TY JOUR TI CONSIDERATION OF GEOLOGICAL RISK WHEN CALCULATING SANITARY PROTECTION ZONES OF OIL BOILER STATIONS AS AN ELEMENT OF ENVIRONMENTAL SAFETY OF SAINT-PETERSBURG KW boiler room KW groundwater KW oil spill KW environmental safety KW sanitary protection zone JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Russkova, I.G. PY 2024 IS 2023 PB Saint-Petersburg University of State Fire Service of Emercom of Russia