Test Chamber Simulation Studies Confirm Respirator Effectiveness for Airborne Coal Dust

Post by:
  • 4:49PM May 16, 2016

A number of personal injury claims asserted that NIOSH-approved respirators worn by coal miners were tested using silica dust and therefore were not effective for miners exposed to airborne coal dust. The NIOSH method evaluated the performance of air-purifying respirators according to Title 30, Part 11 of the Code of Federal Regulations. A law firm […]

Read More

Failure Analysis Determines Faulty Workmanship to be Cause of Defective Building Materials

Post by:
  • 4:00PM May 24, 2013

Defining the Challenge Upon completion of a high-rise residential structure, cracks and delamination appeared on exterior surfaces of the tower compelling building owners to initiate a lawsuit against the general contractor. The contractor, in turn, blamed faulty materials used by subcontractors. With so many subcontractors involved in this large construction project, it seemed an almost […]

Read More

Product Failure Analysis: Consumer Product Affected by Inappropriate Raw Material

Post by:
  • 2:58PM May 15, 2013

Soon after roofing shingles were installed, the shingle manufacturer received complaints from numerous homeowners who observed rust-colored staining discharging from the shingles. The manufacturer replaced the shingles and began an investigation into the cause of the discoloration. Their in-house testing using an industry-standard method revealed the presence of corrosion-susceptible particles that were thought to be […]

Read More

Establishing the WTC Dust Signature: Managing Post 9/11 Environmental and Damage Assessments

Post by:
  • 2:52PM May 15, 2013

The collapse of the World Trade Center Towers following the catastrophic events of 9/11 produced a dust cloud that covered much of lower Manhattan. Thousands of private and public buildings were contaminated by the dust. Building owners in the vicinity of the collapse, worried about environmental impact to their damaged buildings, retained RJ Lee Group […]

Read More

Industrial Plants Can Face Costly Nuisance Dust Claims

Post by:
  • 2:46PM May 15, 2013

Industries whose production or manufacturing facilities emit particulate are subject to EPA and other regulatory standards. To meet these standards, industry carefully regularly monitors the amount of particulate produced and is concerned with any residue generated by their facilities. A citizens group (plaintiff) filed a lawsuit against an industry defendant claiming that nuisance particulate from […]

Read More

Maintaining FDA Approval: Substitute Material

Post by:
  • 2:21PM May 15, 2013

FDA approval is required for everything from bedpans to pacemakers. And although a splintered tongue depressor is generally not life threatening, deterioration of the surface coating of a stent can present a more serious problem. Regardless of the application, the materials used in the production process of a medical device are critical to the product’s […]

Read More

Manufacturer of Fire Resistive Materials Needs Materials Performance Answers

Post by:
  • 2:17PM May 15, 2013

Manufacturers rely on raw materials in the production process to maintain quality control and product consistency. Should supplier, production, worker health and safety or regulatory issues require a substitute or replacement material, the manufacturer is faced with choosing a material that meets the established quality and consistency criteria. Our client needed to determine whether the […]

Read More

Uncovering an Art Treasure’s Hidden Secret

Post by:
  • 2:04PM May 15, 2013

An art collector, who owned a painting purchased by a family member from an art gallery in Europe just before the German invasion of Paris, contacted RJ Lee Group to determine when the painting had been created. The painting was signed by a well-known early 20th century artist and was true to the artist’s style, […]

Read More

Analyses Reveal Viaduct Concrete Failure Not Consistent

Post by:
  • 2:56PM May 14, 2013

An east coast government agency was concerned about the structural integrity of a viaduct on a main north-south highway that handled approximately 75,000 vehicles a day. The structure, which consisted of a 42-foot wide concrete deck of 40 spans and piers, was built in 1953 and was exhibiting signs of general degradation. The agency had […]

Read More