About: http://webisa.webdatacommons.org/270853724

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Formaldehyde can also be found naturally in food including fruits and vegetables (e.g. pear, apple, green onion), meats, fish (e.g., Bombay-duck, cod fish), crustacean and dried mushroom, etc. with levels up to 400 mg/kg.
http://www.w3.org/ns/prov#wasQuotedFrom	cfs.gov.hk