2014 ANNUAL REPORT FOR CLEAN WATER ACT SECTION 401 WATER QUALITY CERTIFICATION, FILE NUMBER 09-213, LOS ANGELES REGION WATER QUALITY CONTROL BOARD NORTHERN DRAINAGE SEDIMENT CONTROL AND BANK STABILIZATION PROJECT SANTA SUSANA FIELD LABORATORY VENTURA COUNTY, CALIFORNIA by Haley & Aldrich, Inc. San Diego, California for The Boeing Company Ventura County, California File No. 41000-439 26 November 2014

2014 ANNUAL REPORT FOR CLEAN WATER ACT, FILE NUMBER 09-213 LOS ANGELES REGIONAL WATER QUALITY CONTROL BOARD

NORTHERN DRAINAGE SEDIMENT CONTROL AND BANK STABILIZATION PROJECT

SANTA SUSANA FIELD LABORATORY VENTURA COUNTY, CALIFORNIA

The material and data in this report were prepared by the staff of Haley & Aldrich, Inc. under the professional supervision and direction of the undersigned California Registered Civil Engineer whose seal and signature appears hereon. The material and data were prepared in accordance with generally accepted professional engineering and geologic practice. There is no other warranty, either expressed or implied.

____________________________________ Richard M. Farson, P.E. No. 47269

Vice President

TABLE OF CONTENTS

Page

i

LIST OF TABLES ii LIST OF FIGURES ii 

1.  INTRODUCTION 1 

2.  PROJECT DESCRIPTION AND STATUS 2 

2.1  Project-related Permits 2 2.2  Project Construction Activities 2 

2.2.1  2010 Construction Activities 2 2.2.2  2011 Construction Activities 3 2.2.3  2012 Construction Activities 3 2.2.4  2013 Construction Activities 3 2.2.5  2014 Construction Activities 3 

2.3  Project Status and Schedule of Work 3 2.4  Mitigation Monitoring Activities and Exotic Plant Control Efforts 4 

2.4.1  2010 Mitigation Monitoring Activities 4 2.4.2  2011 Mitigation Monitoring Activities 4 2.4.3  2012 Mitigation Monitoring Activities 4 2.4.4  2013 Mitigation Monitoring Activities 4 2.4.5  2014 Mitigation Monitoring Activities 4 

3.  WATER QUALITY MONITORING RESULTS 5 

3.1  2010 Monitoring Results 5 3.2  2011 Monitoring Results 5 3.3  2012 Monitoring Results 5 3.4  2013 Monitoring Results 5 3.5  2014 Monitoring Results 5 

4.  CERTIFIED STATEMENTS AND DECLARATION 6 

REFERENCES 7  TABLE FIGURES APPENDIX A - Project-related Permits APPENDIX B - Pre-and Post-Construction Photographs

ii

LIST OF TABLES Table No. Title I Global Positioning System Coordinates of the Northern Drainage Project Area

2014 Annual Compliance Report, 401 Certification LIST OF FIGURES Figure No. Title 1 Northern Drainage Site Plan 2 Northern Drainage Sediment Control and Bank Stabilization Site Plan Design 3 Northern Drainage Sediment Control and Bank Stabilization Channel Plan and

Cross Section 4 Northern Drainage Sediment Control and Bank Stabilization Riprap Detail

1

1. INTRODUCTION The Boeing Company (Boeing) is submitting this Annual Compliance Report for 2014 pursuant to the Clean Water Act Section 401 Water Quality Certification (401 Certification), File Number 09-213, for the Northern Drainage Sediment Control and Bank Stabilization project at the Santa Susana Field Laboratory (Santa Susana site) in Ventura County, California. The 401 Certification requires the yearly submittal of an Annual Compliance Report to the California Regional Water Quality Control Board, Los Angeles Region (LARWQCB), for a minimum period of 5 years following its issuance. This is the final report and includes is a description of project activities between 9 March 2010 (the date the application was deemed complete by the LARWQCB) and 26 November 2014 as stated in Conditions 20 and 23 of Attachment B of the 401 Certification. Work was conducted in December 2010 and is complete (Figure 1). No further work authorized under 401 Certification 09-213 was performed in 2014. Work completed in 2014 in the Northern Drainage was authorized under 401 Certification File Number 12-001 and the results of the work are reported in “Northern Drainage 2014 Annual Report, Clean Water Act Section 401 Water Quality Certification, File No. 12-001, Cleanup and Abatement Order No. R4-2007-0054, Streambed Alteration Agreement No. 1600-2003-5052-R5, Santa Susana Field Laboratory, Ventura County, California,” (Haley & Aldrich, Inc., [Haley & Aldrich], 2014).

