TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The blend further comprises a biocide. The biocide is a triazine, an iodopropynylbutylcarbamate, 1,2-benzisothiazolin-3-one, 4,4-dimethyloxazolidine, 7-ethylbicyclooxazolidine, a combination of 4-(2-nitrobutyl)-morpholine with 4,4'-(2-ethyl-2-nitrotrimethylene)dimorpholine, 2-methyl-4-isothiazolin-3-one, a combination of 5-chloro-2-methyl-4-isothiazolin-3-one with 2-methyl-4-isothiazolin-3-one, 2-bromo-2-nitro-1,3- propanediol, octylisothiazolinone, dichloro-octylisothiazolinone, dibromooctylisothiazolinone, a phenolic or corresponding sodium or potassium or its salt, sodium pyrithione, zinc pyrithione, n-butyl benzisothiazolinone, 1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride, chlorothalonil, carbendazim, diiodomethyltolylsulfone, 2,2-dibromo-3-nitrilopropionamide, glutaraldehyde, N,N'-methylene-bis-morpholine, ethylenedioxy methanol, phenoxyethanol, tetramethylol acetylenediurea, dithiocarbamates, 2,6-dimethyl-m-dioxan-4-ol acetate, dimethylol-dimethyl-hydantoin, tris(hydroxymethyl)nitromethane, a bicyclic oxazolidine, (thiocyanomethylthio)benzothiazole, methylene bis(thiocyanate), a substituted dioxaborinane, tetrakis(hydroxymethyl)phosphonium sulfate, a quaternary ammonium compound, cocodiamine and/or dazomet. Preferred Components: The amino-alcohol: is 2-amino-2-methyl-1-hexanol, 2-amino-2-ethyl-1-pentanol, 2-amino-2-methyl-1-octanol, 2-amino-2-ethyl-1-heptanol, 2-amino-2-propyl-1-hexanol, (1-aminocyclohexyl)methanol, (1-aminocyclooctyl)methanol, 2-amino-2-phenyl-1-propanol, (1-aminocyclopentyl)methanol (all preferred), 2-amino-2-methyl-1-heptanol, 2-amino-2-ethyl-1-hexanol, 2-amino-2-propyl-1-pentanol, 2-amino-2-methyl-1-nonanol, 2-amino-2-ethyl-1-octanol, 2-amino-2-propyl-1-heptanol, 2-amino-2-butyl-1-hexanol, 2-amino-2-methyl-1-decanol, 2-amino-2-ethyl-1-nonanol, 2-amino-2-propyl-1-octanol, 2-amino-2-butyl-1-heptanol, 2-amino-2-methyl-1-undecanol, 2-amino-2-ethyl-1-decanol, 2-amino-2-propyl-1-nonanol, 2-amino-2-butyl-1-octanol, 2-amino-2-pentyl-1-heptanol, 2-amino-2-methyl-1-dodecanol, 2-amino-2-ethyl-1-undecanol, 2-amino-2-propyl-1-decanol, 2-amino-2-butyl-1-nonanol, 2-amino-2-pentyl-1-octanol, (1-aminocycloheptyl)methanol, (1-aminocyclononyl)methanol, (1-aminocyclodecyl)methanol, (1-aminocycloundecyl)methanol, (1-aminocyclododecyl)methanol, 2-amino-2-phenyl-1-ethanol and/or 2-amino-2-phenyl-1-butanol; is the boric acid, lactic acid, pelargonic acid, nonanoic acid, neodecanoic acid, sebacic acid, azelaic acid, citric acid, benzoic acid, undecylenic acid, lauric acid, myristic acid, stearic acid, oleic acid (preferred), tall oil fatty acid, a linear, branched, cyclic, or unsaturated or aromatic mono- or poly-carboxylic acid having 1-24C, salt of (I); or oleic acid salt of a mixture of 2-amino-2-methyl-1-octanol, 2-amino-2-ethyl-1-heptanol or 2-amino-2-propyl-1-hexanol. The hydrocarbonaceous composition: is a liquid fuel and the biocide is a combination of 4-(2-nitrobutyl)-morpholine with 4,4'-(2-ethyl-2-nitrotrimethylene) dimorpholine, a combination of 5-chloro-2-methyl-4-isothiazolin-3-one with 2-methyl-4-isothiazolin-3-one, combination of (thiocyanomethylthio)benzothiazole with methylene bis(thiocyanate), a substituted dioxaborinane and/or an oxazolidine; or is petroleum and the biocide is glutaraldehyde, 2-bromo-2-nitro-1,3-propanediol, an isothiazolinone compound, 2,2-dibromo-3-nitrilopropionamide, tetrakis(hydroxymethyl)phosphonium sulfate, an oxazolidine compound, a quaternary ammonium, cocodiamine and/or dazomet. In the blend: the weight ratio of amino-alcohol to biocide of blend of 4-(2-nitrobutyl)-morpholine with 4,4'-(2-ethyl-2-nitrotrimethylene)dimorpholine is 30:1-1:1; and the weight ratio of amino-alcohol to biocide of blend of 5-chloro-2-methyl-4-isothiazolin-3-one with 2-methyl-4-isothiazolin-3-one is 70:1-3:1. Preferred Definitions:    R1, R3 = H;    R5 = absent or methylene or ethylene bridge; and    R2, R4 = alkyl, H, CH3 or aryl.    EXAMPLE - No suitable example given.