ML12277A369: Difference between revisions
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| number = ML12277A369 | | number = ML12277A369 | ||
| issue date = 09/12/2012 | | issue date = 09/12/2012 | ||
| title = | | title = NRC Comments on Draft Licensee-Developed Exam (Written) (Folder 2) | ||
| author name = D'Antonio J | | author name = D'Antonio J | ||
| author affiliation = NRC/RGN-I/DRS/OB | | author affiliation = NRC/RGN-I/DRS/OB |
Revision as of 10:51, 4 April 2019
ML12277A369 | |
Person / Time | |
---|---|
Site: | Calvert Cliffs |
Issue date: | 09/12/2012 |
From: | D'Antonio J Operations Branch I |
To: | Moore R M Constellation Energy Nuclear Group |
Jackson D E | |
Shared Package | |
ML12067A049 | List: |
References | |
U01849 | |
Download: ML12277A369 (12) | |
Text
ES-401 Written Examination Review Worksheet Form ES-401-9 1. 2. 3. Psychometric Flaws 4. Job Content Flaws Q# LOK LOD (F/H) (1-5) Stem Cues T/F Credo Partial Job-Minutia #1 Back-Focus Dist. Link units ward 76 H 3 77 F 2 78 H 2 x -79 H 3 80 H 3 81 H 2 82 H 3 83 F 1 5. Other 6. 7. 8. Q= KIA SRO Only B/MtN UtEtS S S Explanation Difference between b, c? -explained E Ask "first" action -fixed N N E U U S Remove "loss of power effects" from B -fixed kJa says IJse of c.omputer, Q gives o.,t<l 110 computer -fixed Can be answered with system knowledge only' -fixed S
[Refer to Section D of ES-401 and Appendix B for additional information regarding each of the following
- 1. Enter the level of knowledge (LOK) of each question as either (F)undamental or (H)igher cognitive level. 2. Enter the level of difficulty (LOD) of each question using a 1 5 (easy -difficult) rating scale (questions in the 2 -4 range are acceptable). 3. Check the appropriate box if a psychometric flaw is The stem lacks sufficient focus to elicit the correct answer (e.g.. unclear intent, more information is needed, or too much needless The stem or distractors contain cues (I.e., clues, specific determiners, phrasing, length, The answer choices are a collection of unrelated true/false The distractors are not credible; single implausible distractors should be repaired, more than one is One or more distractors is (are) partially correct (e.g., if the applicant can make unstated assumptions that are not contradicted by 4. Check the appropriate box if a job content error is The question is not linked to the job requirements (I.e., the question has a valid KIA but, as written, is not operational in The question requires the recall of knowledge that is too specific for the closed reference test mode (I.e., it is not required to be known from The question contains data with an unrealistic level of accuracy or inconsistent units (e.g., panel meter in percent with question in The question requires reverse logic or application compared to the job
- 5. Check questions that are sampled for conformance with the approved KIA and those that are designated SRO-only (KIA and license level mismatches are unacceptable).
- 6. Enter question source: (Blank, (M)odified, or (N)ew. Check that (M)odified questions meet criteria of ES-401 Section D.2.f. 7. Based on the reviewer'S judgment, is the question as written (U)nsatisfactory (requiring repair or replacement), in need of (E)ditorial enhancement, or (S)atisfactory?
- 8. At a minimum, explain any "U" ratings (e.g., how the Appendix B psychometric attributes are not being met).
ES-401 Written Examination Review Worksheet Form ES-401-9 1. 2. 3. Psychometric Flaws 4. Job Content Flaws 5. Other 6. 7. 8. Q# LOK LOD (F/H) (1-5) Stem Cues T/F Credo Partial Job-Minutia #1 Back-Q= SRO B/M/N utE/S Explanation Focus Dist. Link units ward KIA Only 84 H 2 S 85 H 3 S 86 H 3 N U Claify "c' means eop rqmt "b" is not adequate -fixed 87 H 3 U RO knowledge?
Are some part 1 actions correct? -fixed 88 H 2 N E Clarify wording of C 89 H 3 S 90 H 3 S 91 H 3 S
[Refer to Section D of ES-401 and Appendix B for additional information regarding each of the following
- 4. Enter the level of knowledge (LOK) of each question as either (F)undamental or (H)igher cognitive level. 5. Enter the level of difficulty (LOD) of each question using a 1 5 (easy -difficult) rating scale (questions in the 2 -4 range are acceptable).
