Quantcast Solid Waste Survey Plans

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APPENDIX F
ESTIMATION TECHNIQUES
SOLID WASTE SURVEY PLANS
Introduction
1.
The following plans are excerpts from the Logistics Management Institute
Report, Measurement and Description of the DoD Solid Waste Problem, Project 8
(Interim Report) of March 1976, selected to familiarize the users of this
document with four methods of accomplishing a solid waste survey:  Plan A, Low
Cost/Low Precision - No Measurement Study; Plan B, Low Cost/Low Precision
Survey; Plan C, Medium Cost/Medium Precision Survey; and Plan D, High
Cost/High Precision Survey.
Plan A uses information readily available on the installation or from
published sources.  It requires no field measurements and a minimum of
expense.  Plan B encompasses Plan A as a reference base, but requires
measurements of solid waste weights on each of 15 collection days and visual
estimates of the composition and container load-volume percentages.  It is a
low-cost plan because it utilizes collection personnel to record the data.
Plan C also encompasses Plan A.  A sampling schedule, which identifies
individual or groups of similar waste-generating facilities, is constructed
and implemented by a survey team for 20 collection-day measurements.
Composition is determined by hand segregation and weight measurements.  Plan C
provides a higher level of waste measurement and is more expensive to conduct
than Plan B.  Plan D is similar to Plan C but the survey is conducted over
four 20-day measurement periods with each 20-day measurement period taking
place in a different quarter of the year.
Low Cost/Low Precision - No Measurement Study (Plan A)
2.
a.
Time Series Analysis, Step 1.  Collect recorded monthly weight,
container trips, or container load volumes of the solid waste disposed in the
landfill or incinerator, plus the weight of scrap materials turned into the
Defense Reutilization and Marketing Officer (DRMO), for the three most recent
fiscal years.  Determine if the data constitute a time series; if so, deter-
mine the secular trend and develop the seasonal index.  Convert all container
trip data to tons using a density factor of 82 pounds per cubic yard.  If the
loose-cubic-yard volume has already been adjusted for percent load (i.e.,
container 100, 75, 50, or 25 percent filled), convert to tons using a density
factor of 180 pounds per cubic yard.  Use the calculated trend and seasonal
index of the time series analysis to forecast the monthly and yearly total of
the solid waste tonnage for the current year.  Use the trend to forecast the
yearly totals for the next four fiscal years.  Record, by month, the total
weight and type of solid waste recovered through sales by the DRMO or
volunteer efforts.
Emission Variable Analysis
b.
(1)  Step 2.  Itemize the major solid waste generating facilities
(or groups of facilities) and collect population, square footage, and
F-1





 


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