| Database | Content | Accessibility | Reliability | |----------|---------|---------------|--------------| | (NCBI) | DDT properties, toxicity, literature | Free, no download limits for basic data | Highly reliable | | EPA CompTox | Chemical fate, toxicity, exposure data | Free batch download available | Authoritative | | PPDB (Pesticide Properties) | DDT environmental behavior | Free for non-commercial use | Peer-reviewed | | WHO/FAO datasets | Pesticide residue monitoring | Free downloads | Official source |
(e.g., a legacy CD-ROM or a misnamed dataset), please provide more details so I can give an accurate review. Otherwise, I strongly advise against downloading any database from unverified third-party sites offering "DDT2000" — such files may be outdated, incomplete, or contain malware.
Would you like help locating a verified, free database for DDT-related environmental or toxicological data instead?