28.6 ac

27 ac

9.1 ac

7.9 ac

6.6 ac

5.5 ac

9.3 ac9.1 ac

29.2 ac

3

4

5

6

7

8

Oceano Dunes SVRA 2019

Source: CDPR, Desert Research Institute 7/25/2019

SOA Dust Control Measures

Pre-SOA vegetation project (2014 and 2017)

Existing fenced vegetation islands (186 acres)Wind monitoring towersb CDF b S1

Phillips 66 Lease area

Sand Highway, approx.Open riding and camping area boundary fence

! Marker postNesting exclosurePark boundary

Initial SOA wind fencing projects

0 2,000 4,0001,000Feet ´

Initial SOA straw bales/restoration

Oceano Dunes SVRA 2019

7/29/2019

2018/19 Supplemental Dust Control Restoration Project

2018/2019 supplemental restoration (8.2 acres)Initial SOA wind fencing projectsInitial SOA straw bales/restorationPre-SOA vegetation project (2014 and 2017)Existing fenced vegetation islands (186 acres)

Sand Highway, approx.Open riding and camping area boundary fencePark boundary

0 300 600150Feet ´

Source: CDPR, Desert Research Institute

Exhibit 3: Example 2018 Wind Fence Photographs

Exhibit 3. 2018 wind fencing projects installed at Oceano Dunes SVRA. Partially buried fencing requiring maintenance is visible in the top and lower right photographs.

Exhibit 4: Pier Avenue Trackout Mat

Exhibit 4. Pier Avenue Trackout Mats.

Exhibit 5: Example Monitoring Equipment

Exhibit 5. Example monitoring equipment, including BSNEs (top left), PM10 and wind speed/direction instruments (top right), and meteorological monitoring stations (bottom).

!(

!R

!P

!(

!R

!R

!(

!(

!(

!(

!(

!(

!(!(

!R

!R

S1 Wind Tower

BBQ

CDF

Acacia

CampingForedune Lagrande

Pipeline

Cottonwood

Windfence 2018

Scout

Moymell

Haybale

TabletopPhillips 66

Sodar

4

5

6

7

8

Oceano Dunes SVRA 2019 PMRP

4/11/2019

!( S1 Wind Tower!( Met!R 10m tower+Met!P 10m tower+Met+Sodar

2019 Monitoring Network

Pre-SOA vegetation project (2014 and 2017)Pre-SOA wind fencing project (removed)Initial SOA wind fencing projectsInitial SOA straw bale projectsPotential Foredune Dust Control ProjectExisting fenced vegetation islands (186 acres)

Phillips 66 Lease areaSand Highway, approx.

! Marker postOpen riding and camping area boundary fenceNesting exclosurePark boundary

0 2,000 4,0001,000Feet ´

20.4 ac

9 ac

10.2 ac

2.7 ac

3

4

5

6

7

8

Oceano Dunes SVRA 2019

7/29/2019

2019/20 SOA Dust Control Vegetation Projects

Planned 2019 foredune restoration (21.9 acres)Planned 2019 SOA wind fence restorationInitial SOA wind fencing projectsInitial SOA straw bales/restorationPre-SOA vegetation project (2014 and 2017)Existing fenced vegetation islands (186 acres)

Phillips 66 Lease areaSand Highway, approx.

! Marker postOpen riding and camping area boundary fenceNesting exclosurePark boundary

0 2,000 4,0001,000Feet ´

Source: CDPR, Desert Research Institute

Wind monitoring towersb CDF b S1

20.4 ac

6

Oceano Dunes SVRA 2019

7/29/2019

2019/20 SOA Dust Control Vegetation Project

Planned 2019 SOA wind fence restorationInitial SOA wind fencing projectsInitial SOA straw bales/restorationPre-SOA vegetation project (2014 and 2017)Existing fenced vegetation islands (186 acres)

Sand Highway, approx.! Marker post

Open riding and camping area boundary fencePark boundary

0 500 1,000250Feet ´

Source: CDPR, Desert Research Institute

Ö

Ö

Ö

Ö

Ö

Ö

9 ac

10.2 ac

2.7 ac

5

Oceano Dunes SVRA 2019

7/29/2019

2019/20 SOA Foredune Installation

Planned 2019 foredune restoration (21.9 acres)Initial SOA wind fencing projectsInitial SOA straw bales/restorationPre-SOA vegetation project (2014 and 2017)Existing fenced vegetation islands (186 acres)

Ö Vault toiletsSand Highway, approx.

! Marker postOpen riding and camping area boundary fencePark boundary

0 500 1,000250Feet ´

Source: CDPR, Desert Research Institute