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PhotosClick on the thumbnails below to see full size photos of the facility. |
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| Most recent inventory of toxic air contaminants: | 2003 |
| These are the results of the health risk
assessments (HRAs) performed on toxic emission inventories from 1991, 1994
and 1998.
Increased cancer risk is expressed as the number of individuals affected in a hypothetical population of one million. A significant risk is defined as 10 in one million or greater. Non-cancer acute (short-term) and chronic (long-term) related illnesses are conveyed in terms of the Hazard Index (HI). The HI is a ratio of the predicted concentration of the facility’s reported emissions to a concentration considered acceptable to public health professionals. A significant risk is defined as an HI of 1 or greater. The risk footprints are maps of the area affected. The facility is required to notify the people living within the footprints. Footprints are only prepared for significant risks. The footprints will change as the facility reduces its emissions and may not reflect the current risk footprint. |
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| 1991 | 1994 | 1998 | |
| Cancer risk: | 63 in a million footprint |
13 in a million footprint |
12 in a million footprint |
| Acute non-cancer risk: |
HI = 0.3 not significant |
HI = 1.8 footprint |
HI = 22.93 footprint |
| Chronic non-cancer risk: | HI = 0.8 not significant |
HI = 1.2 footprint |
HI = 0.27 not significant |
Risk "Driver" Pollutants
Polycyclic aromatic hydrocarbons (PAHs) and acrolein are the primary contributors to this facility’s significant risk status. Both PAHs and acrolein are combustion products from internal combustion engines and gas-fired boilers.
The links provided, if available, to the USEPA Unified Air Toxics Web Site Health Effects Notebook for Hazardous Air Pollutants.
Links to chemical
information will open a new browser window the first time you click one. After
that the information will appear in that same window, which may be hidden behind
the window you are viewing.
Cancer risk: polycyclic aromatic hydrocarbon (PAH)
- EPA hazard summaryAcute non-cancer risk: acrolein (endpoint = respiratory system)
- EPA hazard summary
Other Toxic Pollutants Emitted by this Facility
The following pollutants are emitted during oil processing, storage, and transfer, but are not the primary contributors to the facility’s significant risk status.
acetaldehyde
- EPA hazard summaryaluminum
arsenic
- EPA hazard summaryammonia
antimony
- EPA hazard summarybarium
benzene
- EPA hazard summaryberyllium
- EPA hazard summary1,3-butadiene
- EPA hazard summarycadmium
- EPA hazard summarycarbon tetrachloride
- EPA hazard summarychlorobenzene
- EPA hazard summarychloroform
- EPA hazard summarycobalt
- EPA hazard summarycopper
p-dichlorobenzene
- EPA hazard summary1,1-dichloroethane
- EPA hazard summary1,2-dichloropropane
- EPA hazard summary1,3-dichloropropene
- EPA hazard summaryethylbenzene
ethylene dibromide
- EPA hazard summaryethylene dichloride
- EPA hazard summaryformaldehyde
- EPA hazard summaryhexavalent chromium
- EPA hazard summaryhexane
- EPA hazard summaryhydrogen sulfide
manganese
- EPA hazard summarymercury
- EPA hazard summarymethanol
- EPA hazard summarymethylene chloride
- EPA hazard summarynaphthalene
- EPA hazard summarynickel
- EPA hazard summarypropylene
selenium
- EPA hazard summarystyrene
- EPA hazard summarytoluene
- EPA hazard summary1,1,2,2-tetrachloroethane
- EPA hazard summary1,1,2-trichloroethane
- EPA hazard summaryvanadium
vinyl chloride
- EPA hazard summaryxylene
- EPA hazard summaryzinc
The primary goal of notification under the Air Toxics "Hot Spots" Program is to inform potentially exposed individuals of significant health risks associated with toxic air emissions routinely released from facilities in Santa Barbara County. The first public notification letter for this facility was sent to the affected public on April 26, 1999.
Because this facility’s health risk assessment indicates a significant risk, the facility operator is required to conduct an airborne toxic risk reduction audit and develop a plan to implement airborne toxic risk reduction measures.
The Cat Canyon facility submitted a Risk Reduction Audit and Plan on July 13, 1999. This plan was reviewed and deemed incomplete by APCD staff. A revised plan was submitted on November 26, 2002. As part of the revised plan, Greka's Cat Canyon facility was required to submit an updated Air Toxics Emission Inventory Plan and Report.
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