Recommended practice for spectrophotometric measurement of concentrations of Riboxin in the air of the working zone

Norma vydaná dňa 10.10.1991

Recommended practice for photometric measurement of concentrations of salicylic acid in the air of the working zone

Norma vydaná dňa 10.10.1991

Recommended practice for photometric measurement of concentrations of saharol in the air of the working zone

Norma vydaná dňa 10.10.1991

Recommended practice for photometric measurement of concentrations of 2-semicarbazide-acetic acid in the air of the working zone

Norma vydaná dňa 10.10.1991

Recommended practice for photometric measurement of concentrations of sizomicin in the air in the air of the working zone

Norma vydaná dňa 10.10.1991

Recommended practice for gas chromatographic measurement of concentrations of 2,2,3,3-tetrafluoropropyl-2-fluoro-acrylate in the air of the working zone

Norma vydaná dňa 10.10.1991

Recommended practice for photometric measurement of concentrations of tobramycin in the air of the working zone

Norma vydaná dňa 10.10.1991

Recommended practice for extraction-photometric measurement of concentrations of 2,4,6-trimethylaniline-1-butyl-pyrrolidinecarbonyl 2-acid hydrochloride (piromekain) in the air of the working zone

Norma vydaná dňa 10.10.1991

Allowable levels of noise at the telecommunication enterprises

Norma vydaná dňa 23.11.1992

Recommended practice for determination of 1,7,7-trimethylbicyclo (2,2,1)-heptane-2 sulfonic acid (sulpho-camphoraceous acid) in the air of the working zone

Norma vydaná dňa 10.10.1991