METHOD OF TEST FOR FINE AGGREGATE GRADATION … RSP CT 202_21… · RSP Fine Aggregate Gradation...

RSP Fine Aggregate Gradation and Sand Equivalent Proficiency Test Results Office of Roadway Materials Testing

REFERENCE SAMPLE PROGRAM

METHOD OF TEST FOR FINE

AGGREGATE GRADATION AND SAND EQUIVALENT

2015 PROFICIENCY TEST RESULTS

State of California Department of Transportation Division of Engineering Services

Materials Engineering and Testing Services-MS #5 Office of Roadway Materials Testing

5900 Folsom Blvd Sacramento, California 95819-4612

JANUARY 10, 2017


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TABLE OF CONTENTS 1.0 Overview ............................................................................................................................ 2

2.0 Analysis of Test Results .................................................................................................... 3 2.1 Evaluation Criteria………………………………………………………………………...3 2.2 Initial Test (CT 202 - Fine Aggregate Gradation)…………………………………..……..3 2.3 Initial Test (CT 217 - Sand Equivalent)………………………………………….……….5 2.4 Retest CT (202 - Fine Aggrgate Gradation)………………………….……………………5 2.5 Retest (CT 217 - Sand Equivalent)………………………………………………………...7

3.0 Observation ....................................................................................................................... 8

4.0 Summary ............................................................................................................................ 9 5.0 References .......................................................................................................................... 9

LIST OF TABLES

Table 1: Evaluation Criteria ....................................................................................................................................... 3 Table 2: CT 202 Initial Test Results ........................................................................................................................... 4 Table 2A: CT 202 Initial Statistical Analysis of Test Results………………………………………………………4 Table 3: Labs and Test Results Considered as Outliers for CT 217...................................................................5 Table 3A: CT 217 Initial Statistical Analysis of Test Results………………………………………………………5 Table 4: CT 202 Re-Test Results ................................................................................................................................ 6 Table 4A: CT 202 Statistical Analysis of Re-Test Results…………………………………………………………..6 Table 5: CT 202 IA Witness Test Results .................................................................................................................. 7 Table 5A: CT 202 Statistical Analysis of IA Witness Test Results .......................................................................... 7 Table 6: CT 217 Re-Test Results ............................................................................................................................... 7 Table 6A: CT 217 Statistical Analysis of Re-Test Results ........................................................................................ 8 Table 7: CT 217 IA Witness Test Results……………………………………………………………………………8 Table 7A: CT 217 Statistical Analysis of IA Witness Test Results…………………………………………………8

Appendix A – CT 202 (SAMPLE A) - INITIAL TEST RESULTS Appendix B – CT 202 (SAMPLE B) - INITIAL TEST RESULTS Appendix C – CT 202 (SAMPLE C) - INITIAL TEST RESULTS Appendix D – CT 202 (SAMPLE A) – RETEST RESULTS Appendix E – CT 202 (SAMPLE B) – RETEST RESULTS Appendix F – CT 202 (SAMPLE C) – RETEST RESULTS Appendix G – CT 202 – IA WITNESS RESULTS Appendix H – CT 217 – INITIAL TEST RESULTS Appendix I – CT 217 – RETEST RESULTS Appendix J – CT 217 – IA WITNESS RESULTS


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REFERENCE SAMPLE PROGRAM

FINE AGGREGATE GRADATION AND SAND EQUIVALENT

2015 PROFICIENCY TEST RESULTS 1.0 OVERVIEW In early March 2015, the Caltrans Reference Sample Program (RSP) sent out a letter inviting laboratories currently enrolled in the Caltrans RSP to participate in proficiency testing. Laboratory proficiency testing is a requirement in the Caltrans Independent Assurance (IA) Program and is mandated by FHWA. Additionally, proficiency testing ensures that laboratories that performs tests on roadway materials for Caltrans and Federally funded projects are qualified. In this round of proficiency testing, two California Test (CT) methods were utilized. The test methods utilized are CT 202 “Method of Test for Sieve Analysis of Fine and Coarse Aggregates” and CT 217 “Method of Test for Sand Equivalent”. The aggregate materials for this round of proficiency testing were obtained from a single plant. The intent of obtaining materials from a single source is to minimize sample variability. The aggregate materials are prepared by undergoing a thorough sieving and cleaning process to remove deleterious materials that may be detrimental to the tests results produced. Proficiency samples for CT 202 and CT 217 were prepared in the state References Sample Laboratory located at 5900 Folsom Blvd, Sacramento, CA. Three fine aggregate sample sets were prepared for CT 202. Respectively, sample set A, B, and C were developed by recombining materials passing the #4 sieve with a designated recipe for each sample set. Fine aggregates are defined as aggregates passing the #4 sieve. The prescribed individual sample mass for CT 202 and CT 217 is 500±10 and 1000±10 grams respectively. CT 202 determines the particle size distribution. Sieve analysis is a crucial part in developing HMA and PCC mix design as it dictates the amount of the other ingredients to reach a prescribed target value of the mix. CT 217 determines the relative proportions of detrimental fine dust or clay-like material in soil or fine aggregate. Clay like materials have a direct effect on the performance of Hot Mix Asphalt (HMA). An excessive amount of clay like particles can coat the aggregate surface and prevent liquid asphalt


