Amazon.com continues to defend itself against claims by workers that its warehouse facilities in Pennsylvania are unsafe. In a statement issued Sunday, the Seattle online retailer released data from the Occupational Safety and Health Administration which showed that its rate of injuries in the workplace falls below industries such as auto manufacturing, warehouse and department stores.

The Morning Call newspaper of Allentown, Pennsylvania earlier this year described an environment in which Amazon.com workers endured brutal heat and a breakneck pace at a fulfillment center in Breinigsville, Pennsylvania.

Amazon.com addressed that facility in Sunday’s statement, noting that they’ve installed air conditioning units and revamped procedures related to how people re-enter the building after fire alarms. With the changes in place, Amazon said that its Breinigsville facility now has an injury incidence rate below that of other fulfillment centers in the Amazon network and warehouse operations broadly.

“These results and the improving trend line are driven by a safety-focused culture and a concerted effort to find and systematically eliminate any defects in our safety practices,” the company said in a statement. “As examples, every fulfillment center has a designated safety leader, our larger facilities have multi-person teams that work full-time on improving safety practices and sharing lessons learned throughout our network, and every meeting in our fulfillment centers, regardless of topic, begins with a safety tip.”

Here’s a look at the chart that Amazon released in conjunction with its statement on the level of incidents.

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