USGS
Lake Pontchartrain Basin:  Bottom Sediments and Related Environmental Resources

Table B4.  Miscellaneous abbrevations used in sediment database

STATION TABLE FIELDS | INORGANICS TABLE FIELDS | GRAIN SIZE TABLE FIELDS
 UNITS | FIELD HEADINGS ENDING IN... | QUALIFIER FIELD CODES

STATION TABLE FIELDS


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AGNC1_SPON: (Agency or researcher sponsoring or publishing the work)

  • LDEQ = Louisiana Department of Environmental Quality
  • LDEQ-OWR-WPCD = Louisiana Department of Environmental Quality - Office of Water Resources - Water Pollution Control Division
  • LDNR-CZMD = Louisiana Department of Natural Resources - Coastal Zone Management Division
  • LSU = Louisiana State University
  • UNO = University of New Orleans
  • USEPA = United States Environmental Protection Agency
  • USACE = United States Army Corps of Engineers
  • USGS = United States Geological Survey
  • USGS - WRD = United States Geological Survey - Water Resources Division

SRCE_OR_REF (or COM_ON_REF): (Source of information, or reference)

Byrne, C.J., and DeLeon, I.R., 1986, Trace metal residues in biota and sediments from Lake Pontchartrain, Louisiana: Bulletin of Environmental Contamination and Toxicology, v. 37, p. 151-158.

Byrne, C.J., and DeLeon, I.R., 1987, Contribution of heavy metals from municipal runoff to the sediments of Lake Pontchartrain: Chemosphere, v. 16, issue 10-12, p. 2579-2583.

Chew, D.L., and Swilley, L.J., 1987, Clam shell dredging in Lakes Pontchartrain and Maurepas, Louisiana: Draft Environmental Impact Statement and Appendices: U.S. Army Corps of Engineers, approx. 162 p. plus appendixes. [Same data as in Schurtz and St. Pé, 1984.]

Childers, G.W., 1985, A baseline study of the water quality and selected faunal communities in Lake Maurepas, its major tributaries, and Pass Manchac: Hammond, LA, Southeastern Louisiana University, Department of Biological Sciences, 330 p.

Crocker, J.A., 1988, Sediment deposition in Lake Pontchartrain from the 1973 Bonnet Carré Spillway operation: New Orleans, LA, University of New Orleans, Department of Geology and Geophysics, M.Sc. thesis, 81 p.

Demcheck, D.K., Garrison, C.R., and McGee, B.D., 1996, Selected water-quality data for the lower Mississippi River, Bonnet Carré Spillway, and Lake Pontchartrain area, Louisiana, April through June 1994 and 1974-84: U.S. Geological Survey, Open-File Report 96-652-A, 125 p.

Dunbar, J.B., Blaes, M.R., Dueitt, S.E., May, J.R., 1995, Geological investigation of the Mississippi River deltaic plain: Vicksburg, MS, U.S. Army Corps of Engineers, Waterways Experiment Station, Technical Report GL-84-15.

Ferrario, J.B., Lawler, G.C., DeLeon, I.R., and Laseter, J.L., 1985, Volatile organic pollutants in biota and sediments of Lake Pontchartrain: Bulletin of Environmental Contamination and Toxicology, v. 34, p. 246-255.

Flocks, J.G., 1998 [and unpub. data], New field sampling techniques and data description, in Manheim, F.T., ed., Lake Pontchartrain Basin: Bottom sediments and regional scientific and educational resources: U.S. Geological Survey Open-File Report 98-805, 1 CD-ROM.

Flowers, G.C., 1987, unpub. data. [Data used in Flowers and Isphording, 1990.]

Flowers, G.C., and Isphording, W.C., 1990, Environmental sedimentology of the Pontchartrain Estuary: Gulf Coast Association of Geological Societies Transactions, v. 40, p. 237-250.

Landrum, K.E., 1994 [unpub. data], Environmental sedimentology and trace-metal geochemistry of the Barataria Basin and St. Bernard Delta Estuaries, Louisiana: Draft report to the Louisiana Department of Environmental Quality, 101 p. plus appendixes. [See also Landrum, 1995].

Landrum, K.E., 1995, Trace metal variability of estuarine sediments, St. Bernard Geomorphic Region, Louisiana: Gulf Coast Association of Geological Societies Transactions, v. 45, p. 365-370.

LDEQ, 1989, Impact assessment of Bayou Trepagnier: Baton Rouge, LA, Louisiana Department of Environmental Quality, Office of Water Resources, Water Pollution Control Division, 71 p. plus appendixes.

Macauley, J.M., and Summers, J.K., 1998, Environmental Monitoring Assessment Program (EMAP) Louisiana Province Database: USEPA Office of Research and Development, online at http://www.epa.gov/emap/html/dataI/estuary/data/.

McFall, J., Antoine, S.R., and DeLeon, I.R., 1985, Base-neutral extractable organic pollutants in biota and sediments from Lake Pontchartrain: Chemosphere, v. 14, no. 10, p. 1561-1569.

Overton, E.B., Byrne, C.J., McFall, J.A., Antoine, S.R., and Laseter, J.L., 1984, Organic chemical and heavy metal analyses of sediment, biota, and water from Lake Pontchartrain, Louisiana: Baton Rouge, LA, Center for Bio-Organic Studies, University of New Orleans, 170 p. [Report for Louisiana Department of Natural Resources; same project as Schurtz and St. Pé, 1984].

Roberts, D.W., 1981, Structure and function of nearshore and open lake benthic communities in Lake Pontchartrain, Louisiana: Baton Rouge, LA, Louisiana State University, M.Sc. thesis.

