The CARB plans to amend the
Emission Inventory
Criteria Guidelines Regulation to include provisions for diesel engines
in the AB2588 Program. The information presented in this web site regarding
AB2588 requirements for diesel engines is subject to final approval of
CARB’s rule amendments. Under the current CARB’s proposal, it is expected
that the Air Toxics “Hot Spots” Information and Assessment Act (AB 2588)
will require facilities with diesel engines to report their diesel emissions
starting in 2006. In order to reduce the compliance cost to facilities, the
AQMD staff will use the Rule 1470 Compliance Status Report submittal for
each facility to estimate emissions and health risks and assess the
facility’s status in the AB 2588 program. This will enable the AQMD staff
to ensure compliance with both programs and determine if a facility must
prepare a health risk assessment and,
if necessary, perform public notification
and implement risk reduction.
Under the current CARB’s proposal, for new facilities with diesel engines
that are not currently in the AB2588 Program, the AQMD staff will estimate
health risk from the information submitted in the Compliance Status
Reports. For existing AB 2588 facilities, the AQMD staff will estimate
health risk associated with the diesel engines from the Compliance Status
Reports and add it to the risk from the other equipment at the facility to
estimate a facility-wide health risk. Based on the estimated risks, the
AQMD staff will place the facilities in different categories, if
appropriate, which will determine if they are subject to any other AB 2588
requirements and/or fees.
According to the current proposed CARB’s regulation, the AQMD staff may
classify a facility as a “Diesel Engine-Only” facility if diesel PM is the
only air pollutant released from the facility that has the potential to
impact public health. A “Diesel Engine-Only” facility is eligible for
modified requirements for inventory reporting, risk assessment, public
notification, and fees. However, if a “Diesel Engine Only” facility
increases its emissions of any listed substance, including diesel PM, the
facility is immediately subject to the AB2588 requirements and must submit a
complete inventory report to the AQMD upon request. An existing AB2588
facility with “low priority” score may also request that the AQMD include
them in the “Diesel Engine Only” facility classification.
Under the current CARB’s proposal, an existing AB2588 facility designated as
“intermediate priority” or “high priority” score may not be classified as a
“Diesel Engine Only” facility. An existing AB2588 facility with an approved
Health Risk Assessment designated as “low risk” may also not be classified
as a “Diesel Engine Only” facility.
For more information about the following:
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