Industrial Hygiene Exposure Assessment: The Good, Bad, and

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Qualities that Effect Choice – Gas Vapor Determinant # of Exp. Assmts. Toxicity Χ 2 = 12.68, p = .027 Cramer’s V = .16 Freq. of Qual. Exp. Assmts. Χ 2 = 15.37, p = .004 Cramer’s V = .18 Χ 2 = 14.18, p = .007 � Quantity Pertinent Chi Square Findings Cramer’s – Gas V = .17 and Vapor Assessments Time Exp. How Handled Phy/Chm Prop LEV Χ 2 = 14.85, p = .013 Cramer’s V = .17 Χ 2 = 11.10, p = .05 Cramer’s V = .15 Χ 2 = 20.01, p < .001 Cramer’s V = .21 Pharmaceutical Industry Χ2 = 10.30, p = .001 Odds Ratio = 2.95 Χ 2 = 6.33, p = .012 Odds Ratio = 2.05 Χ 2 = 5.77, p = .016 Odds Ratio = 2.04
Qualities that Effect Choice – Particulate Determinant # of Exp. Assmts. Toxicity Quantity Χ 2 = 13.33, p = .020 Cramer’s V = .17 Freq. of Qual. Exp. Assmts. Χ 2 = 21.49, p
Page 1 and 2: Industrial Hygiene Exposure Assessm
Page 3 and 4: Exposure Assessment � Do we do a
Page 5 and 6: Where we Started � 1977 NIOSH Doc
Page 7 and 8: 1977 NIOSH Guidance
Page 9 and 10: 1977 NIOSH Guidance � What is the
Page 11 and 12: Exposure Assessment The Good
Page 13 and 14: AIHA Exposure Assessment Strategy o
Page 15 and 16: Example Basic Characterization Spre
Page 17 and 18: AIHA Exposure Assessment Strategy
Page 19 and 20: Exposure Point Inventories Mark Bet
Page 21 and 22: The AIHA Model Exposure Control Rat
Page 25 and 26: Ranking Qualitative Exposure Determ
Page 27: Statistical Analysis of the Selecti
Page 36 and 37: West Michigan Industrial Hygiene So
Page 38 and 39: The Bad - Statistics � What do th
Page 40 and 41: Distributions with a Mean=1, Are th
Page 42 and 43: Example: Welding fume data - estima
Page 44 and 45: Example: Welding fume data - estima
Page 46 and 47: Sample 95 th Percentile Exposure
Page 48 and 49: 90 th , 95 th , and 99 th Percentil
Page 50 and 51: Alternative upper percentile formul
Page 52 and 53: Upper Confidence Limit - 95% Confid
Page 56 and 57: Statistical Analysis of Exposure Da
Page 58 and 59: Statistical Analysis of Exposure Da
Page 60 and 61: Exposure Assessments - The Better?
Page 62 and 63: The AIHA Model Exposure Control Rat
Page 64 and 65: R.O.T. for Estimating the 95 th Per
Page 66 and 67: Bayesian Decision Analysis - BDA
Page 68: AIHA Exposure Assessment Strategy

Industrial Hygiene Exposure Assessment: The Good, Bad, and

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