cause. KATU reported that Loy Clark Pipeline in five years leading up to the accident had six OSHA violations. Asbestos was found in the debris two days after the explosion. The building had abatement work done in 1990, but it did not include the roofing, which contained 35% asbestos. Among the eight injured was a dental hygienist who was hit by glass shards. They filed a lawsuit for $689,000 against Loy Clark Pipeline. The owners of the building at 520–526 NW 23rd Avenue also named Comcast and Bremik Construction in addition to Loy Clark Pipeline in their lawsuit for "not properly vetting Loy Clark before hiring the contractor." For this incident, The Oregonian reported that OSHA fined Tualatin, Oregon-based Loy Clark Pipeline $4,900, and noted they dug on the north side of NW 23rd Avenue even though their notification was to dig on the south side. The American Red Cross set up a shelter for people displaced by the explosion. In a press conference Portland Mayor Charlie Hales later stated that "It's a miracle no one was killed.". The Oregonian reported in December 2019 that two additional businesses, Portland Bagelworks and Dosha SalonSpa, had filed lawsuits. The destroyed Alfred C. F. Burkhardt House had been on the National Register of Historic Places since 2000. References External links Video on USA Today Burkhardt, Alfred C. F. House (Portland, Oregon) 2016 in Portland, Oregon Construction accidents in the United States Gas explosions in the United States