Sarkar, S., 1995, Heavy metal transport from Bayou Trepagnier into Lake Pontchartrain: New Orleans, LA, Tulane University, M.Sc. thesis, 25 p.

Schurtz, M.H., and St. Pé, K.M., 1984, Report on interim findings: Water quality investigation of environmental conditions in Lake Pontchartrain: Louisiana Department of Environmental Quality, Water Pollution Control Division, 86 p. plus appendixes.

Sikora, W.B., and Sikora, J.P., 1982, Ecological characterization of the benthic community of Lake Pontchartrain, Louisiana: Baton Rouge, LA, Louisiana State University, Coastal Ecology Laboratory, Center for Wetlands Resources, 214 p.

Tarver, J.W., and Dugas, R.J., 1973, A study of the clam, Rangia cuneata, in Lake Pontchartrain and Lake Maurepas: Louisiana Wild Life and Fisheries Commission; Oyster, Water Bottoms and Seafoods Division, Technical Bulletin 5, 97 p.

Tarver, J.W., and Savoie, L.B., 1976, An inventory and study of the Lake Pontchartrain-Lake Maurepas estuarine complex: Louisiana Wild Life and Fisheries Commission; Oyster, Water Bottoms and Seafoods Division, Technical Bulletin 10, 159 p.

Voyksner, R.D., 1985, Final report: Analysis of metals and organics in sediment and biota: Research Triangle Park, NC, Research Triangle Institute, report number RTI/2830/00-01Q, 68 p.


PROJ_NAME
: (Name of project when data source/study is part of a larger study)

  • EMAP = Environmental Monitoring and Assessment Program

AREA_CODE: (Alphabetical code corresponding to approximate sample location)

  • BLaBr = Bayou LaBranche
  • BretS = Breton Sound
  • BTrep = Bayou Trepagnier
  • CMent = Chef Menteur
  • EngCa = Engineers Canal
  • ICW = Intracoastal Waterway
  • IHNC = Inner Harbor Navigation Canal
  • LBorg = Lake Borgne
  • LMaur = Lake Maurepas
  • LP = Lake Pontchartrain
  • LP-BC = Lake Pontchartrain, Bonnet Carre Region
  • LP-CE = Lake Pontchartrain, central region east of Causeway
  • LP-CW = Lake Pontchartrain, central region west of Causeway
  • LP-NO = Lake Pontchartrain, New Orleans region
  • LP-NS = Lake Pontchartrain, north shore region
  • LP-PH = Lake Pontchartrain, Pointe aux Herbes region
  • LP-RG = Lake Pontchartrain, Rigolets region
  • LP-WS = Lake Pontchartrain, west shore region
  • MissB = Mississippi Bayou
  • MRGO = Mississippi River Gulf Outlet
  • Rigol = Rigolets

ORIG_STATN: (Original name or number of station at which sample was collected)

Each EPA EMAP sample name is a code for the station location which is 8 characters long with the following placements defined as:

Characters 1,2 - Province code - e.g. "LA" in LA94LR01 signifies the Louisianian Province
Characters 3,4 - Year - e.g. "94" in LA94LR01 signifies 1994 sampling year
Characters 5,6 - Class - e.g. "LR" in LA94LR01 signifies Large Estuary Random class
"SR" in LA94SR01 signifies Small Estuary Random class
"RR" in LA94RR01 signifies Tidal River Random class
"SP" in LA94SP14 signifies Small Estuary Replicate
"RP" in LA94RP05 signifies Tidal River Replicate
"LS" in LA94LS01 signifies Large Estuary Supplement
"IN" in LA91IN01 signifies Indicator, Testing, and Evaluation class
"QC" in LA91QC11 signifies Quality Control Revisit
"RI" in LA91RI01 signifies Tidal River Index class
"SI" in LA91SI01 signifies Small Estuary Index class
"TR" in LA94TR01 signifies Temporal Replicate
"TT" in LA94TT01 signifies Temporal Replicate
"VR" in LA94VR01 signifies Temporal Replicate
Characters 7,8 - Station Number - e.g. "01" in LA94LR01 signifies station 1 in LR class


INIT_NTRER
: (initials of the person who entered the data from the original source)

  • agm = Andrew G. McIntire
  • LH = Laura Hayes

INORGANICS TABLE FIELDS

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COMMENT1: (Any further information about analysis for all or specific metals)

  • ICP-AES = Inductively Coupled Plasma - Atomic Emission Spectrometry

GRAIN SIZE TABLE FIELDS

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COMMENT_O: (further comments on grain size analysis)

  • Texture too coarse? = Texture values from this source tend to form a distinct group. Sand is higher than in data from other sources or expected from hydrologic setting.

UNITS

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  • cm = centimeters
  • ft = feet
  • g = grams
  • in = inches
  • lat = latitude
  • long = longitude
  • m = meters
  • mg/kg = milligrams per kilogram (1 µg/g = 1 mg/kg)
  • ng/g = nanograms per gram (1µg/g = 1000 ng)
  • ppb = parts per billion (1 µg/g = 1000 ppb)
  • ppm = parts per million (1 µg/g = 1 ppm)
  • µg/g = micrograms per gram
  • µg/kg = micrograms per kilogram (1 µg/g = 1000 µg/kg)

FIELD HEADINGS ENDING IN…

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  • C = concentration
  • Q = qualifier
  • DL or D = detection limit

For codes and abbreviations used in any qualifier field (headings ending in "Q"), see appendix B, table B1.



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