- 6. Check the appropriate box if a psychometric flaw is The stem lacks sufficient focus to elicit the correct answer (e.g., unclear intent, more information is needed, or too much needless The stem or distractors contain cues (Le., clues, specific determiners, phrasing, length, The answer choices are a collection of unrelated true/false The distractors are not credible; single implausible distractors should be repaired, more than one is One or more dis tractors is partially correct (e.g., if the applicant can make unstated assumptions that are not contradicted by
- 4. Check the appropriate box if a job content error is The question is not linked to the job requirements (Le., the question has a valid KIA but, as written, is not operational in
- The question requires the recall of knowledge that is too specific for the closed reference test mode (Le., it is not required to be known from memory). The question contains data with an unrealistic level of accuracy or inconsistent units (e.g., panel meter in percent with question in
- The question requires reverse logic or application compared to the job requirements.
- 5. Check questions that are sampled for conformance with the approved KIA and those that are designated SRO-only (KIA and license level mismatches are unacceptable).
- 6. Enter question source: (B)ank, (M)odified, or (N)ew. Check that (M)odified questions meet criteria of ES-401 Section D.2.f. 7. Based on the reviewer'S judgment, is the Question as written (U)nsatisfactory (requiring repair or replacement), in need of (E)ditorial enhancement, or (S)atisfactory?
- 8. At a minimum, explain any "U* ratings (e.g., how the Appendix B psychometric attributes are not being met).
ES-401 Written Examination Review Worksheet Form ES-401-9 1. 2. 3. Psychometric Flaws Q# LOK LOD (F/H) (1-5) Stem Cues T/F Credo Focus Dist. 92 H 2 93 H 2 N 94 H 2 95 H 2 96 H 2 X 97 H 2 98 F 2 99 H 3 100 H 2 4. Job Content Flaws 5. Other 6. 7. 8. Partial Job-Link Minutia #1 units ward Q= KIA SRO Only N B/M/N utE/S U S Explanation Only needs RO knowledge to answer -fixed N U S U S S No "below the line" knowledge, can answer with part 1 RO only Three part distracteors; can answer RO sys only -fixed .J E S Ask an explicit diagnosis and action -fixed ES-401 Written Examination Review Worksheet Form ES-401-9 1. 2, 3. Psychometric Flaws 4. Job Content Flaws 5. Other 6. 7, 8. Q# LOK LOD (FIH) (1-5) Stem Cues TIF Credo Partial Job-Minutia #/ Back-Q= SRO B/M/N U/E/S Explanation Focus Dist. link units ward KIA Only 1 H 2 S 2 H 2 S 3 H 2 S 4 H 3 S 5 H 2 S 6 H 2 S 7 H 2 E "D" not plausible
-fixed 8 H 2 E Make B va D more different
-fixed
[Refer to Section D of ES-401 and Appendix B for additional information regarding each of the following
- 7. Enter the level of knowledge (LOK) of each question as either (F)undamental or (H)igher cognitive 8, Enter the level of difficulty (LOD) of each question using a 1 -5 (easy -difficult) rating scale (questions in the 2 4 range are
- 9. Check the appropriate box if a psychometric flaw is The stem lacks sufficient focus to elicit the correct answer (e,g., unclear intent, more information is needed, or too much needless
- *
- The stem or distractors contain cues (Le., clues, specific determiners, phrasing, length, The answer choices are a collection of unrelated truelfalse The distractors are not credible; single implausible distractors should be repaired, more than one is One or more distractors is (are) partially correct (e.g" if the applicant can make unstated assumptions that are not contradicted by
- 4. Check the appropriate box if a job content error is The question is not linked to the job requirements (i.e., the question has a valid KIA but, as written, is not operational in
- The question requires the recall of knowledge that is too specific for the closed reference test mode (i.e., it is not required to be known from memory), The question contains data with an unrealistic level of accuracy or inconsistent units (e.g" panel meter in percent with question in
- The question requires reverse logic or application compared to the job requirements.
- 5. Check questions that are sampled for conformance with the approved KIA and those that are designated SRO-only (KIA and license level mismatches are unacceptable).
