February 4, 2010

Rafael Casanova, P.G.

Remediation Project Manager

U.S. Environmental Protection Agency

Region 6 Superfund Division (6SF-RA)

1445 Ross Avenue, Suite 1200

Dallas, Texas 75202-2733

Re: Revised Partial Deletion Data

Many Diversified Interests, Inc. (MOl) Superfund Site

Houston, Harris County, Texas

EPA 10: TXDOOBOB3404

TCEQ Superfund 10: SUP042

Dear Mr. Casanova:

SKA Project No. 39004-0004

SKA Consulting, L.P. (SKA), on behalf of Clinton Gregg Investments, LLC (CGI), is providing

the revised locational data and information in support of our previous request that the United

States Environmental Protection Agency (EPA) grant a partial deletion from the National

Priorities list (NPL) of the Many Diversified Interests, Inc. (MDI) Superfund Site (Site) located in

the Fifth Ward District of the City of Houston, Harris County, Texas. SKA has prepared the

required mapping data in accordance with Section 6 and Appendix G of Close Out Procedures

for National Priorities List Sites (EPA Document No. 540-R-98-016, dated January 2000).

The enclosed locational data includes one figure depicting the entire boundary of Operable

Units (OU) 1, 2, and 3 and the boundaries of both partial deletion areas (OU1 Soil Unit and OU1

West 8-Acre Groundwater Unit). Additionally, an enclosed spreadsheet details the latitude and

longitude coordinates that were collected by a Texas Registered Professional Land Surveyor for

each corner of the partial deletion areas in addition to the latitude and longitude coordinates that

were provided to SKA by the EPA for each corner of OU 2 and 3. ArcView shapefiles and raster

images utilized to compile the Partial Deletion Area figure are included on a compact disc (CD).

Both hard and electronic copies of the map and spreadsheet are provided with this transmittal.

In support of EPA completing the Data Collection Form as part of the partial deletion request,

the following responses are provided to the questions in Sections 1.7, 2.2, 2.3, and 2.6 of the

Data Collection Form:

Section 1.7- Paola Belloni, contractor for SKA Consulting, L.P., (832) 494-7627

Section 2.2 - Electronic: Projection of Data, Projection Zone, Horizontal Datum, Source, Source

Scale, Point-line-Area, Accuracy Value and Unit, Source Projection,

Source Projection Spheroid, Source Horizontal Datum

G:\2004\39004-0004\LeUers\39004-0004L02_Partial Delelion Dala_rev1.doc

SKA Consulting, L.P. ·10260 Westheimer, Suite 605' Houston, Texas 77042· 713.266.6056 phone' 713-266-0996 fax
Mr. Rafael Casanova, P.G.

February 4, 2010

Page 2

Section 2.2 - Printout: Projection Data, Units of Measure, Projection Zone, Horizontal Datum,

XShiftlYShift, Method of Collection, Source Projection, Source Projection

Spheroid, Source Horizontal Datum

Section 2.3 - ArcView shape files

Section 2.6 - Texas Registered Professional Land Surveyor

CGI looks forward to EPA's and TCEQ's approval of the enclosed revised locational data.

Should you have any questions regarding this transmittal, please do not hesitate to call either of

us at (713) 266-6056.

Sincerely,

SKA CONSULTING, L.P.

~M(j~ Trent McDaniel, P.G.

Project Manager

Scott K. Leafe

President/Managing Partner

Attachment: Figure 1 - Partial Deletion Areas, Soils and 8-Acre Groundwater Unit of au 1

Table 1 - Partial Deletion Coordinates

ArcView Shapefiles and Raster Images (on CD)

Cc: Carlos Sanchez, USEPA Region 6, via email

Gary G. Miller, USEPA Region 6, via email and hard copy

Phillip Winsor, Texas Commission on Environmental Quality, via email and hard copy

John Jennings, Clinton Gregg Investments, LLC, via email and hard copy

G:12004\39004-0004\Letlers\39004-0004L02_Partial Deletion Data_rev1.doc

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TABLE 1

PARTIAL DELETION COORDINATES

MANY DIVERSIFIED INTERESTS, INC. SUPERFUND SITE

OPERABLE UNIT 1

HOUSTON, HARRIS COUNTY, TEXAS

EPA 10: TXD008083404; TCEQ SUPERFUND 10: SUP042

Map Number Latitude IDMS) Lonoitude IDMS) Lonoitude IDOl Latitude (DOl Associated au

1 29' 45' 58.0816?,'N 95' 20' 01.22291 "W -95.33367303 29.76613380 OU1,OU1W

2 29' 46' 04.72684"N 95' 20' 01.47096"W -95.33374193 29.76797968 OU1, OU1W, OU2, OU3

3 29' 46' 04.75190"N 95' 20' 00.44738"W -95.33345761 29.76798664 OU1, OU1W, OU2, OU3

4 29' 46' 06.12680"N 95' 20' 00.47581"W -95.33346550 2976836856 OU1, OU1W, OU2, OU3

5 29' 46' 06.12958"N 95' 20' 00.36238"W -95.33343399 29.76836933 OU1, OU1W, OU2, OU3

6 29' 46' 07.11943"N 95' 20' 00.38162"W -95.33343934 29.76864429 OU1, OU1W, OU2, OU3

7 29' 46' 07.17220"N 95' 19' 58.22645"W -95.33284068 29.76865894 OU1, OU1W, OU2, OU3

8 29' 46' 09.51980"N 95' 19' 58.26899"W -95.33285250 29.76931106 OU1, OU2, OU3

9 29' 46' 09.54508"N 95' 19' 56.4562?''W -95.33234896 29.76931808 OU1, OU2, OU3

10 29' 46' 09.46366"N 95' 19' 55.25988"W -95.33201663 29.76929546 OU1, OU2, OU3

11 29' 46' 09.37890"N 95' 19' 53.94095"W -95.33165026 29.76927192 OU1, OU2, OU3

12 29' 46' 09.45505"N 95' 19' 48.11687"W -95.33003246 29.76929307 OU1, OU2, OU3

13 29' 46' 09.25892"N 95' 19' 46.29484"W -95.32952635 29.76923859 OU1, OU2, OU3

14 29' 46' 09.19266"N 95' 19' 46.02642"W -95.32945178 29.76922018 OU1, OU2, OU3

15 29' 46' 08.97695"N 95' 19' 44.28106"W -95.32896696 29.76916026 OU1, OU2, OU3

16 29' 46' 06.63012"N 95' 19' 44.24370"W -95.32895658 29.76850837 OU1, OU2, OU3

17 29' 46' 06.57012"N 95' 19' 47.00525"W -95.32972368 29.76849170 OU1, OU2, OU3

18 29' 46' 02.61540"N 95' 19' 46.93054"W -95.32970293 29.76739317 OU1, OU2, OU3

19 29' 46' 02.68900"N 95' 19' 43.70357"W -95.32880655 29.76741361 OU1, OU2, OU3

20 29' 46' 01.53895"N 95' 19' 43.68359"W -95.32880100 29.76709415 OU1, OU2, OU3

21 29' 46' 01.50320"N 95' 19' 46.31084"W -95.32953079 29.76708422 OU1, OU2, OU3

22 29' 46' 00.51348"N 95' 19' 46.28356"W -95.32952321 29.76680930 OU1, OU2, OU3

23 29' 46' 00.50413"N 95' 19' 46.96430"W -95.32971231 29.76680670 OU1, OU2, OU3

