth less than 5 ft was the area around 615+00. The Department has already explored this location and a Report of Borings titled SR 82 Pavement Depression (Eastbound Lane) was approved by Ms. Teresa Puckett. In the final design studies consideration should be given to the existence of caprock where excavations may be necessary. Also, as the design progresses, plans for previous construction should be reviewed to determine where underground utilities were placed. Those specific areas should be checked to determine if these features, and others, were removed.

Report for PD&E Geotechnical Exploration - SR 82 from Lee Boulevard to SR 29 - Revised August 22, 2007 Lee, Hendry, and Collier Counties, Florida Williams Project. 1305-503-14 Page 14 5.0 LIMITATIONS Evaluations and recommendations in this report were prepared for the exclusive use of the Florida Department of Transportation and their consultants. These evaluations and recommendations were prepared using generally accepted standards of geotechnical engineering practices. other warranty is expressed or implied. Also, these evaluations and recommendations are based on design information provided to date. Should any project locations be changed, Williams should be notified for review. Furthermore, upon the discovery of any site or subsurface condition during construction that is different from the data obtained during this subsurface exploration as documented herein, please contact us immediately so that we may visit the site, observe the differing conditions, and make any necessary adjustments based on the new information with regards to our evaluations and recommendation contained herein. The recommendations presented previously represent design techniques, which we feel are both applicable and feasible for the planned construction. It is our recommendation that Williams Earth Sciences, Inc. be provided the opportunity to review the final construction plans to evaluate whether the recommendations have been properly interpreted and implemented. Involvement of the geotechnical engineer during construction is important to ensure the project is constructed in accordance with the geotechnical report. In addition, if varying subsurface conditions are encountered, resolutions can be obtained more quickly.

Project.: 1305-503-14 HA-01 Sta. 365+00 48.5 RT 7/5/07 0.0-0.5 Brown fine SAND with Limestone fragments 1.0 1.0 0.5-1.0 Orange and brown fine SAND with Limestone fragments (Hand auger refusal due to presence of caprock) HA-02 Sta. 375+00 66.0 LT 7/6/07 0.0-1.0 Mottled brown and gray fine SAND with small roots 1.0-2.0 Light brown fine SAND 2.0-2.5 Light brown slightly clayey fine SAND with minor roots 2.5-3.0 Gray slightly clayey fine SAND with minor roots (Boring terminated due to borehole caving below the groundwater table) 1.0 1.5 HA-03 Sta. 385+00 33.0 RT 7/5/07 0.0-1.0 Brown fine SAND with minor roots 3.0 3.5 1.0-2.5 Light tan fine SAND with stains 2.5-3.5 Tan fine SAND with stains 3.5-4.0 Grayish brown clayey fine SAND 4.0-5.0 Gray fine SAND with roots HA-04 Sta. 395+00 57.0 LT 7/6/07 0.0-0.5 Mottled brown and gray fine SAND 2.0 2.5 0.5-2.0 Light tan brown fine SAND 2.0-2.5 Light brown fine SAND 2.5-3.0 Mottled gray and brown clayey fine SAND HA-05 Sta. 405+00 38.0 RT 7/5/07 0.0-1.5 Brown slightly silty fine SAND with minor roots 1.5-2.0 Dark brown fine SAND root 2.0-2.5 Light tan fine SAND 2.5-3.0 Gray and orange fine SAND 3.0-4.5 Light tan and orange fine SAND 3.0 4.5 Page 1 of 28

4.5-5.0 Light tan and orange fine SAND with minor organics Project.: 1305-503-14 Page 2 of 28

