Federal agents this afternoon busted a steroid lab that authorities said produced "massive quantities" of the drugs from a Sayreville basement and arrested a 34-year-old ex-convict they said was behind the operation. Alfred Scarpa, who has two prior drug convictions, was charged with manufacturing, possessing and distributing anabolic steroids from his home on a quiet cul-de-sac in the suburban town. The home in Sayreville that was raided today.FBI and DEA agents seized $56,000 in cash, more than 40,000 doses of anabolic steroids, and various chemicals and equipment used to mix and produce the drugs, authorities said. They also found two semi-automatic weapons, according to a criminal complaint filed against Scarpa. Scarpa made an initial appearance before U.S. Magistrate Judge Esther Salas in federal district court in Newark. He was ordered detained pending a bail hearing, and the attorney who represented him at the hearing, Thomas Moran, declined to comment.