{ "item_title" : "Wet Deposition Monitoring Protocol", "item_author" : [" Kristi Morris", "National Park Service", "Ellen Porter "], "item_description" : "Since the late 1970s, the NPS Air Resources Division (ARD) has managed a comprehensive air quality program, emphasizing the collection of credible air quality information to support scientifically sound resource management decisions in parks. In general, air quality monitoring in parks, including monitoring of atmospheric deposition, ozone, and visibility, is done in conjunction with national networks. The authors describe the atmospheric deposition monitoring protocol.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/1/49/282/293/1492822930_b.jpg", "price_data" : { "retail_price" : "13.99", "online_price" : "13.99", "our_price" : "13.99", "club_price" : "13.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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