- 6. Enter question source: (B)ank, (M)odified, or (N)ew. Check that (M)odified questions meet criteria of ES-401 Section D,2.f, 7. Based on the reviewer'S judgment, is the question as written (U}nsatisfactory (requiring repair or replacement), in need of (E)ditorial enhancement, or 8, At a minimum, explain any "U" ratings (e,g" how the Appendix B psychometric attributes are not being ES-401 Written Examination Review Worksheet Form ES-401-9 1. 2. 3. Psychometric Flaws Q# LOK LOD (F/H) (1-5) Stem Cues T/F Credo Partial Focus Dis!. 9 F 2 10 H 2 11 F 2 12 F 3 13 H 3 14 H 3 15 16 H 3 4. Job Content Flaws 5. Other 6. 7. 8. Job-Minutia #/ Back-Q= SRO B/M/N utE/S Explanation Link units ward KIA Only S N S U KIA not for the plant replaced Q S N U Every distractor gives what the KA wants -fixed S E Capitalize "0" in "Demand" N U KA wants loss of SOC due to loss of other fluid system N U KA is loss of DC bus -replaced Q Instructions
[Refer to Section 0 of ES-401 and Appendix B for additional information regarding each of the following concepts.]
- 10. Enter the level of knowledge (LOK) of each question as either (F)undamental or (H)igher cognitive level. 11. Enter the level of difficulty (LOD) of each question using a 1 -5 (easy -difficult) rating scale (questions in the 2 -4 range are acceptable). 12. Check the appropriate box if a psychometric flaw is The stem lacks sufficient focus to elicit the correct answer (e.g., unclear intent, more information is needed, or too much needless The stem or distractors contain cues (i.e., clues, specific determiners, phrasing, length, The answer choices are a collection of unrelated true/false The distractors are not credible; single implausible distractors should be repaired, more than one is One or more distractors is (are) partially correct (e.g., if the applicant can make unstated assumptions that are not contradicted by 4. Check the appropriate box if a job content error is The question is not linked to the job requirements (i.e., the question has a valid KIA but, as written, is not operational in The question requires the recall of knowledge that is too specific for the closed reference test mode (i.e., it is not required to be known from The question contains data with an unrealistic level of accuracy or inconsistent units (e.g., panel meter in percent with question in The question requires reverse logic or application compared to the job
- 5. Check questions that are sampled for conformance with the approved KIA and those that are designated SRO-only (KIA and license level mismatches are unacceptable).
- 6. Enter question source: (B)ank, (M)odified, or (N)ew. Check that (M)odified questions meet criteria of ES-401 Section D.2.f. 7. Based on the reviewer's judgment, is the question as written (U)nsatisfactory (requiring repair or replacement), in need of (E)ditorial enhancement, or (S)atisfactory?
- 8. At a minimum, explain any "U" ratings (e.g., how the Appendix B psychometric attributes are not being met).
Written Examination Review Worksheet Form ES*401*9 1. 2. 3. Psychometric Flaws 4. Job Content Flaws 5. Other 6. 7. 8. 00 LOK LOD (1-5) Stem Cues T/F Creel. Partial Job-Minutia #1 Back-Q= SRO B/M/N utE/S Focus Dist. Link units ward KIA 17 2 X U B, d implausible.
-Fixed with stem mods 18 3 S 19 F 2 X E Answer correct, but weak. When does it trip to manual? 20 H 3 S 21 H 3 S 22 H 3 S 23 F 2 S 24 F 2 S IRefer to Section 0 of ES-401 and Appendix B for additional information regarding each of the follOwing
- 13. Enter the level of knowledge (LOK) of each question as either (F)undamental or (H)igher cognitive level. 14. Enter the level of difficulty (LOD) of each question using a 1 -5 (easy -difficult) rating scale (questions in the 2 -4 range are acceptable).
- 15. Check the appropriate box if a psychometric flaw is The stem lacks sufficient focus to elicit the correct answer (e.g., unclear intent, more information is needed, or too much needless The stem or distractors contain cues (Le., clues, specific determiners, phrasing, length, *
- The answer choices are a collection of unrelated truelfalse The distractors are not credible; single implausible distractors should be repaired, more than one is One or more distractors is (are) partially correct (e.g., if the applicant can make unstated assumptions that are not contradicted by
- 4. Check the appropriate box if a job content error is The question is not linked to the job requirements (Le., the question has a valid KIA but, as written, is not operational in The question requires the recall of knowledge that is too specific for the closed reference test mode (Le., it is not required to be known from The question contains data with an unrealistic level of accuracy or inconsistent units (e.g., panel meter in percent with question in The question requires reverse logic or application compared to the job
- 5. Check questions that are sampled for conformance with the approved KIA and those that are designated SRO-only (KIA and license level mismatches are unacceptable).