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cement from completely coating and adhering to the aggregate. Additionally, dirty aggregates also affects PCC performance as it tend to lower its compressive strength and increase shrinkage. The purpose of proficiency testing is to ensure that laboratories performing CT 202 and CT 217 are performing these tests in accordance to the prescribed test method. This includes using the correct and calibrated test equipment and providing accurate test results to Caltrans RSP. A total of 338 laboratories participated for CT 202 and 336 laboratories participated for CT 217. The participants for this round of proficiency testing includes state, local agency, and private laboratories. 2.0 ANALYSIS OF TEST RESULTS 2.1 EVALUATION CRITERIA Test results were analyzed using a statistical evaluation system in which the mean (X) and standard deviation (s) were calculated. A rating score was then applied to the test results based on the criteria shown in Table 1. A test result with a score of 3 or greater was considered an acceptable result. A test result with a score of 2 or less was considered unacceptable and a retest was required.

Table 1: Evaluation Criteria

Test Result Rating Interpretation of Results Acceptance

X ± 1.0s 5 Very Good Acceptable X ± 1.5s 4 Good

X ± 2.0s 3 Fair X ± 2.5s 2 Poor Unacceptable X ± 3.0s 1 Very Poor

2.2 INITIAL TEST (CT 202 – FINE AGGREGATE GRADATION) A total of 338 laboratories participated in CT 202. Analysis for outliers in accordance with ASTM E 178 was performed for CT 202. Laboratories 27, 69, 73, 77, 172, 233, 284, 285, 289, 367, 389, 396, 476, 609, 614, 12, 19, 74, 90, 135, 139, 209, 267, 369, 372, 407, 469, 540, 576, 628, 148, 180, 182, 283, 509, and 590 failed the initial fine aggregate gradation proficiency testing.


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Table 2 summarizes initial test results for CT 202 with outliers. Table 2-A depicts the statistical analysis and the scores obtained by laboratories with the corresponding percentages with respect for each sample set.

Table 2: CT 202 Initial Test Results

CT 202

Sample # of Laboratories

Initial Failures Passing Laboratories

Count Failure Count

(Lab ID) Outlier Count

(Lab ID)

A 150 13

(27, 69, 73, 77, 172, 284, 285, 289, 367, 389, 396, 476, 614)

2 (233, 609) 135

B 143 13

(12, 19, 74, 90, 135, 209, 267, 369, 372, 407, 469, 540, 628)

2 (139, 576) 128

C 45 4 (148, 182, 509, 590)

2 (180, 283)

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Total 338 30 6 302

Table 2A: CT 202 Initial Statistical Analysis of Test Results


# of Outliers

# of Laboratories (used in analysis)

Number of Labs Achieved Score of 5 4 3 2 1

A 150 2 148 102 20 13 0 13 % of Total 68.9 13.5 8.8 0.0 8.8


# of Outliers



B 143 2 141 63 42 23 1 12 % of Total 44.7 29.8 16.3 0.7 8.5


# of Outliers



C 45 2 43 17 9 13 1 3 % of Total 39.5 21.0 30.2 2.3 7.0


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2.3 INITIAL TEST (CT 217 – SAND EQUIVALENT) A total of 336 laboratories participated in CT 217. Analysis for outliers in accordance with ASTM E 178 was performed for CT 217. Laboratories 6, 41, 77, 125, 140, 145, 257, 261, 321, 420, 595, 616 failed the initial CT 217 proficiency testing. Table 3 summarizes initial test results for CT 217 with outliers. Table 3-A depicts the statistical analysis and the scores obtained by laboratories with the corresponding percentages.

Table 3: Labs and Test Results Considered as Outliers for CT 217

CT 217


Initial Failures Passing Laboratories

Count Failure Count

(Lab ID) Outlier Count

(Lab ID)

N/A 336 7

(77, 140, 257, 261, 321, 595, 616)

5 (6, 41, 125, 145, 420)

324

Table 3A: CT 217 Initial Statistical Analysis of Test Results


# of Outliers



N/A 336 5 331 240 60 24 4 3 % of Total 73.0 18.0 7.0 1.0 1.0

2.4 RETEST (CT 202 – FINE AGGREGATE GRADATION) As stated above, a total of 36 laboratories failed the initial CT 202 testing. These laboratories includes those that submitted results considered as outliers and those that were considered unsatisfactory. Re-test samples were sent to these laboratories in order for these laboratories to evaluate and identify deficiencies in their testing process and resolve these deficiencies if they exist and submit satisfactory results. Table 4 summarizes the re-test results for CT 202.


