The fire, located in the 8800 block of Etiwanda Avenue, is engulfing the plant as firefighters are battling the blaze with heavy water cannons in at least three directions.
A large pile of plastic at a recycling plant in Pomona went up in flames on Saturday evening.
Officials said the plant’s yard was filled with newspaper and wooden pallets adding fuel to the stubborn blaze.
Crews were battled a fire at a San Gabriel Valley recycling plant Friday.
The body of baby Thursday was found on a conveyer belt at a recycling plant in Victorville.
California Sen. Barbara Boxer will be making a personal visit Thursday to a Mecca school where offensive fumes have repeatedly sickened students and staff.