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NIST proficiency test results, NIST bulk asbestos, November 2002
Machine-extracted title · confidence 95%Summary of proficiency test results for the NIST bulk asbestos round M12002 evaluation conducted in November 2002.
NYC-WTC_000186505–000186510Page image
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NYC 9/11 Public Portal Document
NIST Bulk Asbestos Proficiency Test November 2002, Round Ml2002
NVLAP Lab Code 101953-0
SAMPLE #2
Reported Reference Acceptable Assigned Criteria by Values Answers Points Laboratory
AMOS Amosite Amosite 0 Asbestos Type (150 pts./type) Reporting Additional Asbestos Type None 0 NONE None (150 pts. if >0.1%, 75 pts. if 0.1%)
5.0 7% 2-25% 0 % Asbestos (50 pts.)
CL CL (colorless) CL (colorless) 0 Color (10 pts.)
N None None 0 Pleochroism (10 pts.)
P P (parallel) P (parallel) 0 Extinction (10 pts.)
P P (positive) P (positive) 0 Sign of Elongation (10 pts.) Average Refractive Index (40 pts. 1.696 Y=1.7O1 7=1.692-1.710 each index, 10 pts if Y=a or y & a 0 1.676 a=1.680 0=1.671-1.689 reversed)
M M (medium) M (medium) 0 Birefringence (10 pts.)
Total Points Assigned for Sample #2=0
CITY_21MC100_011193788
NYC-WTC_000186508
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NYC-WTC_000186508Source: NYC Law Department, mirrored locally
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