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Table 4: CT 202 Re-Test Results

CT 202 (Re-test)


Failures Passing Laboratories

Count Failure Count

(Lab ID) Missing Data

(Lab ID)

A 15 1 (284) - 14

B 15 1 (139)

1 (267) 13

C 6 - - 6

Total 36 2 1 33

Table 4A: CT 202 Statistical Analysis of Re-Test Results


# of Failures

# of Laboratories (passed)


A 15 1 14 7 1 6 0 1 % of Total 46.6 6.7 40.0 0 6.7


# of Failures



B 14 1 13 8 3 2 0 1 % of Total 53.3 6.7 13.3 0.0 6.7


# of Failures



C 6 0 6 4 1 1 0 0 % of Total 66.1 16.7 16.7 0.0 0.0

Table 4 shows that there were two laboratories that did not pass the re-test portion of the proficiency testing. Unsatisfactory results in the re-test portion prompts IA witnessing for the test in question. A third set of sample will be sent to the two laboratories and the tester will be observed by their respective Caltrans IA staff. It should be noted that Laboratory #267 was unable to provide re-test data for CT 202 (Sample B) since the laboratory closed before it had the chance to perform the re-test making the total laboratories for the sample B re-test to 14 instead of 15.


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Table 5: CT 202 IA Witness Test Results

CT 202 (IA Witness)



Count Failure Count


(Lab ID) A 1 - - 1 B 1 - - 1

Total 2 - - 2

Table 5A: CT 202 Statistical Analysis of IA Witness Test Results


# of Failures



A 1 - 1 0 0 1 0 0 % of Total 0.0 0.0 100.0 0.0 0.0


# of Failures



B 1 - 1 0 1 0 0 0 % of Total 0.0 100.0 0.0 0.0 0.0

Tables 5 and 5-A summarizes the IA witness results for CT 202 sample A and B. It should be noted that re-test results for samples set C were all satisfactory. 2.5 RETEST (CT 217 – SAND EQUIVALENT) In the initial test for CT 217, a total of 12 laboratories did not submit satisfactory test results. Re-test samples were sent to laboratories whose test results were considered as outliers and to laboratories that scored a rating of 2 and below. The retest summary for CT 217 is presented in Table 6.

Table 6: CT 217 Re-Test Results

CT 217 (Re-test)



Count Failure Count


(Lab ID)

N/A 12 4 (125, 145, 595, 616)

1 (261) 7


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Table 6A: CT 217 Statistical Analysis of Re-Test Results


# of Failures



N/A 12 5 7 5 1 1 0 5 % of Total 41.7 8.3 8.3 0.0 41.7

As depicted in Tables 6 and 6-A, seven laboratories were able to obtain satisfactory results. However, 5 laboratories did not pass the re-test and will require IA witnessing when performing the test. Tables 7 and 7-A depicts the results for IA witnessing. It was noted that two laboratories (Lab # 261 and 616) did not complete the IA witness portion. These two laboratories are currently inactive.

Table 7: CT 217 IA Witness Test Results

CT 217 (IA Witness)



Count Failure Count


(Lab ID)

N/A 5 - 2 (261,616) 3

Table 7A: CT 217 Statistical Analysis of IA Witness Test Results


# of Failures



N/A 5 - 3 0 2 1 0 0 % of Total 0.0 67 33 0.0 0.0


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3.0 OBSERVATIONS During the initial test for CT 202 a total of 36 out of 338 laboratories did not achieve acceptable results. It appears that the initial failure percentages for each sample set, A, B, and C are identical and is around the 11% mark. This is expected since the CT 202 sample came from a single source and was processed using a single equipment. The laboratories that initially failed were provided re-test samples to mitigate deficiencies be it equipment or tester. The laboratories that submitted poor re-test results were provided a 3rd CT 202 sample to be run in the presence of an IA staff. The following observations were noted:

• Sieves were not adequately cleaned – materials are stuck in the screen which can dislodge while in a shaking action giving an inaccurate results.

• The bottom pan contained residual material from previous screenings which can also lead to inaccurate results

The initial test for CT 217 produced a total of 324 laboratories that passed while 12 laboratories submitted unsatisfactory results. These 12 laboratories were provided re-test samples and 5 laboratories required IA witnessing for failing the 2nd retest. After the IA witnessing 3 laboratories passed and 2 laboratories opted not to provide results. The 2 laboratories that opted not to participate in the IA witnessing are currently inactive in the RSP. The following observations were noted:

• Samples may not have been adequately irrigated. This tends to leave fine materials still embedded in the bottom of the tube providing a poor clay to sand ratio

• Poor sample splitting practice. This may lead to some samples to contain more fine material and again producing poor results.

4.0 SUMMARY In the initial round of testing, 338 laboratories participated for CT 202. Thirty six (36) laboratories failed in the initial test. The failure consisted of outliers and results below a score of 3. Re-test samples were provide to the laboratories that initially failed. 34 laboratories passed the re-test and 2 laboratories required IA witnessing and eventually provided satisfactory results. There were 336 laboratories that participated for CT 217 and 12 laboratories did not achieve an acceptable score in the initial testing. Sample were again provided in order to conduct a retest, 7 laboratory passed with 5 laboratory failing the retest. The 5 laboratories that failed the re-test required IA witnessing which resulted in 3 laboratories passing and 2 laboratories opting not to participate in the IA witnessing. As mentioned earlier, the 2 laboratories that did not participate are now in an inactive status in RSP.


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5.0 REFERENCES California Test Method 202, “Method of Test for Evaluating Cleanness of Coarse Aggregate” California Test Method 217, “Method of Test for Sand Equivalent” ASTM, “Standard Practice for Dealing with Outlying Observations,” Designation E 178 – 80. Caltrans, “Independent Assurance Manual,” Sacramento, July 2005.