Project.: 1305-503-14 HA-06 Sta. 415+00 40.0 LT 7/6/07 0.0-1.0 Mottled brown and light brown fine SAND 3.0 3.0 1.0-2.0 Light tan fine SAND 2.0-3.0 Light brown fine SAND 3.0-3.5 Mottled and gray brown clayey fine SAND HA-07 Sta. 425+00 40.0 RT 7/5/07 0.0-1.0 Light fine tan fine SAND with minor roots 4.0 5.5 1.0-1.3 Dark gray fine SAND 1.3-2.0 Light gray fine SAND 2.0-4.0 Tan fine SAND 4.0-5.5 Brown clayey fine SAND HA-08 Sta. 435+00 33.0 LT 7/6/07 0.0-1.5 Brown fine SAND with minor roots 3.0 4.0 1.5-3.0 Light brown fine SAND 3.0-4.0 Brown clayey fine SAND HA-09 Sta. 445+00 38.5 RT 7/5/07 0.0-1.0 Brown and dark brown with minor root slightly silty fine SAND 1.0-2.0 Tan fine SAND 2.0-3.0 Light brown clayey fine SAND with Limestone fragments and minor organics (Hand auger refusal due to presence of caprock) t NE HA-10 Sta. 455+00 42.5 LT 7/6/07 0.0-1.0 Brown fine SAND with roots 3.0 4.0 1.0-2.0 Light brown fine SAND with brown stains 2.0-3.0 Brown fine SAND 3.0-4.0 Brown clayey fine SAND Page 3 of 28

Project.: 1305-503-14 Hand HA-11 Sta. 465+00 30.5 RT 7/5/07 0.0-1.0 Brown fine SAND with minor roots 3.5 5.5 1.0-2.0 Grayish brown fine SAND 2.0-4.0 Tan fine SAND 4.0-5.0 Light tan fine SAND 5.0-5.5 Light brown and light tan fine SAND HA-12 Sta. 475+00 42.0 LT 7/6/07 0.0-1.0 Brown fine SAND with minor roots 3.0 4.5 1.0-2.0 Light tan fine SAND 2.0-4.0 Light brown fine SAND 4.0-5.0 Brown fine SAND HA-13 Sta. 485+00 34.0 RT 7/5/07 0.0-1.0 Brown slightly silty fine SAND 1.8 NE 1.0-1.8 Tan fine SAND 1.8-2.0 Tan fine SAND with dark brown stains 2.0-3.0 Gray and brown fine SAND 3.0-5.0 Dark brown very silty fine SAND 5.0-5.5 Dark brown sandy organic SILT HA-14 Sta. 495+00 52.5 LT 7/6/07 0.0-1.5 Dark brown fine SAND with roots 1.5 1.5 1.5-2.0 Brown slightly silty fine SAND with dark stains and Limestone fragments 2.0-2.0 Limestone (Hand auger refusal due to presence of caprock) HA-15 Sta. 505+00 32.5 RT 7/5/07 0.0-1.0 Brown fine SAND with minor roots t NE 1.0-2.0 Brown fine SAND with roots, clay, and limestone 2.0-2.0 Limestone (Hand auger refusal due to presence of caprock) Page 4 of 28

Project.: 1305-503-14 HA-16 Sta. 515+00 41.5 LT 7/6/07 0.0-1.0 Light brown fine SAND 1.0 2.0 1.0-2.0 Light brown clayey fine SAND with orange stains 2.0-3.0 Light gray slightly clayey fine SAND 3.0-4.0 Light gray clayey fine SAND HA-17 Sta. 525+00 49.0 RT 7/5/07 0.0-0.5 Brown fine SAND 3.0 5.5 0.5-2.0 Tan slightly silty slightly clayey fine SAND 2.0-3.0 Tan slightly silty slightly clayey fine SAND with dark brown stains 3.0-4.0 Tan fine SAND with stains 4.0-4.5 Gray and light tan fine SAND 4.5-5.0 Gray dark green organic SILT HA-18 Sta. 535+00 32.5 LT 7/6/07 0.0-1.0 Dark brown fine SAND with minor roots with stains 1.0-2.0 Brown and gray fine SAND 2.5-3.0 Orangish brown slighty silty fine SAND with stains 3.0-3.5 Brown clayey fine SAND 2.5 3.0 HA-19 Sta. 545+00 47.0 RT 7/6/07 0.0-1.0 Brown fine SAND 2.0 3.0 1.0-2.0 Brown fine SAND with organics 2.0-2.5 Brown very clayey fine SAND with minor organics 3.0-5.0 Brown clayey fine SAND with stains Page 5 of 28

