Appendix B
Waste Area Group 5
Phase II As-Built Drawings
B-1
B-2
Appendix B
Waste Area Group 5 As-Built Drawings
The following is a sketch change summary.
Sketch C-2 No Revision
Turnaround area and the eastern/northeastern half of the SL-1 burial ground prior to remediation.
Sketch C-2 Revision 1
Reflects a reduction in the contaminated soil footprint in the turnaround area and soils within and
surrounding the SL-1 burial ground following the removal of a 7.6-cm (3-in.) layer outside of the burial
ground and a 15.2-cm (6-in.) layer within the burial ground.
Sketch C-2 Revision 2
Reflects a further reduction in the contaminated soil footprint in the turnaround area following the
removal of a second 7.6-cm (3-in.) layer.
Sketch C-2 Revision 3
Reflects the completed removal of contaminated soil in the turnaround area following the removal of a
15.2-cm (6-in.) layer.
Sketch C-2 Revision 4
Reflects a minor reduction in the footprint of a contaminated soil spot within the SL-1 burial ground
following the removal of a second 15.2-cm (6-in.) layer.
Sketch C-3 No Revision
Area surrounding the SL-1 burial ground prior to remediation.
Sketch C-3 Revision 1
Reflects a reduction in the contaminated soil footprint in the areas to the west/southwest and the
south/southeast sides of the SL-1 burial ground following the removal of a 7.6-cm (3-in.) layer.
Sketch C-3 Revision 2
Reflects a reduction in the contaminated soil footprint in the areas to the east/northeast and
north/northwest sides of the SL-1 burial ground following the removal of a 7.6-cm (3-in.) layer and a
reduction in the footprint within the SL-1 burial ground following the removal of a 15.2-cm (6-in.) layer.
Sketch C-3 Revision 3
Reflects a minor reduction in the contaminated soil footprint in the area in the easternmost corner of the
SL-1 burial ground following the removal of a 15.2-cm (6-in.) layer.
B-3
Sketch C-3 Revision 4
Reflects the completion of the removal of contaminated soil in the area in the easternmost corner of the
SL-1 burial ground and a revision in the contaminated soil footprint at the western end and the central
eastern end of the burial ground following the removal of a second 15.2-cm (6-in.) layer.
Sketch C-3 Revision 5
Reflects the completed removal of contaminated soil in the turnaround area following the removal of a
15.2-cm (6-in.) layer and a reduction in the contaminated soil footprint at the western end of the SL-1
burial ground following the removal of a third 15.2-cm (6-in.) layer.
Sketch C-3 Revision 6
Reflects a reduction in the contaminated soil footprint at the western end and the central eastern end of the
SL-1 burial ground following subsequent removals of 15.2-cm (6-in.) layers.
Sketch C-3 Revision 7
Reflects a reduction in the contaminated soil footprint at the western end of the SL-1 burial ground
following the removal of a fifth 15.2-cm (6-in.) layer.
Sketch C-4 No Revision
SL-1 Haul Road and windblown area prior to remediation.
Sketch C-4 Revision 1
Reflects a reduction in the contaminated soil footprint at the southeastern corner of the ARA-II facility in
the windblown area following the removal of a 7.6-cm (3-in.) layer.
Sketch C-4 Revision 2
Reflects a reduction in the contaminated soil footprint in the northwestern portion of the windblown area
following the removal of a 7.6-cm (3-in.) layer.
Sketch C-4 Revision 3
Reflects a reduction in the contaminated soil footprint in the western portion of the windblown area
following the removal of a 7.6-cm (3-in.) layer and some contaminated rock.
Sketch C-4 Revision 4
Reflects a reduction in the contaminated soil footprint in the northwestern portion of the windblown area
following the removal of a 7.6-cm (3-in.) layer and along the SL-1 Haul Road following the removal of a
15.2-cm (6-in.) layer.
Sketch C-4 Revision 5
Reflects a reduction in the contaminated soil footprint in the southeastern portion of the windblown area
following the removal of a 7.6-cm (3-in.) layer.
B-4
Sketch C-4 Revision 6
Reflects a reduction in the contaminated soil footprint in the western portion of the windblown area
following the removal of a subsequent 7.6-cm (3-in.) layer and along the northeastern portion of the SL-1
Haul Road following the removal of a subsequent 7.6-cm (3-in.) layer.
Sketch C-4 Revision 7
Reflects a reduction in the contaminated soil footprint in the northwestern portion of the windblown area
following the removal of a subsequent 7.6-cm (3-in.) layer and along the western portion of the SL-1
Haul Road following the removal of a subsequent 7.6-cm (3-in.) layer.
Sketch C-4 Revision 8
Reflects a reduction in the contaminated soil footprint in the eastern portion of the windblown area
following the removal of a 7.6-cm (3-in.) layer and the southern corner of the windblown area following
the removal of a subsequent 7.6-cm (3-in.) layer.
