,.

"

Professional Service Industries

=========================

From 10.5 feet below the mudline and extending to a depth of 13.5 feet, a stratum

of sandy clay was encountered. Standard penetration values (N) obtained within these soils

averaged

10 blows per foot. These soils are low in plasticity as indicated by Atterberg limit

test. The tested liquid limit was 34 percent and plasticity index

(PI) was 13. These soils

contain approximately

50 percent sand size particles as indicated by a minus #200 sieve test.

Boring B-3 - The subsurface soil conditions consist

of a stratum of silty clay.

From the mudline

to an approximate depth of 10.5 feet, an upper stratum of silty

clay was encountered. Standard penetration values

(N) obtained within these soils ranged

from zero

(0) to 11 blows per foot. These soils are high in plasticity as indicated by

Atterberg limit tests. Liquid limits averaged

68 percent and plasticity indicies (PI) averaged

29. These soils contain between one

(1)

and eight

(8)

percent sand size particles as

indicated by minus

#200 sieve tests.

Boring

B-4

- The subsurface soil conditions consist

of an upper stratum of clayey

sand and fme sand and a deeper stratum

of silty clay.

From the mudline to an approximate depth

of six (6) feet, an upper stratum of clayey

sand and fine sand

was encountered. Standard penetration values (N) obtained within these

soils ranged from zero

(0) to three (3) blows per foot. These soils are generally non-plastic

and contain between one

(1) and 34 silt and clay size particles as indicated by minus #200

sieve tests.

From six

(6) feet below the mudline and extending, a stratum of silty clay was

encountered. Standard penetration values

(N) obtained within these soils ranged from seven

(7) to 12 blows per foot These soils are high in plasticity as indicated by an Atterberg limit

test. The tested liquid limit was

77 percent and plasticity index (PI) was 34. These soils

contain approximately five (5) percent sand size particles as indicated

by minus #200 sieve

tests.

CONTAMINATION

ASSESSMENT

Analytical test results indicate concentrations of Total Petroleum Hydrocarbons

(TPH) in the four (4) composite soil samples collected from soil boring locations B-1, B-2,

B-3, and B-4. The levels

of TPH concentration encountered in the soil samples from soil

boring locations B-1 and B-2 are those typically associated with the biodegradation

of

naturally occurring organic matter and do not represent an adverse environmental concern.

6

:

"

I

I

I

!

---

PROFESS:

SAL

SERVICE INDUSTRII

RECORD OF SUBSURFACE EXPLORATION

Boring:

B-3

INC.

')ject Name:

1995 Marina Dredging Project

Date of Boring:

't

s~

e:

T

-

H

ea

ds

-

C

or12us

Ch

r~s

.

t'

~,

Texas

p

rOJec

t

No .

:

DESCRIPTION

DEPTH

SAMPLE

N

Qu

Qp

SURFACE

I-

-

r

Water

-

-

-

-

-

I

51

-

-

-

Mudline

=

7.5 feet below water surface

-

-

SILTY CLAY, trace sand, tanish gray, saturated,

-

very soft, (CH).

SS-l

YR

-

I

Same as above.

10

I

SS-2

YR

-

-

SS-3

WR

f-

SILTY CLAY, trace sand, tanish gray, saturated,

I-

very soft, (CH).

-

SS-4

WR

-

SILTY CLAY,

trace sand, gray, saturated, very soft.

SS-5

WR

~

15

I

f-

-

SS-6

5

0.75

-

stiff.

SILTY CLAY,

with sand, grayish tan, very moist,

-

SS-7

11

1.5

Total Depth of Boring

=

18 feet below water surface

-

-

IIR

=

Wei ght of Rod

I

I

-

-

-

-

-

-

I-

-

I

I

I-

-

f-

-

:-

-

-

-

I

I

.

-

.~

-

-

-

r

-

November 16, 1995

-

326 55415

He

REMARKS

-

-

-

-

I

-

-

-#200=92:1:

-

95.5

LL=68:1:

PI=29

-.

90.5

I

-

75.3

-#200=98X

-

-#200=99:1:

71.3

PI=29

LL=68%

-

-

75.5

I

56.9

-#200=99:1:

-

-

38.9

-

-

I

-

-

-

-

I

-

-

-

-

I

-

-

-

-

---

~.4..

J:

1 1 1 60-03

':lient 10: B-3 Camp.

