89 



20 



1 domestic animals in close association with 



2 humans may be used in the monitoring 



3 methods referred to in clause (i) to assess 



4 levels of human exposure to lawn and gar- 



5 den pesticides. 



6 (B) Determinations by the adminis- 



7 trator. — The Administrator shall determine 



8 the following: 



9 (i) The range of the distance over 



10 which residues of the pesticides travel from 



1 1 the site of initial application. 



12 (ii) The extent to which each of the 



13 pesticides is capable of penetrating homes 



14 and other buildings. 



15 (iii) A range with respect to the pe- 



16 riod of time that each of the pesticides per- 



17 sists on lawns and gardens and on other 



18 recreational areas, including athletic play- 



19 ing fields and golf courses (calculated for 



20 variable climatic conditions and uses of the 



21 pesticide). 



22 (iv) Other related information con- 



23 cerning potential routes of exposure that 



24 the Administrator determines to be appro- 



25 priate. 



•S 1545 is 



