San-I-Pak On-Site Treatment San-I-Pak On-Site Treatment for Infectious Waste. In 1978, San-I-Pak started as the first clean and green alternative to incineration. Our systems reduce infectious outputs from hospitals, … San-I-Pak On-Site Treatment for Infectious Waste. In 1978, San-I-Pak started as the first clean and green alternative to incineration. Our systems reduce infectious outputs from hospitals, …