OFR 97-492: Warren Quadrangle NURE HSSR Study

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National Geochemical Database—Reformatted Data from the National Uranium Resource Evaluation (NURE) Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) Program

By Steven M. Smith
Version 1.40 (2006)

Brief History and Description of Data

[See History of NURE HSSR Program for a summary of the entire program.]

Pennsylvania
Subcontractors for the Savannah River Laboratory (SRL) collected at least 4,499 stream-sediment, 4,401 surface-water, and 5,734 ground-water samples within 49 counties from Pennsylvania as part of the NURE Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) program. The sediment samples were collected during September - October 1976; July - December 1977; and July - August 1978, and water samples were collected during May - December 1977 and July - August 1978. Sample coverage included portions of the Baltimore, Canton, Clarksburg, Cleveland, Cumberland, Elmira, Harrisburg, Newark, Pittsburgh, Scranton, Warren, Williamsport, and Wilmington 1:250,000-scale quadrangles. (A total of 83 stream-sediment, 82 surface-water, and 116 ground-water samples were collected within the Warren quadrangle.) These samples were sent to SRL for analysis of uranium and additional elements (16 in sediments and 9 in waters). SRL was able to analyze 4,287 sediments and 10,100 waters from Pennsylvania; this includes 82 sediment and 198 water samples from the Warren quadrangle. The analytical and site location data for all Pennsylvania samples were released in the Pennsylvania, New Jersey, New York Data Report [GJBX-106(82)].

SRL sent 3,851 sediment samples from Pennsylvania to an unnamed contract laboratory for "Supplemental Analyses." Supplemental analytical determinations for up to 23 elements were reported for 3,842 of these samples in the Pennsylvania, New Jersey, New York Data Report [GJBX-106(82)]. The digital data file accompanying this report includes Supplemental Analyses for 83 Pennsylvania sediment samples within the Warren quadrangle.

SRL: Warren Quadrangle
SRL did not release a separate report for the Warren quadrangle.

ORGDP: Canton, Cleveland, Marion, Pittsburgh, and Warren Quadrangles
SRL sent 464 Ohio and 161 Pennsylvania sediment samples to the Oak Ridge Gaseous Diffusion Plant (ORGDP) for analysis of uranium and 31 additional elements. ORGDP released the analytical data for 625 samples in the Marion, Canton, Pittsburgh, and Cleveland Quadrangles GJBX-80(82) Data Report (One sample was from the Warren quadrangle). The site coding information for this data set was summarized in the GJBX-51(82) report.

Gold Analyses
Data for gold analyses of sediments by SRL neutron activation were released in the GJBX-135(82) summary report. The introduction of that report states:

"This report contains previously unreported neutron-activation analyses of gold in sediment samples determined at SRL. These data were not included in the standard SRL NURE data reports because the gold spectrum was not measured in the original analytical procedure and the report format was designed without the gold analyses being included. Gold analyses became available as the analytical procedure was refined, but the report format was not modified to incorporate these data."

Only those sediment samples that had detectable concentrations of gold by neutron activation analysis were given in the GJBX-135(82) report. Sediment samples with concentrations below detection limits were not reported and can only be ascertained by identifying which samples were actually analyzed by neutron activation at SRL.

Summary Tables
Because of the various laboratories and analytical methods used, some SRL samples may have been analyzed once, twice, or not at all. The following table summarizes the analysis of Warren quadrangle samples.

Combination of laboratories that analyzed samples for the Warren quadrangle.
Laboratory Analysis Sediments Waters
Only SRL 0 198
Both SRL and Supplemental Labs 82 0
Both ORGDP and SRL Supplemental Labs 1 0
None 0 0
Total Samples 83 198
Total Data Records 84 198

The following is a list of all sample types collected and reported for NURE studies in the Warren quadrangle.

Summary of Warren quadrangle sample types.
Sediment Sample Type Number of Samples Water Sample Type Number of Samples
Wet Streams 83 Streams 82
    Wells 54
    Springs 62
Total Sediments 83 Total Waters 198

These Warren quadrangle samples were analyzed by one or more of the following methods:

Sediment Samples

Water Samples



Discussion of the Reformatting Process for Warren Quadrangle

Sediment Records
The Warren quadrangle sediment data consist of reformatted records from the Pennsylvania portion of the Pennsylvania, New Jersey, and New York Data Report [GJBX-106(82)]. A single Warren quadrangle record found in the ORGDP Marion, Canton, Pittsburgh, and Cleveland Quadrangles GJBX-80(82) Basic Data Report was compared with the appropriate sample record from the Pennsylvania State data.

