1. GRAIN SIZE DISTRIBUTION
    March 30, 2006
    PROPOSED CEDAR PASS PROJECT
    Attn.: Mr. Hugo E. Bermudez, P.E.
    San Jose & Matagorda Island
    RETL Job No.: G106179
    Aransas County, Texas
    4 of 5
    SIEVE
    SIZE
    B-4
    0-1’
    B-4
    5’-6’
    B-4
    8’-9’
    B-5
    1’-2’
    B-5
    5’-6’
    B-6
    1’-2’
    B-6
    6’-7’
    B-6
    7’-8’
    #10
    100
    100 100 100 100 100 100 100
    #20
    100
    100 100 100 100 100 100 100
    #40
    100
    99
    100 100 100 100 100 100
    #60 100 99 99 99 99 99 99 99
    #70 100 97 97 96 96 97 96 96
    #80
    99
    94 85 87 87 92 86 87
    #100 48
    57 40 49 52 60 43 51
    #120 18
    23 22 21 25 28 24 29
    #140
    6
    8
    10
    9
    10 14 11 13
    #200
    1.1
    0.8 2.6 2.4 2.2 3.8 2.9 3.5
    #230
    1.1
    0.8 2.5 2.2 2.1 3.6 2.7 3.2
    SIEVE
    SIZE
    B-7
    0-1’
    B-7
    4’-5’
    B-7
    7’-8’
    B-8
    1’-2’
    B-8
    5’-6’
    B-8
    8’-9’
    #10
    97
    100 100 100 100 100
    #20 95 99 99 99 100 100
    #40
    94
    99 99 99 99 99
    #60
    92
    97 98 97 98 99
    #70
    88
    87 94 86 93 98
    #80
    74
    67 84 62 86 95
    #100 36
    26 51 26 57 60
    #120 15
    10 27 11 31 33
    #140 6
    4 12 5 18 20
    #200
    0.9
    0.8 3.3 2.8 9.7 12.1
    #230
    0.8
    0.8 2.9 2.8 9.5 11.7
    SIEVE
    SIZE
    GB-1
    3’
    GB-2
    1’
    GB-2
    2’
    GB-3
    0
    GB-3
    1’
    #10 100 100 100 100 100
    #20 100 100 100 100 100
    #40 100 100 100 100 100
    #60 99 100 99 99 99
    #70 96 99 97 98 97
    #80 85 96 88 93 88
    #100 45 50 42 60 45
    #120 22 23 20 26 17
    #140 10 11
    9
    9
    5
    #200 3.0 4.5 3.1 1.9 1.0
    #230 3.0 4.4 3.0 1.8 1.0
    1
    100
    6
    D30
    coarse
    fine
    2.0
    0.0
    1.0
    16
    20
    D10
    0.1
    medium
    50
    coarse
    10
    0
    5
    10
    15
    20
    35
    25
    0.001
    0.01
    80
    1.5
    40
    45
    50
    55
    60
    65
    75
    30
    85
    90
    95
    100
    70
    GB-3
    100
    140
    3
    2
    %Clay
    60
    3/4
    4
    3.1
    1.9
    1.0
    GB-3
    1
    GB-2
    1/2
    3/8
    3
    %Gravel
    %Sand
    %Silt
    fine
    Specimen
    Identification
    Specimen
    Identification
    Classification
    Project:
    Proposed
    Cedar
    Bayou
    Project
    Location:
    Aransas
    County,
    Texas
    Number:
    G106179
    Rock
    Engineering
    and
    Testing
    Laboratory,
    Inc.
    4910
    Neptune
    Street
    Corpus
    Christi,
    Texas
    78405
    Telephone:
    (361)
    883-4555
    Fax:
    (361)
    883-4711
    HYDROMETER
    U.S.
    SIEVE
    OPENING
    IN
    INCHES
    U.S.
    SIEVE
    NUMBERS
    POORLY