The Boston Fire Department Chemist position was established in 1943 as part of new fire laws and regulations promulgated in the aftermath of the Coconut Grove fire in 1942. The first responsibilities assigned to the Chemist involved the evaluation of decorations and drapery materials intended for use in night clubs, function halls and theaters. The scope of the position of the Chemist has expanded considerably with the establishment of fire prevention codes, the development of fire protection engineering and advances in forensic science. The Senior Analytical Chemist position was established in 1984 to provide forensic support services including chemical analysis for the Fire Investigation Unit.

The Boston Fire Prevention Code of 1959 expanded the duties and responsibilities of the Department Chemist with specific authority to regulate the installation of draperies, upholstery coverings and combustible decorations in public areas and the use, storage and transportation of chemicals. The Massachusetts Board of Fire Prevention Regulations which was authorized in 1943 after the Coconut fire established regulations in 527 CMR 21 for draperies, upholstery coverings and combustible decorations in 1976. The state regulations essentially established the same requirements that were in place in the City of Boston.

The Boston Fire Prevention Code of 1979 expanded the authority to regulate upholstery coverings and interior furnishings including upholstered furniture, mattresses and interior finish. The Boston Fire Department has formulated regulations and testing procedures that are utilized and referenced in States throughout the country.

The duties and responsibilities of the Department Chemist and the Senior Analytical Chemist are authorized and delegated by the Fire Commissioner under Massachusetts General Laws, Chapter 148, Sections 4 and 5 and the Boston Fire Prevention Code.

The Chemist is assigned to the Office of the Fire Marshal, Fire Prevention Division under the supervision of the Deputy Fire Chief in Charge; technical support services are also provided to Operations; Training, Maintenance and Research; Emergency Management; and Special Projects Divisions.