| Prevention Level | Author | Study Year | Molecular Weight of Agent | Specific Agent | Agent Category | Outcome/Diagnosis | |
| Secondary | Banks | 1990 | LMW | Toluene diisocyanate (TDI) | Diisocyanates | Occupational asthma | details |
| Secondary | Barker | 1998 | LMW | Tetrachlorophthalic anhydride (TCPA) | Anhydrides | Occupational asthma | details |
| Secondary | Baur | 1995 | LMW | Pyromellitic dianhydride (PMDA), phthalic anhydride, maleic anhydride, trimellitic anhydride (TMA) | Anhydrides | Sensitization and symptoms | details |
| Primary | Bernstein | 1993 | LMW | Diphenylmethane diisocyanate (MDI) | Diisocyanates | Occupational asthma | details |
| Secondary | Burge | 1982 | LMW | Colophony | Fluxes | Occupational asthma | details |
| Primary | Buyantseva LV | 2011 | LMW | Diisocyanates | Diisocyanates | Diisocyanate(ISO) and non-diisocyanate (N-ISO) occupational asthma (OA) | details |
| Secondary | Chan-Yeung | 1982 | LMW | Western red cedar | Wood dust or bark | Occupational asthma | details |
| Secondary | Chan-Yeung | 1987 | LMW | Western red cedar | Wood dust or bark | Occupational asthma | details |
| Secondary | Conner | 2002 | LMW | Toluene diisocyanate (TDI), mold-release overspray | Diisocyanates | Occupational asthma | details |
| Secondary | Cote | 1990 | LMW | Western red cedar | Wood dust or bark | Occupational asthma | details |
| Primary | Donoghue AM | 2011 | LMW | Aluminum | Metals | Occupational Asthma (OA) | details |
| Secondary | Fujita | 2006 | LMW | Ortho-phthalaldehyde | Other Chemicals | Occupational asthma | details |
| Primary | Fujita | 2007 | LMW | Ortho-phthalaldehyde | Other Chemicals | Bronchial asthma and contact dermatitis. | details |
| Secondary | Grammer | 1993 | LMW | Trimelletic anhydride (TMA) | Anhydrides | Late asthma, asthma-rhinitis | details |
| Secondary | Grammer | 1995 | LMW | hexahydrophthalic anhydride (HHPA) | Anhydrides | Occupational asthma, allergic rhinitis, occupational asthma-rhinitis, hemorrhagic rhinitis | details |
| Secondary | Grammer | 1996 | LMW | hexahydrophthalic anhydride (HHPA) | Anhydrides | Occupational asthma, allergic rhinitis, occupational asthma-rhinitis, hemorrhagic rhinitis | details |
| Primary | Grammer | 2002 | LMW | Hexahydro-phthalic anhydride (HHPA) | Anhydrides | Occupational asthma | details |
| Primary | Jarvis | 2005 | LMW | Various LMW Chemicals | Other Chemicals | Predict agents that can cause occupational asthma | details |
| Secondary | Kongerud | 1991 | LMW | Aluminum | Metals | Work-related asthmatic symptoms (dyspnea, wheezing) | details |
| Secondary | Labrecque | 2006 | LMW | Isocyanates | Diisocyanates | Isocyanate-induced occupational asthma. | details |
| Secondary | Labrecque M | 2011 | LMW | Diisocyanates | Diisocyanates | Diisocyanate-induced occupational asthma (DiOA) | details |
| Secondary | Lin | 1996 | LMW | Western red cedar | Wood dust or bark | Occupational asthma | details |
| Secondary | Lozewicz | 1987 | LMW | Toluene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), hexamethlyene diisocyanate (HDI), naphthylene diisocyanate (NDI) | Diisocyanates | Occupational asthma | details |
| Secondary | Marabini | 1993 | LMW | Red Cedar | Wood dust or bark | Occupational asthma | details |
| Secondary | Menzies D | 2006 | LMW | Second hand smoke | Smoke | Respiratory symptoms, pulmonary function, and markers of inflammation | details |
| Secondary | Merget | 1994 | LMW | Platinum | Metals | Occupational asthma | details |
| Secondary | Merget | 1999 | LMW | Platinum | Metals | Occupational asthma | details |
| Secondary | Merget | 2001 | LMW | Platinum | Metals | Occupational asthma | details |
