Precision Estimates of AASHTO T267: Determination of Organic Content in Soils by Loss on Ignition (2010)

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23 APPENDIX B- ORGANIC CONTENT OF CLAY BLENDS AND COMPUTED ASTM E691 STATISTICS

24 Table B-1: Unadjusted Organic content (%) of three replicates of clay blends in the ILS and the computed statistics according to ASTM E 691

25 Figure B-1: Unadjusted Median organic content values of clay and the corresponding error bands 0.00 1.00 2.00 3.00 4.00 5.00 6.00 1 3 5 7 9 11 13 15 17 19 22 24 26 28 Clay 0% LabNumber M e d i a n 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 1 3 5 7 9 11 13 15 17 19 22 24 26 28 Clay 2% LabNumber M e d i a n 0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 1 3 5 7 9 11 13 15 17 19 22 24 26 28 Clay 5% LabNumber M e d i a n 0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00 16.00 1 3 5 7 9 11 13 15 17 19 22 24 26 28 Clay 8% LabNumber M e d i a n

26 Figure B-2: h and k consistency statistics of organic content measurements of clay -3.00 -2.00 -1.00 0.00 1.00 2.00 3.00 1 3 5 7 9 11 13 15 17 19 21 23 25 27 h Lab Number Clay 0% h critical -4.00 -3.00 -2.00 -1.00 0.00 1.00 2.00 3.00 1 3 5 7 9 11 13 15 17 19 21 23 25 27h Lab Number Clay 2% h critical -3.00 -2.00 -1.00 0.00 1.00 2.00 3.00 1 3 5 7 9 11 13 15 17 19 21 23 25 27 h Lab Number Clay 5% h critical 0.00 0.50 1.00 1.50 2.00 2.50 1 3 5 7 9 11 13 15 17 19 21 23 25 27 k Lab Number Clay 0% k critical 0.00 0.50 1.00 1.50 2.00 2.50 3.00 1 3 5 7 9 11 13 15 17 19 21 23 25 27 k Lab Number Clay 2% k critical 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00 1 3 5 7 9 11 13 15 17 19 21 23 25 27 k Lab Number Clay 5% k critical 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 1 3 5 7 9 11 13 15 17 19 21 23 25 27 k Lab Number Clay 8% k critical -3.00 -2.00 -1.00 0.00 1.00 2.00 3.00 4.00 1 3 5 7 9 11 13 15 17 19 21 23 25 27 h Lab Number Clay 8% h critical

27 Table B-2- Adjusted organic content (%) of three replicates of clay blends in ILS and the computed statistics according to ASTM E 691

28 Figure B-3: Median Adjusted organic content values of clay and the corresponding error bands 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 1 3 5 7 9 11 13 15 17 19 22 24 26 28 Adj Clay 2% LabNumber M ed ia n 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00 1 3 5 7 9 11 13 15 17 19 22 24 26 28 Adj Clay 5% LabNumber M ed ia n 0.00 2.00 4.00 6.00 8.00 10.00 12.00 1 3 5 7 9 11 13 15 17 19 22 24 26 28 Adj Clay 8% LabNumber M ed ia n