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Investigation Matrix
Summary of Solid Waste Management Unit and Area of Concern Status Table
|
Description |
Estimated Amount Spent (in $1,000 as of July 2001) |
Mapping |
Soil-gas |
Geophysics |
Surface Sampling |
Subsurface Investigation |
Additional Investigation |
Treatability Study |
Remediation (Contaminants) |
Remediation (UXO/Scrap metal) |
Investigation Report |
Draft Recommendations |
Closure Recommended |
Closure Approved by Regulators |
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|
EM |
GPR |
RRS1 |
TRRP |
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|
Powder and ammo burn area (1954). |
$130 |
Feb-95 |
-- |
Feb-95 |
Feb-95 |
-- |
Feb-95 (SB1-3); June-95 (SB1RW); Aug-Sep-96 (SB4-6); Mar-Apr-00 (SB4-6RW) |
Feb-95 (Groundwater sample, SB3) |
-- |
-- |
-- |
Draft Jan-02 |
RRS1 Closure |
X |
|
|
|
|
Small arms ammunition burning area (1954). |
$108 |
May-95 |
Jun-95 |
Feb-95 |
Mar-95 |
-- |
Mar-95 (SB1-5); Jun-95 (SB5RW) |
Mar-95 (SB3,5) |
-- |
-- |
Sep-97 |
Draft Aug-01 |
Removal of metal and UXO from stockpiles, stockpile sampling |
|
|
|
|
|
Landfill area (garbage disposal and burning trash); filled in 1990-91. |
$41 |
May-95 |
Jun-95, Nov-Dec-95 |
Feb-95 |
Feb-95 |
-- |
Mar-95 (SB1-7); Dec 95-Feb-96 (VEWs, VMPs); Apr-00 (RW-VEW7-18) |
Mar-95 (Groundwater sample, SB1) |
Mar-96 Installed SVE system. Currently in operation. |
-- |
-- |
Draft Nov-01 |
Removal of contaminated soil |
|
|
|
|
|
Classified burn area (documents and trash). |
$171 |
Feb-95 |
Jun-Jul-95, Nov-Dec-95 |
Feb-95 |
Feb-95 |
-- |
Mar-95 (SB1-5); Apr-00 (SB6-17) |
Mar-95 (Groundwater sample, SB5) |
-- |
-- |
-- |
Draft Nov-01 |
Removal of waste in trench and confirmation sampling |
|
|
|
|
|
Possible fired small arms ammo brass area. Not located. |
$15 |
Mar-96 |
|
Mar-96 |
-- |
Mar-96 (SS1-3); Mar-00 (SS1-3RW) |
-- |
-- |
-- |
-- |
-- |
Draft Jun-01 |
Additional surface soil sampling to characterize extent of mercury contamination |
|
|
|
|
|
Possible solid waste disposal area. |
$15 |
Mar-96 |
-- |
Mar-96 |
|
Mar-96 (SS1-3); Mar-00 (SS1-3RW) |
-- |
-- |
-- |
-- |
-- |
Draft Nov-01 |
RRS1 Closure |
X |
|
|
|
|
Possible fired small arms ammunition brass disposal area. |
$24 |
Aug-95 |
-- |
May-95 |
-- |
Mar-96 (SS1-3); Mar-00 (SS1-3RW) |
-- |
-- |
-- |
-- |
Mar-97 |
Draft Jun-01 |
RRS1 Closure |
X |
|
|
|
|
Fired small arms ammo brass disposal area (piles of fire bricks, ammo shells). |
$35 |
Aug-95 |
|
Feb-95 |
-- |
Apr-00 (Sift1-3) |
Aug-96 (SB1-3); Mar-00 (SB1-3RW) |
-- |
-- |
-- |
Aug-97 |
Draft Jul-01 |
Remediation of stockpiled and in-situ soils |
|
|
|
|
|
Miscellaneous solid waste (metal and weapons) disposal area. |
$113 |
Feb-96 |
-- |
Nov-99 |
Nov-99 |
-- |
Mar-00 (SB1-3) |
-- |
-- |
-- |
-- |
in progress |
(probably not closure) |
|
|
|
|
|
Ammunition disposal area. |
$68 |
Jul-95 |
Jul-95; Aug-96 |
Mar-Apr-96 |
-- |
-- |
-- |
-- |
-- |
Aug-97 |
Aug-97 |
in progress |
-- |
|
|
|
|
|
Miscellaneous solid waste disposal (ammo, scrap metal, const. debris). |
$57 |
Aug-95 |
Jul-95 (see AOC 38) |
Apr-95 |
-- |
-- |
Feb-00 (SB1-5) |
-- |
