Evidence
8 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-8).
-
[1]U.S. Coast Guard Historian's Office, Chilula, 1956 (WMEC-153), 2020-11-30 [other_primary]
- Locator
- Cutter History paragraphs 3 and 5
- Finding type
- vessel_history
- Finding
- The Coast Guard converted the former Navy tug for cutter service at its Curtis Bay, Maryland, yard in 1956. Chilula was first WAT-153, then WATF-153, and was redesignated WMEC-153 on 1966-05-01.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-26
- Study period
- 1956-1966
- Limitations
- Documents a conversion and designations, but gives no work package, insulation specification, asbestos survey, or abatement record. Conversion does not establish exposure.
- Atlas source
- true
- Evidence ID
- ev-uss-chilula-at153-03
-
[2]Federal Register, 9 Fed. Reg. 1109 (1944-02-01), wartime asbestos conservation order [federal_register]
- Locator
- Page 1109, amosite insulation and compressed asbestos sheet packing provisions
- Finding type
- asbestos_application
- Finding
- A February 1944 War Production Board regulation lists flexible amosite pipe insulation for use on ships and compressed asbestos sheet packing among regulated wartime asbestos materials.
- Verification
- verified
- Role
- context
- Documentation level
- class_or_era
- Accessed
- 2026-09-26
- Study period
- 1944
- Population
- U.S. wartime shipbuilding program
- Limitations
- Wartime shipbuilding and material-supply context only. The regulation does not identify Cherokee-class tugs or Chilula, and does not establish installation, disturbance, individual exposure, or causation on this hull.
- Atlas source
- true
- Evidence ID
- ev-uss-chilula-at153-04
-
[3]National Archives, Ship Plan Index, CHILULA entries [other_primary]
- Locator
- CHILULA ATF-153, WATF-153, WMEC-153 index entries
- Finding type
- historical_record
- Finding
- NARA's Ship Plan Index lists Chilula ATF-153 in RG 19 Alphabetical Ship Drawings and Chilula WATF-153/WMEC-153 in RG 26 Cutter Plans After 1915.
- Verification
- verified
- Role
- archival_lead
- Documentation level
- ship_specific
- Accessed
- 2026-09-26
- Study period
- 1944-1991 records
- Limitations
- Index entries confirm drawing series, not drawing contents. The drawings were not retrieved and cannot support an asbestos finding until inspected.
- Atlas source
- true
- Evidence ID
- ev-uss-chilula-at153-05
-
[4]National Archives, New Accessions: FY2020 Q2 and FY2017 Q4 [other_primary]
- Locator
- Unit Logs - Chilula, 1985-1987, LTI-0026-2018-0112; 1990-1991, LTI-0026-2017-0052 at https://www.archives.gov/research/accessions/2017-quarter-4
- Finding type
- historical_record
- Finding
- NARA lists unrestricted Coast Guard Chilula (WMEC-153) unit logs for 1985-1987 and 1990-1991 in accession notices.
- Verification
- verified
- Role
- archival_lead
- Documentation level
- ship_specific
- Accessed
- 2026-09-26
- Study period
- 1985-1991
- Limitations
- Accession notices only; logs were not examined. NARA explains that logs can locate work periods but do not themselves identify asbestos materials.
- Atlas source
- true
- Evidence ID
- ev-uss-chilula-at153-06
-
[5]National Archives, Researching Asbestos aboard US Naval Vessel up through 1961 [other_primary]
- Locator
- Continuing Research, Cartographic Branch; S39 and S48 filing codes
- Finding type
- historical_record
- Finding
- NARA directs vessel-asbestos researchers to RG 19 ship engineering drawings and specification files; S39 insulation and lagging and S48 piping are relevant drawing categories.
- Verification
- verified
- Role
- archival_lead
- Documentation level
- context_only
- Accessed
- 2026-09-26
- Study period
- Research guide reviewed 2022
- Limitations
- Research guidance only. No Chilula S39/S48 drawing or specification has been examined, and the guide does not state that this hull contained asbestos.
- Atlas source
- true
- Evidence ID
- ev-uss-chilula-at153-07
-
[6]Batch 2766 search ledger: Coast Guard historian, NARA ship-plan and accession indexes, federal historical sources, and CourtListener search status [other_primary]
- Locator
- search_ledger rows sl-uss-chilula-at153-01 through sl-uss-chilula-at153-07
- Finding type
- historical_record
- Finding
- No ship-specific asbestos survey, installation specification, abatement record, or verified asbestos litigation finding was located in the official vessel history, the NARA public index and accession notices, or the other completed searches logged here.
- Verification
- partial
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-09-26
- Study period
- 2026-09-26
- Limitations
- A limited public-source search cannot prove asbestos absence. The CourtListener sweep is still subject to the logged authenticated fleet pacing limit and cannot be represented as a completed negative search until both name and hull queries finish.
- Atlas source
- true
- Evidence ID
- ev-uss-chilula-at153-08
-
[7]U.S. Coast Guard Historian's Office, Chilula, 1956 (WMEC-153), 2020-11-30 [other_primary]
- Locator
- Identification block and Cutter History paragraphs 1-3, 7-8
- Finding type
- vessel_history
- Finding
- The Coast Guard historian identifies Chilula as a Cherokee-class fleet ocean tug built by Charleston Shipbuilding & Drydock Company, launched 1944-12-01, commissioned by the Navy 1945-04-05, placed out of commission in reserve 1947-02-08, loaned to the Coast Guard 1956-07-09, commissioned by the Coast Guard 1956-10-05, removed from the Navy List 1969-06-01, and decommissioned by the Coast Guard 1991-06-19.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-26
- Study period
- 1944-1991
- Limitations
- Service chronology only. The history does not document asbestos, a Navy complement, or the ship's ultimate disposition after its 1991 return to Navy custody.
- Atlas source
- true
- Evidence ID
- ev-uss-chilula-at153-01
-
[8]U.S. Coast Guard Historian's Office, Chilula, 1956 (WMEC-153), 2020-11-30 [other_primary]
- Locator
- Machinery and Complement fields
- Finding type
- vessel_history
- Finding
- Chilula used diesel-electric machinery: four General Motors diesel engines drove four Allis Chalmers generators and four electric motors, with a single propeller and 3,000 BHP. The Coast Guard historian gives complements of 8 officers and 68 enlisted in 1961 and 10 officers and 69 enlisted in 1991.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-26
- Study period
- 1961; 1991
- Population
- Coast Guard complement in 1961 and 1991
- Limitations
- The figures describe Coast Guard service, not the Navy complement. Diesel-electric propulsion gives no evidence of asbestos type, location, quantity, or exposure.
- Atlas source
- true
- Evidence ID
- ev-uss-chilula-at153-02