Learn the Issues
-
Worst case release scenario for toxic and flammable substances in same Program 1 process
Under the risk management program regulations in 40 CFR Part 68, if a Program 1 process contains a threshold amount of both a regulated toxic substance and a regulated flammable substance, should a worst case release scenario be analyzed for each of the substances in the process? Yes, a worst…
-
Worst-case release scenarios for toxics and flammables in same process
The owner or operator of a stationary source subject to the risk management program regulations must analyze the worst-case release scenario involving a Program 2 or 3 process containing a regulated flammable substance and the worst-case release scenario involving a Program 2 or 3 process containing a regulated toxic substance…
-
Definition of off-site for identifying public receptors
My processes are fenced, but my offices and parking lot for customers are not restricted. What is considered offsite? What is considered a public receptor? The unrestricted areas would be considered offsite. However, they would not be public receptors because you are responsible for the safety of those who work…
-
Intended Sulfur Dioxide Area Designations – August 2017
Recommendations for Areas to be Designated “Nonattainment” for the 2010 National Air Quality Standard for Sulfur Dioxide
-
Do the quantities of interconnected vessels need to be aggregated for the worst-case release scenario analysis?
Pursuant to the risk management program regulations, facilities must perform an offsite consequence analysis for the worst-case release scenario. Do the quantities of two separate vessels that are interconnected with a closed valve need to be aggregated for the worst-case release scenario analysis? No. Worst-case release is defined as the…
-
Do exemptions for gasoline and hydrocarbon mixtures apply to toxic substances?
The amendments to the List Rule ( 63 FR 640; January 6, 1998) added exemptions from threshold determination for regulated substances in gasoline that is in distribution or related storage for use as fuel for internal combustion engines, and for regulated substances in naturally occurring hydrocarbon mixtures prior to processing…
-
Who should sign the certification statement?
The owner or operator of a stationary source must submit in the RMP a statement certifying that the RMP is accurate and complete (40 CFR §68.185). Who should sign this certification statement? EPA has not promulgated regulations under 40 CFR Part 68 specifying who must sign the certification statement nor…
-
Facility ID number and re-registering a facility
If a facility deregisters, then reregisters, should the facility use the original RMP Facility ID or will it be assigned a new ID? The facility should use the original ID assigned by EPA.
-
Can I use any previous three year meteorological data for worst case scenario?
I am trying to complete my worst case release scenario for the Risk Management Plan under §68.25. I understand that I am required to use a wind speed of 1.5 m/s and F atmospheric stability class as specified in §68.22(b), unless I can prove that at no time over the…
-
Updating RMP if substance no longer held in excess of threshold quantity
If a facility had a covered process that was previously subject to the Program 2 or 3 requirements, but no longer holds the regulated substance in excess of the threshold quantity due to a decrease in production or storage, must the facility update its risk management plan (RMP)? If a…
-
Why did EPA select the twenty percent concentration cut-off value for aqueous ammonia?
The list of regulated substances in 40 CFR §68.130 includes aqueous ammonia that is at a concentration of 20 percent (by weight) or greater. Why did EPA select 20 percent as the concentration cut-off value? Commonly used commodity solutions of ammonia (which mean the bulk shipments, not bottles of ammonia…
-
Five-year accident history in initial RMP submission
The owner or operator of a stationary source subject to 40 CFR Part 68 must include a five-year accident history that includes significant accidental releases of one or more of the regulated substances from a covered process in the five years prior to the submission of an initial or updated…
-
Intended Sulfur Dioxide Area Designations - Feb 2016
Intended SO2 Area Designations - Feb 2016
-
Program level 3 applicability and whether states have delegated OSHA programs
I am a publicly owned facility in a state with a delegated OSHA program. Why are my processes considered to be in Program 3 when the same processes in a state where federal OSHA runs the program are in Program 2? Federal OSHA cannot impose its rules on state or…
-
Changes required for adding new reactor vessels for same substance
What if I change a process by adding new reactor vessels, but do not change the substances? Because increasing the number of reactor vessels is usually a major change to your process, you will have six months to update your RMP to reflect changes in your prevention program elements and…
-
Resubmission of RMP for a facility that previously deregistered
A covered facility deregisters its RMP because it no longer has more than a threshold quantity of a regulated substance in a covered process. If the facility becomes subject to the CAA §112(r) risk management program regulations at a later date and submits a new RMP, should the facility submit…
-
If a covered process has an accident, when does it lose eligibility for Program 1 status?
A process covered under 40 CFR Part 68 is eligible for Program 1 requirements if it meets all of the criteria listed at 40 CFR §68.10(b). Those criteria include a requirement that the process cannot have had an accidental release of a regulated substance that led to offsite death, injury…
-
After a reportable accident, do I have to revise my RMP?
I recently submitted my five-year RMP update required by section 68.190 (b)(1) and included my accident history for the previous five years. Two months later, we had another reportable accident. Do I have to do anything to revise my RMP? Yes. You must revise your accident history within six months…
-
Recommendations for Areas to be Designated Nonattainment for the 2010 National Air Quality Standard for Sulfur Dioxide
Recommendations for Areas to be Designated “Nonattainment” for the 2010 National Air Quality Standard for Sulfur Dioxide
-
What does "contiguous property" mean?
Property that is adjoining. Public rights-of-way (e.g., railroads, highways) do not prevent property from being considered contiguous. Property connected only by rights-of-way are not considered contiguous (e.g., two plants with a connecting pipeline).