Specifying the previously published under the national Office sent the Exchange page of the Cabinet of Ministers of 17 august 2004, the Regulation No 726 "environmental requirements for chemical wood protection (waterproofing)" ("journal", 20.08.2004, no. 132) is as follows: "annex the annex to Cabinet of Ministers of 17 august 2004, Regulation No 726 of harmful substances in exhaust height detection methodology 1. Harmful substances in exhaust the total height of the H point is calculated using the following formula: H = Hd + h which Hd – harmful substances in exhaust point theoretical height (m); h-harmful substances in exhaust point additional height (m).
2. Harmful substances in exhaust point theoretical height Hd low wood chemical treatment processes at the appropriate organic solvents (volatile organic compounds) to the amount of maximum exhaust (table).
 
Organic solvents (volatile organic compounds) the maximum amount of the spill per hour (kg/h) the exhaust point theoretical height (m) 1 8 2 10 3 12 4 14 5 15 6 16 3 Hd >. Harmful substances in exhaust point additional height (h) is the difference between the base rate and .1 Supreme 15 x Hd metres of existing or planned buildings roof, if people are staying longer in the building for eight hours a day ().

Impregnating equipment closer to the building Environment Minister r. vējonis "