Safety Info Posts

No trespassing signs restricted access onsite or offsite public receptor (EPA RMP FAQ)

The definition of public receptor is “offsite residences, institutions (e.g., schools, hospitals), industrial, commercial, and office buildings, parks, or recreational areas inhabited or occupied by the public at any time without restriction by the stationary source …” Offsite is further defined to include “areas within the property boundary [of the stationary source] to which the…...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

No trespassing signs restricted access onsite or offsite public receptor (EPA RMP FAQ) Read More »

Must I anticipate a specific cause for the worst-case scenario for a toxic substance? (EPA RMP FAQ)

When analyzing the worst-case scenario for regulated toxic substances, must I anticipate a specific cause (e.g., fire, explosion, etc.) of the scenario?… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

Must I anticipate a specific cause for the worst-case scenario for a toxic substance? (EPA RMP FAQ) Read More »

Identifying public receptors and property with restricted access (EPA RMP FAQ)

Does public receptor cover only buildings on a property or the entire property? If the owner of the land next to my site restricts access to the land, is it still a public receptor?… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

Identifying public receptors and property with restricted access (EPA RMP FAQ) Read More »

Underground storage tank off-site impacts to groundwater, drinking water, or soil (EPA RMP FAQ)

For the worst-case and alternative release scenarios of an underground storage tank, should I consider any impact on groundwater, drinking water, or soil?… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

Underground storage tank off-site impacts to groundwater, drinking water, or soil (EPA RMP FAQ) Read More »

What is the definition of “off-site property damage?” (EPA RMP FAQ)

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, or known offsite deaths, injuries, evacuations, sheltering in place, property damage, or environmental damage.”  Is there…...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

What is the definition of “off-site property damage?” (EPA RMP FAQ) Read More »

Accidental releases from non-covered processes (EPA RMP FAQ)

Should the owner or operator include accidental releases from processes containing listed substances below the threshold quantity in the five-year accident history required under the hazard assessment provisions of 40 CFR Part 68, Subpart B, and in the incident investigation requirements under 40 CFR Part 68, Subparts C and D? No…. Membership Required You must...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

Accidental releases from non-covered processes (EPA RMP FAQ) Read More »

What is the design pressure of piping?

In 2025, I have already challenged three times regarding the proper pressure testing of piping systems. I am unsure where we got off track with this rather simple requirement. First, let’s look at how ASME B31.3 defines “design pressure.”… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

What is the design pressure of piping? Read More »

Pipefitter Struck in Chest While RemovingEnd Cap from Pressurized Pipe

In December 2006, a journeyman pipefitter (P1) was struck in the chest by a pipe cap that he was removing from a pressurized pipe. Some leaks in an 8-inch waterline needed repair. To help find the leak locations, valves were closed off in the lines, creating sectionalized portions of the air-charged waterline. The waterline was…...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

Pipefitter Struck in Chest While RemovingEnd Cap from Pressurized Pipe Read More »

The energy of compressed gases

Gas cylinders holding 1.5 ft3 of gas are often filled to ~2,100 psig. At such high pressure, damaged or mishandled cylinders can fracture violently and release enormous amounts of energy, comparable to…… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

The energy of compressed gases Read More »

Safety Thought of the Week… no defense is perfect (Reason)

Despite their huge diversity, each organizational accident has at least three common features: hazards, failed defences, and losses (damage to people, assets and the environment). Of these, the most promising for effective prevention are the failed defences. Defences, barriers, safeguards, and controls exist at many levels of the system and take a large variety of…...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

Safety Thought of the Week… no defense is perfect (Reason) Read More »

OSHA extends its National Emphasis Program – Outdoor and Indoor Heat-Related Hazards to 2026

The NEP was set to expire on April 8, 2025. The extension allows OSHA to continue identifying and addressing heat-related injuries and illnesses in workplaces. The NEP enforcement initiative includes policies and procedures for implementing a National Emphasis Program (NEP) to ensure that employees in high-hazard industries are protected from heat-related hazards, both indoors and…...

Membership Required

You must be a member to access this content.

View Membership Levels

Already a member? Log in here

OSHA extends its National Emphasis Program – Outdoor and Indoor Heat-Related Hazards to 2026 Read More »

Scroll to Top