Identification and characterization of conservative organic tracers for use as hydrologic tracers for the Yucca Mountain Site Characterization Study; Progress report, June 1--December 31, 1990 Page: 8 of 125

5-FLUOROSALICYLIC ACID:
Dark and Medium Tuff (93 day analysis)
SAMPLE VARIABILITY (ppb)
50 ppb std. 2.43 ppb
150 ppb std. 2.54 ppb
250 ppb std. 2.97 ppb

%VARIABILITY
4,87%
1,69%
1.19%

0.93%
0.79%
1.04%
0.54%

5-Fluorosal/ 2.05 ppb
J-13 H20
#2-1 (Med. Tuff, 1.74 ppb
J-13 H2O, 5-Fluorosal)
#3-1 (Dk, Tuff, 2.31 ppb
J-13 H20, 5-Fluorosal)
#3-1D (Dk. Tuff, 1.18 ppb
J-13 H20, 5-Fluorosal)
5-Fluorosal/DI H20 1.89 ppb
#5-1 (Med. Tuff, 4.62 ppb
DI H2O, 5-Fluorosal)
#6-1 (Dk. Tuff, 11.90 ppb
DI H2O, 5-Fluorosal)

1.30%
2.08%
5.36%

5-FLUOROSALICYLIC ACID:
*Detection Limits: (Fluorescence) 10 ppb (U.V.) 10 ppm
*Wavelength: 300 nm with a 380 nm cut off filter
*Solvent Mix: 60% Methanol / 40% 0.05M KH2PO4 at pH=2.5
*Soil Mix: 250 ml of Tracer solution to 250 grams of soil
Soil Blanks showed no interference compounds.

TABLE 3

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Stetzenbach, K. J. Identification and characterization of conservative organic tracers for use as hydrologic tracers for the Yucca Mountain Site Characterization Study; Progress report, June 1--December 31, 1990, report, December 1990; United States. (https://digital.library.unt.edu/ark:/67531/metadc627702/m1/8/ocr/: accessed May 24, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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