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10-Q - FORM 10-Q - Atlas Resources Series 28-2010 L.P.d431585d10q.htm
XML - IDEA: XBRL DOCUMENT - Atlas Resources Series 28-2010 L.P.R9.htm
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EX-31.1 - CERTIFICATION PURSUANT TO RULE 13A-14/15(D)-14 - Atlas Resources Series 28-2010 L.P.d431585dex311.htm
EX-32.2 - SECTION 1350 CERTIFICATION - Atlas Resources Series 28-2010 L.P.d431585dex322.htm
EX-32.1 - SECTION 1350 CERTIFICATION - Atlas Resources Series 28-2010 L.P.d431585dex321.htm
EXCEL - IDEA: XBRL DOCUMENT - Atlas Resources Series 28-2010 L.P.Financial_Report.xls
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EX-31.2 - CERTIFICATION PURSUANT TO RULE 13A-14/15(D)-14 - Atlas Resources Series 28-2010 L.P.d431585dex312.htm
v2.4.0.6
Derivative Instruments (Fair Value of Derivative Instruments) (Details) (USD $)
Sep. 30, 2012
Derivative [Line Items]  
Total $ 27,300 [1]
Designated As Hedging Instrument [Member]
 
Derivative [Line Items]  
Derivatives in Cash Flow Hedging Relationships, Asset 404,700
Fair Value Liability (377,400)
Derivatives in Cash Flow Hedging Relationships, Liability (377,400)
Total 27,300
Current Assets [Member] | Designated As Hedging Instrument [Member]
 
Derivative [Line Items]  
Derivatives in Cash Flow Hedging Relationships, Asset 53,800
Long Term Assets [Member] | Designated As Hedging Instrument [Member]
 
Derivative [Line Items]  
Derivatives in Cash Flow Hedging Relationships, Asset 350,900
Current Liabilities [Member] | Designated As Hedging Instrument [Member]
 
Derivative [Line Items]  
Fair Value Liability (92,300)
Derivatives in Cash Flow Hedging Relationships, Liability (92,300)
Long Term Liabilities [Member] | Designated As Hedging Instrument [Member]
 
Derivative [Line Items]  
Fair Value Liability (285,100)
Derivatives in Cash Flow Hedging Relationships, Liability $ (285,100)
[1] (2) Fair value based on forward NYMEX natural gas prices, as applicable.