Memorandum regarding Tutu Wells Site - Draft Proposed Plan: Air Programs Branch Review
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REQION " - 1 is ^T: Tutu Wells Site - Draft Proposed Plan: Air Programs Branch Review Marion Gonzales, Air Superfund Coordinator FROM: Ajr Programs Branch( AWM TO: Caroline Kwan, Project Manager New York/Caribbean Superfund Branch II Through: Rudolph Kapichak, Chief Technical Evaluation Section, AWM-APB \ The Air Programs Branch has completed its review of the draft Proposed Plan for the Tutu Wells Site located in St. Thomas, U.S. Virgin Islands. Site Background: The site is located in the Tutu area of St. Thomas. The area, located in the Turpentine Run drainage basin, is surrounded by high hills to the east, west and north; and, it is home to both residences and mixed industry. A number of water wells were sunk into the area to supply homes and industries; however, contamination of these wells has resulted due to the operation of a number of industries. …
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UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REQION " - 1 is ^T: Tutu Wells Site - Draft Proposed Plan: Air Programs Branch Review Marion Gonzales, Air Superfund Coordinator FROM: Ajr Programs Branch( AWM TO: Caroline Kwan, Project Manager New York/Caribbean Superfund Branch II Through: Rudolph Kapichak, Chief Technical Evaluation Section, AWM-APB \ The Air Programs Branch has completed its review of the draft Proposed Plan for the Tutu Wells Site located in St. Thomas, U.S. Virgin Islands. Site Background: The site is located in the Tutu area of St. Thomas. The area, located in the Turpentine Run drainage basin, is surrounded by high hills to the east, west and north; and, it is home to both residences and mixed industry. A number of water wells were sunk into the area to supply homes and industries; however, contamination of these wells has resulted due to the operation of a number of industries. /*"*"""" Certain commercial properties have been identified as the source of the area's contamination, including: the Texaco and Esso Service Stations; Ramsay Motors; the Tillett Gardens property; Western Auto; the Curriculum Center; and, the O'Henry Dry Cleaners. The Proposed Plan recommends area-specific soil remediation alternatives for the site, including: capping, in-situ/ex-situ SVE treatment, catalytic and thermal oxidation for off- gas treatment, and soil excavation. Recommended groundwater remediation alternatives include: institutional controls, and pump-and-treat. Comments: n A plan for monitoring volatile organic compounds (VOCs) and particulates released to the air from remediation activities needs to be included into the design plan for the site. This kind of monitoring would be implemented as a check on good engineering practices (during remedial activities); public health risk; and, compliance with any chemical-specific ARARs. Let us know if any assistance is needed in developing an air monitoring plan for the site. a Vinyl chloride is one of the contaminants targeted for removal from the soil and groundwater. However, this compound may not have a good affinity for the ^ activated carbon filters that will be used to capture the process off-gases. This < ' m a y ultimately result i n i t s release t o t h e atmosphere. T h e remedial design m a y need to develop a special strategy for handling vinyl chloride. REGION II FORM 1320-1(9/86) TLiT O08 0582 *65046* 65046 n Also, we would be willing to assist you with any inquiries that might arise, regarding minimization and monitoring of air quality impacts, at the upcoming public meeting. If you have any questions, please call at X4236.