6500 Sunplex Drive

Ocean Springs, MS 39564

228.875.6420 Phone

228.875.6423 Fax

LELAP Certification # 01960

MS Department of Environmental Quality

RE: Deepwater Horizon

Pearl, MS 39208

1542 Old Whitfield Road

Henry Folmar

Enclosed are Micro-Methods Laboratory, Inc. results of analyses performed on samples received

07/10/10 08:37. If you have any questions concerning this report, please feel free to contact the office.

Sincerely,

July 14, 2010

Harry P. Howell

President

Work Order # : 1007119

Purchase Order #: Deepwater Horizon

Micro-Methods Laboratory, Inc.

DISCLAIMER

The results only relate to the items or the sample and/or samples received by the laboratory. This report shall not be reproduced except in full,

without the approval of the laboratory. All test methods performed meet the requirements of NELAC 2003 Standards. Any variances and/or

deviations specific to this analytical report are referenced in the lab report using qualifiers and detailed explanations found in the case narrative.

Project:

Project Number:

Project Manager:

Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

Sample ID Laboratory ID MatrixDate/Time Sampled

ANALYTICAL REPORT FOR SAMPLES

Date/Time Received

Sampled by

Biloxi Beach Waste Dumpster 1007119-01 Solid 07/09/10 11:30 07/10/10 08:37David Peacock

Sample Receipt Conditions

7/10/2010 8:37:00AM

Aaron Summerfield

7/10/2010 9:56:00AM Aaron Summerfield

Shipped by:Date/Time Received:

Received by:

Date/Time Logged: Logged by:

Gary HowardSubmitted by:

Default Cooler

Custody Seals

Containers Intact

COC/Labels Agree

Labels Complete

COC Complete

Received on Ice

No Ice, Short Trip

Obvious Contamination

Rush to meet HT

2.10 °C

Yes

Yes

Yes

Yes

Yes

Yes

No

Yes

No

Receipt Temperature:Cooler ID:

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 2 of 14

Project:

Project Number:

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Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

CASE NARRATIVE SUMMARY

All reported results are within Micro-Methods Laboratory, Inc.defined laboratory quality control objectives unless

detailed in narrative summary or identified as qualifications. NOTE: All results listed on this report are calculated

on a wet weight basis (as received by the laboratory) unless otherwise noted in the analysis qualification sections.

Summary Comments: No Summary Comments

Qualification: No Data Qualification

Analyte & Samples(s) Qualified:

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 3 of 14

Project:

Project Number:

Project Manager:

Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

ResultAnalyte MRL Batch

DateTime

Prepared

DateTime

Analyzed Method Notes DilUnits Analyst

Biloxi Beach Waste Dumpster

1007119-01 (Solid)

TCLP Semi-Volatile Organics by 1311/8270

ND 07/12/10

12:22

mg/L 0G120171Cresol(s) 0.050 TKM 07/14/10

13:14

EPA 8270C

ND "" ""1,4-Dichlorobenzene 0.050 TKM " "

ND "" ""2,4-Dinitrotoluene 0.050 TKM " "

ND "" ""Hexachlorobenzene 0.050 TKM " "

ND "" ""Hexachlorobutadiene 0.050 TKM " "

ND "" ""Hexachloroethane 0.050 TKM " "

ND "" ""Nitrobenzene 0.050 TKM " "

ND "" ""Pentachlorophenol 0.050 TKM " "

ND "" ""Pyridine 0.050 TKM " "

ND "" ""2,4,5-Trichlorophenol 0.050 TKM " "

ND "" ""2,4,6-Trichlorophenol 0.050 TKM " "

% Rec Rec Limits Batch

DateTime

Prepared

DateTime

Analyzed Method Notes Surrogate

"" " "10-12082.0 % TKMPhenol-d5 0.410

"" " "10-13197.9 % TKM2,4,6-Tribromophenol 0.489

"" " "10-12582.3 % TKM2-Fluorobiphenyl 0.206

"" " "10-12085.5 % TKM2-Fluorophenol 0.428

"" " "10-13091.7 % TKMNitrobenzene-d5 0.229

"" " "15-13543.8 % TKMTerphenyl-dl4 0.109

TCLP Metals by 1311/6010B

ND 07/12/10

09:00

mg/L 0G120121Arsenic 0.100 AKS 07/13/10

14:40

SW 6010B

ND "" ""Barium 0.100 AKS " "

ND "" ""Cadmium 0.100 AKS " "

ND "" ""Chromium 0.100 AKS " "

ND "" ""Lead 0.100 AKS " "

ND "" ""Selenium 0.100 AKS " "

ND "" ""Silver 0.100 AKS 07/13/10

14:51

"

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 4 of 14

Project:

Project Number:

Project Manager:

Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

ResultAnalyte MRL Batch

DateTime

Prepared

DateTime

Analyzed Method Notes DilUnits Analyst

Biloxi Beach Waste Dumpster

1007119-01 (Solid)

TCLP Mercury by 1311/7470A

ND 07/13/10

13:30

mg/L 0G130151Mercury 0.010 AKS 07/13/10

16:41

SW 7470A

TCLP Volatile Organic Compounds by EPA Method 1311/8260B

ND 07/12/10

11:30

mg/L 0G140151Benzene 0.125 KRL 07/12/10

21:00

EPA 8260B

ND "" ""2-Butanone 0.250 KRL " "

ND "" ""Carbon Tetrachloride 0.125 KRL " "

ND "" ""Chlorobenzene 0.125 KRL " "

ND "" ""Chloroform 0.125 KRL " "

ND "" ""1,2-Dichloroethane 0.125 KRL " "

ND "" ""1,1-Dichloroethene 0.125 KRL " "

ND "" ""Tetrachloroethene 0.125 KRL " "

ND "" ""Trichloroethene 0.125 KRL " "

ND "" ""Vinyl chloride 0.125 KRL " "

% Rec Rec Limits Batch

DateTime

Prepared

DateTime

Analyzed Method Notes Surrogate

"" " "83-12896.8 % KRLDibromofluoromethane 1.21

"" " "83.1-126105 % KRL1,2-Dichloroethane-d4 1.31

"" " "82.3-11297.2 % KRLToluene-d8 1.22

"" " "78.4-11492.9 % KRL4-Bromofluorobenzene 1.16

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 5 of 14

Project:

Project Number:

Project Manager:

Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

Result MRL Units LevelSpike

ResultSource

%REC%RECLimits RPD

RPDLimit Notes Analyte

TCLP Semi-Volatile Organics by 1311/8270 - Quality Control

Batch 0G12017 - EPA 3510C Prepared: 07/12/10 Analyzed: 07/14/10

Blank (0G12017-BLK1)

Cresol(s) mg/LND 0.050

1,4-Dichlorobenzene "ND 0.050

2,4-Dinitrotoluene "ND 0.050

Hexachlorobenzene "ND 0.050

Hexachlorobutadiene "ND 0.050

Hexachloroethane "ND 0.050

Nitrobenzene "ND 0.050

Pentachlorophenol "ND 0.050

Pyridine "ND 0.050

2,4,5-Trichlorophenol "ND 0.050

2,4,6-Trichlorophenol "ND 0.050

" 0.500 10-120Surrogate: Phenol-d5 71.20.356

" 0.500 10-131Surrogate: 2,4,6-Tribromophenol 71.20.356

" 0.250 10-125Surrogate: 2-Fluorobiphenyl 72.80.182

" 0.500 10-120Surrogate: 2-Fluorophenol 69.20.346

" 0.250 10-130Surrogate: Nitrobenzene-d5 80.40.201

" 0.250 15-135Surrogate: Terphenyl-dl4 81.30.203

LCS (0G12017-BS1)

Cresol(s) mg/L1.17 0.050 1.50 3510-12578.0

1,4-Dichlorobenzene "0.324 0.050 0.500 3520-12464.9

2,4-Dinitrotoluene "0.410 0.050 0.500 3539-13981.9

Hexachlorobenzene "0.294 0.050 0.500 3510-15258.9

Hexachlorobutadiene "0.292 0.050 0.500 3524-11658.5

Hexachloroethane "0.336 0.050 0.500 3540-13067.3

Nitrobenzene "0.403 0.050 0.500 3535-18080.6

Pentachlorophenol "0.243 0.050 0.500 3514-17648.7

Pyridine "0.377 0.050 0.500 355-12575.4

2,4,5-Trichlorophenol "0.414 0.050 0.500 3514-13082.7

2,4,6-Trichlorophenol "0.405 0.050 0.500 3537-14481.1

" 0.500 10-120Surrogate: Phenol-d5 71.90.359

" 0.500 10-131Surrogate: 2,4,6-Tribromophenol 90.50.453

" 0.250 10-125Surrogate: 2-Fluorobiphenyl 80.90.202

" 0.500 10-120Surrogate: 2-Fluorophenol 63.10.315

" 0.250 10-130Surrogate: Nitrobenzene-d5 87.70.219

" 0.250 15-135Surrogate: Terphenyl-dl4 86.80.217

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 6 of 14

Project:

Project Number:

Project Manager:

Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

Result MRL Units LevelSpike

ResultSource

%REC%RECLimits RPD

RPDLimit Notes Analyte

TCLP Semi-Volatile Organics by 1311/8270 - Quality Control

Batch 0G12017 - EPA 3510C Prepared: 07/12/10 Analyzed: 07/14/10

Matrix Spike (0G12017-MS1) Source: 1007119-01

Cresol(s) mg/L1.33 0.050 1.50 ND 405-13588.3

1,4-Dichlorobenzene "0.370 0.050 0.500 ND 4015-12974.0

2,4-Dinitrotoluene "0.478 0.050 0.500 ND 4034-14495.6

Hexachlorobenzene "0.305 0.050 0.500 ND 405-15761.1

Hexachlorobutadiene "0.324 0.050 0.500 ND 4019-12464.7

Hexachloroethane "0.386 0.050 0.500 ND 4030-13577.2

Nitrobenzene "0.448 0.050 0.500 ND 4030-18589.6

Pentachlorophenol "0.507 0.050 0.500 ND 409-181101

Pyridine "0.433 0.050 0.500 ND 405-13086.5

2,4,5-Trichlorophenol "0.491 0.050 0.500 ND 409-13598.2

2,4,6-Trichlorophenol "0.473 0.050 0.500 ND 4032-14994.6

" 0.500 10-120Surrogate: Phenol-d5 88.30.441

" 0.500 10-131Surrogate: 2,4,6-Tribromophenol 1100.551

" 0.250 10-125Surrogate: 2-Fluorobiphenyl 96.50.241

" 0.500 10-120Surrogate: 2-Fluorophenol 83.30.417

" 0.250 10-130Surrogate: Nitrobenzene-d5 1010.253

" 0.250 15-135Surrogate: Terphenyl-dl4 69.80.175

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 7 of 14

Project:

Project Number:

Project Manager:

Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

Result MRL Units LevelSpike

ResultSource

%REC%RECLimits RPD

RPDLimit Notes Analyte

TCLP Metals by 1311/6010B - Quality Control

Batch 0G12012 - EPA 3010A Prepared: 07/12/10 Analyzed: 07/13/10

Blank (0G12012-BLK1)

Arsenic mg/LND 0.100

Barium "ND 0.100

Cadmium "ND 0.100

Chromium "ND 0.100

Lead "ND 0.100

Selenium "ND 0.100

Silver "ND 0.100

LCS (0G12012-BS1)

Arsenic mg/L0.199 0.100 0.200 2085-11599.4

Barium "0.205 0.100 0.200 2085-115102

Cadmium "0.193 0.100 0.200 2085-11596.6

Chromium "0.190 0.100 0.200 2085-11595.1

Lead "0.203 0.100 0.200 2085-115101

Selenium "0.200 0.100 0.200 2085-115100

Silver "0.106 0.100 0.100 2085-115106

LCS Dup (0G12012-BSD1)

Arsenic mg/L0.212 0.100 0.200 2085-115106 6.21

Barium "0.206 0.100 0.200 2085-115103 0.784

Cadmium "0.197 0.100 0.200 2085-11598.3 1.75

Chromium "0.197 0.100 0.200 2085-11598.3 3.34

Lead "0.195 0.100 0.200 2085-11597.3 3.99

Selenium "0.196 0.100 0.200 2085-11598.2 2.05

Silver "0.104 0.100 0.100 2085-115104 1.98

Matrix Spike (0G12012-MS1) Source: 1007119-01

Arsenic mg/L0.177 0.100 0.200 ND 2075-12588.3

Barium "0.323 0.100 0.200 0.091 2075-125116

Cadmium "0.168 0.100 0.200 ND 2075-12584.1

Chromium "0.179 0.100 0.200 ND 2075-12589.5

Lead "0.192 0.100 0.200 ND 2075-12595.9

Selenium "0.203 0.100 0.200 ND 2075-125102

Silver "0.110 0.100 0.100 ND 2075-125110

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 8 of 14

Project:

Project Number:

Project Manager:

Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

Result MRL Units LevelSpike

ResultSource

%REC%RECLimits RPD

RPDLimit Notes Analyte

TCLP Mercury by 1311/7470A - Quality Control

Batch 0G13015 - SW 7470A Prepared & Analyzed: 07/13/10

Blank (0G13015-BLK1)

Mercury mg/LND 0.010

LCS (0G13015-BS1)

Mercury mg/L0.021 0.010 0.0200 2085-115103

LCS Dup (0G13015-BSD1)

Mercury mg/L0.021 0.010 0.0200 2085-115106 2.87

Matrix Spike (0G13015-MS1) Source: 1007119-01

Mercury mg/L0.021 0.010 0.0200 ND 2075-125104

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 9 of 14

Project:

Project Number:

Project Manager:

Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

Result MRL Units LevelSpike

ResultSource

%REC%RECLimits RPD

RPDLimit Notes Analyte

TCLP Volatile Organic Compounds by EPA Method 1311/8260B - Quality Control

Batch 0G14015 - EPA 5030B Prepared & Analyzed: 07/12/10

Blank (0G14015-BLK1)

Benzene mg/LND 0.125

2-Butanone "ND 0.250

Carbon Tetrachloride "ND 0.125

Chlorobenzene "ND 0.125

Chloroform "ND 0.125

1,2-Dichloroethane "ND 0.125

1,1-Dichloroethene "ND 0.125

Tetrachloroethene "ND 0.125

Trichloroethene "ND 0.125

Vinyl chloride "ND 0.125

" 1.25 83-128Surrogate: Dibromofluoromethane 98.71.23

" 1.25 83.1-126Surrogate: 1,2-Dichloroethane-d4 1011.26

" 1.25 82.3-112Surrogate: Toluene-d8 1011.26

" 1.25 78.4-114Surrogate: 4-Bromofluorobenzene 98.61.23

LCS (0G14015-BS1)

Benzene mg/L0.526 0.125 0.500 3591.8-113105

2-Butanone "0.498 0.250 0.500 3573-12399.5

Carbon Tetrachloride "0.507 0.125 0.500 3583.2-122101

Chlorobenzene "0.506 0.125 0.500 3589.5-111101

Chloroform "0.511 0.125 0.500 3589.8-126102

1,2-Dichloroethane "0.518 0.125 0.500 3581.9-130104

1,1-Dichloroethene "0.518 0.125 0.500 3583.8-132104

Tetrachloroethene "0.550 0.125 0.500 3576-128110

Trichloroethene "0.529 0.125 0.500 3587.2-117106

Vinyl chloride "0.413 0.125 0.500 3565.9-13282.5

" 1.25 83-128Surrogate: Dibromofluoromethane 1031.29

" 1.25 83.1-126Surrogate: 1,2-Dichloroethane-d4 1031.29

" 1.25 82.3-112Surrogate: Toluene-d8 95.61.20

" 1.25 78.4-114Surrogate: 4-Bromofluorobenzene 96.11.20

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 10 of 14

Project:

Project Number:

Project Manager:

Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

Result MRL Units LevelSpike

ResultSource

%REC%RECLimits RPD

RPDLimit Notes Analyte

TCLP Volatile Organic Compounds by EPA Method 1311/8260B - Quality Control

Batch 0G14015 - EPA 5030B Prepared & Analyzed: 07/12/10

LCS Dup (0G14015-BSD1)

Benzene mg/L0.509 0.125 0.500 3591.8-113102 3.14

2-Butanone "0.451 0.250 0.500 3573-12390.1 9.92

Carbon Tetrachloride "0.488 0.125 0.500 3583.2-12297.5 3.87

Chlorobenzene "0.507 0.125 0.500 3589.5-111101 0.148

Chloroform "0.485 0.125 0.500 3589.8-12697.0 5.17

1,2-Dichloroethane "0.505 0.125 0.500 3581.9-130101 2.64

1,1-Dichloroethene "0.504 0.125 0.500 3583.8-132101 2.79

Tetrachloroethene "0.522 0.125 0.500 3576-128104 5.13

Trichloroethene "0.500 0.125 0.500 3587.2-11799.9 5.69

Vinyl chloride "0.429 0.125 0.500 3565.9-13285.8 3.86

" 1.25 83-128Surrogate: Dibromofluoromethane 99.51.24

" 1.25 83.1-126Surrogate: 1,2-Dichloroethane-d4 1021.28

" 1.25 82.3-112Surrogate: Toluene-d8 97.51.22

" 1.25 78.4-114Surrogate: 4-Bromofluorobenzene 97.61.22

Matrix Spike (0G14015-MS1) Source: 1007119-01

Benzene mg/L0.503 0.125 0.500 ND 4085.9-121101

2-Butanone "0.410 0.250 0.500 ND 4069-13682.0

Carbon Tetrachloride "0.459 0.125 0.500 ND 4072.3-12691.8

Chlorobenzene "0.496 0.125 0.500 ND 4084.6-11699.1

Chloroform "0.497 0.125 0.500 ND 4076.4-13099.4

1,2-Dichloroethane "0.499 0.125 0.500 ND 4077.5-13699.8

1,1-Dichloroethene "0.482 0.125 0.500 ND 4079.1-12996.4

Tetrachloroethene "0.463 0.125 0.500 ND 4071.6-11992.5

Trichloroethene "0.498 0.125 0.500 ND 4086.2-11799.6

Vinyl chloride "0.435 0.125 0.500 ND 4064.2-12587.0

" 1.25 83-128Surrogate: Dibromofluoromethane 99.21.24

" 1.25 83.1-126Surrogate: 1,2-Dichloroethane-d4 99.41.24

" 1.25 82.3-112Surrogate: Toluene-d8 97.21.21

" 1.25 78.4-114Surrogate: 4-Bromofluorobenzene 96.31.20

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 11 of 14

Project:

Project Number:

Project Manager:

Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

Laboratory Accreditations/Certifications

Code Description Number Expires

01960La Environmental Lab Accreditation Program 06/30/2011C01

National Environmental Lab Accreditation Program 06/30/2011C02

MS00007Ms Dept of Health (Coliform) 11/25/2010C03

MS00021-2009Ms Dept of Health (Drinking Water Certificate) 12/31/2010C04

PBF-00000028Ms DEQ Lead Firm Certification 10/08/2010C05

ABI-00001348MsDEQ Asbestos Inspector : C.D. Bingham 04/22/2010C06

AM-011572MsDEQ Air Monitor : C.D. Bingham 04/23/2010C07

ABI-00001821MsDEQ Asbestos Inspector: C. W. Meins 09/04/2010C08

AM-011189MsDEQ Air Monitor : C.W. Meins 04/23/2011C09

ABI-00002378MsDEQ Asbestos Inspector : C.E.Harris 01/14/2011C10

ABM-00002015MsDEQ Air Monitor : C.E. Harris 10/30/2010C11

ABI-00001345MsDEQ Asbestos Inspector : H.P. Howell 04/22/2010C12

ABM-00001344MsDEQ Air Monitor: H.P. Howell 04/23/2010C13

Report Definitions

DET Analyte DETECTED

ND Analyte NOT DETECTED at or above the minimum reporting limit

NR Not Reported

RPD Relative Percent Difference

ICV Initial Calibration Verfiication

CCV Continuing Calibration Verification Standard

SSV Secondary Source Verfication Standard

LCS Lab Control Spike - Lab matrix prepared with known concentration of analyte/s of interest analyzed by method.

MS Matrix Spike - Sample prepared with known concentration of analyte/s of interest analyzed by method.

MSD Matrix Spike Duplicate - Duplicate sample prepared with known concentration of anlayte/s of interest analyzed by method.

MRL Minimum Reporting Limit

%REC Percentage Recovery of known concentration added to matrix

Batch Group of samples prepared for analysis not to exceed 20 samples.

Matrix Material containing analyte/s of interest

Surrogate Analyte added to sample to determine extraction efficiency of method.

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 12 of 14

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Project Number:

Project Manager:

Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

COC Goes Here

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 13 of 14

Project:

Project Number:

Project Manager:

Reported:

MS Department of Environmental Quality

1542 Old Whitfield Road [none]

Henry Folmar

Deepwater Horizon

07/14/10 15:53Pearl MS, 39208

6500 Sunplex Drive

Ocean Springs, MS 39564

228-875-6420 Phone

228-875-6423 Fax

Micro-Methods Laboratory, Inc.

The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.

Page 14 of 14