24 29' 46' 00.1 0824"N 95' 19' 46.95339"W -95.32970928 29.76669673 OU1, OU2, OU3

25 29' 46' 00.17582"N 95' 19' 43.6598?''W -95.32879441 29.76671551 OU1, OU2, OU3

26 29' 45' 59.24088"N 95' 19' 43.64362"W -95.32879441 29.76645580 OU1, OU2, OU3

27 29' 45' 59.22754"N 95' 19' 44.76099"W -95.32910028 29.76645209 OU1, OU2, OU3

28 29' 45' 58.21724"N 95' 19' 44.74515"W -95.32909588 29.76617146 OU1, OU2, OU3

29 29' 46' 07.5513"N 95' 19' 56.50220"W -95.33236172 29.76862643 OU1,OU1W

30 29' 45' 58.12456"N 95' 19' 56.16733"W -95.33226870 29.76614571 OU1,OU1W

31 29' 46' 0.22" N 95' 20' 1.40" W -95.333723 29.766728 OU1, OU1W, OU2, OU3

32 29' 46' 0.08" N 95' 20' 11.52" W -95.33653500 29.76669000 OU2,OU3

33 29' 45' 57.77" N 95' 20' 11.47" W -95.33652000 29.76604700 OU2,OU3

34 29' 45' 57.72" N 95' 20' 14.82" W -95.33745051 29.76603406 OU2,OU3

35 29' 46' 4.97" N 95' 20' 14.96" W -95.33748855 29.76804649 OU2,OU3

36 29' 46' 4.94" N 95' 20' 16.53" W -95.33792373 29.76803880 OU2,OU3

37 29' 46' 7.18" N 95' 20' 16.55" W -95.33792950 29.76866162 OU2,OU3

38 29' 46' 7.21" N 95' 20' 8.92" W -95.33581117 29.76866878 OU2,OU3

39 29' 46' 12.23" N 95' 20' 9.03" W -95.33584086 29.77006292 OU2,OU3

40 29' 46' 12.22" N 95' 20' 12.62" W -95.33683960 29.77006135 OU2,OU3

41 29' 46' 17.90" N 95' 20' 12.71" W -95.33686330 29.77163849 OU2,OU3

42 29' 46' 17.90" N 95' 20' 11.99" W -95.33666414 29.77163898 OU2,OU3

43 29' 46' 21.05" N 95' 20' 11.98" W -95.33666008 29.77251460 OU2,OU3

44 29' 46' 21.49" N 95' 19' 47.04" W -95.32973389 29.77263572 OU2,OU3

45 29' 46' 20.08" N 95' 19' 47.00" W -95.32972218 29.77224369 OU2,OU3

46 29' 46' 16.18" N 95' 19' 46.04" W -95.32945480 29.77116170 OU2,OU3

47 29' 46' 16.18" N 95' 19' 43.06" W -95.32862835 29.77116170 OU2,OU3

48 29' 46' 11.74" N . 95' 19' 43.06" W -95.32862835 29.76992687 OU2,OU3

49 29' 46' 11.69" N 95' 19' 35.45" W -95.32651481 29.76991511 OU2,OU3

50 29' 45' 58.17" N 95' 19' 35.42" W -95.32650518 29.76615842 OU2,OU3

51 29' 45' 58.12" N 95' 19' 42.61" W -95.32850267 29.76614376 OU2,OU3

G:\2004\39004-0004\Tables\MDI Partial Deletion CoordinatesJormal.xls

February 2010

t.ioJe.s;

Coordinates for the "Coordinate Reference" points shown on the MOl OU1. OU2, OU3 Soil and Groundwater Deletion map dated January 2010 by SKA Consulting, L.P..

The column "Map Number" shown above references the labeled points on the map. Coordinates were generated by a Texas Registered Professional Land Surveyor per the

Geographic Coordinate System. North American Datum 1983.

The column "Associated OU" lists which operable units the point (map number) touches.

OU1W is the a-acre west groundwater unit partial deletion area of OU1.

Projected Coordinate System: NAD_1983_SI3IePlane_Texas_South_CenlraLFIPS_4204_Feet

Datum: 0 North American 1983

SKA Consulting, L"J'. - -

Houston, Texas