

The band recorded their fourth studio album, Mata Leao, as a three piece in 1996. This was the last Biohazard album with Bobby Hambel, who left due to differences with the rest of the band.


State of the World Address went on to sell over one million copies, and Rolling Stone magazine selected the Biohazard logo as the best logo of the year. During their 1994 tour, the band made an appearance on the second stage at the Monsters of Rock festival held at Castle Donington. The album was produced by Ed Stasium in Los Angeles and contained the single ""How It Is"" featuring Sen Dog of Cypress Hill, for which a video was also shot. who released their third studio LP, State of the World Address. Months later, the band left Roadrunner Records and signed with Warner Bros. The soundtrack would go on to sell over two million copies in the United States. This led to a collaboration on the title track of the Judgment Night soundtrack. In 1993, the hardcore rap group Onyx brought on Billy Graziadei for an alternate ""Bionyx"" version of their hit single "" Slam"" with Biohazard as their backup band. The band also began opening for larger acts such as Pantera, Suicidal Tendencies, House of Pain, Fishbone, and The Cro-Mags. The video for the song ""Punishment"" became the most played video in the history of MTV's Headbanger's Ball, and the album sold over one million copies. In 1992, Biohazard signed with Roadrunner Records and released Urban Discipline, which gave the band national and worldwide attention in both the heavy metal and hardcore communities. The album's subject matter revolved around Brooklyn, gang-wars, drugs, and violence. The band's self-titled debut album was poorly promoted by the label and sold approximately 40,000 copies.

In 1990, Biohazard signed a recording contract with Maze Records. With an impressive career spanning over 20 years with 10 albums (on both indie and major labels), the band sold over 5 million records. BIOHAZARD released their combined the urban sounds of hard-core, metal and rap with scorching lyrics describing the forces at work in our modern urban lives. After the release of their second demo in 1989, drummer Anthony Meo left the band and drummer Danny Schuler replaced him. The band consisted of founding members Billy Graziadei (vocals, guitar), Bobby Hambel (lead guitar) and Evan Seinfeld (vocals, bass).