| Secondary | Moller | 1986 | LMW | Toluene diisocyanate (TDI) | Diisocyanates | Occupational asthma | details |
| Secondary | Munoz | 2003 | LMW | Persulfate salts | Other Chemicals | Occupational asthma | details |
| Secondary | Muñoz X | 2008 | LMW | Persulfate salts | Other Chemicals | Bronchial hyperresponsiveness and immune response in workers with Occupational Asthma (OA) | details |
| Secondary | Nielsen | 1992 | LMW | Methyltetrahydrophthalic anhydride (MTHPA) | Anhydrides | Sensitization and symptoms | details |
| Secondary | O'Donnell | 1989 | LMW | Aluminum | Metals | Occupational asthma | details |
| Secondary | Olaguibel | 1989 | LMW | Chromium | Metals | Occupational asthma | details |
| Secondary | Padoan | 2003 | LMW | Toluene diisocyanate (TDI) | Diisocyanates | Occupational asthma | details |
| Secondary | Paggiaro | 1993 | LMW | Toluene diisocyanate(TDI) | Diisocyanates | Occupational asthma | details |
| Secondary | Paggiaro | 1984 | LMW | Toluene diisocyanate (TDI) | Diisocyanates | Asthmatic and non-asthmatic respiratory disease | details |
| Secondary | Park | 1997 | LMW | Toluene diisocyanate (TDI) | Diisocyanates | Occupational asthma | details |
| Secondary | Park | 2007 | LMW | Reactive dye | Other Chemicals | Occupational asthma | details |
| Primary | Petsonk | 2000 | LMW | Methylene diphenyl diisocyanate (MDI) | Diisocyanates | New-onset asthma like symptoms | details |
| Secondary | Pisati | 1993 | LMW | Toluene diisocyanate (TDI) | Diisocyanates | Occupational asthma | details |
| Secondary | Pisati | 1994 | LMW | Cobalt | Metals | Occupational asthma | details |
| Secondary | Pisati G | 2007 | LMW | Toluene diisocyanate (TDI) | Diisocyanates | Occupational asthma | details |
| Secondary | Roto | 1980 | LMW | Cobalt | Metals | Occupational asthma | details |
| Secondary | Saetta | 1995 | LMW | Toluene diisocyanate (TDI) | Diisocyanates | Occuaptional asthma | details |
| Secondary | Saetta | 1992 | LMW | Toluene diisocyanate (TDI) | Diisocyanates | Occupational asthma | details |
| Primary | Saric | 1993 | LMW | Aluminum | Metals | Occupational asthma | details |
| Secondary | Saric | 1991 | LMW | Aluminum | Metals | Asthma-like syndrome | details |
| Primary | Schoj V | 2010 | LMW | Second hand smoke | Smoke | Respiratory and sensory irritation symptoms and respiratory function | details |
| Secondary | Simonsson | 1985 | LMW | Aluminum | Metals | Asthmatic symptoms (nocturnal wheezing, breathlessness, reversible airways obstruction) | details |
| Primary | Sorgdrager | 1998 | LMW | Aluminum | Metals | Occupational asthma | details |
| Secondary | Sorgdrager | 2001 | LMW | Aluminum | Metals | Occupational asthma | details |
| Secondary | Soyseth | 1992 | LMW | Aluminum | Metals | Work-related asthma | details |
| Secondary | Soyseth | 1995 | LMW | Aluminum | Metals | Work-related asthmatic symptoms | details |
| Secondary | Talini D | 2013 | LMW | Toluene diisocyanate (TDI) | Diisocyanates | Occupational asthma | details |
| Secondary | Tarlo | 2002 | LMW | Diisocyanates | Diisocyanates | Occuaptional asthma | details |
| Secondary | Tarlo | 1997 | LMW | Isocyanates | Diisocyanates | Occupational asthma | details |
| Secondary | Venables | 1985 | LMW | Toluene diisocyanate (TDI) | Diisocyanates | Occupational asthma | details |
| Secondary | Venables | 1987 | LMW | Tetrachlorophthalic anhydride (TCPA) | Anhydrides | Occupational asthma | details |
| Primary | Yildirim | 2005 | LMW | Sulfur dioxide | Other Chemicals | Asthma-like syndrome | details |
| Secondary | Zeiss | 1983 | LMW | Trimelletic anhydride (TMA) | Anhydrides | Asthma-rhinitis, late respiratory systemic syndrome | details |