,~nalyte

lenzene

-oluene

=thylbenzene

Total Xylenes

-otal

VOAs

,VlTBE

\nalyte

Total Recoverable

Petroleum Hydrocarbons

Analyte

Total Arsenic

T

I

Barium

T

".dl Cadmium

Total Chromium

Total Lead

Total Mercury

Total Selenium

Total Silver

Results

<10

<10

<10

<10

<10

<10

Results

24.0

Results

2.5

89

<0.7

7.6

15.0

0.09

<0.7

1.00

PSI/Corpus Christi

385-5P196-0024

Page 8 of 17

PURGEABLE AROMATICS

Matrix: Soil

LOW LEVEL

Units

Method

MOL/OF

ug/kg

SW 8020

10/1

Extraction Date:

ug/kg

SW 8020

10/1

NA

ug/kg

SW 8020

10/1

Analysis Date:

ug/kg

SW 8020

10/1

11/28/95

ug/kg

SW 8020

-/-

Analyst: WH

ug/kg

SW 8020

10/1

Units

Method

Analysis Date

Analyst

MOL

mg/kg

EPA 418.1

11/20/95

RM

10.0

METALS ANALYSIS

Units

Method

Analysis Date

Analyst

mg/kg

SW 7060

11/22/95

MC

mg/kg

SW 7080

11/27/95

JS

mg/kg

SW 7130

11/20/95

JS

mg/kg

SW 7190

11/20/95

JS

mg/kg

SW 7420

11/21/95

JS

mg/kg

SW 7471

11/27/95

JS

mg/kg

SW 7740

11/22/95

MC

mg/kg

SW 7760

11/22/95

JS

---

PSI/Corpus Christi

385-5P196-0024

Page 9 of 17

_A_

iI:

111 60-03

BASE/NEUTRAL AND ACID EXTRACTABLES BY GC/MS .

:Iient 10:

8-3 Camp.

Matrix:

Soil

~nalyte

Results

Units

Method

MDL/DF

'ASE NEUTRAL EXTRACTABLES

\I-Nitrosodimethylamine

<330

ug/kg

SW 8270

330/1

1is (2-chloroethyl) ether

<330

ug/kg

SW 8270

330/1

,3-Dichlorobenzene

<330

ug/kg

SW 8270

330/1

Extraction Date:

, A-Dichlorobenzene

<330

ug/kg

SW 8270

330/1

11/20/95

3enzyl alcohol

<330

ug/kg

SW 8270

330/1

Analysis Date:

,2-Dichlorobenzene

<330

ug/kg

SW 8270

330/1

11/22/95

lis (2-chloroisopropyl) ether

<330

ug/kg

SW 8270

330/1

Analyst: SP

:-.l-Nitroso di-n-propyl amine

<330

ug/kg

SW 8270

330/1

. ... exachloroethane

<330

ug/kg

SW 8270

330/1

~itrobenzene

<330

ug/kg

SW 8270

330/1

Isophorone

<330

ug/kg

SW 8270

330/1

3is (2-choloroethoxy) methane

<330

ug/kg

SW 8270

330/1

1,2A-Trichlorobenzene

<330

ug/kg

SW 8270

330/1

.~aphthalene

<330

ug/kg

SW 8270

330/1

4-Chloroaniline

<330

ug/kg

SW 8270

330/1

.... exachlorobutadiene

<330

ug/kg

SW 8270

330/1

2-Methylnaphthalene

<330

ug/kg

SW 8270

330/1

'"Iexachlorocyclopentadiene

<330

ug/kg

SW 8270

330/1

,Ioronaphthalene

<800

ug/kg

SW 8270

800/1

2- ....

'troaniline

<330

ug/kg

SW 8270

330/1

Dimethylphthalate

<330

ug/kg

SW 8270

330/1

2,4"Dinitrotoluene

<330

ug/kg

SW 8270

330/1

Acenaphthylene

<330

ug/kg

SW 8270

330/1

3-Nitroaniline

<800

ug/kg

SW 8270

800/1

Acenaphthene

<330

ug/kg

SW 8270

330/1

Dibenzofuran

<330

ug/kg

SW 8270

330/1

2,6-Dinitrotoluene

<330

ug/kg

SW 8270

330/1

Fluorene

<330

ug/kg

SW8270

330/1

4-Chloro phenyl phenyl ether

<330

ug/kg

SW 8270

330/1

4-Nitroaniline

<800

ug/kg

SW 8270

800/1

Diethyl phthalate

<330

ug/kg

SW 8270

330/1

Di-n-Butylphthalate

<330

ug/kg

SW 8270

330/1

N-Nitrolsodiphenylamine

<330

ug/kg

SW 8270

330/1

;4-Bromo phenyl phenyl ether

<330

ug/kg

SW 8270

330/1

Hexachlorobenzene

<330

ug/kg

SW 8270

330/1

: Phenanthrene

<330

ug/kg

SW 8270

330/1

Anthracene

<330

ug/kg

SW 8270

330/1

. Fluoranthene

<330

ug/kg

SW 8270

330/1

_Pyrene

<330

ug/kg

SW 8270

330/1

Butylbenzyl phthalate

<330

ug/kg

SW 8270

330/1

. Benzo (a) anthracene

<330

ug/kg

SW 8270

330/1

Chrysene .

<330

ug/kg

SW 8270

330/1

Bis (2-ethylhexyl) phthalate

<330

ug/kg

SW 8270

330/1

- 'I' -Dichlorobenzedine

<330

ug/kg

SW 8270

330/1

.1-0ctylphthalate

<330

ug/kg

SW 8270

330/1

Berizo- (b)

fluor~nthene

<330

ug/kg

SW 8270

330/1

l"~;l

(continued)

I:!t:.--

---

PSI/Corpus Christi

385-5P196-0024

Page 10 of 17

_A~

.I:

111 60-03

BASE/NEUTRAL AND ACID EXTRACTABLES BY GC/MS (cant.)

:lient \0: B-3 Camp.

Matrix:

Soil

.\nalyte

Results

Units

Method

MOL/OF

3ASE NEUTRAL EXTRACTABLES

Senzo (k) f(uoranthene

<330

ug/kg

SW 8270

330/1

3enzo- (a) pyrene

<330

ug/kg

SW 8270

330/1

ndo (1 ,2,3-cd) pyrene

<330

ug/kg

SW 8270

330/1

Dibenzo (a,h) anthracene

<330

ug/kg

SW 8270

330/1

Senzo (g,h,i) perylene

<330

ug/kg

SW 8270

330/1

ACID EXTRACTABLES

Phenol

<330

ug/kg

SW 8270

330/1

2-Chlorophenol

<330

ug/kg

SW 8270

330/1

2-Methylphenol

<330

ug/kg

SW 8270

330/1

4-Methylphenol

<330

ug/kg

SW B270

330/1

2-Nitrophenol

<330

ug/kg

SW 8270

330/1

2.4-0imethylphenol

<330

ug/kg

SW 8270

330/1

Benzoic acid

<330

ug/kg

SW 8270

330/1

2.4-Dichlorophenol

<330

ug/kg

SW 8270

330/1

4-Chloro-3-methylphenol

,

S- Trichlorophenol

<330

<330

ug/kg

ug/kg

SW

SW B270

8270

330/1

330/1

2, .. ,5- Trichlorophenol

<330

ug/kg

SW 8270

330/1

2.4-Dinitrophenol

<800

ug/kg

SW 8270

800/1

4-Nitrophenol

<800

ug/kg

SW 8270

800/1

4,6-Dinitro-2-methyl phenol

<800

ug/kg

SW 8270

800/1

Pentachlorophenol

<800

ug/kg

SW 8270

800/1

PESTICIDES

Alpha-SHC

<330

ug/kg

SW 8270

330/1

Beta-SHC

<330

ug/kg

SW 8270

330/1

Gamma-SHC

<330

ug/kg

SW 8270

330/1

Delta-SHC

<330

ug/kg

SW 8270

330/1

Heptachlor

<330

ug/kg

SW 8270

330/1

Aldrin

<330

ug/kg

SW 8270

330/1

Heptachlor epoxide

<330

ug/kg

SW 8270

330/1

Endosulfan I

<330

ug/kg

SW 8270

330/1

Dieldrin

<330

ug/kg

SW 8270

330/1

4.4'-DDE

<330

ug/kg

SW 8270

330/1

Endrin

<330

ug/kg

SW 8270

330/1

Endosulfan II

<330

ug/kg

SW 8270

330/1

4.4'-000

<330

ug/kg

SW 8270

330/1

Endrin aldehyde

<330

ug/kg

SW 8270

330/1

Endosulfan" sulfate

<330

ug/kg

SW 8270

330/1

4.4'~DDT

<330

ug/kg

SW 8270

330/1

- 'drin Ketone

<330

ug/kg

SW 8270

330/1

~thoxychlor

<330

ug/kg

SW 8270

330/1

l"'~;'

I:!!._.

---

PROFESS:

SAL

SERVICE INDUSTRII

RECORD OF SUBSURFACE EXPLORATION

Boring:

B-3

INC.

')ject Name:

1995 Marina Dredging Project

Date of Boring:

't

s~

e:

T

-

H

ea

ds

-

C

or12us

Ch

r~s

.

t'

~,

Texas

p

rOJec

t

No .

:

DESCRIPTION

DEPTH

SAMPLE

N

Qu

Qp

SURFACE

I-

-

r

Water

-

-

-

-

-

I

51

-

-

-

Mudline

=

7.5 feet below water surface

-

-

SILTY CLAY, trace sand, tanish gray, saturated,

-

very soft, (CH).

SS-l

YR

-

I

Same as above.

10

I

SS-2

YR

-

-

SS-3

WR

f-

SILTY CLAY, trace sand, tanish gray, saturated,

I-

very soft, (CH).

