Duplicate experiments performed by state and federal agencies.
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Five water tests look for dissolved oxygen, hardness, chloride, phosphate, and pH. The kit also includes 4 air tests for suspended particles, smoke density, concentration of chemicals, and carbon dioxide.
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Includes 8 test chemicals, other test equipment, 2 charts, and a reproducible laboratory manual. Each test can be repeated several times.
Price: $59.95 Click here for more info.
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