Project.: 1305-503-14 HA-20 Sta. 555+00 37.5 LT 7/6/07 0.0-1.0 Brown fine SAND with minor roots 3.3 5.0 1.0-2.0 Light brown fine SAND 2.0-3.0 Brown and gray fine SAND with stains 3.0-4.5 Brown clayey fine SAND with minor organics 4.5-5.0 Brown very clayey fine SAND HA-21 Sta. 565+00 38.5 RT 7/6/07 0.0-1.0 Brown fine SAND with roots 2.5 4.0 1.0-2.0 Brown fine SAND with stains with Limestone fragments with roots 2.0-3.0 Mottled brown and light brown fine SAND with minor roots 3.0-4.0 Brown fine SAND trace of clay 4.0-5.0 Brown clayey fine SAND HA-22 Sta. 575+00 33.0 LT 7/6/07 0.0-1.0 Brown fine SAND with roots 4.8 NE 1.0-2.0 Light brown fine SAND 2.0-3.0 Light brown fine SAND with gray stains 3.0-4.8 Gray fine SAND 4.8-6.0 Brown clayey fine SAND with gray stains HA-23 Sta. 589+40 34.0 RT 7/2/07 0.0-1.0 Brown fine SAND t NE 1.0-2.0 Gray fine SAND 2.0-3.0 Light brown fine SAND 3.0-4.5 Brown fine SAND 4.5-5.5 Mottled brown and light brown silty fine SAND 5.5-6.0 Light brown clayey fine SAND with orange stains Page 6 of 28

Project.: 1305-503-14 Hand HA-24 Sta. 595+00 58.0 LT 7/6/07 0.0-1.0 Brown fine SAND with roots t NE 1.0-2.0 Light tan fine SAND 2.0-3.0 Orangish brown clayey fine SAND HA-25 Sta. 605+00 35.0 RT 7/2/07 0.0-2.0 Light brown fine SAND 5.5 NE 2.0-3.0 Brown light fine SAND 3.0-4.0 Gray fine SAND with stains 4.0-5.0 Light brown and dark brown silty fine SAND 5.0-5.5 Brown very silty fine SAND 5.5-6.0 Brown clayey fine SAND with gray stains and minor organics 6.0-6.5 Gray clayey fine SAND with organics 7.3-7.6 Brown slightly clayey fine SAND HA-26 Sta. 615+00 33.0 LT 7/5/07 0.0-1.0 Dark brown fine SAND t NE 1.0-2.0 Brown fine SAND with shell fragments 2.0-4.0 Brown fine SAND with shell and small roots 4.0-4.0 Limestone (Hand auger refusal due to presence of caprock) HA-27 Sta. 625+00 25.5 RT 7/2/07 0.0-2.0 Brown fine SAND with minor roots t NE 2.0-2.8 Mottled gray and brown fine SAND 2.8-3.3 Gray fine SAND with dark brown stains 3.3-3.3 Limestone (Hand auger refusal due to presence of caprock) HA-28 Sta. 635+00 27.5 LT 7/5/07 0.0-1.0 Brown fine SAND t NE 1.0-2.0 Brown fine SAND with orange stains 2.0-3.0 Brown fine SAND with trace of clay 3.0-4.0 Orange fine SAND 4.0-5.0 Brown slightly clayey fine SAND 5.0-6.0 Gray clayey fine SAND Page 7 of 28

Project.: 1305-503-14 HA-29 Sta. 645+00 28.5 RT 7/2/07 0.0-1.0 Brown fine SAND with orange and dark gray stains 1.0-2.0 Brown fine SAND 2.0-4.0 Light brown fine SAND 4.0-5.0 Brown fine SAND with dark brown stains 5.0-6.0 Light brown slightly clayey fine SAND and slightly organics 5.0 NE HA-30 Sta. 655+00 31.5 LT 7/5/07 0.0-1.0 Gray fine SAND with minor roots 5.5 NE 1.0-2.0 Brown fine SAND with minor roots 2.0-4.0 Light brown fine SAND 4.0-5.0 Brown fine SAND 5.0-6.0 Brown clayey fine SAND HA-31 Sta. 665+00 24.0 RT 7/2/07 0.0-1.0 Brown fine SAND with minor roots 4.8 NE 1.0-2.0 Dark brown silty fine SAND 2.0-3.0 Dark gray fine SAND 3.0-4.0 Mottled brown and gray fine SAND 4.0-6.0 Brown slightly silty fine SAND with minor organics HA-32 Sta. 675+00 25.0 LT 7/5/07 0.0-1.0 Dark brown fine SAND with shell fragments 5.0 NE 1.0-2.0 Brown fine SAND 2.0-4.0 Gray fine SAND 4.0-5.0 Brown fine SAND 5.0-6.0 Dark brown fine SAND with stains Page 8 of 28

