There are six unidentified bodies.
At least 25 bodies have been delivered to their families.
Three bodies were found in the area.
El coordinador nacional de PC Luis Felipe Puente explicó que se tomó dicha determinación debido a que ya no hay contaminantes en el ambiente
President Enrique Peña Nieto traveled to the site of the blast accompanied by federal authorities.
Some volunteers brought food and drink to the families. After a while authorities began taking people inside in small groups to see a list of those confirmed dead.
Acompañado por funcionarios municipales, estatales y federales, el gobernador Javier Duarte informa que se activó una página de internet para dar a conocer los nombres de los heridos
Local emergency officials said hundreds of people had been evacuated from the site.
The state-run oil company initially reported that three workers were injured but later raised the number.
Veracruz state Gov. Javier Duarte's Twitter account called the blast at the plant in the city of Coatzacoalcos a "strong explosion."