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SITE-SPECIFIC LAND APPLI CAT ION PLAN
<br />S,:ptagc so lids will be applied using a 111 ,11111n: spn:adcr. To calibrate the application v.:hick. th.: land application
<br />contrm:tor will utilize the following : .. Spn:adcr Calibration \Vorkshcct for Oiosolids Appli.:ation Version 1.0.
<br />II.lard,. 1999 . authored by Dan Sulli,·an. Exhmsion Soil Schmtist. Ort?gon Stall! University"". Please see
<br />.-\ttach1110:nt fi I. whid1 .::ontains an 11nc11111pkt.:d cnlihration spr.:adshe.:I.
<br />Note that any when! grown as a rt?sult of land application of scptage solid s shall not be harvested .
<br />Prior lo nppli.alion. soil s ampling will be conducted to d.:t.:nnin.: the nitrogen co111.:111 ofth.: soil. For Option s I
<br />and 2. dch:nninc the agro110111i c rate lo appl~ lhc septage solids . Thc agronomic rnlc depends on the crop
<br />nitrogen rc11uiremcnls . the nilrogcn available in thc soil :md regulatory li111ils for trncc ckm~nl application .
<br />To 111eet th.: pathogen and vector attraction reduct ion rel111in:111enls in WAC 173-308-270(3) and (4). on e or thc
<br />following <1plions will he ntiliz.:d.
<br />I . S.:pt;1gc solids will bc in..:orporat.:d into th.: land application site soils within 6 hours following application .
<br />'[lh: land application contr:1..tor will incorporate the material us ing a di sc or other approprint.: impkmcnl to
<br />allow ndeqnatc incorporati on.
<br />2. Lim.: will be mix.:d with the scptag.: solids to rai se th.: pl! to al !.:.1st 12. and a pll of nt lea s t 12 will be
<br />111nintaincd for at least 30 minutes prior lo applicmion. Surfoc.: applicntion will he used without subscl1uc111
<br />in.:orporntion.
<br />·n,c land application contr,1ctor shall also b.: rc,1uir.:d to monitor th.: lime stabilization process to ensure the pll
<br />is I 2 or gr.:atcr for 2 h1)11r.; and I I .5 or grcat.:r al\.:r nn nddil ional 22 hours atkr th.: application of the lime. 1\o
<br />scptag.: solids will be allow.:d to remain on the surfo..:<! I hour al\.:r application. livestock shall not h.: allowed to
<br />graze for JO days. th.: general public is not allowed aec.:ss lo the site and wgetation growing on the site will not
<br />h.: harvested.
<br />LAND APPLICATION EQUIPMENT
<br />111c scplui,:.: solids and li11uids will he pumped 0111 nfthe SEP. or if d.:wakr.:d. removcd using a hnd,hn.: or
<br />front-end louder.
<br />·n,c appli cati on c,1uip111 c111 ma~· vary. hut will co nsist ol' equipment ahk to uppl y th c scptagc unilimnly 1111d he
<br />~uitahle fo r th c tc rr nin . and crops. It is antii.:ipalcd that a lanhr spray 1n 1ck with clu ul s pln.~h plal.:s or a 111 111,ur.:
<br />s preader will he \18C d for surlilcc .1ppl icntin11s. Sludge injection equipment wou ld h.: used if'thc sept age w.mi to
<br />he in_jed ed.
<br />l'icld appli c ution~ will he d1cckcd against lhc cnlculnt.:d npplicalinn rntcs hy mc,L~111·i 11g an application arca mid
<br />1l,it,•m1ini11 !_', lhc ,111111 11 it~ :1111i li.iU ·1 h,· 11 •111 .ll 1,111-, flp lj .:,l ar,• c,,111 1 ll'Ct l 1111 h lhc c11k 11l n1c,I "l'I llc ,IIJ•••1 m11e
<br />, \JJ11 . 111 .r111 ~ 1,1 c1p 1i p111 c111 \\'1!1 he 11 1n1t.: to 111.:_.:t lh~ .:oku lo1.:d ,11>plt.:,11 i"n r;III.' :i~ ..-111,d> .L' I ''"illl .: < it1 e11 th.:
<br />l~'fl,: 111" ;ipp h.:a1i1 11 ,mil lh.: 11111111 •, lhc 111111 •1 i I. ,111.:1.11 iJ,11~. lri h • I ff ;111 ,11.,·m 11cy i:u..-,11" plu. 01• 11 1111 11~ 11hi>11I
<br />If-1 c, ..:111 !"hi~ i, .:1•11,1 . 1.:u1 I\ flli I 111d •l1'1'ho.:a1,,,11 ,,t ,uhc, lnd l. f.:11 ilit,r,.
<br />LAND APPLICATION RESTRICTIONS
<br />In order to .:nsure th.: seplagc is appli.:J in a ..:nnsisto.:nt 111,urner and will h.: absorbed into th.: soil. thu s.:ptagc
<br />will 1101 he applied during pcriolls of prolonged rninfoll •. '11011 or froz.:n ground. In addition . the appli.:ation <11'
<br />s.:p lng.: will h.i li m itecl I tho! 11e1 ind h c h 1.:,m ;<.11\rc h I 11 uJ ?-,;,w,rn1l>,•r I. Tj1>i c1tll y.'l11 111.l 11 pp ll l•,11io 11 will 11e.:ur
<br />in lh •:,pii ng, fo ll du rl n , 111,>ll l'I I II llnw t.o t\.,11 r w~"ll k rcri d . If :1l.ldlti1m11 l ~.:-~t i i:; ~m1·11. it wi ll no l h.: -~11w 11 unt il
<br />at least two w.:.:ks al\er th.: application . ·11,c arc a or .:ov.:tng.i wo ul(l d.:p,m il n th .: w11 .:1m ill 11 • o wing, 111 th.:
<br />t'ff'Orl l(o(ol'\'UU ~oun:~ nul fouuJ.
<br />Professiona l Services Agreement (rev . 09/24/2018)
<br />Page 21 of 28
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