Open-Cell Plastic Foam
                This is from an environmental tapelift collected in an
                  indoor environment. Sources
                  include padding in shoes, packaging material, and air filters.
              
              
                Transmitted Off Crossed Polarized Light Illumination
                
Definition/Function:
                Significance in the Environment:
                Floral foam can be an irritant.
                Characteristic Features:
                Associated Particles:
                References: