Subg roup #1: F oste ring Ma rke ts for Non- Dig e ste r Proje c - PowerPoint PPT Presentation

Subg roup #1: F oste ring Ma rke ts for Non- Dig e ste r Proje c ts July 17, 2017 10:30a m-2:00pm Dair y and L ive stoc k Wor king Gr oup

Ag e nda I. Welcome and Introductions II. Context: Overview of SB 1383 and related initiatives III. Ground rules for Subgroups IV. Mission Statement review a. Mission, Process, Timeline, Deliverables b. Key Questions V. Overview of practices VI. Lunch Break (11:40-12:20) VII. Discussion and refining of practices to assess VIII.Upcoming meeting topics and dates IX. Subgroup membership gaps X. Public comments XI. Next steps

II. Context: Overview of SB 1383 and related initiatives

III. Ground rules for Subgroups

IV. Mission Statement Review: Mission, Process, Timeline, Deliverables

IV. Mission Statement Review: Key Questions

V. Overview of Practices

“Where do w e start?” An overview of non-digester practices As identified in public policy process related to SB 605 and SB 1383 July 17, 2017 Da iry a nd L ive sto c k Gre e nho use Ga s Re duc tio n Gro up, Sub g ro up 1: F o ste ring Ma rke ts fo r No n-Dig e ste r Pro je c ts

Overview :  Summa rize c o nse nsus po ints fro m pub lic po lic y disc ussio n to da te  L ist pra c tic e s/ pro je c t type s ide ntifie d during va rio us pro c e sse s  Pre se nt so me pre vio usly ide ntifie d pra c tic e -spe c ific issue s  F ra me o ur ne xt ste ps

Key consensus points emerging from this process  Dig e ste rs do n’ t wo rk fo r a ll da irie s, so it will b e diffic ult to a c hie ve re duc tio n g o a l with dig e ste rs (o r a ny o ne pra c tic e / te c hno lo g y) a lo ne .  Me tha ne re duc tio ns fro m ma nure ma na g e me nt c a n b e a c hie ve d with o the r pra c tic e s b e side s dig e ste rs  Utility a nd fe a sib ility o f pra c tic e s ma y va ry b y re g io n, c lima te , a nd style o f da iry  E c o no mic mo de ls will b e diffe re nt tha n dig e ste rs b e c a use mo st AMMPs do no t pro duc e e ne rg y o r fue l  While the re is a g o o d sc ie ntific b a sis to e xpe c t GHG re duc tio ns fro m so me pra c tic e s, muc h mo re info rma tio n is ne e de d to q ua ntify ra ng e s o f re duc tio ns po ssib le with suffic ie nt c e rta inty  As with dig e ste rs, e nviro nme nta l b e ne fits/ impa c ts to wa te r a nd a ir q ua lity sho uld b e unde rsto o d a nd mo re da ta is ne e de d

Major non-digester practices identified as meriting further evaluation and/or adoption  Me ntio ne d spe c ific a lly in SB 1383 a nd ARB SL CP Re duc tio n Stra te g y:  Co mpo sting  (Co nve rt fro m flush to ) sc ra pe syste ms  Me c ha nic a l so lids se pa ra tio n  Me ntio ne d spe c ific ally in ARB SL CP Re duc tio n Strate g y (Marc h 2017)  Co nve rsio n to pasture

Other practices  Be dde d pa c k b a rns  Pe rmuta tio ns o f “so lids se pa ra tio n”  Additio n o f c o a g ula nts, po lyme rs, o the r c he mic a ls  We e ping wa lls  Adva nc e d te c hno lo g ie s  Pyro lysis, g a sific a tio n  L a g o o n a e ra tio n  Ab o ve prac tic e s me ntio ne d in ARB-spo nso re d “E valuatio n o f Dairy Manure Manag e me nt Prac tic e s fo r Gre e nho use Gas E missio ns Mitig atio n in Califo rnia” (Kaffka e t al, F e b . 2016) and/o r during CDF A-spo nso re d AMMP wo rksho ps in e arly 2017

Not exhaustive  I nitia l g o a l wa s to summa rize b rie fly fo r c o mmitte e ide a s tha t ha ve b e e n he a rd/ do c ume nte d in re c e nt pub lic pro c e ss a nd disc ussio n  Co mmitte e a nd pub lic input e xpe c te d to :  I de ntify o the r po te ntia l pra c tic e s fo r e va lua tio n  I de ntify/ mo dify spe c ific issue s/ fra me wo rk fo r e va lua tio n (g e ne ra l a nd pra c tic e -b y-pra c tic e )  E va lua te a nd ma ke re c o mme nda tio ns re la te d to e c o no mic o ppo rtunitie s a nd b a rrie rs, re g ula to ry issue s, re se a rc h ne e ds a nd o the r ke y fa c to rs to de te rmine fe a sib ility a nd a dva nc e a do ptio n whe re a ppro pria te  Co mmitte e / pub lic input ne e de d o n prio ritie s to e va lua te

Example issues: Scrape systems  Co nve rsio n o f ma nure flushing to sc ra pe syste ms (va c uum truc ks, c ha in sc ra pe rs, e tc .) pro duc e s a slurry with hig he r so lids c o nte nt b ut vo la tile so lids no t de stro ye d a nd ma nure c a n re ma in a na e ro b ic  Wha t o ppo rtunitie s e xist to sto re a nd furthe r de -wa te r a nd c a use slurry to b e c o me dry e no ug h to sta c k o r c o mpo st? Wha t is the po te ntia l fo r me tha ne re duc tio n c o mpa re d to the syste m b e ing re pla c e d?  Wha t a re the implic a tio ns fo r o the r e missio ns a nd wa te r q ua lity?