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APPENDIX – A CT 202 (SAMPLE A) - INITIAL TEST RESULTS

CT ID # SAMPLE #4 SCORE #8 SCORE #16 SCORE #30 SCORE #50 SCORE #100 SCORE #200 SCORE FINAL

SCORE

1 A 100 5 62 5 33 5 18 5 8 5 2 5 0 5 5 2 A 100 5 62 5 33 5 18 5 8 5 2 5 0 5 5 3 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 5 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 6 A 100 5 63 5 34 5 18 5 8 5 2 5 0 5 5 7 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5

10 A 100 5 63 5 34 5 18 5 8 5 2 5 0 5 5 18 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 20 A 100 5 63 5 34 5 17 5 8 5 2 5 0 5 5 27 A 100 5 68 1 37 1 19 4 8 5 3 1 0 5 1 29 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 42 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 43 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 49 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 50 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 52 A 100 5 62 5 34 5 19 4 8 5 2 5 0 5 4 58 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 59 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 63 A 100 5 62 5 33 5 19 4 8 5 2 5 0 5 4 65 A 100 5 62 5 33 5 18 5 8 5 2 5 0 5 5 68 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 69 A 100 5 64 4 30 1 14 1 6 1 2 5 0 5 1 73 A 100 5 67 1 32 4 17 5 8 5 2 5 0 5 1


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SCORE

76 A 100 5 62 5 33 5 18 5 8 5 2 5 1 3 3 77 A 100 5 68 1 37 1 20 2 9 1 2 5 0 5 1 81 A 100 5 62 5 34 5 17 5 8 5 2 5 0 5 5 83 A 100 5 62 5 34 5 17 5 8 5 2 5 0 5 5 86 A 100 5 62 5 33 5 18 5 8 5 2 5 0 5 5 96 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 98 A 100 5 62 5 35 4 18 5 8 5 2 5 0 5 4

102 A 100 5 63 5 33 5 18 5 8 5 2 5 0 5 5 103 A 100 5 62 5 34 5 19 4 8 5 2 5 0 5 4 104 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 110 A 100 5 62 5 36 3 19 4 9 3 2 5 0 5 3 112 A 100 5 62 5 35 4 18 5 8 5 2 5 0 5 4 114 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 120 A 100 5 63 5 33 5 18 5 8 5 2 5 0 5 5 128 A 100 5 62 5 35 4 18 5 8 5 2 5 0 5 4 137 A 100 5 62 5 36 3 18 5 8 5 2 5 0 5 3 144 A 100 5 63 5 34 5 18 5 8 5 3 3 1 3 3 145 A 100 5 62 5 33 5 18 5 8 5 2 5 0 5 5 147 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 155 A 100 5 63 5 34 5 18 5 8 5 2 5 0 5 5 158 A 100 5 63 5 35 4 18 5 8 5 2 5 0 5 4 159 A 100 5 62 5 34 5 17 5 8 5 2 5 0 5 5 160 A 100 5 62 5 33 5 17 5 8 5 2 5 0 5 5 161 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 164 A 100 5 62 5 34 5 19 4 8 5 2 5 0 5 4


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SCORE

165 A 100 5 62 5 33 5 18 5 8 5 2 5 0 5 5 170 A 100 5 62 5 33 5 18 5 8 5 2 5 0 5 5 172 A 100 5 62 5 26 1 14 1 7 2 2 5 0 5 1 173 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 176 A 100 5 62 5 34 5 19 4 8 5 3 3 0 5 3 183 A 100 5 62 5 34 5 19 4 9 3 3 3 0 5 3 187 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 189 A 100 5 62 5 33 5 18 5 8 5 2 5 0 5 5 191 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 193 A 100 5 64 4 34 5 18 5 8 5 2 5 0 5 4 197 A 100 5 62 5 35 4 18 5 8 5 2 5 0 5 4 198 A 100 5 62 5 33 5 18 5 8 5 2 5 0 5 5 203 A 100 5 62 5 34 5 17 5 8 5 2 5 0 5 5 207 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 208 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 210 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 211 A 100 5 62 5 34 5 19 4 9 3 3 3 1 3 3 213 A 100 5 62 5 33 5 18 5 8 5 2 5 0 5 5 214 A 100 5 62 5 33 5 17 5 8 5 2 5 0 5 5 221 A 100 5 62 5 34 5 18 5 8 5 2 5 0 5 5 225 A 100 5 62 5 33 5 18 5 8 5 2 5 0 5 5 232 A 100 5 62 5 33 5 18 5 8 5 2 5 0 5 5 233 A 62 0 34 1 18 0 8 0 2 0 0 1 0 5 0 238 A 100 5 63 5 33 5 18 5 8 5 2 5 0 5 5 244 A 100 5 62 5 34 5 19 4 8 5 2 5 0 5 4


