I am working on the five-year accident history portion of the hazard assessment under the RMP. Section 68.42(a) tells me to include "all accidental releases from covered processes that resulted in deaths, injuries, or significant property damage on site,
The hazard assessment requirements under 40 CFR Part 68, Subpart B include provision of a five-year accident history, as specified at §68.42. When does the five-year period to be reported in the accident history begin?
The five-year accident history mu
What is considered a recreational area?
Recreational areas would include land that is designed, constructed, designated, or used for recreational activities. Examples are national, state, county, or city parks, other outdoor recreational areas such as
Must an owner or operator include in their risk management plan (RMP) estimates of the non-residential population when defining off-site impacts for the off-site consequence analysis?
Owners or operators are required to note in the RMP the presence of
The endpoint concentrations for regulated toxic substances under the risk management program rule (40 CFR Part 68 Appendix A) are listed in units of milligrams per liter (mg/L). Is this equivalent to parts per million (ppm)?
No, mg/L is not always
At my facility, if the worst-case release scenarios for regulated toxic substances and the worst-case scenario for regulated flammable substances involve the same process, must I analyze both?
Yes. If the worst-case release scenarios for regulated toxic s
How often must owners or operators of stationary sources subject to the risk management program regulations perform compliance audits?
The regulations at 40 CFR §§68.58(a) and 68.79(a) state that owners or operators must certify that they have evaluated
I tried running the same scenarios in ALOHA and in RMP*Comp. I got different answers. Why?
The results you obtain using RMP*Comp may not closely match the results you obtain running the same release scenario in a more sophisticated air dispersion model s
The list of regulated substances under the chemical accident prevention provisions is found in 40 CFR Part 68. How did EPA select the substances to be included in this list?
The chemical accident prevention provisions promulgated pursuant to Section 112(r
Control of the same person refers to corporate control, not site management. If two divisions of a corporation operate at the same site, even if each operation is managed separately, they will count as one source provided the other criteria are met becau
The regulatory text of the June 20, 1996, Risk Management Program Rule (61 FR 31668) does not include Subpart F. What is the content of Subpart F and when was it promulgated?
Subpart F of 40 CFR Part 68 consists of the regulations concerning the list of
When must the risk management plans (RMPs) required under 40 CFR Part 68, Subpart G, be submitted? When are updates and corrections required?
Compliance with the risk management program requirements (including submission of an RMP) is required by the date
What is the distinction between a "process" and a "covered process" under the risk management program regulations at 40 CFR Part 68?
Process means any activity involving a regulated substance, including any use, storage, manufacturing, handling, or on-sit
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 (w