2

2. PROJECT DESCRIPTION AND STATUS This section provides the Northern Drainage Sediment Control and Bank Stabilization project (“Northern Drainage project” or “project”) description and status. Between 2007 and 2010, clay target debris, asbestos debris, and associated impacted soil and sediment were removed from the drainage in response to the California Environmental Protection Agency Department of Toxic Substances Control (DTSC) Imminent and Substantial Endangerment Determination and Order and Remedial Action Order, Santa Susana Field Laboratory, Ventura County, California (CAD 093365435 and CA 1800090010; DTSC, 2007). The LARWQCB also issued a Cleanup and Abatement Order (CAO) No. R4-2007-0054 (LARWQCB, 2007) requiring Boeing to cleanup and abate the effects of contaminants discharged to surface waters in the Northern Drainage during these cleanup activities. An area of erosion and potential bank instability was identified in the Northern Drainage in the area of the asbestos debris removal. In addition, erosion was observed in an unnamed tributary originating from Sage Ranch just east of the fenceline on the east side of the former Liquid Oxygen (LOX) Plant. These two areas were selected for stabilization in 2010. 2.1 Project-related Permits In 2003, Boeing applied for and received a Streambed Alteration Agreement (SAA) from the California Department of Fish and Game (CDFG, currently known as the California Department of Fish and Wildlife) for the Happy Valley Interim Measures project, which consisted of soil, sediment, and bedrock removal from an ephemeral drainage at the Santa Susana site (CDFG, 2003). Due to a similar required removal action in the Northern Drainage, the CDFG approved an SAA amendment that incorporated the Northern Drainage project in 2007. Subsequent amendments extended the term of the SAA through December 2014 (CDFG, 2013). Copies of the SAA and all amendments for the project are provided in Appendix A. The project qualified for coverage under Clean Water Act Section 404 Nationwide Permits 13 and 18 and did not require pre-construction notification to the U.S. Army Corps of Engineers1 (USACE) because the volume of material (riprap) placed below the ordinary high water mark (per Nationwide Permit 13) was less than 10 cubic yards and the extent of material placed along the bank was less than 500 linear feet, with less than or equal to 1 cubic yard of material per foot (per Nationwide Permit 18). No additional permits were obtained for the work conducted in December 2010 and no existing permits were modified for the work. 2.2 Project Construction Activities Construction activities over the past five years are summarized in the following sections. 2.2.1 2010 Construction Activities

To stabilize the south bank of the Northern Drainage, riprap was placed along an approximately 31-foot long section of the drainage just east of the former LOX Plant (Figure 2). The riprap was placed in accordance with stabilization design details provided on Figures 3 and 4. Approximately 15 cubic yards were placed along the south bank; however, no more than

1 A copy of the Certification Application was provided to the U.S. Army Corps of Engineers as a courtesy.

3

approximately 1 cubic foot per linear foot was placed below the ordinary high water mark. Approximately 10 cubic yards of riprap were also placed in two sections of a small unnamed tributary originating from Sage Ranch and running roughly parallel to the fence line on the eastern boundary of the Former LOX Plant and into the Northern Drainage (Figure 2). This material was placed in bulk in the eroded sections and primarily lies below the ordinary high water mark. Both activities took place on 13 December 2010.

Global Positioning System coordinates were obtained at the boundaries of the project area. These coordinates are provided in Table I.

Pre- and post-construction photographs of the project areas are included in Appendix B. It is stated in Attachment A, Item 7 of the 401 Certification that the total acreage expected to be impacted by the project is approximately 0.03 acre. No compensatory mitigation was required due to the small size of the project and because of the continued mitigation requirements specified in the CDFG SAA and the LARWQCB CAO.

2.2.2 2011 Construction Activities

No work was performed under Certification File No. 09-213 in 2011.

2.2.3 2012 Construction Activities No work was performed under Certification File No. 09-213 in 2012.

2.2.4 2013 Construction Activities No work was performed under Certification File No. 09-213 in 2013.

2.2.5 2014 Construction Activities

No work was performed under Certification File No. 09-213 in 2014.