14


SCORE



15


SCORE



16


SCORE



17


SCORE

614 A 100 5 68 1 30 1 15 1 7 2 2 5 0 5 1 616 A 100 5 63 5 33 5 18 5 8 5 2 5 0 5 5

Legend: Yellow denotes failure Red denotes outlier


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APPENDIX – B CT 202 (SAMPLE B) - INITIAL TEST RESULTS


SCORE

9 B 100 5 70 5 29 5 16 4 7 5 2 5 0 5 4 12 B 100 5 61 1 29 5 14 3 6 1 2 5 0 5 1 17 B 100 5 68 5 29 5 15 5 7 5 2 5 0 5 5 19 B 100 5 69 5 28 4 18 1 10 1 3 1 1 1 1 22 B 100 5 69 5 31 3 15 5 7 5 2 5 0 5 3 23 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 24 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 28 B 100 5 70 5 29 5 15 5 7 5 2 5 0 5 5 30 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 31 B 100 5 69 5 28 4 15 5 7 5 2 5 0 5 4 32 B 100 5 69 5 30 5 15 5 7 5 2 5 0 5 5 40 B 100 5 68 5 28 4 15 5 7 5 2 5 0 5 4 41 B 100 5 68 5 28 4 15 5 7 5 2 5 0 5 4 45 B 100 5 68 5 29 5 16 4 7 5 2 5 0 5 4 46 B 100 5 69 5 30 5 15 5 7 5 2 5 0 5 5 47 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 48 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 53 B 100 5 70 5 29 5 15 5 7 5 2 5 1 3 3 56 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 57 B 100 5 69 5 30 5 15 5 7 5 2 5 0 5 5 64 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 66 B 100 5 68 5 28 4 15 5 7 5 2 5 0 5 4 67 B 100 5 70 5 31 3 16 4 7 5 2 5 0 5 3


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SCORE

71 B 100 5 68 5 29 5 15 5 7 5 2 5 0 5 5 74 B 100 5 66 4 30 5 17 1 7 5 2 5 0 5 1 79 B 100 5 68 5 28 4 15 5 7 5 2 5 0 5 4 84 B 100 5 69 5 28 4 15 5 7 5 3 3 1 3 3 88 B 100 5 69 5 30 5 15 5 7 5 2 5 0 5 5 90 B 100 5 69 5 32 1 16 4 7 5 2 5 0 5 1 91 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 92 B 100 5 70 5 31 3 15 5 7 5 2 5 0 5 3 93 B 100 5 69 5 29 5 16 4 7 5 2 5 0 5 4 97 B 100 5 68 5 31 3 15 5 7 5 2 5 0 5 3

100 B 100 5 66 4 29 5 15 5 7 5 3 3 0 5 3 116 B 100 5 68 5 28 4 16 4 8 3 3 3 1 3 3 118 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 122 B 100 5 65 3 30 5 15 5 6 3 2 5 0 5 3 125 B 100 5 69 5 30 5 15 5 7 5 2 5 0 5 5 131 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 132 B 100 5 69 5 28 4 15 5 7 5 2 5 0 5 4 135 B 100 5 62 1 33 1 18 1 8 2 2 5 0 5 1 139 B 100 5 97 0 29 5 14 3 7 5 2 5 0 5 0 141 B 100 5 68 5 29 5 15 5 7 5 2 5 0 5 5 142 B 100 5 68 5 28 4 15 5 7 5 2 5 0 5 4 146 B 100 5 69 5 28 4 16 4 7 5 2 5 0 5 4 149 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 151 B 100 5 70 5 30 5 15 5 7 5 2 5 0 5 5 154 B 100 5 68 5 29 5 15 5 7 5 2 5 0 5 5


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SCORE

156 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 166 B 100 5 69 5 28 4 15 5 7 5 2 5 0 5 4 169 B 100 5 69 5 29 5 14 3 6 3 2 5 0 5 3 177 B 100 5 67 5 29 5 15 5 7 5 2 5 0 5 5 179 B 100 5 72 3 29 5 16 4 7 5 2 5 0 5 3 184 B 100 5 69 5 30 5 15 5 7 5 2 5 0 5 5 195 B 100 5 69 5 28 4 15 5 7 5 2 5 0 5 4 196 B 100 5 68 5 28 4 15 5 7 5 2 5 0 5 4 205 B 100 5 69 5 28 4 15 5 7 5 2 5 0 5 4 209 B 100 5 61 1 28 4 15 5 7 5 2 5 0 5 1 216 B 100 5 67 5 28 4 15 5 7 5 2 5 0 5 4 217 B 100 5 69 5 30 5 16 4 7 5 2 5 0 5 4 218 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 219 B 100 5 69 5 30 5 16 4 7 5 2 5 1 3 3 226 B 100 5 70 5 29 5 15 5 7 5 2 5 1 3 3 228 B 100 5 67 5 29 5 15 5 7 5 2 5 0 5 5 233 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 234 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 241 B 100 5 68 5 30 5 15 5 7 5 2 5 0 5 5 255 B 100 5 68 5 29 5 15 5 7 5 2 5 1 3 3 264 B 100 5 68 5 29 5 15 5 7 5 2 5 0 5 5 266 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 267 B 100 5 63 1 33 1 18 1 8 2 2 5 0 5 1 269 B 100 5 67 5 29 5 15 5 7 5 2 5 0 5 5 281 B 100 5 69 5 30 5 15 5 7 5 2 5 0 5 5


