nbma 2015 annual conf - aventri › file_uploads › 4e5023da66... · 2014 ca biosolids use 688,000...
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Greg Kester
Director of Renewable Resource Programs
916-844-5262
NBMA 2015 Annual Conf
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CA Assn of Sanitation Agencies Represent more than 90% of sewered
population of California
Collection, treatment, WW recycling
Beneficial use of biosolids, energy production, nutrients, and water
Legislative, legal, regulatory, and science based advocacy
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2014 CA Biosolids Use 688,000 dmt used or disposed
433,000 dmt (64%) Land Applied or Distributed
• 271,000 dmt (39%) Class A Land Application or Distribution
• 209,000 dmt Compost
• 172,000 dmt (25%) Class B Land Application
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2014 CA Biosolids Use 113,000 dmt (16%) as ADC or Final
Cover at Landfills
9,000 dmt (1.3%) deep well injection
81% Beneficial Use (CA basis)
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2014 CA Biosolids Use
60,000 dmt (8.7%) Landfill Disposal
19,000 dmt (2.8%) Surface Disposal (DLD)
20,000 dmt (2.9%) Incinerated
31,000 (4.5%) Long Term Storage
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Governor’s Healthy Soils Initiative Budget initiative to improve CA soil
health
Working with CDFA, SWRCB, CalRecycle, USEPA to maximize opportunity
Numerous public meetings
Very positive even if not funded
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Reclamation of Fire Ravaged Land Biosolids very effective in reclaiming
fire ravaged land
Reduce erosion, improve water quality and restore soil health
May also allow native vegetation to replace invasive species
Trying to quantify through research
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Reclamation of Fire Ravaged Land Have met with key regulators and all
are supportive
Research team includes UC Davis – UC Riverside, Utah St, USEPA, UW
Plan for research using Class B, Class A, Compost, but lack funding
Still trying to find funding
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Other Reclamation Options
• Superfund Mines
• Brownfields
• Wetlands
• Overgrazed Rangeland
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Roughly 700,000 dry metric tons produced in CA annually
Most is land applied under state and federal regulations
Avoids fossil fuel based inorganic fertilizer (each lb of inorganic N requires 0.22 gallons of fossil fuel)
Sequesters carbon long term in soil
Biosolids Recycling
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Ordinance Revisions- New Day?
Working with numerous counties to revise ordinances
Emphasis is to support a return to land application and improve soil health
Note ordinances only impact unincorporated parts of Counties
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AZ
Status of County Ordinances
Ban on All Land Application
Practical Ban
Ban on Class B
Class B Land Application Allowed
Developing Ordinances
No Regulations/Ordinances Enacted
Biosolids Land
Application in
California HUMBOLDT
DEL
NORTE
MENDOCINO
SAN FRANCISCO
SISKIYOU MODOC
LASSEN SHASTA
DEL
NORTE
TEHAMA PLUMAS
GLENN BUTTE SIERRA
NEVADA
PLACER
EL DORADO
ALPINE
COLUSA
LAKE
SONOMA NAPA
YOLO
SOLANO MARIN
CONTRA COSTA
ALAMEDA
SF
SAN
MATEO SANTA
CLARA
SAN
JOAQUIN
TUOLUMNE
SAN
BENITO
TULARE
INYO
SAN LUIS
OBISPO
KERN
KINGS
SAN BERNARDINO
SANTA
BARBARA LOS
ANGELES
VENTURA
RIVERSIDE
IMPERIAL SAN
DIEGO
ORANGE
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Kern County Update Measure E Challenged in State Court
January 2011
Preliminary Injunction (PI) granted in June 2011
Upheld in Court of Appeals 2013
Summary judgement denied in Feb ‘15
Trial date now set for January 2016
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State Mandates/Goals by 2020 33% Renewable Energy
75% Recycling of Solid Waste
Achieve 1990 levels of CO2 emissions
10% reduction in Carbon Intensity of transportation fuel
Reduce SLCP
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POTW AD/METHANE USE IN CA
238 Facilities in CA over 1 MGD
153 of those facilities have AD
91% of sludge in state is digested
72% of facilities use methane produced but represents more than 87% of total flow in state
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Regulatory Jurisdictional Issue Organic waste into AD is increasing –
supports 75% recycling goal, etc.
But who permits it? In CA both Solid Waste and Water agencies could!
Developed permit language with Water Boards to satisfy CalRecycle
Regulations now adopted which exempt POTWs
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Pipeline Injection of Methane
AB 1900 passed to facilitate direct injection into pipeline
Phase 1 completed with CPUC adopting state recommended health standards and IOU recommended pipeline integrity standards
Phase 2 considered cost, including interconnection & allocated $40 Million to offset them
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SB 1122
• Requires IOU procure 250 MW from:
• 110 - Wastewater and Urban Waste
• 90 – Dairy and Ag Waste
• 50 – Forest biomass
• Proposed decision adopted 12/18/14
• Decision on Cost adopted 9/17/15
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SCAQMD Rule 1110.2 South Coast and Central Valley in
severe non-attainment for ozone
Rule places restrictive emission limits on stationary IC engines
Control Nox (11), VOC (30), and CO (250) ppm emissions as of Jan ‘16
May make IC engines utilizing biogas too costly to operate (flare instead)
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SCAQMD Rule 1110.2
Are proposing a 1 year delay (2 for those sponsoring demonstrations)
SSM portion still being debated
Far reaching impacts to entire nation so believe SSM should be dealt with separately and fully vetted
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California LCFS
Must reduce CI of transportation fuel by 10% by 2020
Developed 2 pathways for wastewater biogas conversion to fuel
POTW < 21 MGD + 30 g CO2e/MJ
POTW > 20 MGD + 7.9 g CO2e/MJ
Compared with ~ + 95 for diesel/gas
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WET CAT
High Level team to address climate change and water-energy nexus
CASA invited to join and developed work plan
Quantify AD, Methane production and potential, energy usage at POTWs
Interconnection issues