The cost to upgrade to a 5 inch thickness on an average driveway is chicken feed when you compare it to the total cost of the job. For example, if your driveway measures 720 square feet, a 4 inch thick pour will require 9 cubic yards of concrete.Increasing the thickness to 5 inches requires 11 cubic yards of concrete. The extra two yards of concrete will only cost about $130.00. (1999 pricing-adjust for inflation).or example, if your driveway measures 720 square feet, a 4 inch thick pour will require 9 cubic yards of concrete. Increasing the thickness to 5 inches requires 11 cubic yards of concrete. The extra two yards of concrete will only cost about $130.00. (1999 pricing-adjust for inflation).
Clostridium perfringens (C. perfringens) is a spore-forming gram-positive bacterium that is found in many environmental sources as well as in the intestines of humans and animals. C. perfringens is commonly found on raw meat and poultry.
The role of clostridia in the pathogenesis of polmicrobial infections is unclear (28, 29). Clostridium perfringens is the most common clinical isolate of the genus. It is a ubiquitous bacterium associated with several exotoxin-mediated clinical diseases. There are 12 recognized toxins, and the species is divided into types A through E on the basis of the spectrum of toxins produced (16).