21


SCORE



22


SCORE



23


SCORE

521 B 100 5 69 5 28 4 15 5 7 5 2 5 0 5 4 524 B 100 5 67 5 28 4 15 5 7 5 2 5 0 5 4 533 B 100 5 68 5 28 4 15 5 7 5 2 5 0 5 4 540 B 100 5 64 2 32 1 17 1 8 2 2 5 0 5 1 543 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 547 B 100 5 66 4 28 4 15 5 8 3 2 5 0 5 3 561 B 100 5 69 5 28 4 15 5 7 5 2 5 0 5 4 574 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 576 B 68 1 29 0 15 0 7 0 2 0 0 1 0 5 0 580 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 584 B 100 5 68 5 28 4 15 5 7 5 2 5 0 5 4 586 B 100 5 71 4 30 5 15 5 7 5 2 5 0 5 4 589 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 593 B 100 5 67 5 28 4 14 3 8 3 1 3 0 5 3 595 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5 603 B 100 5 68 5 29 5 15 5 7 5 2 5 0 5 5 607 B 100 5 68 5 30 5 16 4 7 5 2 5 0 5 4 615 B 100 5 69 5 30 5 15 5 7 5 2 5 0 5 5 628 B 100 5 62 1 34 1 18 1 8 2 2 5 0 5 1 630 B 100 5 69 5 29 5 15 5 7 5 2 5 0 5 5



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APPENDIX – C CT 202 (SAMPLE C) - INITIAL TEST RESULTS


SCORE

38 C 100 5 65 5 27 3 16 5 6 5 2 5 0 5 3 39 C 100 5 60 3 28 4 14 3 6 5 2 5 0 5 3 55 C 100 5 65 5 30 5 15 5 6 5 2 5 0 5 5 75 C 100 5 64 5 30 5 15 5 6 5 2 5 0 5 5 94 C 100 5 64 5 30 5 15 5 6 5 2 5 0 5 5 99 C 100 5 64 5 29 5 15 5 6 5 2 5 0 5 5

113 C 100 5 65 5 30 5 15 5 6 5 2 5 1 3 3 123 C 100 5 70 3 29 5 15 5 7 4 2 5 0 5 3 140 C 100 5 69 4 29 5 15 5 7 4 2 5 0 5 4 143 C 100 5 64 5 29 5 15 5 6 5 3 3 0 5 3 148 C 100 5 61 4 33 1 18 1 8 1 2 5 0 5 1 180 C 100 5 96 0 29 5 16 5 6 5 2 5 0 5 0 182 C 100 5 59 2 29 5 15 5 6 5 2 5 0 5 2 201 C 100 5 63 5 29 5 14 3 6 5 2 5 0 5 3 206 C 100 5 70 3 28 4 14 3 6 5 2 5 0 5 3 220 C 100 5 65 5 30 5 15 5 7 4 2 5 0 5 4 270 C 100 5 65 5 30 5 15 5 6 5 2 5 0 5 5 283 C 100 5 65 5 35 0 18 1 8 1 2 5 0 5 0 286 C 100 5 65 5 29 5 15 5 6 5 2 5 0 5 5 304 C 100 5 64 5 29 5 15 5 6 5 2 5 0 5 5 312 C 100 5 64 5 29 5 15 5 6 5 2 5 0 5 5 318 C 100 5 62 4 29 5 15 5 6 5 2 5 0 5 4


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SCORE

319 C 100 5 69 4 29 5 15 5 7 4 2 5 0 5 4 330 C 100 5 64 5 29 5 15 5 6 5 2 5 0 5 5 337 C 100 5 69 4 29 5 15 5 7 4 2 5 0 5 4 349 C 100 5 63 5 28 4 14 3 6 5 2 5 0 5 3 352 C 100 5 65 5 30 5 16 5 6 5 2 5 0 5 5 361 C 100 5 64 5 31 3 15 5 6 5 2 5 0 5 3 379 C 100 5 65 5 30 5 16 5 6 5 2 5 0 5 5 382 C 100 5 65 5 29 5 16 5 6 5 2 5 0 5 5 387 C 100 5 68 4 29 5 15 5 7 4 2 5 0 5 4 395 C 100 5 64 5 30 5 15 5 8 3 2 5 0 5 3 402 C 100 5 69 4 30 5 15 5 6 5 2 5 0 5 4 413 C 100 5 64 5 30 5 15 5 6 5 2 5 0 5 5 418 C 100 5 69 4 28 4 15 5 7 4 2 5 0 5 4 438 C 100 5 64 5 29 5 15 5 6 5 2 5 0 5 5 444 C 100 5 63 5 29 5 15 5 6 5 2 5 0 5 5 449 C 100 5 65 5 30 5 16 5 6 5 3 3 0 5 3 509 C 100 5 72 1 30 5 15 5 6 5 2 5 0 5 1 516 C 100 5 64 5 31 3 15 5 6 5 2 5 0 5 3 527 C 100 5 60 3 29 5 16 5 6 5 2 5 0 5 3 538 C 100 5 64 5 30 5 16 5 6 5 2 5 0 5 5 590 C 100 5 68 4 30 5 17 2 8 1 3 1 0 5 1 600 C 100 5 62 4 29 5 15 5 6 5 2 5 0 5 4 627 C 100 5 64 5 30 5 15 5 6 5 2 5 0 5 5