Project.: 1305-503-14 HA-33 Sta. 685+00 24.5 RT 7/2/07 0.0-1.0 Brown fine SAND with light brown fine SAND 5.5 NE 1.0-2.0 Dark gray silty fine SAND 2.0-3.0 Mottled light gray fine SAND with dark gray fine SAND 3.0-4.0 Light gray fine SAND 4.0-5.0 Light gray fine SAND with dark brown stains 5.0-6.0 Dark gray slightly silty fine SAND with organics HA-34 Sta. 695+00 25.0 LT 7/5/07 0.0-1.0 Dark gray fine SAND with roots 3.5 4.8 1.0-2.0 Gray fine SAND 2.0-3.0 Gray fine SAND with dark brown stains 3.0-4.0 Dark brown silty fine SAND 4.0-5.0 Mottled dark brown and brown fine SAND HA-35 Sta. 705+00 31.0 RT 7/2/07 0.0-1.0 Light brown fine SAND with roots 3.5 5.0 1.0-2.0 Light brown fine with brown stains 2.0-3.0 Gray fine SAND 3.0-4.0 Gray fine SAND with stains 4.0-5.0 Light brown fine SAND 5.0-6.0 Mottled light brown and brown fine SAND with organics HA-36 Sta. 715+00 41.0 LT 7/5/07 0.0-1.0 Dark gray fine SAND with limestone fragments 1.0-4.0 Gray fine SAND with dark brown stains 4.0-5.0 Dark brown slightly silty fine SAND 5.0-6.0 Brown silty slightly clayey fine SAND 6.0-7.0 Brown fine SAND with organics 5.0 6.5 Page 9 of 28

Project.: 1305-503-14 HA-37 Sta. 725+00 33.0 RT 7/2/07 0.0-1.0 Mottled brown fine SAND 4.0 NE 1.0-2.0 Light brown fine SAND 2.0-3.0 Mottled orange SAND with brown fine SAND 3.0-4.0 Orange fine SAND with stains 4.0-4.8 Light brown fine SAND 4.8-6.0 Mottled brown and light brown silty SAND HA-38 Sta. 735+00 25.5 LT 7/5/07 0.0-1.0 Brown fine SAND 3.5 NE 1.0-2.0 Mottled brown and gray fine SAND with roots 2.0-4.0 Brown fine SAND 4.0-5.0 Orangish light brown fine SAND 5.0-6.0 Tan fine SAND HA-39 Sta. 745+00 26.5 RT 7/2/07 0.0-2.0 Brown fine SAND with minor roots 3.5 5.0 2.0-2.5 Gray fine SAND 2.5-3.5 Dark brown silty SAND minor roots 3.5-4.5 Brown and gray fine SAND with dark brown stains 4.5-5.5 Light brown fine SAND 5.5-6.0 Light brown fine SAND with dark brown stains HA-40 Sta. 755+00 27.0 LT 7/2/07 0.0-1.0 Mottled dark brown and orangish brown fine SAND 1.0-2.0 Mottled brown and dark brown fine SAND 2.0-3.0 Brown fine SAND with orange and dark brown stains 3.0-4.0 Gray fine SAND with orange stains 4.0-5.0 Orange fine SAND with dark brown stains 5.0-6.0 Dark brown slightly clayey fine SAND 6.0-7.0 Gray fine SAND with dark brown stains 4.0 6.5 Page 10 of 28