-- |
-- |
-- |
Draft Oct-01 |
Removal of waste in trench and confirmation sampling |
|
|
|
|
|
Landfill, WPA trash when igloos were being built. |
$44 |
May-95 |
-- |
May-95 |
-- |
-- |
Aug-Sep-96 (SB1-4); Mar-00 (SB1-4RW) |
-- |
-- |
-- |
-- |
Draft Oct-01 |
Removal of waste and confirmation sampling |
|
|
|
|
|
Trash dump area. |
$44 |
Mar-96 |
-- |
Mar-Apr-96 |
-- |
-- |
Aug-96 (SB1-4); May-97 (SB1-2); Mar-00 (SB1-4-RW) |
-- |
-- |
-- |
-- |
Draft Oct-01 |
Excavation of waste and verification surface sampling. |
|
|
|
|
|
Possible fired brass area - not located. |
$6 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
Letter requesting that this site be delisted was sent to TNRCC. |
-- |
|
|
|
|
|
Landfill (target vehicles, weapons mounts). |
$78 |
Mar-95 |
Aug-96 |
Mar-95, Aug-99 |
Mar-95, Aug-99 |
Mar-00 (SB1-9) |
Mar-00 (SB1-9) |
-- |
-- |
-- |
-- |
Draft Aug-01 |
Removal of buried metal debris and confirmation sampling |
|
|
|
|
|
Solid waste disposal area (metals and weapons). |
$133 |
Feb-95 |
-- |
Feb-95 |
Feb-95 |
-- |
Feb-95 (SB1-3); Jun-95 (SB1-3RW); Aug-Sep-96 (SB4-6), Mar-00 (SB4-6RW) |
Feb-95 (Groundwater sample, S3); Jun-95 (Groundwater samples SB1-3RW) |
-- |
-- |
-- |
Draft Nov-01 |
RRS1 Closure |
X |
|
|
|
|
Former OB/OD area. |
$1,116 |
Mar-94 |
-- |
Dec-94 |
-- |
Dec-94 (SS1-43); Sep-95 (SS44-60); |
Dec-94 (SB1-10); Sep-95 (SB11-13); Mar-00 (SB1-8RW) |
-- |
Underway |
Jul-99; Aug-01 (PIMS) |
Dec-95; Sep-95; Jan-May-97 |
Draft Aug-01 |
Remediation of stockpiled and in-situ soils |
|
|
|
|
|
Ammunition disposal areas. |
$6 |
Mar-94 |
-- |
-- |
-- |
Dec-94 |
-- |
-- |
-- |
Jul-99 |
Jul-99 |
Combined with B-20 |
See B-20 |
|
|
|
|
|
Burn area (artillery shells). |
$22 |
Feb-Mar-95 |
-- |
Feb-Mar-95 |
-- |
Mar-96 (SS1-5); Mar-00 (SS1-5-RW) |
-- |
-- |
-- |
-- |
-- |
Draft Jul-01 |
RRS1 Closure |
X |
|
|
|
|
Disposal trenches (two green canisters). |
$41 |
Mar-95 |
Aug-96 |
Mar-95 |
-- |
-- |
Mar-00 (SB1-3) |
-- |
-- |
-- |
-- |
Draft Oct-01 |
Removal of waste in trench and confirmation sampling |
|
|
|
|
|
Disposal Trench (glass ampoules of liquid). |
$41 |
Mar-95 |
-- |
Mar-95 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
in progress |
-- |
|
|
|
|
|
Spent ammo/rockets area. |
$376 |
Mar-95 |
-- |
Mar-95 |
Mar-95 |
Mar-00 (SB1-5) |
Mar-00 (SB1-5) |
-- |
Underway |
-- |
Mar-Sept-97 |
Draft Aug-01 |
Remediation of stockpiled and in-situ soils |
|
|
|
|
|
Possible disposal trench. |
$38 |
Mar-96 |
-- |
Mar-96 |
-- |
Mar-96 (SS1-3); Mar-00 (SS1-3RW) |
Sep-96 (SB1-3); Mar-00 (SB1-3RW) |
-- |
-- |
-- |
-- |
Draft Sep-01 |
TRRP Closure - APAR |
|
X |
|
|
|
Possible disposal trench. |
$41 |
Mar-96 |
-- |
Mar-96 |
-- |
Mar-96 (SS1-3); Mar-00 (SS1-3RW) |
Sep-96 (SB1-3); Mar-00 (SB1-3RW) |
-- |
-- |
-- |
-- |
Draft Nov-01 |
Excavation of test pit |
|
|
|
|
|
Sanitary landfill, consisting of 5-6 trenches (6 ft deep, 3 ft wide). |
$38 |
Mar-96 |
-- |
Mar-96 |
-- |
Mar-96 (SS1-3); Mar-00 (SS1-3RW) |
Aug-96(SB1-3); Mar-00 (SB1-3RW) |
-- |
-- |
-- |
-- |
Draft Oct-01 |
Removal of waste and confirmation sampling |
|
|
|
|
|
Disposal trenches (molten metal, ammo, ammo parts). |
