Maximum allowable concentration (MAC) of O-(1,2,2 trimethylpropyl) of methilfluorophosphonate (soman) and O-isopropylmethylfluorinephosphonate (sarin) in soils of the regions of location of chemical weapon storage and disposal facilities
Maximum permissible level (MPL) of process equipment surface pollution by O-isobutyl-beta-n-diethylaminoethylthiol ester of methyl-phosphonic acid (substances type Vx)