"called for as" is considered correct and can be used in written English.
It is often used to express something that is required or expected in a situation. Here's an example sentence: "By law, a first aid kit is called for as a safety measure in all public buildings."
One recipe called for as much sugar as the weight of six eggs.
Early plans called for as many as two dozen fighter-bombers at Manas, including F-15E's, FA-18's and perhaps French and Danish strike jets.
He compares Republicans' zeal for spending cuts - they have called for as much as $100 billion in 2011 alone - to the recklessness of drunken teenagers commandeering the family car for a joy ride.
Neil and Chris remember signing their first deal with EMI and sniggering about the fact that it called for as many as seven albums, a total they never thought they would manage.
The result was a "staggering level of crime and corruption" and a longstanding pattern of "violating the Constitution by using force, including deadly force, when no force or lesser force was called for," as well as the routine use of illegal searches and seizures.
Marian Fontana, the president of the 9/11 Widows' and Victims' Families Association, said she believed that coalition members were mostly excluded because they had been publicly critical of the development corporation and had called for as much space as possible to be set aside for use in the memorial.
Maybe, but some actual thermostability measurements on the existing enzymes and better still on their reconstructed common ancestor are clearly called for-as well as some idea of just how much the Phe content of the thermoadapting lineage would have had to increase.
The G7 text called for as-close-as-possible to a 70% reduction on 2010 emissions by 2050.
Lineage-specific candidate mutations were then identified by 'filtering out' SNPs specified for AS-30CQ (or AS-15MF) with those also called for AS-sens.
Our forecast calls for as many as four interest rate cuts in 2001.
The New York plan calls for as many as 60 stations, including 10 480-volt D.C. fast chargers.