Sketch C-4 Revision 9
Reflects a reduction in the contaminated soil footprint in the northeastern portion of the SL-1 Haul Road
following the removal of a subsequent 7.6-cm (3-in.) layer.
Sketch C-4 Revision 10
Reflects a reduction in the contaminated soil footprint in the southeastern portion of the windblown area
following the subsequent removal of a 7.6-cm (3-in.) layer and a minor reduction in the contaminated soil
footprint in the south-central portion of the windblown area, also following the subsequent removal of a
7.6-cm (3-in.) layer.
Sketch C-4 Revision 11
Reflects a reduction in the contaminated soil footprint in the central portion and the northwestern portion
of the windblown area following the subsequent removal of a 7.6-cm (3-in.) layer and a minor reduction
in the contaminated soil footprint along the SL-1 Haul Road following the subsequent removal of a
7.6-cm (3-in.) layer.
Sketch C-4 Revision 12
Reflects a minor reduction in the contaminated soil footprint in the northwestern portion of the
windblown area following the subsequent removal of a 7.6-cm (3-in.) layer and a minor reduction in the
contaminated soil footprint along the SL-1 Haul Road along with a revision in the contaminated soil
footprint following the subsequent removal of a 7.6-cm (3-in.) layer.
Sketch C-4 Revision 13
Reflects a reduction in the contaminated soil footprint in the northwestern portion of the windblown area
following the subsequent removal of a 7.6-cm (3-in.) layer.
B-5
Sketch C-4 Revision 14
Reflects a minor reduction in the contaminated soil footprint in the southwestern portion of the
windblown area following the subsequent removal of a 7.6-cm (3-in.) layer.
Sketch C-4 Revision 15
Reflects a minor reduction in the contaminated soil footprint in the southwestern portion of the
windblown area following the subsequent removal of a 7.6-cm (3-in.) layer and the northeastern end of
the SL-1 Haul Road following the subsequent removal of a 7.6-cm (3-in.) layer.
Sketch C-4 Revision 16
Reflects a minor reduction in the contaminated soil footprint in the southwestern portion of the
windblown area following the subsequent removal of a 7.6-cm (3-in.) layer and additional excavation of
contaminated rock.
Sketch C-4 Revision 17
Reflects a reduction in the contaminated soil footprint in the southwestern portion of the windblown area
following the subsequent removal of a 7.6-cm (3-in.) layer and additional excavation of contaminated
rock, in the northwestern portion of the windblown area following the subsequent removal of a 7.6-cm
(3-in.) layer, and the northeastern end of the SL-1 Haul Road following the subsequent removal of a
7.6-cm (3-in.) layer.
Sketch C-5 No Revision
ARA-I and ARA-II facilities prior to remediation.
Sketch C-5 Revision 1
Reflects a reduction in the contaminated soil footprint along the northeastern portion of the ARA-I facility
following the removal of a 7.6-cm (3-in.) layer and between the ARA-I facility and Fillmore Boulevard
following the removal of a 7.6-cm (3-in.) layer.
Sketch C-5 Revision 2
Reflects a reduction in the contaminated soil footprint along the southeastern and southwestern edges of
the ARA-II facility fence following the removal of a 7.6-cm (3-in.) layer.
Sketch C-5 Revision 3
Reflects a reduction in the contaminated soil footprint along the southeastern and southwestern edges of
the ARA-II facility and along the northeastern portion of the ARA-I facility following the subsequent
removal of a 7.6-cm (3-in.) layer.
Sketch C-5 Revision 4
Reflects a reduction in the contaminated soil footprint northwest and across Fillmore Boulevard from the
ARA-II facility following the removal of a 7.6-cm (3-in.) layer and the updated contamination boundaries
in the vicinity of the ARA-I facility following the move of the CERCLA storage unit containing the
ARA-16 tank sludge that had been located on the southeastern edge of that facility.
B-6
Sketch C-5 Revision 5
Reflects a reduction in the contaminated soil footprint on the southwestern corner of the ARA-II facility
following the removal of a 15.2-cm (6-in.) layer and two minor reductions in the footprint at the northern
and western corners of the ARA-II facility following the removal of a 7.6-cm (3-in.) layer.
Sketch C-5 Revision 6
Reflects a reduction in the contaminated soil footprint to the northwest of the ARA-II facility following
the removal of a 7.6-cm (3-in.) layer and a reduction in the footprint within the ARA-II facility following
the removal of a 15.2-cm (6-in.) layer.
Sketch C-5 Revision 7
Reflects a reduction in the contaminated soil footprint within the ARA-II facility following the
subsequent removal of a 15.2-cm (6-in.) layer.
Sketch C-5 Revision 8
Reflects a reduction in the contaminated soil footprint to the northwest and west of the ARA-II facility
following the subsequent removal of a 7.6-cm (3-in.) layer, a reduction in the footprint within the ARA-II
facility following the subsequent removal of a 15.2-cm (6-in.) layer, and a reduction in the footprint
within the ARA-I facility following the removal of a 7.6-cm (3-in.) layer.