Project.: 1305-503-14 HA-41 Sta. 765+00 25.0 RT 7/2/07 0.0-0.8 Orange fine SAND with dark brown stains 5.0 NE 0.8-1.3 Brown fine SAND 1.3-2.0 Dark brown and gray fine SAND 2.0-3.0 Light brown fine SAND 3.0-3.5 Brown fine SAND 3.5-4.0 Brown and dark gray fine SAND 4.0-6.0 Light gray fine SAND with dark brown stains HA-42 Sta. 775+00 35.0 LT 7/5/07 0.0-1.0 Mottled light dark gray fine SAND 3.0 5.0 1.0-2.0 Gray fine SAND with dark stains 2.0-5.0 Dark brown slightly silty fine SAND HA-43 Sta. 785+00 21.0 RT 7/2/07 0.0-1.0 Brown to light brown fine SAND with Limestone fragments 1.0-2.0 Dark gray fine SAND 2.0-3.0 Gray fine SAND 3.0-4.0 Light gray fine SAND 4.0-5.0 Mottled dark gray and gray fine SAND 5.0-6.0 Dark brown silty fine SAND 4.0 5.0 HA-44 Sta. 795+00 47.0 LT 7/5/07 0.0-1.0 Gray fine SAND with minor roots 4.5 6.0 1.0-3.0 Gray fine SAND 3.0-5.0 Gray fine SAND with dark brown stains 5.0-6.0 Dark brown slightly silty fine SAND Page 11 of 28

Project.: 1305-503-14 HA-45 Sta. 805+00 28.0 RT 7/2/07 0.0-1.0 Brown fine SAND 2.5 6.0 1.0-2.0 Light brown silty fine SAND with dark brown stains 2.0-2.5 Gray fine SAND with dark brown stains 2.5-4.0 Light brown fine SAND 4.0-6.0 Light brown fine SAND with dark brown stains HA-46 Sta. 815+00 30.0 LT 7/5/07 0.0-2.0 Brown fine SAND with minor roots 5.0 NE 2.0-3.0 Brown fine SAND 3.0-4.0 Brown fine SAND with dark stains 4.0-5.0 Light brown fine SAND 5.0-6.0 Mottled brown and dark brown fine SAND HA-47 Sta. 825+00 24.0 RT 7/2/07 0.0-1.0 Brown fine SAND 3.5 5.0 1.0-2.0 Brown and gray fine SAND 2.0-3.5 Gray fine SAND 3.5-4.0 Dark brown silty fine SAND with dark brown stains 4.0-5.0 Dark brown slightly silty fine SAND 5.0-6.0 Brown slightly silty fine SAND HA-48 Sta. 835+00 27.0 LT 7/5/07 0.0-1.0 Brown fine SAND with minor roots 5.0 NE 1.0-2.0 Mottled brown and dark brown fine SAND 2.0-3.0 Gray fine SAND 3.0-4.0 Brown fine SAND 4.0-5.0 Gray fine SAND with dark brown stains 5.0-6.0 Light gray with dark brown stains Page 12 of 28

Project.: 1305-503-14 HA-49 Sta. 845+00 20.5 RT 7/2/07 0.0-1.0 Brown fine SAND with minor roots 3.5 6.0 1.0-2.0 Brown fine SAND with shell fragments 2.0-3.0 Dark brown with fine SAND 3.0-6.0 Grayish and brown fine SAND HA-50 Sta. 855+00 41.5 LT 7/6/07 0.0-1.0 Brown fine SAND with minor roots 3.0 3.0 1.0-2.0 Brown fine SAND 2.0-3.0 Brown slightly silty SAND 3.0-4.0 Brown fine SAND HA-51 Sta. 865+00 24.5 RT 7/2/07 0.0-1.0 Brown fine SAND 3.5 5.0 1.0-2.0 Brown and gray fine SAND 2.0-5.0 Light brown fine SAND 5.0-6.0 Light brown fine SAND with minor organics HA-52 Sta. 875+00 29.0 LT 7/5/07 0.0-1.0 Light brown tan fine SAND 3.7 6.0 1.0-1.6 Light brown tan fine SAND with orange 1.6-2.0 Light tan orange fine SAND 2.0-3.5 Light gray fine SAND 3.5-4.4 Gray fine SAND 4.4-6.0 Very dark brown fine SAND HA-53 Sta. 885+00 41.0 RT 7/2/07 0.0-1.5 Dark gray fine SAND 3.0 4.0 1.5-2.0 Light brown fine SAND 2.0-3.0 Mottled brown and dark brown fine SAND 3.5-4.0 Dark brown fine SAND 4.0-5.0 Brown slightly silty fine SAND Page 13 of 28

