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Standard ČSN 757143 10.5.1991 preview

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ČSN 757143 (757143)

Water quality for irrigation



STANDARD published on 10.5.1991


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The information about the standard:

Designation standards: ČSN 757143
Classification mark: 757143
Catalog number: 31264
Publication date standards: 10.5.1991
SKU: NS-135775
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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The category - similar standards:

Examination of water, waste water and sludgeCapacitors in general

Annotation of standard text ČSN 757143 (757143):

Norma platí pro hodnocení a použití vody k doplňkové závlaze (dále jen závlaha). Nestanovuje požadavky na jakost vody s ohledem na její stálost při dopravě a na její účinky na potrubí, jakož i na podrobná zařízení lokalizovaných závlah. Jsou normalizovány zejména ukazatele jakosti /fyzikální, chemické, biologické a zvlášť i ukazatele radioaktivity, dále zásady pro navrhování a provoz závlah. Za pozornost stojí údaje a tabulky v přílohách. Tab.1 obsahuje nejvyšší přípustné hodnoty (NPH) některých ukazatelů znečištění, pro které je voda vhodná (tř. I) podmíněně vhodná (tř. II) a nevhodná (tř. III) pro závlahy. Tab. 4 obsahuje ochranné lhůty při závlaze vodou podmíněně vhodnou pro závlahy (tř. II). ČSN 75 7143 byla schválena 10.5.1991 a nabyla účinnosti od 1.5.1992. Nahradila ČSN 83 0634 ze 17.2.1971

These changes apply to this standard:

Preview ČSN 757143:1991/Z1 1.2.2009
ČSN 757143:1991/Z1 (757143) Change

Jakost vod. Jakost vody pro závlahu.

Change published on 1.2.2009

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Preview of the standard ČSN 757143 (757143)

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ČSN ISO 7393-1ČSN ISO 7393-1

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ČSN ISO 7393-2ČSN ISO 7393-2

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ČSN ISO 7393-3ČSN ISO 7393-3

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ČSN ISO 9297ČSN ISO 9297

1.2.1996

ČSN ISO 11083ČSN ISO 11083

1.2.1996

ČSN EN 1233ČSN EN 1233

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