Given that commercial units clean the air at a unit cost of approximately $0.71 to $2.66 per CADR, 7 it is easy to see that relying on commercial units may be prohibitively expensive in many contexts
In Part B: Health Effects California Environmental Protection Agency, Office of Environmental Health Hazard Assessment
This is true whether the wood is a stick from the backyard, a piece of furniture, mulch from the garden, a wood chip, or treated lumber
Preparation of Intermediate Standard Solution 1 (100 g/mL) Interm Std
Andrew Morgan discusses the sources of funding and offers a broader perspective as to how economics may affect these types of cases
Not only did Carl Blegen and occasionally his wife would join him but William Semple, who founded [the Classics] department, and his wife, Louise Taft Semple, also participated in the excavation, Kramer points out