This document provides information about various Russian technical standards (STO) and regulations that are available for purchase from www.rusgost.com. It lists several STO publications related to floors, boiler washing/preservation methods, water treatment, and steam line nozzles. For each entry it provides the STO number and title in Russian and English, availability, format, order number, languages available, and indicates to contact for pricing and discount offers. It appears to be advertising a catalog of Russian technical standards and regulations that can be purchased from the website.