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C D M F E D E R A L P R O G R A M S a s u b s i d i a r y o f C a m p D r e s s e r & M c K e e I n c . December 15, 1992 Mr. Erwin Smieszek TES V Regional Project Officer U.S. Environmental Protection Agency 26 Federal Plaza, Room 737 New York, NY 10278 C O R P O R A T I O N PROJECT: DOCUMENT NO: SUBJECT: Dear Mr. Smieszek: TES V, EPA CONTRACT NO: 68-W9-0002 Work Assignment C02048 Tutu Veil Field Site St. Thomas, U.S. Virgin Islands TESV-C02048-EP-CSNM Technical Review of the Soil Gas Survey UST Areas, Four Vinds Shopping Center Document Control No: TESV-C02048-LR-CSNN Please find enclosed the letter report titled "Technical Review of the Soil Gas Survey, UST Areas, Four Vinds Shopping Center, Performed by Target Environmental Services Inc. in September 1992" as partial fulfillment of the reporting requirements for work assignment C02048. If you have any comments regarding this submittal, please contact Sally Odland of COM Federal Programs Corporation at (212) 393-9634 within two weeks from the date of this letter. Sin COM CORPORATION TES V RB^I XttL MANAGER Attachment cc: JI^HHffi^PA Work Assignment Manager S. Odland, COM FPC Work Assignment Manager Document Control, COM FEDERAL PROGRAMS CORPORATION (2 copies) NYC File TUT _O06 .1680 111 Fulton SMCC. Suite 710 N«w York, NY 10038 212 393-9634 *64848* 64848 TECHNICAL REVIEW OF THE SOIL GAS SURVEY UST AREAS, FOUR WINDS SHOPPING CENTER PERFORMED BY TARGET ENVIRONMENTAL SERVICES INC. IN SEPTEMBER, 1992 TUTU WELL FIELD SITE ST. THOMAS, U.S. VIRGIN ISLANDS Prepared for U.S. ENVIRONMENTAL PROTECTION AGENCY Office of Waste Programs Enforcement Washington, D.C. 20460 EPA Work Assignment No. EPA Region Site No. Contract No. CDM FEDERAL PROGRAMS CORPORATION Document No. Prepared By Work Assignment Project Manager Telephone Number EPA Work Assignment Manager Telephone Number Date Prepared C02048 II 2P1D 68-W9-0002 TESV-C02048-LR-CSNN CDM FPC Sally Odland (212) 393-9634 Caroline Kwan (212) 264-0151 December 15, 1992 TUT 006 1681 C O M F E D E R A L P R O G R A M S a s u b s i d i a r y o f C a m p D r e s s e r & M c K e e I n c . December 15, 1992 C O R P O R A T I O N Ms. Caroline Kvan U.S. Environmental Protection Agency 26 Federal Plaza New York, New York 10278 PROJECT: DOC. NO. SUBJECT: TES V, EPA CONTRACT NO: 68-W9-0002 Work Assignment C02048 Tutu Veil Field Site St. Thomas, U.S. Virgin Islands TBSV-C02048-EP-CSNN Technical Review of the Soil Gas Survey UST Areas, Four Winds Shopping Center Performed by Target Environmental Services Inc. in September, 1992 Dear Ms. Kwan: Per your request of November 25, 1992, CDM Federal Programs Corporation (CDM Federal) has reviewed the report titled "Soil Gas Survey, UST Areas, Four Winds Shopping Center, Tutu Area, Anna's Retreat, United States Virgin Islands". The report was prepared by Target Environmental Services (Target) on behalf of the law offices of John K. Dema, representing Four Winds Shopping Center. Target conducted the soil gas survey on the western side of the Four Winds Shopping Center. The objectives of the survey were to determine if reported underground storage tanks (USTs) located on the western side of the shopping center might have contributed to contamination previously detected in the parking lot east of the shopping areas,, and to determine if the reported USTs have impacted water or soil quality in the immediate area. Target sampled 35 points on the shopping center's western side for chlorinated hydrocarbons and compounds commonly used as industrial solvents: 1,1-dichloroethene, methylene chloride, trans-1,2-dichloroethene, 1,1-dichloroethane, cis-1,2-dichloroethene, chloroform, 1,1,1- trichloroethane, carbon tetrachloride, trichloroethene (TCE), 1,1,2- trichloroethane, and tetrachloroethene (PCE). Samples were also analyzed for compounds commonly related to petroleum products or petroleum-based solvents: methyl tertiary butyl ether (MTBE), benzene, toluene, ethylbenzene, meta- and para-xylene, and ortho-xylene. Ill Fulton Street, Suite 710 , NY 10038 212393-9634 ..TUT ......006 1682 COM FEDERAL PROGRAMS CORPORATION a subsidiary of Camp Dresser & McKee Inc. The results of the survey indicated low levels of volatile organics (maximum of 77 ug/1 total FID volatiles) related to petroleum products in samples collected adjacent to the Western Auto garage and in one sample collected in the northwestern corner of the Four Winds property. Low levels of tetrachlorethene (PCE) were detected in samples collected in the northern portion of the survey area between the buildings, and in two samples collected adjacent to the southwestern corner of the Four Winds Plaza building. Based on the analytical findings of the soil gas survey, Target concluded the following: o Low levels of petroleum hydrocarbons are present west of the Western Auto garage; o These levels are typical of "background" concentrations common to auto service areas and do not appear to indicate a release; o The contamination may be related to the reported UST in the area, but does not appear to be related or contributing to contamination detcted on the eastern side of the shopping center in a January 1992 soil gas study; and o Low levels of PCE are present north and southwest of the Four Winds ^v Plaza building. The source for this contamination could not be identified without further sampling. Upon review of the field and laboratory procedures and quality control measures utilized during the soil gas survey, CDM Federal has determined that Target's conclusions appear reasonable. The levels of petroleum- related compounds detected do not suggest a release from the reported UST; such levels could be produced by minor petroleum product spills during routine service station operations. CDM Federal has not seen or reviewed the January 1992 Soil Gas Survey of the eastern side of the shopping center which is referred to in this report. Consequently, we could not compare the detections on the east side with those on the west. However, the detections on the western side are low-level and appear to be localized. The areas identified are not likely sources for the soil and groundvater contamination that has been documented on the the eastern side of the shopping center. TUT OO6 1633 COM FEDERAL PROGRAMS CORPORATION a subsidiary of Camp Dresser & McKee Inc. If you have any questions concerning this review, please do not hesitate to call me at (212) 393-9634. Sincerely, COM FEDERAL PROGRAMS CORPORATION V L Sally Odland Vork Assignment Manager cc: Catherine Moyik, EPA RPO, CERCLA REGION II J. Steven Paquette, COM FPC, Boston Scott Graber, COM FPC, NYC Document Control, CDM FPC (2 copies) NYC File "3~ TUT 006