Project.: 1305-503-14 HA-54 Sta. 895+00 21.0 LT 6/29/07 0.0-1.3 Light brown fine SAND 3.5 6.0 1.3-1.6 Light brown to dark gray fine SAND 1.6-2.6 Mottled dark brown and light tan brown fine SAND 2.6-3.0 Light tan and brown fine SAND 3.0-3.5 Light orange tan fine SAND 3.5-5.0 Llight tan fine SAND with brown stains 5.0-6.0 Light brown fine SAND HA-55 Sta. 905+00 24.0 RT 7/2/07 0.0-1.0 Brown fine SAND 3.5 NE 1.0-2.0 Brown and dark gray fine SAND 2.0-3.0 Dark brown fine SAND 3.0-4.0 Dark brown slightly silty SAND with minor 4.0-4.5 Brown slightly silty SAND with minor 4.5-5.0 Dark brown slightly silty SAND 5.0-6.0 Brown fine SAND HA-56 Sta. 915+00 29.5 LT 6/29/07 0.0-2.6 Light brown and brown fine SAND 3.7 5.9 2.6-3.5 Light gray and brown fine SAND 3.5-3.8 Light gray fine SAND with dark brown stains 3.8-5.5 Dark brown slightly silty fine SAND 5.5-6.0 Brown fine SAND Page 14 of 28

Project.: 1305-503-14 HA-57 Sta. 925+00 27.0 RT 7/2/07 0.0-1.0 Brown fine SAND with roots 4.5 5.0 1.0-2.0 Light brown fine SAND 2.0-3.0 Light brown fine SAND with dark brown stains 3.0-4.0 Light brown fine SAND 4.0-5.0 Light fine SAND with dark brown stains 5.0-6.0 Dark brown slightly silty SAND with minor organics HA-58 Sta. 935+00 21.0 LT 6/29/07 0.0-1.3 Light brown fine SAND 3.5 7.0 1.3-2.0 Brown to gray fine SAND 2.0-3.0 Dark gray fine SAND 3.0-3.5 Mottled light gray and dark brown fine SAND 3.5-7.5 Brown fine SAND and light brown fine SAND HA-59 Sta. 945+00 32.0 RT 7/2/07 0.0-1.0 Light brown fine SAND with dark brown stains 1.0-1.5 Dark brown fine SAND 1.5-2.0 Light brown fine SAND with dark brown stains 2.0-3.0 Light brown and gray fine SAND 3.0-4.0 Light gray fine SAND 4.0-6.0 Light brown fine SAND 2.0 4.5 HA-60 Sta. 955+00 21.5 LT 6/29/07 0.0-1.0 Brown to gray fine SAND 3.0 7.0 1.0-3.3 Light to dark gray fine SAND 3.3-3.0 Light gray fine SAND 3.0-4.0 Gray fine SAND with black stains 4.0-5.5 Dark brown fine SAND 5.5-7.0 Dark brown slightly silty fine SAND Page 15 of 28

Project.: 1305-503-14 HA-61 Sta. 965+00 29.0 RT 7/2/07 0.0-1.0 Brown fine SAND with minor roots 4.0 5.5 1.0-3.0 Brown and light gray fine SAND 3.5-4.5 Brown fine SAND with dark gray stains 4.5-6.0 Brown fine SAND HA-62 Sta. 973+00 22.0 LT 6/28/07 0.0-1.0 Light brown fine SAND 4.0 8.0 1.0-2.0 Dark gray fine fine SAND 2.0-4.3 Light gray fine SAND 4.3-5.0 Dark brown slightly silty fine SAND 5.0-6.0 Brown fine SAND 6.0-8.3 Dark tan fine SAND HA-63 Sta. 985+00 26.0 RT 7/3/07 0.0-3.0 Gray brown fine SAND with minor roots 3.0 4.0 3.0-4.0 Mottled dark brown and light brown fine SAND 4.0-5.0 Dark brown slightly silty fine SAND HA-64 Sta. 995+00 28.5 LT 6/28/07 0.0-1.0 Light gray fine SAND 3.0 8.0 3.0-4.0 Light brown fine SAND 4.0-6.0 Dark brown fine SAND 6.0-6.5 Brown fine SAND 6.5-7.1 Light brown to dark brown fine SAND with trace of clay and traces of minor organics 7.1-8.0 Light brown slightly silty fine SAND with minor organics Page 16 of 28

