California Environmental Technology Certification Program

Scigen Neutralex for Treating 10% Neutral Buffered Formalin


Scigen, Incorporated

333 E. Gardena Boulevard
Gardena, California 90249
(310) 833-7992

Certified Performance Claim:

"Use of the Scigen Neutralex technology on 10% NBF waste as directed has the potential to reduce the exposure to formaldehyde vapors and allow safer management and disposal of the treated wastes. The technology can achieve reductions in formaldehyde concentrations in the 10% NBF wastes to less than 10ppm residual formaldehyde when used in accordance with Scigen’s standard operating procedures. The certificate is awarded according to the California Regulatory Notice Register Number 97, Volume 22-Z, pages 1109-1115."

Technology Description:

A certified hazardous waste management technology, Scigen Neutralex is a batch chemical treatment process designed to treat aqueous formaldehyde in 10% neutral buffered formalin (NBF) waste from histopathology tissue specimen preservation and from the operation of automated histopathology tissue processors in the health care industry.

Technology Application:

A typical application of the Scigen Neutralex is to treat the used 10% neutral buffered formalin used to preserve a tissue sample for biopsy.

Last updated: March 26, 2001