The main objective of this investigation was to achieve a clear pattern of solid waste collection and disposal in selected hospital and health care establishments in certain cities of Tehran province. This study was done in more than 82 percent of all hospitals with 3017 beds during the year 1996. Solid waste produced per bed was evaluated to be 2. https://poolsproductscanadas.shop/product-category/hayward-pvc-niche-parts/