2.3 Project Status and Schedule of Work As no additional work pursuant to this 401 Certification will be performed, Boeing is requesting that the Certification (File No. 09-213) be terminated. As stated in the 2011 Annual Report, should a 401 Certification be required for any additional field activities in the Northern Drainage, Boeing will submit the appropriate certification application forms to the State Water Resource Control Board and LARWQCB. In 2012, additional field activities in the Northern Drainage were warranted and Boeing applied for and received a new 401 Certification from LARWQCB and a new Nationwide Permit from the USACE. All work performed pursuant to the new permits is reported in “Northern Drainage 2014 Annual Report, Clean Water Act Section 401 Water Quality Certification, File No. 12-001, Cleanup and Abatement Order No. R4-2007-0054, Streambed Alteration Agreement No. 1600-2003-5052-R5, Santa Susana Field Laboratory, Ventura County, California,” (Haley & Aldrich, 2014).

4

2.4 Mitigation Monitoring Activities and Exotic Plant Control Efforts Monitoring activities over the past five years are summarized in the following sections. As discussed in Section 2.2.1, Attachment A, Item 7 of the 401 Certification states that the total acreage expected to be impacted by the project is approximately 0.03 acre; therefore, no compensatory mitigation was required due to the small size of the project and no subsequent mitigation monitoring was required. An initial biological survey was performed in 2010 prior to construction activities. 2.4.1 2010 Mitigation Monitoring Activities

On 28 September 2010, a qualified biologist from Padre Associates, Inc., surveyed the project area and approximately 200 additional feet east for sensitive and endangered plants and wildlife. Documented plants included coyote brush, 42 live mulefat, 7 live Mexican elderberry, a few Fremont cottonwoods, and several Coast live oaks. No rare plants were found in the area, which was consistent with previous area surveys. Conservation recommendations made by the biologist were complied with in the field.

2.4.2 2011 Mitigation Monitoring Activities

No mitigation monitoring activities associated with the sediment control and bank stabilization effort were conducted in 2011 under Certification File No. 09-213.

2.4.3 2012 Mitigation Monitoring Activities No mitigation monitoring activities associated with the sediment control and bank stabilization effort were conducted in 2012 under Certification File No. 09-213.

2.4.4 2013 Mitigation Monitoring Activities No mitigation monitoring activities associated with the sediment control and bank stabilization effort were conducted in 2013 under Certification File No. 09-213.

2.4.5 2014 Mitigation Monitoring Activities

No mitigation monitoring activities associated with the sediment control and bank stabilization effort were conducted in 2014 under Certification File No. 09-213.

5

3. WATER QUALITY MONITORING RESULTS Water quality monitoring results are summarized below. 3.1 2010 Monitoring Results The 401 Certification requires that if surface water diversions are installed in the drainage and surface water flows are present, then water quality monitoring and reporting would be required under a surface water diversion plan. However, since surface water was not present during construction activities, no surface water diversions were installed. Surface water flow did not occur in the Northern Drainage during the riprap placement activities on 13 December 2010. Surface water flow occurring in the Northern Drainage later in December 2010 (i.e., during times when no bank stabilization activities were being performed) was sampled and reported in accordance with the requirements of the Santa Susana site’s National Pollutant Discharge Elimination System permit and the LARWQCB CAO. 3.2 2011 Monitoring Results No further work was performed in 2011; therefore water quality monitoring was not required. 3.3 2012 Monitoring Results Work performed in the Northern Drainage in 2012 was authorized by new permits issued by the LARWQCB and USACE. Water quality monitoring results are reported in “Northern Drainage 2012 Annual Report, Clean Water Act Section 401 Water Quality Certification, File No. 12-001, Cleanup and Abatement Order No. R4-2007-0054, Streambed Alteration Agreement No. 1600-2003-5052-R5, Santa Susana Field Laboratory, Ventura County, California,” (Haley & Aldrich, 2012). 3.4 2013 Monitoring Results Work performed in the Northern Drainage in 2013 was authorized by permits issued in 2012 by the LARWQCB and USACE. Water quality monitoring results are reported in “Northern Drainage 2013 Annual Report, Clean Water Act Section 401 Water Quality Certification, File No. 12-001, Cleanup and Abatement Order No. R4-2007-0054, Streambed Alteration Agreement No. 1600-2003-5052-R5, Santa Susana Field Laboratory, Ventura County, California,” (Haley & Aldrich, 2013). 3.5 2014 Monitoring Results Work performed in the Northern Drainage in 2014 was authorized by permits issued in 2012 by the LARWQCB and USACE. Water quality monitoring results are reported in “Northern Drainage 2014 Annual Report, Clean Water Act Section 401 Water Quality Certification, File No. 12-001, Cleanup and Abatement Order No. R4-2007-0054, Streambed Alteration Agreement No. 1600-2003-5052-R5, Santa Susana Field Laboratory, Ventura County, California,” (Haley & Aldrich, 2014).

7

REFERENCES 1. Haley & Aldrich, Inc., 2012. Northern Drainage 2012 Annual Report, Clean Water Act

Section 401 Water Quality Certification, File No. 12-001, Cleanup and Abatement Order No. R4-2007-0054, Streambed Alteration Agreement No. 1600-2003-5052-R5, Santa Susana Field Laboratory, Ventura County, California. (December).

2. Haley & Aldrich, Inc., 2013. Northern Drainage 2013 Annual Report, Clean Water Act Section 401 Water Quality Certification, File No. 12-001, Cleanup and Abatement Order No. R4-2007-0054, Streambed Alteration Agreement No. 1600-2003-5052-R5, Santa Susana Field Laboratory, Ventura County, California. (December).

3. Haley & Aldrich, Inc., 2014. Northern Drainage 2014 Annual Report, Clean Water Act Section 401 Water Quality Certification, File No. 12-001, Cleanup and Abatement Order No. R4-2007-0054, Streambed Alteration Agreement No. 1600-2003-5052-R5, Santa Susana Field Laboratory, Ventura County, California. (December).

4. California Regional Water Quality Control Board, Los Angeles 2007. Cleanup and Abatement Order No. R4-2007-0054 Requiring The Boeing Company, Santa Susana Field Laboratory to Cleanup and Abate the Effects of Contaminants Discharged to Surface Waters, in the Northern Drainage an Ephemeral Stream that Discharges to the Arroyo Simi, a Tributary to Calleguas Creek. (November).

5. California Regional Water Quality Control Board, Los Angeles, 2010. Clean Water Act Section 401 Water Quality Certification for Proposed Northern Drainage Sediment Control and Bank Stabilization Project, Northern Drainage, Simi Hills, Ventura County (File No. 09-213). (March).

6. California Environmental Protection Agency, Department of Toxic Substances Control, 2007. Imminent and Substantial Endangerment Order and Remedial Action Order. (November).

7. California Department of Fish and Game, 2003. Streambed Alteration Agreement Amendment for Happy Valley Interim Measures, Santa Susana Field Laboratory, Ventura County, California. (October).

8. California Department of Fish and Game, 2012. Streambed Alteration Agreement Amendment for Happy Valley Interim Measures, Santa Susana Field Laboratory, Ventura County, California. (July).

9. California Department of Fish and Game, 2012. Streambed Alteration Agreement Amendment for Happy Valley Interim Measures, Santa Susana Field Laboratory, Ventura County, California. (December).

10. California Department of Fish and Game, 2013. Streambed Alteration Agreement Amendment for Happy Valley Interim Measures, Santa Susana Field Laboratory, Ventura County, California. (November).

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TABLE IGLOBAL POSITIONING SYSTEM COORDINATES OF THE NORTHERN DRAINAGE PROJECT AREA2014 ANNUAL COMPLIANCE REPORT, 401 CERTIFICATIONSANTA SUSANA FIELD LABORATORYVENTURA COUNTY, CALIFORNIA

Page 1 of 1

Project Area Easting Northing

Channel 1793293.734 268816.224Channel 1793286.957 268809.824Channel 1793285.545 268818.884Channel 1793269.026 268817.487Channel 1793263.54 268811.104Channel 1793269.955 268807.173Tributary upper (top) 1793198.689 268850.174Tributary upper (bottom) 1793200.559 268828.069Tributary lower (top) 1793205.521 268792.081Tributary lower (bottom) 1793207.536 268771.092

NotesCoordinate system = California state plane, North American Datum of 1927 (NAD27), Zone V

HALEY & ALDRICH, INC.2014_1126_ 401 Cert Annual Report_ND_Table_F.xlsx NOVEMBER 2014

