Neutralizes alkaline residue after stripping and conditions floor for better adhesion of floor finish. For superb removal of residue from ice-melting compounds on carpets and floors. Biodegradable and VOC free formulation. Fragrance free. This product does not have hazards as defined by the OSHA Hazard Communication Standard, 29 CFR 1910.1200. This product meets Green Seal Standard GS-53 based on effective performance, concentration of product, minimized/recycled packaging, and protective limits on VOCs and human & environmental toxicity. GreenSeal.org. For decades, PortionPac 404 and 410 have been satisfying the world’s need for clean! Always demand 404 and 410 to get the job done right