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Permissible Exposure Levels for Selected Military Fuel Vapors
Contents
EXECUTIVE SUMMARY
1
1
INTRODUCTION
9
2
PHYSICAL AND CHEMICAL PROPERTIES OF MILITARY FUELS
13
Jet-Propulsion Fuel 5
15
Jet-Propulsion Fuel 8
16
Diesel Fuel Marine
17
3
TOXICOKINETICS OF MILITARY FUELS
18
General Determinants of Hydrocarbon Toxicokinetics
19
Toxicokinetics of Specific Military Fuel Hydrocarbons
22
Simulated Tissue Concentrations After Exposure to Components of Military Fuels
27
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4
FUEL EXPOSURES, TOXICITY TESTING, AND AIR MONITORING IN NAVAL OPERATIONS
36
Vapor Composition
37
Setting PELs for Mixtures
39
Implications for Toxicity Testing
40
Implications for Air Monitoring
40
5
EFFECTS OF MILITARY FUEL VAPORS ON THE KIDNEY
44
Effects of Acute Exposures to Fuel Vapors
44
Effects of Subchronic Exposures to Fuel Vapors
45
Conclusions
49
6
EFFECTS OF MILITARY FUEL VAPORS ON THEHEMATOPOIETIC SYSTEM
51
Hematological Effects of JP-5 Fuel Vapors
51
Hematological Effects of JP-8 Fuel Vapors
53
Hematological Effects of DFM Fuel Vapors
54
Conclusions
55
7
EFFECTS OF MILITARY FUEL VAPORS ON THE CENTRAL NERVOUS SYSTEM
56
Neurophysiological and Psychological Effects of Fuel Vapors
57
Relationship Between STEL and Minimum Alveolar Concentrations
65
Conclusions
66
8
EFFECTS OF MILITARY FUEL VAPORS ON THE LIVER
69
Hepatic Effects of JP-5 Fuel Vapors
69
Hepatic Effects of JP-8 Fuel Vapors
72
Hepatic Effects of DFM Fuel Vapors
73
Hepatic Effects of JP-4 Fuel Vapors
75
Conclusions
77
9
EFFECTS OF MILITARY FUEL VAPORS ON THE CARDIOVASCULAR SYSTEM
82
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10
CARCINOGENIC EFFECTS OF MILITARY FUEL VAPORS
84
Epidemiological Studies
84
Experimental Animal Studies
96
Conclusions
100
11
GENOTOXIC EFFECTS OF MILITARY FUEL VAPORS
101
Assay Testing for Genotoxicity
101
Conclusions
103
12
EFFECTS OF MILITARY FUELS ON THE EYES AND SKIN
104
Dermal and Ocular Effects of JP-4 Fuel
104
Dermal and Ocular Effects of Diesel Fuel
105
Dermal and Ocular Effects of JP-8 Fuel
106
Dermal and Ocular Effects of DFM Fuel
107
Dermal and Ocular Effects of JP-5 Fuel
107
Conclusions
108
13
CONCLUSIONS AND RECOMMENDATIONS
109
REFERENCES
112
APPENDIX A
Program: Model for Two Volatile Organics
123
TABLES
3-1
Partition Coefficients for Some Volatile Hydrocarbons Found in JP-5, JP-8, and DFM
20
4-1
Personal Air Sampling Results for Work with JP-5 Fuel
38
5-1
Kidney Toxicity of Military Fuel Vapors in Experimental Animals
50
7-1
Percentages of MACs of Known Anesthetics
67
8-1
Liver Toxicity of Military Fuel Vapors in Experimental Animals
78
10-1
Kidney Cancer in Employees of the Petrochemical Industry
90
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FIGURES
3-1
Predicted blood concentrations after repeated exposure to n-hexane or toluene. Simulated exposures were for 15 min per day for 10 days to binary mixtures of each chemical at 900 mg/m3.
29
3-2
Predicted fat concentrations after repeated exposure to n-hexane or toluene. Simulated exposures were for 15 min per day for 10 days to binary mixtures of each chemical at 900 mg/m3.
29
3-3
Predicted blood concentrations after repeated exposure to n-hexane or toluene. Simulated exposures were for 8 hr per day for 10 days to binary mixtures of each chemical at 150 mg/m3.
31
3-4
Predicted fat concentrations after repeated exposure to n-hexane or toluene. Simulated exposures were for 8 hr per day for 10 days to binary mixtures of each chemical at 150 mg/m3.
31
3-5
Predicted blood concentrations after repeated exposure to n-hexane. Simulated exposures were for 8 hr per day for 10 days to binary mixtures of n-hexane and toluene at 150 mg/m3 (TWA) or for 15 min per day for 10 days to binary mixtures of each chemical at 900 mg/m3 (STEL).
32
3-6
Predicted blood concentrations after repeated exposure to toluene. Simulated exposures were for 8 hr per day for 10 days to binary mixtures of n-hexane and toluene at 150 mg/m3 (TWA) or for 15 min per day for 10 days to binary mixtures of each chemical at 900 mg/m3 (STEL).
33
3-7
Predicted fat concentrations after repeated exposure to n-hexane. Simulated exposures were for 8 hr per day for 10 days to binary mixtures of n-hexane and toluene at 150 mg/m3 (TWA) or for 15 min per day for 10 days to binary mixtures of each chemical at 900 mg/m3 (STEL).
34
3-8
Predicted fat concentrations after repeated exposure to toluene. Simulated exposures were for 8 hr per day for 10 days to binary mixtures of n-hexane and toluene at 150 mg/m3 (TWA) or for 15 min per day for 10 days to binary mixtures of each chemical at 900 mg/m3 (STEL).
34
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