FORMER

LOX

PLANT

BOX CULVERT

LO

O

P T

R

AIL

BOEING

AREA I

NASA

AREA I

LOX DEBRIS AREA

NPDES

OUTFALL 009

AREA NOT

SAFELY

ACCESSIBLE

AREA II

LANDFILL

AREA I

LANDFILL

AMERICAN-JEWISH UNIVERSITY,

BRANDEIS-BARDIN CAMPUS

N

W E

S

0 400 800

SCALE IN FEET

G:\41000_S

SF

L\G

LO

BA

L\C

AD

\D

RA

WIN

GS

\2013-12\41000-125-0002-S

IT

EP

LA

N.D

WG

FIGURE 1

THE BOEING COMPANY

NORTHERN DRAINAGE AREA

SANTA SUSANA FIELD LABORATORY

VENTURA COUNTY, CALFIORNIA

NORTHERN DRAINAGE

SITE PLAN

SCALE: AS SHOWN

NOVEMBER 2014

LEGEND

SSFL PROPERTY BOUNDARY

DRAINAGE CHANNEL

FORMER SHOOTING RANGE DEBRIS REMOVAL

(2008)

LOX DEBRIS REMOVAL(2007)

SSFL ADMINISTRATIVE BOUNDARY LINE

TOPOGRAPHIC CONTOUR INTERVALS

(FEET ABOVE MEAN SEA LEVEL)

NORTHERN DRAINAGE AREA

1

8

0

0

PLANT AREA

FORMER EQUIPMENT ACCESS

UNNAMED TRIBUTARY

NORTHERN DRAINAGE

N

W E

S

0 15 30

SCALE IN FEET

G:\41000_SSFL\GLOBAL\CAD\DRAWINGS\2013-12\41000-125-0002-EROSIONCONTROL.DWG

FIGURE 2

THE BOEING COMPANY

NORTHERN DRAINAGE AREA

SANTA SUSANA FIELD LABORATORY

VENTURA COUNTY, CALFIORNIA

NORTHERN DRAINAGE SEDIMENT

CONTROL AND BANK STABILIZATION

SITE PLAN DESIGN

SCALE: AS SHOWN

NOVEMBER 2014

NOTES:

1. ALL LOCATIONS AND DIMENSIONS

ARE APPROXIMATE

BOEING/NASA

PROPERTY LINE

DRAINAGE CHANNEL

LEGEND

RIP RAP

COAST LIVE OAK

(QUERCUS AGRIFOLIA)

1 INCH HDPE IRRIGATION LINE

FREMONT COTTONWOOD

(POPULUS FREMONTII)

RIPRAP

A

A'

2

1

1746'

1743'

25-YEAR FLOOD

ELEVATION

(1746.3')

EXISTING BANK

FLOW

DIRECTION

TOE OF

BANK

RIPRAP

CREST

A'

A

RIPRAP TOE

BANK CREST

(APPROX.)

TOE OF

BANK

TOE OF

BANK

RIPRAP

FLANK AND

BASE (1)

EXISTING BANK

BANK CREST (1)

SLOPE

TOE OF

BANK

BANK CREST

(APPROX.)

PLAN

VIEW

CROSS

SECTION

EXISTING

BOULDERS

EXISTING

BOULDERS

0 4 8

SCALE IN FEET

G:\41000_SSFL\GLOBAL\CAD\DRAWINGS\2013-12\41000-125-0003_4-DETAIL_A-STONEWEIR.DWG

FIGURE 3

THE BOEING COMPANY

NORTHERN DRAINAGE AREA

SANTA SUSANA FIELD LABORATORY

VENTURA COUNTY, CALIFORNIA

NORTHERN DRAINAGE SEDIMENT

CONTROL AND BANK STABILIZATION

CHANNEL PLAN AND CROSS SECTION

SCALE: AS SHOWN

NOVEMBER 2014

NOTES:

1. SEE FIGURE 4 FOR DETAILS

FLOW

DIRECTION

TOE OF

BANK

RIPRAP FLANKS

A'

A

2

1

1'

1'

RIPRAP BASE

RIPRAP

FLANK

RIPRAP TOE

BANK CREST

(APPROX.)

RIPRAP

CREST

EXISTING BOULDERS

(APPROX.)

