Fd Chem. Toxic. Vol. 25, No. 6, pp. 492-493, 1987 Pergamon Journals Ltd. Printed in Great Britain

LIST OF TABLES AND FIGURES

Tables 1. The experimental staff (p. 429) 2. The experimental subjects (p. 433) 3. Characteristics of test subjects and their experimental exposure to lead by ingestion (p. 439) 4. Lead intake, lead output and average lead concentration in urine and blood of subject MR during the period

of lead administration (p. 441) 5. Summary of data on subject MR (p. 441) 6. Variations in lead concentrations of subject MR (p. 442) 7. Partition of lead in the blood of subject MR (p. 443) 8. Lead in perspiration of subject MR at various times during the ingestion of 1 mg Pb/day (p. 443) 9. Lead retained by subject MR while he was receiving diet supplements (p. 443)

10. Lead retained by subject MR while his diet was altered (p. 444) I 1. Lead intake, lead output and average lead concentration in urine and blood of subject EB during the control

period (p. 444) 12. Lead intake, lead output and average lead concentration in urine and blood of subject EB during the period

of lead administration (p. 445) 13. Lead intake, lead output and average lead concentration in urine and blood of subject EB during the

post-exposure period (p. 445) 14. Summary of data on subject EB (p. 445) 15. Excretion of lead following lead accumulation in subject EB (p. 446) 16. Diurnal variations of the quantifies of lead in the urine and blood of subject EB (p. 446) 17. Partition of lead in the blood of subject EB (p. 446) 18. Lead in perspiration and urine excreted by subject EB (p. 446) 19. Presence of calcium and phosphorus in the food of subject EB (p. 446) 20. Observations made while subject IF was exposed to aluminium (p. 447) 21. Lead intake, lead output and average lead concentration in urine and blood of subject IF during the control,

lead administration and post-exposure periods (p. 448) 22. Summary of data on subject IF (p. 448) 23. Lead intake, lead output and average lead concentration in urine and blood of subject SW during the control

period (p. 449) 24. Lead intake, lead output and average lead concentration in urine and blood of subject SW during the period

of lead administration (p. 449) 25. Lead intake, lead output and average lead concentration in urine and blood of subject SW during the

post-exposure period (p. 449) 26. Summary of data on subject SW (p. 450) 27. Characteristics of test subjects and their experimental exposure to lead by ~ inhalation (p. 463) 28. Estimated lead retention by subjects in inhalation experiments (p. 464) 29. Summary of data on subject MOB (first exposure) (p. 465) 30. Summary of data on subject FC (first exposure) (p. 465)

Figures 1. Concentration of lead in (a) urine (mg/litre) and b (blood) (mg/100 g) of subjects MR and EB during oral

administration of lead (p. 440) 2. Mean daily output of lead in the urine of subjects in the lead ingestion experiments (p. 450) 3. Mean daily concentration of lead in the urine of subjects ingesting lead, compared in the case of subject SW

with the concentration during the control period (p. 451) 4. Mean concentration of lead in the blood of subjects ingesting lead, compared in the case of subject SW with

the concentration during the control period (p. 451) 5. Lead balance in normal human subjects at various stages of the lead ingestion experiments (p. 452) 6. Scheme of respiratory chambers (10. 456) 7. Comparison of X-ray diffraction patterns of particles in the air of a respiratory chamber occupied by a subject

and lead sesquioxide, as indicated in the literature (p. 459) 8. Lead particle generator (p. 460) 9. A section of the lead particle generator (p. 460)

10. Photomicrograph of lead particles precipitated from the atmosphere of the respiratory chamber (p. 461) 11. Illustration of the equipment used to determine the lead content of expired air (p. 464) ? 12. Alimentary intake and output of 1cad and total daily food intake by subject MOB (p. 466) 13. Alimentary intake and output of lead and total daily food intake by subject FC (first experimental period)

(p. 466) 14. Concentration of lead in the urine and mean daily lead content of food and faeces for subject FC (p. 466) 15. Mean daily urinary lead output and urinary volume of subject FC (first experimental period) (p. 467) 16. Mean daily urinary lead output and urinary volume of subject MOB (p. 467) 17. Concentration of lead in the blood of subject MOB (p. 468) 18. Concentration of lead in the blood of subject FC (p. 469) 19. Alimentary intake and output of lead by subject FC during his second experimental period (p. 470) 20. Daily urinary lead output and urinary volume of subject FC during his second experimental period (p. 471) 21. Response of blood lead levels to successive 16-week increases in the duration of exposure of subject LD to

a concentration of 0.15 mg lead/m 3 air (p. 474)

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22. Response of blood levels to successive 16-week increases in the duration of exposure of subject SB to a concentration of 0.15 rag lead/m 3 air (p. 474)

23. Response of blood lead levels to successive 16-week increases in the duration of exposure of subject JoS to a concentration of 0.15 rag lead/m 3 air (p. 475)

24. Observed relationship between the mean daily intake of lead in food and beverages and the mean daily output of lead in faeces for subject LD (p. 475)

25. Mean daily output of lead in the urine of subject LD (p. 476) 26. Observed relationship between the mean daily intake of lead in food and beverages and the mean daily output

of lead in faeces for subject SB CO. 476) 27. Mean daily output of lead in the urine of subject SB Co. 476) 28. Observed relationship between the mean daily intake of lead in food and beverages and the mean daily output

of lead in faeces for subject JoS Co. 477) 29. Mean daily output of lead in the urine for subject JoS Co. 477) 30. Response of blood lead levels and urinary output of lead to successive increases in the duration of exposure

of subject SS to a concentration of 0.01 mg lead/m 3 air (p. 478) 31. Response of blood levels and urinary output of lead to successive increases in the duration of exposure of

subject SS to a concentration of 0.02 mg lead/m 3 air Co. 479) 32. Mean stippled erythrocyte count and mean daily lead intake in food and beverages during the control,

exposure and post-exposure periods Co. 481) 33. Mean percentages of reticulocytes and mean daily lead intake in food and beverages during the control,

exposure and post-exposure periods Co. 482) 34. Mean concentration of lead in blood and mean daily lead intake in food and beverages during the control,

exposure and post-exposure periods Co. 483) 35. Mean daily urinary coproporphyrin III excretion and mean daily lead intake in food and beverages during

the control, exposure and post-exposure periods Co. 484) 36. Mean daily ALA output and mean ALA concentrations in the urine of subjects DH and PB during the

control, exposure and post-exposure periods (p. 485) 37. Mean daily output of lead in urine and mean daily lead intake in food and beverages during the control,

exposure and post-exposure periods CO. 486)

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