83 



14 



1 (4) Emission sources, activity patterns, life- 



2 styles characteristics, and other appropriate expo- 



3 sure factors and the relative degree of contribution 



4 of the factors to human exposure to harmful chemi- 



5 cal substances. 



6 (5) Changes in exposure to harmful chemical 



7 substances over time. 



8 (6) The quantity of people exposed on a local, 



9 regional, and national basis to harmful chemical 



10 substances. 



11 (7) With respect to harmful chemical sub- 



12 stances, the relationship between exposure and dose 



13 to target tissues including uptake, metabolism, stor- 



14 age, and elimination of substances of concern. 



15 (8) The link between exposures to harmful 



16 chemical substances and manifestation of health ef- 



17 fects. 



18 (9) The effectiveness in achieving reductions in 



19 exposure to harmful chemicals of control strategies 



20 before the date of the survey. 



21 (10) The development of quality assurance 



22 methods and techniques to ensure the reliability and 



23 accuracy of exposure monitoring and evaluation. 



24 (11) The development of such data manage- 



25 ment and storage facilities as are necessary to — 



•S 1545 IS 