RIPRAP TOE

TOE OF BANK

(VARIES)

EXISTING

BANK

RIPRAP

CREST

PLAN

VIEW

CROSS

SECTION

0 5

SCALE IN FEET

G:\41000_SSFL\GLOBAL\CAD\DRAWINGS\2013-12\41000-125-0003_4-DETAIL_A-STONEWEIR.DWG

FIGURE 4

THE BOEING COMPANY

NORTHERN DRAINAGE AREA

SANTA SUSANA FIELD LABORATORY

VENTURA COUNTY, CALIFORNIA

NORTHERN DRAINAGE SEDIMENT

CONTROL AND BANK STABILIZATION

RIPRAP DETAIL

SCALE: AS SHOWN

NOVEMBER 2014

NOTES:

1. RIPRAP FLANKS TO BE EXCAVATED UP TO 1 FOOT INTO EXISTING BANK

OR BEDROCK, WHICHEVER IS LESS. ADJUST FLANK LOCATION IF

NECESSARY TO AVOID DAMAGE TO NATIVE PLANTS.

2. RIPRAP TO BE EXCAVATED UP TO 1 FOOT INTO EXISTING CHANNEL

BOTTOM OR BEDROCK, WHICHEVER IS LESS.

3. CONTRACTOR WILL PLACE CALTRANS

1

4

ton RIPRAP (PERCENT LARGER):

• 0-5% -

1

2

ton

• 50-100% -

1

4

ton

• 95-100% - 75 lb

APPENDIX A

Project-related Permits

State of California - The Natural Resources Agency EDMUND G. BROWN, JR, Governor DEPARTMENT OF FISH AND GAME CHARLTON H. BOHNAM, Director Jeff Humble Ventura, CA 93002 (805) 652-1868 www.dfg.ca.gov

July 3, 2012

Boeing Company Thomas Gallacher 5800 Woolsey Canyon Road, MC 055-T487 Canoga Park, CA 91304 Subject: Extension of Lake or Streambed Alteration Agreement

Notification No. 1600-2003-5052-R5 Northern Drainage Remediation Project

Dear Mr. Gallacher: The Department of Fish and Game (Department) received your request to extend the above referenced Lake or Streambed Alteration Agreement (Agreement) and extension fee. You requested to extend the term of your Agreement from December 1st, 2011 to December 1st, 2012. All terms and conditions in the Agreement remain in effect unless otherwise noted herein. Please sign and return one copy of this letter to acknowledge the extension and additional measures to protect fish and wildlife resources. Copies of the Agreement and this extension must be readily available at project work sites and must be presented when requested by a Department representative or agency with inspection authority.

If you have any questions regarding this matter, please contact Jeff Humble at 805-652-1868 or via email at jhumble@dfg.ca.gov

Sincerely,

Jeff Humble, Environmental Scientist California Department of Fish and Game

Conserving California’s Wildlife Since 1870

State of California -The Natural Resources Agency EDMUND G. BROWN, JR, Governor DEPARTMENT OF FISH AND GAME CHARLTON H. BONHAM, Director Jeff Humble PO Box 1179 Ventura, CA 93002 jhumble@dfg.ca.gov

December 6, 2012 Boeing Company Thomas Gallacher 5800 Woolsey Canyon Road, MC 055-T487 Canoga Park, CA 91304 Subject: Extension of Lake or Streambed Alteration Agreement

Notification No. 1600-2003-5052-R5 Northern Drainage Remediation Project

Dear Mr. Gallacher: The Department of Fish and Game (Department) received your request to extend the above referenced Lake or Streambed Alteration Agreement (Agreement) and extension fee. You requested to extend the term of your Agreement from December 1st, 2012 to December 1st, 2013. The Department hereby agrees to extend the term of the Agreement. All terms and conditions in the Agreement remain in effect unless otherwise noted herein. Copies of the Agreement and this extension must be readily available at project work sites and must be presented when requested by a Department representative or agency with inspection authority.

If you have any questions regarding this matter, please contact Jeff Humble at 805-652-1868 or via email at jhumble@dfg.ca.gov

Sincerely,

Jeff Humble Environmental Scientist

Conserving California’s Wildlife Since 1870

APPENDIX B

Pre- and Post-Construction Photographs

APPENDIX B

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Photograph 1. Oblique view of the eroded portion of the unnamed tributary (2010).

Photograph 2. Riprap placed in the unnamed tributary (2010).

APPENDIX B

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Photograph 3. South bank of the Northern Drainage before the riprap (2010).

Photograph 4. South bank of the Northern Drainage after placement of the riprap (2010).

APPENDIX B

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Photograph 5. Riprap in the unnamed tributary (2011).

Photograph 6. South bank of the Northern Drainage (2011).