| Prevention Level | Author | Study Year | Molecular Weight of Agent | Specific Agent | Agent Category | Outcome/Diagnosis | |
| 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 | Grammer | 2002 | LMW | Hexahydro-phthalic anhydride (HHPA) | Anhydrides | Occupational asthma | 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 |
| Secondary | Grammer | 1993 | LMW | Trimelletic anhydride (TMA) | Anhydrides | Late asthma, asthma-rhinitis | details |
| Secondary | Nielsen | 1992 | LMW | Methyltetrahydrophthalic anhydride (MTHPA) | Anhydrides | Sensitization and symptoms | details |
| Secondary | Venables | 1987 | LMW | Tetrachlorophthalic anhydride (TCPA) | Anhydrides | Occupational asthma | details |
| Secondary | Zeiss | 1983 | LMW | Trimelletic anhydride (TMA) | Anhydrides | Asthma-rhinitis, late respiratory systemic syndrome | details |
