1. GOST (State Standard) 12.3.031-83: Work with Mercury: Safety Requirements.
2. San PIN 2.1.4.1074-01: “Pit’evaya voda. Gigienicheskie trebovaniya k kachestvu vody tsentralizovannykh sistem pit’evogo vodosnabzheniya. Kontrol’ kachestva” (Sanitary Norms 2.1.4.1074-01: Potable Water. Sanitary Requirements to Water Quality in the Centralized System of Water Supply. Quality Control), Moscow: Gossanepidnadzor Rossii, 2001.