Chemical Metals Industry Exhibits

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CMI SITE LOCATION MAP

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OFFICE OF THE SECRETARV

DEPARTMENT 201 WEST IIIl1ESTON STJ'HT

OF HEALTH AND MENTAL •

BALTlMORE.MA"YUND

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Mlrry Hughie. Governor

HYGIENE

ANI Code 301

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JB3.7328

Charlie Ill. 81lc:k. Jr .• Sc.D. Stem.",

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November 14, 1981

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Mr. Peter B1bko, Regional Admini3trator Environmental Protection Agency .. Region III 6th , Walnut Streets Philadelphia, PA 19106 Dear Mr. Bibko: I am writing to confirm the State of Maryland's proposal to complete hazardous waste removal activities at the Chemicals Metals Industries Superfund Site (CMI) located in Baltimore. We propose that the Environmental Protection Agency (EPA) continue its immediate removal activities at the site to include the following emergency tasks: Site 1

1) Removal ot drums remaining in the garage; 2) Construction of a sealing cap and/or remove remaining contam1natec1soU; Site 2

1) Removal ot remaining drums and debris; 2) Constructionot a sealing cap and/or remove remaining contaminatec1 s01l, and; 3)

Removal of 15 above groUnd storage tanks;

It is lilY understanding that EPA has estimated the total cost of these activities to be $31,000. .

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Mr. Peter Bibko November 14, 1981- .. Page 2 of 2 Pages

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If EPA agrees to complete these tasks, the State will be responsible for the funding and implementation of all remaining tasks that need to be completed at the site including site closure. As we discussed with your staff during a meeting on November 6, 1981,. we feel that this 15 the most expeditious and cost effective approach to eliminating the hazardous waste problem at CHI. If you have any questions or require additional information, please rtonot hesitate to communicate with me at the above number. Sincerely yours,

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Wlll~~ M. Eichbaum Assistant Secret&ry for Environmental Programs .. WME:slt cc :

Mr •

Bruce Smith

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Mr. Ronald Nelson' Mr. Frank Henderson

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ATTACHMENT

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SUPERFUND MEMORANDUM OF AGREEMENT BETWEEN THE STATE OF MARYLAND, DEPARTMENT OF THE ENVIRONMENT, AND THE U.S. ENVIRONMENTAL PROTECI10N AGENCY (

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-THIS SUPERFUND MEMORANDUM OF AGREEMENT ("Agreement") is .made by and between the State of Maryland, Department of the Environment {"State or MDE'j and the United States Environmental Protection Agency ("EPNJ (collectively referred to as "Parties'Jpursuant to Sections 300.415(1) and 300.505 of the National Oil and Hazardous SubstaDce Pollution Contingency Plan ("NCP"), 40 C.F.R. Ii 300.415(1) and 300.50S. WHEREAS, MOE understands that Superfund monies will be used to perform removal activities at the Chemical Metals Industries Site located at 2100 Annapolis Road, Baltimore, Maryland ("CMI or Site"), pursuant to Section 104 of the Comprehensive Environmental Response, Compensation. and Liability Act of I980, as amended ("CERCLA'j, 42 U.S.C . . ~ 9604, in response to a request from MDE for technical and financial assistance. WHEREAS, MOE understands that post removal site control will be necessary to ensure the continuing effectiveness and integrity of the Fund-financed removal action and that the State commits to assume responsibility for post-removal site control activities at the eMI Site until such time as ~ permanent remedy is implemented or until no further site control is needed. WHEREAS; in 1981 EPA initiated a removal action at the CM! Site in response to a request from MDE for technical and financial assistance. MOE discovered numerous chemicals in deteriorated and damaged tariks, containers and drums leaking their contents onto the ground at the Site. In addition, CM! had highly acidic and highly basic materials incompatibly stored. There were drums labeled cyanide adjacent to drwns containing acidic materia1s which if mixed together can potentially release lethal hydrogen cyanide vapor which would have endangered the health of the residents living adjac::entto CM!. MDE was fInancially unable to handle the cleanup effort, and therefore, EPA initiated a Removal Action. WHEREAS, the Removal Action involved the initial removal and disposal of all materials that represented an imminent hazard. eMI was broken down into Site 1 and Site 2. Site 1 was the storage area and Site 2 was the office, laboratory and manufacturing center for eMI which is the current location of the MDE field office. Removal response actions at CMI ceased when all materials of concern were removed from the two sites and the surface are~ capped, thereby ending the immediate threat of explosion or fire. Site 1 was capped and sodded for use as a playground, and Site 2 was paved with a 2.5 inch layer of asphalt for use asa parking lot; The OSC decided not to perform ground water extraction and treatment because there were no drinking water wells nearby. The State of Maryland retainedjurisdietion over monitoring the ground water contamination and post removal site control.