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APPENDIX – D CT 202 (SAMPLE A) – RETEST RESULTS

CT ID # SAMPLE #4 SCORE #8 SCORE #16 SCORE #30 SCORE #50 SCORE #100 SCORE #200 SCORE

FINAL RETEST SCORE

27 A 100 5 65 5 30 5 15 5 6 5 2 5 0 5 5 69 A 100 5 64 5 30 5 15 5 6 5 2 5 0 5 5 73 A 100 5 60 3 29 5 15 5 6 5 2 5 0 5 3 77 A 100 5 64 5 29 5 15 5 6 5 2 5 0 5 5

172 A 100 5 63 5 28 4 14 3 6 5 2 5 0 5 3 233 A 100 5 64 5 30 5 15 5 6 5 2 5 0 5 5 284 A 100 5 65 5 30 5 16 5 8 1 3 1 1 1 1 285 A 100 5 65 5 31 3 15 5 6 5 2 5 0 5 3 289 A 100 5 65 5 30 5 15 5 6 5 2 5 0 5 5 367 A 100 5 69 4 29 5 15 5 7 4 2 5 0 5 4 389 A 100 5 64 5 29 5 15 5 6 5 2 5 0 5 5 396 A 100 5 64 5 31 3 15 5 6 5 2 5 0 5 3 476 A 100 5 60 3 29 5 15 5 6 5 2 5 0 5 3 609 A 100 5 64 5 29 5 15 5 6 5 2 5 0 5 5 614 A 100 5 64 5 31 3 15 5 6 5 2 5 0 5 3

Legend: Blue denotes IA Witness


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APPENDIX – E CT 202 (SAMPLE B) – RETEST RESULTS


FINAL RETEST SCORE

12 B 100 5 65 5 29 5 15 5 7 4 2 5 0 5 4 19 B 100 5 64 5 29 5 15 5 6 5 2 5 0 5 5 74 B 100 5 65 5 31 3 15 5 6 5 2 5 0 5 3 90 B 100 5 65 5 31 3 16 5 6 5 2 5 0 5 3

135 B 100 5 63 5 29 5 15 5 6 5 2 5 0 5 5 139 B 100 5 97 1 29 5 14 3 7 4 2 5 0 5 1 209 B 100 5 64 5 29 5 15 5 6 5 2 5 0 5 5

267* B

369 B 100 5 69 4 29 5 15 5 7 4 2 5 0 5 4 372 B 100 5 64 5 29 5 15 5 6 5 2 5 0 5 5 407 B 100 5 65 5 30 5 15 5 6 5 2 5 0 5 5 469 B 100 5 69 4 29 5 15 5 7 4 2 5 0 5 4 540 B 100 5 64 5 30 5 15 5 6 5 2 5 0 5 5 576 B 100 5 63 5 29 5 15 5 6 5 2 5 0 5 5 628 B 100 5 64 5 30 5 15 5 6 5 2 5 0 5 5

Legend: Blue denotes IA Witness Note: *lab closed before running re-test sample (no data submitted)


28

APPENDIX – F CT 202 (SAMPLE C) – RETEST RESULTS


FINAL RETEST SCORE

148 C 100 5 62 4 29 5 15 5 6 5 2 5 0 5 4 180 C 100 5 65 5 31 3 16 5 6 5 2 5 0 5 3 182 C 100 5 65 5 30 5 15 5 6 5 2 5 0 5 5 283 C 100 5 64 5 30 5 15 5 6 5 2 5 0 5 5 509 C 100 5 65 5 30 5 15 5 6 5 2 5 0 5 5 590 C 100 5 64 5 30 5 15 5 6 5 2 5 0 5 5