$193 |
Feb-95 |
Jun-95 |
Feb-95 |
Feb-95 |
Feb-95 (SB1-6) |
Feb-95 (SB1-6) |
Feb-97 |
Underway |
-- |
Jun-97 |
Draft Aug-01 |
Remediation of stockpile soils |
|
|
|
|
|
Solid waste disposal area (in old quarry). |
$64 |
Mar-96 |
-- |
Mar-96 |
-- |
Mar-96 (SS1-4); Mar-00 (SS1-4RW) |
Aug-96 (SB1-6); Mar-00(SB1-RW) |
-- |
-- |
-- |
-- |
Draft Nov-01 |
Removal of waste on ground surface and limestone embankment walls, followed by verification sampling |
|
|
|
|
|
Solid waste disposal area. |
$38 |
Mar-96 |
-- |
Mar-96 |
-- |
Mar-96 )SS1-3); Mar-00 (SS1-3RW) |
Aug-96 (SB1-3); Mar-00 (SB1-3RW) |
-- |
-- |
-- |
-- |
Draft Oct-01 |
Removal of waste and confirmation sampling |
|
|
|
|
|
Lead shot/sand pipe bedding. |
$57 |
Mar-96 |
-- |
Mar-96 |
-- |
Mar-96 (SS1-3); Mar-00 (SB1-3) |
Aug-96 (SB1-3); Mar-00 (SB1-3RW) |
Jul-97 |
-- |
-- |
-- |
Draft Aug-01 |
RRS1 Closure |
X |
|
|
|
|
Lead shot/sand pipe bedding. |
$65 |
Jul-95 |
Jul-95 |
Mar-96 |
-- |
Mar-96(SS1-3); Mar-00 (SS1-3RW) |
Aug-96 (SB1-3); Mar-00 (SB1-3RW) |
-- |
-- |
-- |
-- |
Draft Nov-01 |
TRRP Closure - APAR |
|
X |
|
|
|
Lead shot/sand pipe bedding |
$65 |
Mar-96 |
-- |
Mar-96 |
-- |
Mar-96 (SS1-3); Mar-00 (SS1-3RW) |
May-97 (SB1-3); Mar-00 (SB1-3RW) |
|
-- |
Jul-97 |
-- |
Draft Oct-01 |
TRRP Closure - APAR |
|
X |
|
|
|
Maintenance pit floor drain and discharge point. |
$38 |
Jul-95 |
Jul-95 |
Mar-96 |
-- |
Mar-96 (SS1-3); Mar-00 (SS1-3RW) |
Aug-96(SB1-3); Mar-00 (SB1-3RW) |
-- |
-- |
-- |
-- |
Draft Jan-02 |
Additional sampling to determine extent of contamination, followed by remediation/disposal of contaminated soil |
|
|
|
|
|
Livestock area. Inner cantonment, SW of Well 16. |
$0 |
Mar-95 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Inactive makeshift ammo demolition facility. |
$61 |
Jul-95 |
Jul-95 |
Mar-Apr-96 |
Mar-Apr-96 |
-- |
Feb-Mar-00 (SB1-6) |
-- |
-- |
-- |
-- |
in progress |
(Surface excavation, confirmation sampling) |
|
|
|
|
|
Dud ammunition disposal area. |
$131 |
|
-- |
-- |
-- |
Mar-00 (SB1-3) |
Mar-00 (SB1-3) |
-- |
Underway |
-- |
Feb-May-97 |
in progress |
Remediation of stockpiled and in-situ soils |
|
|
|
|
|
Hazardous waste storage area (<90-day). |
$72 |
-- |
-- |
-- |
-- |
Apr-94 (SS1-7) |
Sep-92 (SB1-10) |
-- |
-- |
Jun-94, Feb-95 Disposed of IDW under TNRCC guidance |
-- |
-- |
Site closure approved. |
|
|
Nov-95 |
|
|
Inactive incinerator (built in 1943), currently used for transformer storage. |
$61 |
Mar-96 |
Aug-96 |
Mar-96 |
-- |
Apr-00 (SS103) |
Mar-00 (SB1-3) |
-- |
-- |
-- |
-- |
in progress |
(Additional work) |
|
|
|
|
|
Waste liquid/sludge oxidation pond (1975). |
$560 |
Feb-95 |
Jun-95; Aug-96 |
Feb-95 |
-- |
Nov-95 (SS1) |
Mar-95 (SB1-4); Nov-99 (SB5-24); Apr-00 (SB25-29) |
Mar-95 (3 surface samples) |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Coal bins (no longer in use). |
$6 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
Letter requesting that this site be delisted was sent to TNRCC. |
-- |
|
|
|
|
|
Area immediately around Well 16. Northeast area of inner cantonment. |
$33 |
Jun-Jul-95 |
Jun-Jul-95 |
Feb-95; Dec-99 |
Feb-95; Dec-99 |
Apr-00 (SS1-5) |
-- |
-- |