The following problems were found and addressed during the reformatting process of the Warren quadrangle sediment data:

  1. The SRL Supplemental Laboratory and the ORGDP Laboratory each analyzed the same single stream-sediment sample from Pennsylvania. Because of overlapping data fields, it was necessary to create two records to preserve all the data for this sample.
  2. The original ORGDP files for the Canton, Cleveland, Marion, Pittsburgh, and Warren quadrangles did not include all of the information about the character of the sample location. This missing information includes observations taken at each site on the stream width, depth, and flow, water color, surrounding vegetation, local relief, weather, and possible contaminants. In addition, the longitude coordinate reported in the ORGDP file only had 3 decimal places instead of the 4 decimal places found in the corresponding records from SRL State files. The missing site descriptive data and the complete longitude value were added to ORGDP records from the corresponding SRL State file records. Sources of data and any problems found are described in the REFORMAT comment field.
  3. During reformatting, contamination codes for "residential" and "recreation" were found to be missing from each State's CONTAMC field. The presence of one of these two codes was indicated only by a "." (period). The missing codes were assigned a value of "unknown" in the CONTAMC field within the final sediment data file.
  4. Gold concentrations from the GJBX-135(82) report were added to the appropriate sediment records. A value of -0.01 (<0.01 ppm Au) was added to all other sediment samples determined to have been analyzed by SRL neutron activation. This value was chosen because 0.01 is the lowest reported gold concentration in the entire report.

Water Records
The Warren quadrangle water data consist of reformatted records from the Pennsylvania portion of the Pennsylvania, New Jersey, and New York Data Report [GJBX-106(82)].

The following problems were found and addressed during the reformatting process of the Warren quadrangle water data:

  1. The original NURE format for surface-water files did not include much information about the character of the sample location. This missing information includes observations taken at each site on the stream width, depth, and flow, water color, surrounding vegetation, local relief, weather, and possible contaminants. This information is given in records for stream-sediment samples that were collected at the same locations. The available site descriptive information for stream-water sites were compared with the corresponding stream-sediment site records. The missing site descriptive data were then added to stream-water records from the corresponding stream-sediment sample records. Sources of data and any problems found are described in the REFORMAT comment field.
  2. During reformatting, contamination codes for "residential" and "recreation" were found to be missing from each State's CONTAMC field. The presence of one of these two codes was indicated only by a "." (period). The missing codes were assigned a value of "unknown" in the CONTAMC field within the final sediment data file.


Download The Data

The NURE HSSR data are now available online in two databases: The sediment database (also includes data for soils and some rocks) at http://tin.er.usgs.gov/nure/sediment/ and the water database at http://tin.er.usgs.gov/nure/water/. From these two web sites, NURE HSSR data can be selected, examined, summarized, and downloaded by political boundaries (State and County), by quadrangle (1:250,000-scale, 1:100,000-scale, and 1:63,360-scale for Alaska or 1:24,000-scale for the Lower 48 States), and by hydrologic unit (drainage region, subregion, river basin, or sub-basin). Selected data can be downloaded as a dBase file, a shapefile, an HTML table, or ASCII text (tab- or comma-delimited).

Warren Quadrangle Sediment Data - 84 records
Warren Quadrangle Water Data - 198 records



Notes for Data Users

In the eastern United States, SRL collected samples primarily by county. Often, not all counties within a quadrangle were completely sampled. Sample coverage in the Warren quadrangle is limited to the eastern border of the quadrangle and includes samples from Butler, Centre, Clinton, and Potter Counties in Pennsylvania. The laboratory and analytical methods used also may vary by county such that adjacent counties often have very different analytical coverage.




Other NURE Geochemical Data for the Warren Quadrangle

None found.



Warren Quadrangle NURE Bibliography



Links Within Open-File Report 97-492

Back to Pennsylvania NURE data
Back to New York NURE data
Frequently Asked Questions Concerning NURE Data
Home Page: USGS National Geochemical Database - NURE HSSR data



Page written by Bryan G. Moravec and Steven M. Smith.
Contact: Steven M. Smith (smsmith@usgs.gov)
Version 1.41: February 23, 2006

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