-

SS-4

WR

-

SILTY CLAY,

trace sand, gray, saturated, very soft.

SS-5

WR

~

15

I

f-

-

SS-6

5

0.75

-

stiff.

SILTY CLAY,

with sand, grayish tan, very moist,

-

SS-7

11

1.5

Total Depth of Boring

=

18 feet below water surface

-

-

IIR

=

Wei ght of Rod

I

I

-

-

-

-

-

-

I-

-

I

I

I-

-

f-

-

:-

-

-

-

I

I

.

-

.~

-

-

-

r

-

November 16, 1995

-

326 55415

He

REMARKS

-

-

-

-

I

-

-

-#200=92:1:

-

95.5

LL=68:1:

PI=29

-.

90.5

I

-

75.3

-#200=98X

-

-#200=99:1:

71.3

PI=29

LL=68%

-

-

75.5

I

56.9

-#200=99:1:

-

-

38.9

-

-

I

-

-

-

-

I

-

-

-

-

I

-

-

-

-

---

~.4..

J:

1 1 1 60-03

':lient 10: B-3 Camp.

,~nalyte

lenzene

-oluene

=thylbenzene

Total Xylenes

-otal

VOAs

,VlTBE

\nalyte

Total Recoverable

Petroleum Hydrocarbons

Analyte

Total Arsenic

T

I

Barium

T

".dl Cadmium

Total Chromium

Total Lead

Total Mercury

Total Selenium

Total Silver

Results

<10

<10

<10

<10

<10

<10

Results

24.0

Results

2.5

89

<0.7

7.6

15.0

0.09

<0.7

1.00

PSI/Corpus Christi

385-5P196-0024

Page 8 of 17

PURGEABLE AROMATICS

Matrix: Soil

LOW LEVEL

Units

Method

MOL/OF

ug/kg

SW 8020

10/1

Extraction Date:

ug/kg

SW 8020

10/1

NA

ug/kg

SW 8020

10/1

Analysis Date:

ug/kg

SW 8020

10/1

11/28/95

ug/kg

SW 8020

-/-

Analyst: WH

ug/kg

SW 8020

10/1

Units

Method

Analysis Date

Analyst

MOL

mg/kg

EPA 418.1

11/20/95

RM

10.0

METALS ANALYSIS

Units

Method

Analysis Date

Analyst

mg/kg

SW 7060

11/22/95

MC

mg/kg

SW 7080

11/27/95

JS

mg/kg

SW 7130

11/20/95

JS

mg/kg

SW 7190

11/20/95

JS

mg/kg

SW 7420

11/21/95

JS

mg/kg

SW 7471

11/27/95

JS

mg/kg

SW 7740

11/22/95

MC

mg/kg

SW 7760

11/22/95

JS

---

PSI/Corpus Christi

385-5P196-0024

Page 9 of 17

_A_

iI:

111 60-03

BASE/NEUTRAL AND ACID EXTRACTABLES BY GC/MS .

:Iient 10:

8-3 Camp.

Matrix:

Soil

~nalyte

Results

Units

Method

MDL/DF

'ASE NEUTRAL EXTRACTABLES

\I-Nitrosodimethylamine

<330

ug/kg

SW 8270

330/1

1is (2-chloroethyl) ether

<330

ug/kg

SW 8270

330/1

,3-Dichlorobenzene

<330

ug/kg

SW 8270

330/1

Extraction Date:

, A-Dichlorobenzene

<330

ug/kg

SW 8270

330/1

11/20/95

3enzyl alcohol

<330

ug/kg

SW 8270

330/1

Analysis Date:

,2-Dichlorobenzene

<330

ug/kg

SW 8270

330/1

11/22/95

lis (2-chloroisopropyl) ether

<330

ug/kg

SW 8270

330/1

Analyst: SP

:-.l-Nitroso di-n-propyl amine

<330

ug/kg

SW 8270

330/1

. ... exachloroethane

<330

ug/kg

SW 8270

330/1

~itrobenzene

<330

ug/kg

SW 8270

330/1

Isophorone

<330

ug/kg

SW 8270

330/1

3is (2-choloroethoxy) methane

<330

ug/kg

SW 8270

330/1

1,2A-Trichlorobenzene

<330

ug/kg

SW 8270

330/1

.~aphthalene

<330

ug/kg

SW 8270

330/1

4-Chloroaniline

<330

ug/kg

SW 8270

330/1

.... exachlorobutadiene

<330

ug/kg

SW 8270

330/1

2-Methylnaphthalene

<330

ug/kg

SW 8270

330/1

'"Iexachlorocyclopentadiene

<330

ug/kg

SW 8270

330/1

,Ioronaphthalene

<800

ug/kg