TABLE 2.

RNA slot blot standard curve

Dilutiona	[α-32P]dCMP retained (cpm)
	Sample 1b	Sample 2b	Avg
1	15,553	12,633	14,093
0.5	13,230	12,813	13,022
0.25	6,909	6,829	6,869
0.125	2,507	2,457	2,482
0.0625	1,361	1,104	1,233

^aSerial dilutions of RNA isolated from culture media of cells chronically infected with wild-type M-MuLV. 

^bLowest reported values were ∼2-fold above background.