Details of the study were released July 14 by the California Office of Traffic Safety and the California Highway Patrol.
OSHA has cited Shady Knob Pallet Co. for 17 serious safety violations.
Oak Harbor Freight Lines has been ordered to comply with federal safety rules.
At 1,978,680 pounds, the Aspen Foods recall is even larger than Barber Foods' recall announced a few days earlier.
The agency's proposed revisions are the first major rewrite since 1991.
OSHA says that Lauren Manufacturing ignored machine safety hazards.
Labor agencies in the states of Alabama, California, Colorado, Connecticut, Florida, Hawaii, Illinois, Iowa, Louisiana, Maryland, Massachusetts, Minnesota, Missouri, Montana, New Hampshire, New York, Rhode Island, Texas, Utah, Washington, Wisconsin, and Wyoming agencies have signed similar agreements.
DATIA and some testing companies also submitted comments in response to SAMHSA's proposed mandatory guidelines, which were published May 15, 2015.
The agency has called for more testing to identify causes.
Overall, food industry workers had 60 percent higher rate of occupational illness and injury than workers in non-food industries and a lost-time injury rate more than twice as high.
A bulletin issued July 14 by the Department of Health and Social Services says the inpatient hospitalization rate nearly doubled from 2008 to 2012, and deaths more than tripled from 2008 to 2013.
Hugo's Roofing Contractors Inc. out of Wright City, Mo., have been cited by OSHA.
A British Airways crew safely landed their Airbus A319-131 in May 2013 after having to shut down one of the engines. The fan cowl doors from both engines detached during takeoff, causing a fuel spill and a fire in the right engine.
Its recommendations from the Orland, Calif., 2014 crash involving a tractor double trailer and a motorcoach also ask FMCSA to require all passenger coach operators to provide pretrip safety briefings and printed safety information to their passengers.
A National Safety Council report shows the negative impact of opioid painkiller use on employees' safety.