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pattern of the target areas with R Z, R 3, R 3H, R 4, C 1, C 2, nP, P, CD, HD II, R 1, ]4 1, M 2 and 0 zonings. The Logan Area was zoned c~pletely M 1 and M 2 and showed the highest degree of incompatibility between zoning ar~ existing use. It appears as though a theoretical concept of zoning deteriorating housing to a higher use to stimulate conversion was pursued in ntnnerous cases in the Central Corridor Area. The Southeast/Delhi Target Area was zoned R 2 for the residential areas, with a C 1, Neighborhood Com- mercial corner at Central and Hallady, and strip coll,~ercial zoning on M~in Street and Warner Avenue. There is some M 1 zoning on Orange Avenue south of the Southern Pacific Railroad right of way, but only seven residential units are affected. Depending upon the selection of action programs for the various target areas, some rezoning may be necessary in order to dis~ courage speculation and absentee ownership if the areas are to be retained as low density residential. The Potential Problem Areas identified in Chapter VII are primarily zoned R 1 with some R 2. These areas in particular would need modification of the residential districts to reflect the problems of expanding and enhancing existing uses and the need for standards of long term maintenance. Santa Ana Growth Policy The Santo Arm Growth Policy is an att,,pt to create an equilibriom between growth trends and service capacity by using cost-benefit analysis. Only in this case are we concerned with the entire City of Santa Ana rather than a parcel of land or particular project. For that reason, it has to be hypothetical in construction and will need modification as actual conditions change or evolve over time. Estimates of absorption capacity, recycling to higher intensity residential use, loss of residential use to other uses, development phasing and revenue projections are subject to influence by in- dependent variables over which the local governmental structure does not have control. Therefore, the docoment is one of "polic~' rather than one of pre- diction. It attempts to establish desirable growth levels within which the City can feasibly serve new residents and businesses in the most economic fashion. The population allocation model contained in this revised Housing Element does not foresee the same intensity of growth anticipated by the Growth Policy Report. Santa Ana is forecasted to reach a population of 206,800 persons in 1990 by the Urban Puture's model, while the adopted "growth policy" stipulates a limit of 255,000 persons in 1990. The alloca- tion model was based on a statistical analysis of the desirability factors of all the census tracts in Orange County and used as its source the 00002