Busulfan, Melphalan, and Thiotepa in Treating Patients Who Are Undergoing an Autologous Stem Cell Transplant for Hodgkin's or Non-Hodgkin's Lymphoma

5mcg/kg IVPB will be administered beginning on day +5 and continued until ANC\> 1500 for 2 consecutive days.

3.2mg/kg/day for 3 days starting on day -8. Each dose of intravenous busulfan will be mixed in a concentration of 0.54 mg/ml of 0.9% saline and infused over 3 hours.

50mg/m2/day/iv, infused over 30 minutes on days -5 and -4. The reconstituted melphalan is diluted in 250cc normal saline to a concentration not greater than 0.4 mg/ml.

250 mg/m2/day/iv on days -3 and -2

The transplant therapy should begin within 2 weeks of registration, but no sooner then 30 days after the last dose of chemotherapy.

Performed 36-48 hours following last chemotherapy dose.