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Reference number
ISO/TR 4227:1989
© ISO 2024
Technical Report
ISO/TR 4227:1989
Planning of ambient air quality monitoring
Edition 1
1989-11
Withdrawn
ISO/TR 4227:1989
10028
TC
ISO/TC 146/SC 4
ISO/TR 4227:1989
Planning of ambient air quality monitoring
Withdrawn
(Edition 1, 1989)
General information
Status
:
Withdrawn
Publication date
:
1989-11
Stage
: Withdrawal of International Standard [
95.99
]
Edition
: 1
Number of pages
: 15
Technical Committee :
ISO/TC 146/SC 4
ICS
:
13.040.20
RSS
updates
Life cycle
Now
Withdrawn
ISO/TR 4227:1989
Stage:
95.99
00
Preliminary
10
Proposal
20
Preparatory
30
Committee
30.00
1975-08-01
Committee draft (CD) registered
30.99
1982-12-01
CD approved for registration as DIS
40
Enquiry
50
Approval
50.00
1988-07-05
Final text received or FDIS registered for formal approval
50.20
1989-07-13
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
50.60
1989-07-13
Close of voting. Proof returned by secretariat
60
Publication
60.60
1989-11-09
International Standard published
90
Review
90.20
2000-03-31
International Standard under systematic review
90.60
2000-03-31
Close of review
95
Withdrawal
95.99
2000-05-19
Withdrawal of International Standard
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