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1 <br /> ' . l!sc mulch or othcr crosion conh�il mcasures ��hcn ;oils arc cxt�oscd <br /> for morc th:ui onc ���cck during thc dn scason or t��o dsys during thc <br /> ' rainy scason. i <br /> o If oil or othcr chcmicals are handlcd, storc and maintain appropriatc oil <br /> ' and chemical spill cleanup matcrials in readily acccssible locations. <br /> i nsure tliat employces arc tamiliar with proper spi:l dcanup <br /> procedures. <br /> ' • Till feitilizcrs into dic so�l rathcr than dumping or broadcasting onto <br /> thc surface. Detern�ine the proper fertilizer application for the typcs of <br /> soil and vegetation encountered. <br /> ' . Till a topsail mix or composted organic material into Qie soi] to :reatc <br /> a well-mixed transition laycr that encourages deeper rout systems and I <br /> drought-resistant plants. <br /> f . Use manual and/or mechanical methods of vegetation remo��al rather <br /> than applying herbicides, where practical. <br /> � Applicablc Operational BMPs for the Use of I'esticides: <br /> . Devclop and implement an IPM (See section on IPM at end of�I3MP) <br /> I and usc pcsticidcs only as a last reson. <br /> • lmplement a pesticide-use plan and include at a minimum: a list of <br /> sclected pesticidcs and thcir specific uses; brands, fonnulations, <br /> ( application methods and quantities to bc used; cquipment use and <br /> main[cnancc procedwes; safety, storagc, and disposal methods; and <br /> monitoring, record keeping, �nd public notice procedmcs. All <br /> I procedures shall confomi to thc requiremcnts of Chaprer ]7.21 RC�'�' <br /> and Chaptcr 1G-228 WAC (Appendix IV-D R.7). <br /> I • Choose the least toxic pesticide available thut is capable of reducing <br /> the infestatiou to acceptable Icvels. The pesticide should readily <br /> degrade in the environment and/or have properties that strongly bind it <br /> to die soil. Any pest control used should be conducted at the life stage <br /> Iwhen Uie pcst is most vulnerable. For example, if it is necessary to usc <br /> a Bacillus thurin ia ensis application to control tent caterpillars, it must <br /> I be applied before the catcrpillars cocoon or it�aill bc ineffcctive. Any <br /> method used should be site-specific and not used wholcsale ovcr a <br /> wide area. <br /> Ie Apply the pesucide according to labcl directions. Under no conditions <br /> � shall pesticides Ue applied in yuantities th�t e�ceed manufacturer's <br /> ❑15[fUCI l OI15. <br /> � <br /> I2-24 Volume IV— Source Contro/(Pullufion Prevenfion) BMPs January 2005 <br /> I <br /> � �� <br />