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Greg Kester Program Manager gkester@casaweb.org. San Francisco Update. 2009 CA Biosolids Use. 661,000 dmt used or disposed 402,000 dmt (61%) Land Applied or Distributed 272,000 dmt (41%) Class A Land Application or Distribution 170,000 dmt Compost
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Greg Kester Program Manager gkester@casaweb.org San Francisco Update
2009 CA Biosolids Use • 661,000 dmt used or disposed • 402,000 dmt (61%) Land Applied or Distributed • 272,000 dmt (41%) Class A Land Application or Distribution • 170,000 dmt Compost • 130,000 dmt (20%) Class B Land Application
2009 CA Biosolids Use 110,000 dmt (17%) as ADC or Final Cover at Landfills 14,000 dmt (2%) as fuel for Cement Kilns 90,000 dmt (13%) Landfill Disposal 22,000 dmt (~3%) Surface Disposal (DLD) 19,000 dmt (~3%) Incinerated
SF History • 2000 – Expanded from ADC to LA • 2005 – Compost pilot initiated • 2006 – First giveaway at Oceanside • 2009 – Expanded to Comm Gardens
Success! • Over 125 tons given out to San Francisco residents • 2009 - Special giveaway to community gardens and schools • Looking to expand and increase in-city use!
SF Petitioned CFS/RILES petitioned to cancel giveaway Giveaway went on successfully 9/09 SF invited petitioners to CAC in Nov OCA joins petition in Jan ‘10
Continued Heat Blogs/Protests/Intrigue EPA Official on local TV CASA sent letter to AA Silva Tepid response received
Support Pours In to Mayor Regional Biosolids Assoc’ns and others send letters of support WEF/CWEA Fact Sheet Communication ongoing with NACWA EPA Region 9 very supportive
Comparative Analysis Project SF PUC analyzed 7 off the shelf products for all priority pollutants All results very comparable No elevated results of concern Good coverage in SF Chronicle
Future? Hope to bring issue for Commission vote later this Fall Region 9, CASA, others to testify Need simple majority of 5 Commissioners Unknown fate at this point
Issue to Consider EPA and defense of their regs Commission Solano County Land Application Impact to rest of CA and Nation
Arsenic Cancer Slope Factor Proposed change for IRIS CSF for inorganic arsenic published 2/19/10 Science Advisory Board (SAB) initially drafted support letter SAB held public meeting in April –much opposition SAB re-evaluating – next meeting in September