Draft Internal Memorandum
GeoSyntec Consultants
D R A F T
INTERNAL MEMORANDUM
TO: Nandra Weeks
GeoSyntec Consultants
FROM: Don Strickland, Warren Brady
GeoSyntec Consultants
DATE: 21 January 2003
SUBJECT: Review and Useability of FDEP Database
This memo provides a summary of the FDEP database and discusses a potential going
forward strategy. The sheet numbers discussed within this memorandum refer to the
sheets within the Excel database summary provided by Steve Clarke of Waste
Management.
TYPES OF DATA
The raw data (Sheet 2 of the spreadsheet) provides sampling information for 1,714
sampling dates. Geochemical data (pH, turbidity, specific conductance, temperature,
ammonia nitrogen, chloride, nitrate nitrogen, sulfate, sodium, TDS) is available for
most of the sites. Some of the sites also have volatile organic compound (VOC) data
and hydrocarbon (BTEX, MTBE) data, which may also be of some value in assessing
arsenic mobility, as discussed later. A summary of detections for inorganics follows:
Aluminum – 979 detections
Arsenic – 229 detections
Barium – 197 detections
Beryllium – 8 detections
Cadmium – 205 detections
Chromium 429 detections
Cobalt – 22 detections
Copper – 60 detections
Cyanide – 6 detections
Iron – 1409 detections
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