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  • How do the different parts of particulate matter (PM) fit together?

    The various parts of PM in the NEI are related as follows. PM10-FIL > PM25-FIL because PM10-FIL includes PM25-FIL PM25-PRI = PM25-FIL + PM-CON This equation only applies at the process level. Because some sources only can report PM2.5 (due to test method differences), this equation does not apply to…

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  • How does PM2.5 relate to PM species such as EC, OC, SO4, NO3, PMFINE, and DIESEL-PM25?

    Primary PM2.5 estimates are speciated into the five PM species in the NEI: elemental (black) carbon (EC), organic carbon (OC), nitrate (NO3), sulfate (SO4), and the remainder of PM25-PRI (PMFINE). Diesel engine PM25-PRI and PM10 emissions are also labeled as DIESEL-PM25 and DIESEL-PM10 for mobile source diesel engines. For all…

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  • Hot Work Definition and Requirements

    Facilities subject to the Program 3 Prevention Program requirements in 40 CFR Part 68 must include in their Risk Management Plan the date of the most recent review or revision of hot work permit procedures in Section 7.13. What is considered hot work and what are the requirements related to…

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  • Do I have to conduct incident investigations of releases resulting from theft?

    The incident investigation provisions of 40 CFR Part 68 (§§68.60 and 68.81) require facilities to investigate incidents that resulted in or could reasonably have resulted in a catastrophic release. Are covered facilities required to perform incident investigations of releases resulting from theft of covered substances, such as anhydrous ammonia? If…

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  • Do Program 1 processes have to complete a process hazard analysis?

    Do owners or operators of Program 1 processes have to complete a process hazard analysis? No. The Program 1 requirements do not include a process hazard analysis (40 CFR §68.12(b)). Program 3 processes require completion of a process hazard analysis (40 CFR §68.12(d)(3)) while Program 2 processes must complete a…

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  • Is a hazard review synonymous with a process hazard analysis (PHA)?

    The prevention program requirements under 40 CFR Part 68, Subparts C and D, include hazard reviews and process hazard analyses. Is a hazard review synonymous with a process hazard analysis (PHA)? No. A hazard review is different from a PHA. A hazard review is part of the Program 2 prevention…

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  • How often must compliance audits be performed?

    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 compliance with the applicable prevention program provisions at least once every three…

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  • How can residents communicate with EPA about activities at the Norwood Landfill site?

    This EPA website ( www.epa.gov/norwood ) is dedicated to the investigations in the Norwood community. We encourage you to use the site and submit any questions you might have through the form that appears on the website. We also welcome any feedback you might have on the webpage.

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  • Where can residents get the most accurate and up-to-date information on the Norwood Landfill site?

    The www.epa.gov/norwood website is the site with the most accurate and up-to-date information regarding EPA’s investigations in the Norwood community.

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  • Does compliance under OSHA's PSM demonstrate compliance with the risk management program?

    The Clean Air Act Amendments of 1990 (CAAA) mandated the Occupational Safety and Health Administration (OSHA) to develop a regulatory program to protect workers from the risk of accidents that involve hazardous chemicals. OSHA promulgated its Process Safety Management Standard (PSM) on February 24, 1992 (57 FR 6356), codified at…

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  • Applicability of compliance audit provisions to non-prevention program elements

    I have a Program 2 covered process and a Program 3 covered process at my stationary source. I am required (by 40 CFR Section 68.58 and 40 CFR Section 68.79) to certify compliance with prevention program requirements every three years. These compliance audits specifically address the prevention program portions of…

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  • Does a five-year update satisfy the requirement to conduct a compliance audit?

    The owner or operator of a stationary source with a Program 2 or Program 3 process must conduct a compliance audit at least every three years to ensure compliance with the prevention program requirements and must revise and update the risk management plan (RMP) at least every five years (§§68.58…

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  • RMP Program Level 2 and 3 compliance audit frequency

    Pursuant to the risk management program regulations, facilities with Program Level 2 and 3 processes must perform compliance audits at least once every three years (40 CFR §§68.58 and 68.79). Do regulated facilities have to perform the audits within exactly three years or can facilities perform the audits any time…

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  • Does a PHA for OSHA satisfy EPA's PHA requirement for Program 3?

    The risk management program regulations require that an initial process hazard analysis (PHA) for each Program 3 process be completed no later than June 21, 1999 (or by the time the process first has more than a threshold quantity of a regulated substance, if that occurs after June 21, 1999)…

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  • Do compliance audits cover non-prevention program requirements?

    Does the compliance audit requirement cover all of the Part 68 requirements or just the prevention program requirements? The compliance audit requirement applies only to the prevention programs under Subpart C. If you have a Program 2 process, you must certify that you have evaluated compliance with the Program 2…

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