- 6. Enter question source: (B)ank, (M)odified, or (N)ew. Check that (M)odified questions meet criteria of ES-401 Section D.2.f. 7. Based on the reviewer's judgment, is the question as written (U)nsatisfactory (requiring repair or replacement), in need of (E)ditorial enhancement, or (S)atisfactory?
- 8. At a minimum. explain any "U" ratings (e.g., how the Appendix B psychometric attributes are not being met).
Written Examination Review Worksheet Form ES-401-9 3. Psychometric Flaws Stem I Cues II Cred*IPartial Focus Dist. 6. 8. Explanation N E I Clarify link between question and kJa
[Refer to Section D of ES-401 and Appendix B for additional information regarding each of the following
- 16. Enter the level of knowledge (LOK) of each question as either (F)undamental or (H)igher cognitive level. 17. Enter the level of difficulty (LaD) of each question using a 1 5 (easy -difficult) rating scale (questions in the 2 4 range are acceptable).
- 18. Check the appropriate box if a psychometric flaw is identified:
The stem lacks sufficient focus to elicit the correct answer (e.g., unclear intent. more information is needed, or too much needless The stem or distractors contain cues (Le., clues, specific determiners, phrasing, length, The answer choices are a collection of unrelated true/false The distractors are not credible; single implausible distractors should be repaired, more than one is One or more distractors is (are) partially correct (e.g., if the applicant can make unstated assumptions that are not contradicted by Check the appropriate box if a job content error is identified:
The question is not linked to the job requirements (i.e., the question has a valid KIA but, as written, is noi operational in content).
The question requires the recall of knowledge that is too specific for the closed reference test mode (i.e., it is not required to be known from memory). The question contains data with an unrealistic level of accuracy or inconsistent units (e.g., panel meter in percent with question in gallons).
The question requires reverse logic or application compared to the job requirements.
- 5. Check questions that are sampled for conformance with the approved KIA and those that are designated SRO-only (KIA and license level mismatches are unacceptable).
- 6. Enter question source: (Blank, (M)odified, or (N)ew. Check that (M)odified questions meet criteria of ES-401 Section D.2.f. 7. Based on the reviewer's judgment, is the question as written (U)nsatisfactory (requiring repair or replacement), in need of (Elditorial enhancement, or (S)atisfactory?
- 8. At a minimum, explain any "u" ratings (e.g., how the Appendix B psychometric attributes are not being met).
Written Examination Review Worksheet Form ES-401*9 1. 2. 3. Psychometric Flaws 4. Job Content Flaws 5. Other 6. 7. 8. Q# LOK LaD (1-5) Stem Cues T/F Credo Partial Job-Minutia #1 Back-Q= SRO B/M/N UlE/S Focus Dis!. Link units ward KIA 33 2 34 2 35 F 2 x N Not enough info to get t answer, stem gives what ka wants Give porv lifts, parameters, ask what happened -REPLACED Q 36 2 37 3 38 3 39 3 40 2 19. Enter the level of knowledge (LOK) of each question as either (F)undamental or (H)igher cognitive level. 20. Enter the level of difficulty (LOD) of each question using a 1 5 (easy difficult) rating scale (questions in the 2 -4 range are acceptable).
- 21. Check the appropriate box if a psychometric flaw is The stem lacks sufficient focus to elicit the correct answer (e.g., unclear intent, more information is needed, or too much needless The stem or distractors contain cues (I.e., clues, specific determiners, phrasing, length, The answer choices are a collection of unrelated true/false The distraclors are not credible; single implausible distractors should be repaired, more than one is One or more distractors is (are) partially correct (e.g., if the applicant can make unstated assumptions that are not contradicted by
- 4. Check the appropriate box if a job content error is The question is not linked to the job requirements (Le., the question has a valid KIA but. as written, is not operational in The question requires the recall of knowledge that is too specific for the closed reference test mode (I.e., it is not required to be known from The question contains data with an unrealistic level of accuracy or inconsistent units (e.g., panel meter in percent with question in The question requires reverse logic or application compared to the job
- 5. Check questions that are sampled for conformance with the approved KIA and those that are designated SRO-only (KIA and license level mismatches are unacceptable).
