On December 24, 2009, Minsitry of Science and Technology issued the Decisions on the promulgation and cancel of Vietnam National Standards (TCVN) as follows:
Decision No. 2989/QD-BKHCN on the promulgation of 06 following TCVNs:
TCVN 8229:2009 Standard Practice for use of the ethanol-chlorobenzene dosimetry system
TCVN 8230:2009 Guide for use of radiation-sensitive indicators
TCVN 8231:2009 Practice for use of a radiochromic liquid dosimetry system
TCVN 8232:2009 Practice for use of the alanine-EPR dosimetriy system
TCVN 8233:2009 Practice for use of a cellulose triacetate dosimetry system
TCVN 8234:2009 Practice for dosimetry in gamma irradiation facility for radiation processing
Decision No. 2991/QD-BKHCN on the promulgation of 10 following TCVNs:
TCVN 4621:2009 Soil quality. Method for the determination of total exchangeable bazes
TCVN 5255:2009 Soil quality. Method for the determination of bio-available nitrogen
TCVN 5256:2009 Soil quality. Method for the determination of bio-available phosphorus
TCVN 5299:2009 Soil quality. Method for the determination of soil erosion by rain
TCVN 5300:2009 Soil quality. Classification of soil polluted by chemicals
TCVN 5302:2009 Soil quality. General requirements for soil reclamation
TCVN 6134:2009 Soil quality. Solvent extractable nonvolatile compounds by high performance liquid chromatography/thermospray/mass spectrometry (HPLC/TS/MS) or ultraviolet (UV) detection
TCVN 6135:2009 Soil quality. Determination of fenvalerat residue. High performence liquid chromatographic method (HPLC)
TCVN 8246:2009 Soil quality. Flame atomic absorption spectrophotometry
TCVN ISO 14020:2009 Environmental labels and declarations. General principles
Decision No. 2992/QD-BKHCN on the cancel of 14 following TCVNs:
TCVN 4405-87 Cultivated soil. Determination of exchangeable calcium
TCVN 4406-87 Cultivated soil. Determination of total exchangeable calcium and magnesium
TCVN 4618-88 Cultivated soil. Determination of available iron
TCVN 4619-88 Cultivated soil. Determination of available aluminium
TCVN 4621-88 Cultivated soil. Determination of total exchangeable bazes
TCVN 5254-90 Cultivated soil. Determination of dissolvable available potassium content
TCVN 5255-90 Cultivated soil. Determination of dissolvable available nitrogen content
TCVN 5256-90 Cultivated soil. Determination of dissolvable available phosphorus content
TCVN 5299:1995 Soil quality. Method for determinating potential erosion effected by rain
TCVN 5300:1995 Soil quality. Soil classification based on level of chemical pollutants
TCVN 5302:1995 Soil quality. General requirements for soil reclamation
TCVN 6134:1996 Soil quality. Determination of 2,4-D in soil. High performence liquid chromatographic method (HPLC)
TCVN 6135:1996 Soil quality. Determination of fenvalerat residue in soil. High performence liquid chromatographic method (HPLC)
TCVN ISO 14020:2000 Environmental labels and declarations. General principles
(STAMEQ)