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site control at the CMf Site if this Site becomes listed on the National Priorities List ("NPL''). The State abo acknowledges that there must be a Superfund Cooperative Agreement or Superfund State Contract in place prior to claiming a credit for State expenditures associated with these activities and assumes responsibility for initiating an appropriate response agreement. NOW THEREFORE, this Memorandum of Agreement shall become effective upon the signatures by all required officials of the State and upon the date of execution by the EPA, Region ill, Regional Administrator. This Memorandum of Agreement may be amended as mutually agreed upon by the parties as necessazy to ensure the effectiveness and integrity of the EPA fund-financed removal action. IN WITNESS THEREOF, the Parties hereto have executed this Memorandum of Agreement in two (2) copies, each of which shall be deemed to be an original. .

, UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

NOV,!4

. Michael McC Regional Administrator EPA, Region ill

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Date

STATE OF MARYLAND DEPARTMENT OF THE ENVIRONMENT

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. ) TClP Volatile Organics Analytical Resulls Chemical Metals Industries Site (5 November 1997)

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Chemical Metals - HSCD Briefing •

Located on Annapolis Road Westport Section of Baltimore, MD .' CM I manufactured copper compounds and recovered '" precious metals • The CMI site was divided into two nearby but non-contiguous parcels, Site 1 and Site 2. . • Site 1 is located at 2001 Annapolis' Road and was used by CMI for the storage of miscellaneous solids, large quantities of scrap metal, acids, caustics, and neutral waste liquids (former Sinclair gas station). • Site 2is located at 2103 Annapolis Road and was used'by CMI as an office, laboratory and manufacturing center.

Chemical Metals - HSCD Briefing

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Chemical Metals - HSCD Briefing .. • Summary of Multiple Lines of Evidence for vapor intrusion. pathway at row homes: - Soil contamination - susRected - Ground water contami,nation - known - Subslab soil vapor contamination - known - Indoor air contamination - known

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Subslab Soil Vapor (June 2007) . Basement

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Cancer Risk

- HSCD Briefing

2009 Annapolis Summer 2007

2019 Annapolis Summer 2007

2035 Annapolis Summer 2007

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Chemical Metals - HSCD Briefing • Big Question #1 - Is there justification for a regulatory agency to take a response action at the Site? . _ Multiple Lines evidence indicate vapor intrusion is occutring to residences. _ Indoor air sampling indicates vapor intrusion is not constant, but appears to be seasonal. _ Heating season risk analysis for at least one residence (2009 Annapolis Blvd.) exceeds generally acceptable risk range, irrespective ofTCE toxicity.

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Question #2 - Should EPA perform additional response actions at Chemical Metals? - Fact #1. Letter from State .of Maryland to EPA, dated November

14, 1981, "If EPA agrees to complete these tasks, the State will

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be responsible' for the funding 'and implementation of all remaining tasks that need to be completed at the site including closure. " .

-- Fact #2. Memorandum of Agreement between State of Maryland and EPA, dated November 24, 1998, "EPA and Maryland . mutually agree that once the Fund-financed removal activities . are completed bv EPA atthe Site, MOE will commence postremoval site control activities ... MDE acknowledges that the following post removal site control activities may be required ... 4) assume responsibility for any and all future work necessary and appropriate at the Site." .. . .

- .Fact #3. The State of Maryland is asking for assistance with regard to vapor intrusion (homes), source control (Sinclair).

Chemical Metals - HSCD Briefing

Chemical Metals - HSCD Briefing • Action Items for EPA management consideration at Chemical Metals Site: . .- Address current vapor intrusion to occupied residences. ..

'- Investigate two source areas, and extent of ground water cont~mination plume. - Select remedies for source areas, and ground water contamination plume. . - Establish long-term subslab soil vapor sampling program. - Evaluate impact of source area, and ground water plume cleanup on subslab soil vapor.

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2.2E+OO

4.1E-ol

22E+OI

4.1E+DD

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7.0E+02

1.2E+02

7.DE+03

12E+03

4.1lE+OO

7.0E+04

9.1E-ol

12E+04

UE+OI

NC

9.1E+OD

6.0E+OD

4.9E+02

12E+OD

9.1E+Ol

6.0E+Ol

12E+Dl

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Concentration Camollponding to TI1ge1 Meavredor Indoor AJr Concentration Reuonably WtIf1l the Son Gas to &!1m_Deep Indoor AJr Altenuatfon SoIG •• FactDPD.Ol Concentratfon pr avanlble) (ualm; loobv\ l,saecl"unIIa

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Target ShaIJow SoIl Ga Measured or Meavred or Concen1nllion Conn_ding Reuonlbly Reasonobly to Targellndoot Ab" . Eatfrnated &!Ima1ed Concentration W'tere the Soft ShaDow SoD Indoor AIr Go to Indoor AJrAttenuation Gas Con_ Flctor-O.1 Conc::entrdon pII •• nlble} pI avollobJe] unlm) - {ulJ/IIl; '_lIlobvl (_unlml

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_ofTl1get Concentration

x

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