- 6. Enter question source: (B)ank, (M)odified, or (N)ew. Check that (M)odified questions meet criteria of ES-401 Section D.2.f. 7. Based on the reviewer's judgment, is the question as written (U)nsatisfactory (requiring repair or replacement), in need of (E)ditorial enhancement, or (S)atisfactory?
- 8. At a minimum, explain any "U" ratings (e.g., how the Appendix B psychometric attributes are not being met).
ES-401 Written Examination Review Worksheet Form ES*401*9 1. 2. 3. Psychometric Flaws 4. Job Content Flaws 5. Other 6. 7. 8. Q# LOK LOD (F/H) (1-5) Stem Cues TIF Cred. Partial Job-Minutia #1 Back-Q= SRO B/M/N utE/S Explanation Focus Dist Link units ward KIA Only 41 H 3 S 42 H 3 S 43 H 3 S 44 H 3 S 45 H 3 S 46 H 2 E Bulletize 1Y10, loss of vac 47 H 3 S 48 H 3 S
[Refer to Section 0 of ES-401 and Appendix B for additional information regarding each of the following
- 22. Enter the level of knowledge (LOK) of each question as either (F}undamental or (H}igher cognitive level. 23. Enter the level of difficulty (LOD) of each question using a 1 5 (easy -difficult) rating scale (questions in the 2 -4 range are acceptable).
- 24. Check the appropriate box if a psychometric flaw is The stem lacks sufficient focus to elicit the correct answer (e.g., unclear intent. more information is needed, or too much needless
- The stem or distractors contain cues (i.e., clues, specific determiners, phrasing, length, etc). *
- The answer choices are a collection of unrelated truelfalse The distractors are not credible; single implausible distractors should be repaired, more than one is One or more distractors is (are) partially correct (e.g., if the applicant can make unstated assumptions that are not contradicted by
- 4. Check the appropriate box if a job content error is The question is not linked to the job requirements (Le., the question has a valid KIA but, as written, is not operational in
- The question requires the recall of knowledge that is too specific for the closed reference test mode (Le.. it is not required to be known from memory). The question contains data with an unrealistic level of accuracy or inconsistent units (e.g., panel meter in percent with question in
- The question requires reverse logic or application compared to the job
- 5. Check questions that are sampled for confomlance with the approved KIA and those that are designated SRO-only (KIA and license level mismatches are unacceptable).
- 6. Enter question source: (B)ank, (M)odified, or (N)ew. Check that (M)odified questions meet criteria of ES-401 Section D.2.f. 7. Based on the reviewer's judgment, is the question as written (U)nsatisfactory (requiring repair or replacement), in need of (E)ditorial enhancement, or (S)atisfactory?
- 8. At a minimum. explain any "U" ratings (e.g., how the Appendix B psychometric attributes are not being met).
ES-401 Written Examination Review Worksheet Form ES-401-9 1. 2. 3. Psychometric Flaws 4. Job Content Flaws 5. Other 6. 7. 8. Q# LOK LOD (FtH) (1-5) Stem Cues TtF Credo Partial Job-Minutia #1 Back-Q= SRO B/M/N utEtS Explanation Focus Dist. Link units ward KIA Only 49 F 3 S 50 F 2 S 51 H 3 S 52 F 2 S 53 F 3 X N U Q not testing "action" part, make a 2x2 -FIXED 54 H 2 S 55 F 2 S 56 H 2 X U Why is "d" a wrong answer? -FIXED
[Refer to Section D of ES-401 and Appendix B for additional information regarding each of the following
- 25. Enter the level of knowledge (LOK) of each question as either (F)undamental or (H)igher cognitive level. 26. Enter the level of difficulty (LOD) of each question using a 1 -5 (easy difficult) rating scale (questions in the 2 4 range are acceptable).
