Historic Images Part Number: sia23881. This is an original press photo. Photo is dated 03-06-1972. It may contain wrinkles, cracks, and possibly even tears due to its age and how it was handled before it got to us.
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Historic Images Part Number: sia24841. This is an original press photo. Photo is dated --1960. It may contain wrinkles, cracks, and possibly even tears due to its age and how it was handled before it got to us.
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This is an original press photo. Photo is dated 05-01-1968. It may contain wrinkles, cracks, and possibly even tears due to its age and how it was handled before it got to us. A scanner may interpret colors and contrast differently than human eyes will, so it is possible that the actual photograph may be slightly darker or lighter in person.
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Historic Images Part Number: dfpb02453. Photo is dated 3/4/1979. It may contain wrinkles, cracks, and possibly even tears due to its age and how it was handled before it got to us. A scanner may interpret colors and contrast differently than human eyes will, so it is possible that the actual photograph may be slightly darker or lighter in person.
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Photograph Notes: Here the liquid sewage is allowed to stand whilst the semi-solid material sinks to the bottom. When it is settled, the sludge at the bottom goes to the sludge bed [[1450217]] and the liquid layer goes to the filter beds [[1450096]].
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Published test results of 11.5:19.2:8.4mg/ltr (BOD:suspended solids:ammonia), with influent concentrations on test higher than those chosen by most competitor plants, effectively equates to 97% pollutant removal.
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Historic Images Part Number: sra00694. This is an original press photo. Photo is dated 08-18-1965. It may contain wrinkles, cracks, and possibly even tears due to its age and how it was handled before it got to us.
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Examine photos carefully for condition and detail.
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