-- |
-- |
-- |
Draft Jan-02 |
RRS1 Closure |
X |
|
|
|
|
Area between Well 16 and B-3. Possible buried mustard gas canisters location verified as not present by magnetometer survey (1997). Southeast of Well 16. |
$19 |
Mar-95 |
Jul-95 |
Mar-95 |
Mar-95 |
Jan-00 (SS1-10) |
-- |
Feb-97 |
-- |
-- |
-- |
Draft Sep-01 |
RRS1 Closure |
X |
|
|
|
|
Livestock area. NW of Well 16 and N of Well D. |
$17 |
May-95 |
Dec-99 |
May-95 |
May-95 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Livestock area. Inner cantonment, SW of Well 16. |
$50 |
Mar-95 |
Jul,Nov-95 |
Mar-95 |
-- |
Jan-00 (SS1-60) |
-- |
-- |
-- |
-- |
-- |
Draft Sep-01 |
Investigate anomaly |
|
|
|
|
|
None. Area west of Well 16 between North Outer Rd and cantonment fence. |
$18 |
Mar-95 |
Jul-95 |
Mar-95 |
-- |
Jan-00 (SS1-60) |
-- |
-- |
-- |
-- |
-- |
Draft Sep-01 |
RRS1 Closure |
X |
|
|
|
|
None. Area east of Well 16 between North Outer Rd and cantonment fence. |
$18 |
Mar-95 |
Jul-95 |
Mar-95 |
-- |
Jan-00 (SS1-5) |
-- |
-- |
-- |
-- |
-- |
Draft Sep-01 |
RRS1 Closure |
X |
|
|
|
|
Gate area east of well 16. North Pasture, north of gate 6. |
$27 |
May-95 |
Jun-Jul-95; Dec-99 |
May-95 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
None. South of SWMUs B-28 and B-19, west of B-4. |
$33 |
May-95 |
Jun-Jul-95 |
May-95 |
-- |
Mar-01(SS1-9) |
Mar-01(1-9) |
-- |
-- |
-- |
-- |
in progress |
-- |
|
|
|
|
|
Shallow trench without mounds. Metal, UXO. Located 50 ft south of B-7. |
$33 |
Dec-99 |
-- |
Dec-99 |
-- |
Mar-01(SS1-3) |
-- |
-- |
-- |
-- |
-- |
in progress |
-- |
|
|
|
|
|
Fox holes and trenches. UXO includes Stokes mortars and 20-lb bombs. Located south of B-9 along west slope of hill. |
$0 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Flat area with spent and undamaged bullets. Located east of B-31, near bend in road. |
$0 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Bermed area with stockpile of lead shot and sand. Located south of Engineering on east side of Thompkins Road. |
$0 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Area of trenches and mounds (similar to B-15/16). South of B-15/16, in SW area of East Pasture. |
$73 |
Aug-99 |
Aug-96 (see B-15/16) |
Aug-99 |
Aug-99 |
Jun-00 (SS1-3) |
-- |
-- |
-- |
-- |
-- |
Draft Sep-01 |
RRS1 Closure |
X |
|
|
|
|
Three N-S trending mounds and a construction debris pile. Located north of B-15/16. |
$73 |
-- |
Aug-96 (see B-15/16) |
Jul-Aug-99 |
Jul-Aug-99 |
Jun-00 (SS1-3) |
-- |
-- |
-- |
-- |
-- |
Draft Oct-01 |
RRS1 Closure |
X |
|
|
|
|
Trench (4 x 7 ft) without surficial debris. Located SW of deer stand 41 in central East Pasture. |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Area with orange discolored material (most likely nickel penetrate) at ground surface. South of B-30 along gravel road. |
$63 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
East pasture, east of active range, approximately 25 acres, area around B-9. |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
Feb-97 (UXO clearance) |
-- |
-- |
|
|
|
|
|
Area west of B-4 towards Salado Creek near trees, two trenches. |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Building foundation near B-27 at Central Road and road to "D" Tank, batteries at rear of slab. |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Area near gutting pit, east of Welding Shop Building, right side of road batteries were stored in the area. |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Landfill, south of Tenberg Drive, east of Salado Creek. |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Landfill, at intersection of Bernard Road and East Outer Road, surface depression on south side of intersection. |
$73 |
Aug-99 |
-- |
Aug-99 |
Aug-99 |
Jan-00 (SS1-3) |
-- |
-- |
-- |
-- |
-- |
Draft Sep-01 |
Investigate anomaly |
|
|
|
|
|
East of Building 98 and KOA Area, cleaning/maintenance activities performed at temporary structures. |
-- |
-- |
Jan-Feb-01 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Suspected disposal trench within Inner Cantonment. |
$73 |
Aug-99 |
-- |
Aug-99 |
Aug-99 |
Jan-00 (SS1-3) |
-- |
-- |
-- |
-- |
-- |
Draft Jun-01 |
Investigate anomaly |
|
|
|
|
|
Trench-type anomaly located west Test Pad in the East Pasture. |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Trench located west of tunnel and entrance roadway in the East Pasture. |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Suspected landfill. |
$73 |
Aug-99 |
-- |
Aug-99 |
Aug-99 |
Jan-00 (SS1-3) |
-- |
-- |
-- |
-- |
-- |
Draft Sep-01 |
RRS1 Closure |
X |
|
|
|
|
Located west of monitoring well MW-2 and east of Salado Creek. |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Area consisting of 3 barrels containing rocks, south of deer stand 41 in the East Pasture. |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
Area east of SWMU B-4; flares observed in the area. |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
|
|
|
|
A concrete pit area that housed a metal vat that contained TCE and PCE. |
$201 |
Mar-00 |
Jan-Feb-01 |
-- |
-- |
-- |
Mar-00 (SB1); Mar-Apr-01 (SB2-13, MW1-4) |
-- |
-- |
-- |
-- |
in progress |
(further characterization of COC plumes) |
|
|
|
|
|
Area north of Well 16 in the outer cantonment. |
$44 |
Dec-99 |
Dec-99 |
-- |
-- |
-- |
-- |
-- |
-- |
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Concrete pad near Building 90 housed a vat containing cleaning solvents. |
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Apr-01 (SB1-3) |
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Area includes metal slag/debris storage area from Wheelabrator operations next to Building 90-2. |
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Located on west side of CSSA. |
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Building used to mix pesticides. Near Building 1. |
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Area containing concrete, possible asbestos. Located east of Building 94, in SW CSSA. |
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Ranch landfill with overgrown trenches. Near Well I1, in northwest corner of CSSA. |
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Trash removed by CSSA personnel: barbed wire, rusted razor blades, broken glass. |
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