- 27. Check the appropriate box if a psychometric flaw is The stem lacks sufficient focus to elicit the correct answer (e.g., unclear intent, more information is needed, or too much needless
- The stem or distractors contain cues (i.e., clues, specific determiners, phrasing, length, etc). *
- The answer choices are a collection of unrelated truelfalse The distractors are not credible; single implausible distractors should be repaired, more than one is One or more distractors is (are) partially correct (e.g., if the applicant can make unstated assumptions that are not contradicted by
- 4. Check the appropriate box jf a job content error is The question is not Ilnked to the job requirements (I.e., the question has a valid KIA but, as written, is not operational in
- The question requires the recall of knowledge that is too specific for the closed reference test mode (Le., it is not required to be known from memory). The question contains data with an unrealistic level of accuracy or inconsistent units (e.g., panel meter in percent with question in
- The question requires reverse logic or application compared to the job requirements.
S. Check questions that are sampled for conformance with the approved KIA and those that are designated SRO-onfy (KIA and license level mismatches are unacceptable).
- 6. Enter question source: (B)ank, (M)odified, or (N)ew. Check that (M)odified questions meet criteria of ES-401 Section D.2.f. 7. Based on the reviewer'S judgment, is the question as written (U)nsatisfactory (requiring repair or replacement), in need of (E)ditorial enhancement, or (S)atisfactory?
- 8. At a minimum, explain any "U" ratings (e.g., how the Appendix B psychometric attributes are not being met).
ES-401 Written Examination Review Worksheet Form ES-401-9 1. 2. 3. Psychometric Flaws Q# LOK LOD (F/H) (1-5) Stem Cues T/F Credo Partial Focus Dist. 57 F 2 58 H 3 X 59 F 2 60 F 2 61 H 2 62 H 3 63 H 3 64 F 2 4. Job Content Flaws 5. Other 6. 7. 8. Job-Minutia #I Back-Q= SRO B/M/N U/E/S Explanation Link units ward KIA Only S E Plausibility of c, d? Which one rqd by ops ... S S E Clarify distracters
-normal supply vs crosstie S S Technically correct? Yes, pzr fills solid S Instructions
[Refer to Section D of ES*401 and Appendix B for additional information regarding each of the following concepts.]
- 28. Enter the level of knowiedge (LOK) of each question as either (F)undamental or (H)igher cognitive level. 29. Enter the level of difficulty (LOD) of each question using a 1 -5 (easy difficult) rating scale (questions in the 2 4 range are acceptable). 30. Check the appropriate box if a psychometric flaw is The stem lacks sufficient focus to elicit the correct answer (e.g., unclear intent, more information is needed, or too much needless The stem or distractors contain cues (I.e., clues, specific determiners, phrasing, length, *
- The answer choices are a collection of unrelated truelfalse The distractors are not credible; single implausible distractors should be repaired, more than one is One or more distractors is (are) partially correct (e.g., if the applicant can make unstated assumptions that are not contradicted by 4. Check the appropriate box if a job content error is The question is not linked to the job requirements (I.e., the question has a valid KIA but, as written, is not operational in The question requires the recall of knowiedge that is too specific for the closed reference test mode (I.e., it is not required to be known from The question contains data with an unrealistic level of accuracy or inconsistent units (e.g., panel meter in percent with question in The question requires reverse logiC or application compared to the job
- 5. Check questions that are sampled for conformance with the approved KIA and those that are deSignated SRO-only (KIA and license level mismatches are unacceptable).
- 6. Enter question source: (B)ank, (M)odified, or (N)ew. Check that (M)odified questions meet criteria of ES-401 Section D.2.1. 7. Based on the reviewer's judgment, is the question as written (U)nsatisfactory (requiring repair or replacement), in need of (E)ditorial enhancement, or (S)atisfactory?
- 8. At a minimum, explain any "U" ratings (e.g., how the Appendix B psychometric attributes are not being met). ------------------.
ES-401 Written Examination Review Worksheet Form ES-401-9 1. 2. 3. Psychometric Flaws 4. Job Content Flaws 5. Other 6. 7. 8. Q# LOK LOO (F/H) (1-5) Stem Cues T/F Credo Partial Job-Minutia #1 Back-Q= SRO B/M/N UlE/S Explanation Focus Dis!. Link units ward KIA Only 65 H 3 S 66 H 2 X E "S" implausible use "an operator standing a reactivation watch" 69 F 2 S 70 H 3 S 71 F 2 E Clean up capitalization "on vs "d", use of commas in numbers 72 F 2 S 73 F 2 S 74 F 2 S 75 F 2 S