Sketch C-5 Revision 9
Reflects a reduction in the contaminated soil footprint to the northwest of the ARA-II facility following
the subsequent removal of a 7.6-cm (3-in.) layer, a reduction inn the footprint within the ARA-II facility
following the subsequent removal of a 15.2-cm (6-in.) layer, and a reduction in the footprint along the
southeastern edge of the ARA-II facility following the removal of a berm. This sketch also represents a
change in the presentation of the construction drawings in that the lines representing the contaminated
soils exceeding the 23-pCi/g remediation goal have been removed with just the lines of excavation
included in an effort to simplify the drawings that were becoming more complicated.
Sketch C-5 Revision 10
Reflects a reduction in the contaminated soil footprint within the ARA-II facility following the
subsequent removal of a 15.2-cm (6-in.) layer.
Sketch C-5 Revision 11
Reflects a reduction in the contaminated soil footprint within the ARA-II facility following the
subsequent removal of a 15.2-cm (6-in.) layer.
Sketch C-5 Revision 12
Reflects a reduction in the contaminated soil footprint to the northwest of the ARA-II facility following
the subsequent removal of a 7.6-cm (3-in.) layer and a reduction in the footprint in the area between the
ARA-I facility and Fillmore Boulevard following the subsequent removal of a 7.6-cm (3-in.) layer.
B-7
Sketch C-5 Revision 13
Reflects a reduction in the contaminated soil footprint within the ARA-II facility following the
subsequent removal of a 15.2-cm (6-in.) layer.
Sketch C-5 Revision 14
Reflects a revision in the contaminated soil footprint along the southeastern portion of the ARA-I facility
following the subsequent removal of a 7.6-cm (3-in.) layer.
Sketch C-5 Revision 15
Reflects a reduction in the contaminated soil footprint to the northwest of the ARA-II facility following
the subsequent removal of a 7.6-cm (3-in.) layer and within the ARA-II facility following the subsequent
removal of a 15.2-cm (6-in.) layer.
Sketch C-5 Revision 16
Reflects a reduction in the contaminated soil footprint within the ARA-II facility following the
subsequent removal of a 15.2-cm (6-in.) layer and along the southeastern portion of the ARA-I facility
following the subsequent removal of a 7.6-cm (3-in.) layer.
Sketch C-5 Revision 17
Reflects a reduction in the contaminated soil footprint within the ARA-II facility following the
subsequent removal of a 15.2-cm (6-in.) layer and within the ARA-I facility following the subsequent
removal of a 7.6-cm (3-in.) layer. At this point, excavation in the vicinity of the SL-1 foundation
proceeded to basalt with some removal of the basalt.
Sketch C-5 Revision 18
Reflects a reduction in the contaminated soil footprint within the ARA-I facility following the subsequent
removal of a 7.6-cm (3-in.) layer.
Sketch C-5 Revision 19
Reflects a reduction in the contaminated soil footprint along the northeastern portion of the ARA-II
facility following the subsequent removal of a 15.2-cm (6-in.) layer.
Sketch C-5 Revision 20
Reflects a reduction in the contaminated soil footprint within the ARA-I facility following the subsequent
removal of a 7.6-cm (3-in.) layer.
Sketch C-6 No Revision
Washdown area prior to remediation
Sketch C-6 Revision 1
Reflects a reduction in the contaminated soil footprint in the washdown area following the removal of a
7.6-cm (3-in.) layer.
B-8
Sketch C-6 Revision 2
Reflects a reduction in the contaminated soil footprint in the washdown area following the subsequent
removal of a 7.6-cm (3-in.) layer.
Sketch C-6 Revision 3
Reflects a reduction in the contaminated soil footprint in the washdown area following the subsequent
removal of a 7.6-cm (3-in.) layer.
Sketch C-6 Revision 4
Reflects a reduction in the contaminated soil footprint in the washdown area following the subsequent
removal of a 7.6-cm (3-in.) layer.
Sketch C-6 Revision 5
Reflects a reduction in the contaminated soil footprint in the washdown area following the subsequent
removal of all soil along the edge of a basalt outcrop.
Sketch C-7 No Revision
ARA-01 evaporation pond prior to remediation
Sketch C-8 No Revision
ARA-12 pond prior to remediation
Sketch C-8 Revision 1
Reflects a reduction in the contaminated soil footprint following the removal of a 7.6-cm (3-in.) layer
across the majority of the pond and removal of the contaminated basalt outcroppings along the
southwestern end of the pond.
B-9
B-10
B-11
B-12
B-13
B-14
B-15
B-16
B-17
B-18
B-19
B-20
B-21
B-22
B-23
B-24
B-25
B-26
B-27
B-28
B-29
B-30
B-31
B-32
B-33
B-34