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The author also has a pretty good discussion regarding lifecycle design considerations and the various steps to go through/questions to ask with regard to effluent treatment and equipment sizing.
Some of the technology descriptions appears to be taken from design of remediation systems by suthersan, but both books were published by the same company so i guess that shouldn't really be a surprise. Both books offer different perspectives, so I find them both to be pretty useful, however, I like this one a little more because the author seems to be more of a practical guy whereas suthersan is more theoretical.
I would recommend this book to anyone interested in expanding their knowledge of the design and correct application of remediation technologies.
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Although carefully written in inclusive language and with the view that pastors can be of either gender, the book still exhibits a slightly male bias in terms of the biblical metaphors employed and temptations faced.
Part of the defense that Cox and Chester expound upon is a space-based telescope, orbiting the Sun ahead of the Earth, that can provide early warning of an impending collision.
If nothing else, "Doomsday Rock" should be read because of the stirring prologue from Arthur C. Clarke's 1973 novel "Rendezvous With Rama". In addition to providing the impetus for the now-famous Rama saga, the prologue also lends it's name to the Spaceguard Survey that NASA undertook in 1992.
What detracts from the book is the lack of attention to smaller rocks that threaten the Earth. Although much less likely to cause global destruction, asteroids as small as 100 meters can cause vast devastation in urbanized regions and, in the case of a sea strike, coastal areas.
Despite that flaw, "Doomsday Asteroid" is a solid, informative read.