| Assembly Bill (AB) 2588 (Connelly), the Air Toxics "Hot
Spots" Information and Assessment Act, requires facilities that are
ranked as a high priority (see Prioritization) to submit a health
risk assessment (HRA) to the air pollution control and air quality
management districts (district). A risk assessment, as defined under
the Air Toxics "Hot Spots" Act, includes a comprehensive
analysis of the dispersion of hazardous substances into the
environment, the potential for human exposure, and a quantitative
assessment of both individual and population-wide health risks
associated with those levels of exposure. The risk assessments
submitted by the facilities are reviewed by the Office of Environmental
Health Hazard Assessment (OEHHA) and approved by the
district. In addition, the district may require facilities in
the intermediate and low priority categories to also submit a health
risk assessment. |
| OEHHA HRA Guidelines |
| Senate Bill 1731, which amends the "Hot Spots"
Program, requires OEHHA to adopt risk assessment guidelines for the
program using a full public review process. You can
obtain a copy from the OEHHA website, or contact, either
by email or by phone, Melanie Marty, Chief, Air Risk
Assessment Unit, Office of Environmental Health Hazard Assessment, at
(510) 622-3154. To download a copy of HARP (HotSpots Analysis
and Reporting Program), please go to the HARP download page. |
| ARB Recommended Interim Risk
Management Policy for Inhalation-Based Residential Cancer Risk |
|
The ARB recommends that the Interim Policy for
Inhalation-Based Residential Cancer Risk be used to augment the OEHHA
Air Toxic Hot Spots Program Guidance Manual for
Preparation of Health Risk Assessment
where a single cancer risk value (rather than a range
of
risk) is needed or prudent for characterizing risk or where a single
risk value is used for risk management decision-making for
residential receptors. To download the document, click here (PDF - 429 KB).
|
|
|
| Consolidated Table of OEHHA / ARB
Approved Risk Assessment Health Values |
| The Consolidated Table
of OEHHA / ARB Approved Risk Assessment Health Values is a quick look-up
table of all cancer potency values and noncancer acute and
chronic Reference Exposure Levels (RELs) that are available for use in
the AB 2588 Air Toxics "Hot Spots" Program.
This table includes cancer potency values and noncancer reference
exposure levels (RELs) that have been approved by the Office of
Environmental Health Hazard Assessment (OEHHA) and the Air Resources
Board (ARB) or are listed in the California Air Pollution
Control Officers Association's (CAPCOA) Risk Assessment Guidelines
(1993). The OEHHA is currently
in the process of developing new risk assessment
guidelines that will update and replace the CAPCOA
guidelines. If you have any questions, please call the Air
Resources Board at (916) 323-4327 or send an email to Linda Keifer. |
| Review of Updated and Screening HRAs |
| In 1997, the staff of the ARB, the OEHHA, and the
districts collaborated to develop a streamlined process for the
submittal and review of updated, and screening,
health risk assessments (HRAs). That joint effort resulted in the
development of a set of forms (see HRA forms MSWord - PDF) intended to
accompany the submittal of updated, or screening, HRAs to the
appropriate district and to OEHHA. There is also a list of the minimum
data fields required when submitting an updated, or screening, HRA for
those individuals that chose to not use the forms developed. |
| Industrywide Risk Assessments |
| Currently, CAPCOA, in cooperation with OEHHA and
the ARB, is developing three industrywide risk assessment procedures.
The purpose of these industry specific assessments is to assist both
the districts and facilities with the emission inventory
and risk assessment requirements of the "Hot Spots" program
(see Overview of "Hot
Spots" Program). |
| The three industries covered by the industrywide
assessments are: auto bodyshops, gasoline service
stations,
and dry
cleaning facilities. Facilities which meet a specific set of
requirements outlined in the law are candidates for an industrywide
assessment. The requirements are focused on small businesses
that are from the same industrial class, where individual compliance
would impose severe economic hardships, and where emissions are easily
and generically characterized. |
| Please refer to the Industrywide Risk Assessment
List below to download a copy of a particular risk assessment or to get
in contact with the ARB or district staff person
responsible for that guideline. To obtain a hardcopy of any
industrywide risk assessment guideline document, please
contact, by email or phone, Linda Keifer of the ARB at (916)
323-4327. |
|
Industrywide Risk Assessment
Guidelines List
|
|
|
Industry
|
Status
|
File Format
|
ARB / District
Contacts
|
|
Auto Bodyshops
|
Completed
|
Acrobat (11.4MB)
|
ARB
Narci Gonzalez
(916)
324-8175
|
|
Dry Cleaners
|
In Progress
|
- -
|
ARB
Mei Fong
(916) 324-2570
|
District
Scott Lutz
Bay Area AQMD
(415) 771-6000
|
|
Gasoline Service
Stations
|
Completed
|
Acrobat (761K)
|
ARB
Kirk Rosenkranz
(916) 327-7843
|
District
David Craft
Monterey Bay Unified APCD
(408) 647-9411 x 218
|
|
Revised Appendix E
(11/01/01)
|
|
Acrobat (196K)
|
|