29

APPENDIX – G CT 202 – IA WITNESS RESULTS


SCORE

284 A 100 5 69 4 29 5 15 5 8 3 2 5 0 5 3 139 B 100 5 69 4 30 5 15 5 7 4 2 5 0 5 4


29

APPENDIX – H CT 217 – INITIAL TEST RESULTS

CT ID # Sand

Equivalent Average

Score

1 68 5

2 70 4

3 64 5

5 70 4

6 81 0

7 70 4

9 63 5

10 68 5

12 67 5

17 62 5

18 69 5

19 61 5

20 67 5

22 61 5

23 69 5

24 63 5

27 68 5

28 63 5

29 68 5

30 67 5

31 58 4

32 59 4

38 61 5

39 64 5

40 63 5

41 49 0


30

CT ID # Sand

Equivalent Average

Score

42 73 3

43 70 4

45 66 5

46 58 4

47 64 5

48 56 3

49 65 5

50 73 3

52 72 4

53 67 5

55 57 3

56 56 3

57 63 5

58 71 4

59 65 5

63 69 5

64 57 3

65 70 4

66 55 3

67 61 5

68 69 5

69 62 5

71 59 4

73 66 5

74 63 5

75 66 5

76 66 5

77 76 2


31

CT ID # Sand

Equivalent Average

Score

79 65 5

81 69 5

83 66 5

84 63 5

86 63 5

88 58 4

90 64 5

91 63 5

92 61 5

93 59 4

94 56 3

96 66 5

97 57 3

98 66 5

99 58 4

100 67 5

102 70 4

103 67 5

104 69 5

110 65 5

112 71 4

113 57 3

114 70 4

116 56 3

118 57 3

120 67 5

122 65 5

123 64 5


32

CT ID # Sand

Equivalent Average

Score

125 49 0

128 72 4

131 66 5

132 64 5

135 64 5

137 67 5

139 63 5

140 54 2

141 62 5

142 57 3

143 59 4

144 65 5

145 43 0

146 63 5

147 67 5

148 69 5

149 62 5

151 65 5

154 62 5

155 67 5

156 62 5

158 64 5

159 70 4

160 64 5

161 65 5

164 68 5

165 63 5

166 62 5


33

CT ID # Sand

Equivalent Average

Score

169 67 5

170 69 5

172 61 5

173 69 5

176 68 5

177 59 4

179 60 5

180 64 5

182 66 5

183 67 5

184 57 3

187 70 4

189 72 4

191 72 4

192 62 5

193 71 4

195 64 5

196 64 5

197 67 5

198 70 4

201 63 5

203 66 5

205 63 5

206 63 5

207 62 5

208 71 4

209 64 5

210 73 3


34

CT ID # Sand

Equivalent Average

Score

211 71 4

213 65 5

214 70 4

216 61 5

217 61 5

219 58 4

220 67 5

221 59 4

225 69 5

226 67 5

228 66 5

232 66 5

233 62 5

233 64 5

234 63 5

237 61 5

238 61 5

241 62 5

244 70 4

245 55 3

246 65 5

248 66 5

249 69 5

252 62 5

253 67 5

255 59 4

256 62 5

257 76 2


35

CT ID # Sand

Equivalent Average

Score

258 64 5

261 78 1

263 68 5

264 70 4

265 67 5

266 56 3

267 64 5

269 63 5

270 65 5

271 67 5

277 62 5

281 63 5

282 61 5

283 67 5

284 68 5

285 63 5

286 59 4

288 67 5

289 69 5

290 67 5

293 68 5

296 63 5

301 56 3

302 71 4

303 71 4

304 63 5

309 72 4

310 68 5


36

CT ID # Sand

Equivalent Average

Score

311 71 4

312 64 5

314 67 5

316 64 5

317 68 5

318 60 5

319 67 5

321 79 1

322 64 5

326 72 4

329 66 5

330 61 5

331 67 5

332 65 5

333 69 5

334 62 5

337 64 5

338 60 5

340 66 5

341 69 5

342 64 5

346 63 5

347 56 3

348 66 5

349 63 5

351 68 5

352 61 5

353 58 4


37

CT ID # Sand

Equivalent Average

Score

354 64 5

356 56 3

360 72 4

361 58 4

362 67 5

364 72 4

366 66 5

367 60 5

369 60 5

370 65 5

372 62 5

375 64 5

377 68 5

378 58 4

379 61 5

382 66 5

383 68 5

384 69 5

385 66 5

387 66 5

388 67 5

389 64 5

391 72 4

393 62 5

394 66 5

395 64 5

396 63 5

398 60 5


38

CT ID # Sand

Equivalent Average

Score

399 66 5

400 64 5

401 61 5

402 58 4

403 64 5

405 72 4

407 63 5

412 65 5

413 67 5

416 67 5

417 68 5

418 64 5

419 71 4

420 84 0

422 68 5

423 74 3

426 59 4

428 70 4

430 63 5

432 69 5

434 64 5

437 59 4

438 62 5

441 67 5

442 62 5

443 72 4

444 63 5

445 65 5


39

CT ID # Sand

Equivalent Average

Score

447 69 5

448 70 4

449 65 5

451 61 5

455 60 5

457 67 5

461 67 5

462 63 5

464 61 5

469 65 5

476 68 5

479 67 5

480 69 5

482 67 5

483 67 5

485 66 5

493 64 5

495 60 5

501 73 3

509 60 5

511 65 5

515 65 5

516 63 5

520 63 5

521 59 4

522 66 5

524 57 3

527 69 5


40

CT ID # Sand

Equivalent Average

Score

533 66 5

534 59 4

535 60 5

536 60 5

538 63 5

540 67 5

541 68 5

543 58 4

547 68 5

549 65 5

550 59 4

551 67 5

552 70 4

561 61 5

565 67 5

569 68 5

574 61 5

576 61 5

580 59 4

581 63 5

584 66 5

586 59 4

587 65 5

589 64 5

590 65 5

593 67 5

595 53 2

600 64 5


41

CT ID # Sand

Equivalent Average

Score

603 60 5

604 73 3

608 73 3

609 67 5

614 65 5

615 62 5

616 78 1

627 61 5

628 65 5

630 59 4



42

APPENDIX – I CT 217 – RE-TEST RESULTS

CT ID # Sand

Equivalent Average

Score

6 62 5

41 64 5

77 69 4

125 47 1

140 62 5

145 53 1

257 57 3

261** 78 1

321 66 5

420 67 5

595 51 1

616** 53 1

Legend: Blue denotes IA Witness **Note: lab did not participate in IA witness Currently in active


43

APPENDIX – J CT 217 – IA WITNESS RESULTS

CT ID # Sand

Equivalent Average

Score

125 60 4

145 60 4

595 56 3

Date post:	05-Jun-2018
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