Example issues: Compost  Do e s c o mpo sting a lre a dy dry/ sta c ka b le ma nure o r se pa ra te d so lids re duc e GHG e missio ns?  Are pre se nt re g ula tio ns c re a ting b a rrie rs to inc re a se ma nure c o mpo sting a nd wha t c a n b e do ne to a ddre ss the se ?  Do we fully unde rsta nd the o ve ra ll pic ture a nd b a la nc e o f e nviro nme nta l b e ne fits ve rsus impa c ts o f c o mpo sting ?  Are the re o ppo rtunitie s to stre ng the n ma rke ts re la te d to c o mpo st to impro ve e c o no mic s?

Example issues: Solids separation (w ith drying)  Wha t is the GHG re duc tio n po te ntia l o f this type o f te c hno lo g y?  Wha t a re the o the r e nviro nme nta l b e ne fits a nd impa c ts a nd ho w muc h do the y va ry b e twe e n diffe re nt type s o f me c ha nic a l se pa ra tio n?  Ho w do the se te c hno lo g ie s pe rfo rm in pra c tic e a nd wha t O&M is invo lve d?  Wha t is the po te ntia l o f the va rio us pe rmuta tio ns o f this te c hno lo g y to pro vide a dditio na l re ve nue stre a ms/ e c o no mic b e ne fits?

Example issues: Conversion to pasture-based systems  Wha t is the GHG re duc tio n po te ntia l?  Wha t a re the o the r e nviro nme nta l b e ne fits a nd impa c ts?  Wha t c o nditio ns a re ne e de d to e nsure suc c e ss?  Ho w do a c re a g e a nd irrig a tio n ne e ds c o mpa re to no n-pa sture da irie s?

Summary  Disc ussio n to da te ha s pro vide d insig ht into prio ritie s fo r furthe r e va lua tio n a nd a do ptio n  I t will b e up to this c o mmitte e to :  I de ntify pra c tic e s/ te c hno lo g ie s tha t me rit e va lua tio n b y a dding to a nd mo difying this list  I de ntifying spe c ific q ue stio ns/ info rma tio n g a ps to b e a ddre sse d  Prio ritizing c o mmitte e e va lua tio n to pic s within o ur time fra me  De ve lo ping a nd de live ring re c o mme nda tio ns b a se d o n kno wle dg e re c e ive d

Summary (continued)  Pe r o ur missio n sta te me nt the b a sic fra me wo rk fo r e va lua tio n is:  Unde rsta nd the po te ntia l fo r GHG re duc tio n o f the te c hno lo g y/ pra c tic e  Unde rsta nd no n-GHG e nviro nme nta l impa c ts a nd b e ne fits  Unde rsta nd issue s re la te d to fina nc ia l via b ility (c a pita l, O&M, re ve nue po te ntia l fro m pro duc ts o r c re dits, o pe ra tio na l c o st o ffse ts)  De ve lo p re c o mme nda tio ns to a dva nc e pro mising pra c tic e s a nd te c hno lo g ie s

Thank you

VI. Lunch Break

VII. Discussion and Refining of Practices to Assess

Major non-digester practices identified as meriting further evaluation and/or adoption  Me ntio ne d spe c ific a lly in SB 1383 a nd ARB SL CP Re duc tio n Stra te g y:  Co mpo sting  (Co nve rt fro m flush to ) sc ra pe syste ms  Me c ha nic a l so lids se pa ra tio n  Me ntio ne d spe c ific ally in ARB SL CP Re duc tio n Strate g y (Marc h 2017)  Co nve rsio n to pasture

Example issues: Scrape systems  Co nve rsio n o f ma nure flushing to sc ra pe syste ms (va c uum truc ks, c ha in sc ra pe rs, e tc .) pro duc e s a slurry with hig he r so lids c o nte nt b ut vo la tile so lids no t de stro ye d a nd ma nure c a n re ma in a na e ro b ic  Wha t o ppo rtunitie s e xist to sto re a nd furthe r de -wa te r a nd c a use slurry to b e c o me dry e no ug h to sta c k o r c o mpo st? Wha t is the po te ntia l fo r me tha ne re duc tio n c o mpa re d to the syste m b e ing re pla c e d?  Wha t a re the implic a tio ns fo r o the r e missio ns a nd wa te r q ua lity?

Example issues: Compost  Do e s c o mpo sting a lre a dy dry/ sta c ka b le ma nure o r se pa ra te d so lids re duc e GHG e missio ns?  Are pre se nt re g ula tio ns c re a ting b a rrie rs to inc re a se ma nure c o mpo sting a nd wha t c a n b e do ne to a ddre ss the se ?  Do we fully unde rsta nd the o ve ra ll pic ture a nd b a la nc e o f e nviro nme nta l b e ne fits ve rsus impa c ts o f c o mpo sting ?  Are the re o ppo rtunitie s to stre ng the n ma rke ts re la te d to c o mpo st to impro ve e c o no mic s?