Project.: 1305-503-14 HA-65 Sta. 1005+00 28.5 RT 7/3/07 0.0-1.0 Brown fine SAND with minor roots t NE 1.0-3.0 Gray and brown fine SAND 3.0-4.0 Light tan fine SAND 4.0-5.0 Light tan to brown fine SAND 5.0-6.0 Dark brown slightly silty fine SAND with minor organics HA-66 Sta. 1015+00 22.0 LT 6/28/07 0.0-1.5 Brown to gray fine SAND 3.0 6.5 1.5-2.5 Gray to dark brown fine SAND 2.5-3.5 Light gray fine SAND with dark brown stains 3.5-4.0 Light brown fine SAND 4.0-5.0 Light gray fine SAND 5.0-6.7 Dark brown slighlty silty fine SAND HA-67 Sta. 1025+00 20.5 RT 7/3/07 0.0-1.0 Brown fine SAND 4.0 6.0 1.5-1.8 Dark brown slightly fine SAND with minor organics 1.8-4.0 Light tan fine SAND 4.0-6.0 Light tan fine SAND with dark brown stains HA-68 Sta. 1035+00 22.5 LT 6/28/07 0.0-1.0 Light brown fine SAND 3.0 6.0 1.0-3.5 Light brown fine SAND with orange stains 3.5-4.1 Light tan fine SAND 4.1-6.0 Light tan fine and dark orange fine SAND Page 17 of 28

Project.: 1305-503-14 HA-69 Sta. 1045+00 21.5 RT 7/3/07 0.0-0.8 Brown fine SAND 4.5 6.0 0.8-1.3 Tan brown clayey fine SAND 1.3-2.0 Light tan fine SAND with traces of clay 2.0-3.0 Tan fine SAND with traces of clay 3.0-4.5 Light brown fine SAND 4.5-5.0 Orange fine SAND 5.0-6.0 Tan fine SAND with orange stains HA-70 Sta. 1055+00 32.5 LT 7/5/07 0.0-1.0 Light brown fine SAND 4.0 4.5 1.0-4.0 Light tan brown fine SAND 4.0-5.0 Orangish tan fine SAND 5.0-6.5 Light brown fine SAND with orange stains HA-71 Sta. 1065+00 25.0 RT 7/3/07 0.0-1.5 Brown fine SAND with minor roots 4.3 6.0 1.5-3.0 Gray fine SAND 3.0-4.3 Light tan fine SAND 4.3-6.0 Dark brown slightly silty fine SAND with minor organics HA-72 Sta. 1075+00 21.0 LT 6/28/07 0.0-2.0 Gray fine SAND with minor roots 3.0 6.0 2.0-3.0 Light brown fine SAND with dark brown stains 3.0-6.0 Mottled dark brown slightly silty fine SAND 6.0-7.0 Brown fine SAND Page 18 of 28

Project.: 1305-503-14 HA-73 Sta. 1085+00 42.5 RT 7/3/07 0.0-0.8 Dark brown fine SAND 2.0 3.0 0.8-1.0 Dark gray slightly silty fine SAND 1.0-2.0 Dark gray fine SAND with dark brown stains 2.0-3.0 Mottled light brown and dark gray fine SAND with dark stains 3.0-5.0 Dark brown slightly silty fine SAND with minor organics 5.0-6.0 Brown fine SAND HA-74 Sta. 1095+00 25.0 LT 7/5/07 0.0-2.0 Gray fine SAND with roots 3.0 4.0 2.0-3.5 Mottled gray and brown fine SAND with dark brown stains 3.5-4.5 Brown slightly silty fine SAND HA-75 Sta. 1105+00 20.0 RT 7/3/07 0.0-1.0 Brown fine SAND 3.0 4.5 1.0-2.5 Dark brown slightly silty fine SAND 2.5-3.0 Dark gray fine SAND 3.0-4.0 Light tan with dark brown stains 4.5-5.0 Dark brown slightly silty fine SAND with minor organics 5.0-6.0 Dark brown slightly silty fine SAND HA-76 Sta. 1115+00 26.5 LT 7/5/07 0.0-1.0 Mottled dark brown and light brown fine SAND 1.0-2.0 Light brown fine SAND 2.0-6.0 Dark brown slightly silty fine SAND 2.0 5.0 Page 19 of 28