. Slash fire atmospheric pollution. Air Pollution; Slashburning Environmental aspects Northwest, Pacific. A 3 • 2 • 1 • D F H J •8 C E G K M • 1 High volume and charcoal filter PB-1, PB-4. G-11 ? METEOROLOGY OBSERVATIONS Figure 4. — Location of water-displacement air samplers, other samplers, and meteor- ological observations for broadcast fire. Pack Forest, June 1968. Sampling lines are numbered 1, 2, and 3, and locations on each line are represented by letters. Infrared Gas Analyzers Filter. Dilution Squeeze Cell Pump Figure 5. — Analytical train for CO and C02 Please note that th

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. Slash fire atmospheric pollution. Air Pollution; Slashburning Environmental aspects Northwest, Pacific. A 3 • 2 • 1 • D F H J •8 C E G K M • 1 High volume and charcoal filter PB-1, PB-4. G-11 ? METEOROLOGY OBSERVATIONS Figure 4. — Location of water-displacement air samplers, other samplers, and meteor- ological observations for broadcast fire. Pack Forest, June 1968. Sampling lines are numbered 1, 2, and 3, and locations on each line are represented by letters. Infrared Gas Analyzers Filter. Dilution Squeeze Cell Pump Figure 5. — Analytical train for CO and C02 Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Fritschen, Leo. dn. Portland, Or. : Pacific Northwest Forest and Range Experiment Station, Forest Service, U. S. Dept. of Agriculture

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