PARTICLE AND SPORE TEST FOR CLARIFIER
ABSTRACT - The purpose of the test was to set up a closed system that best simulated a standard residential room. The particle counts in the test chamber would also be able to be identified and counted in a controlled scientific manner. The results tabulated and a realistic conclusion made.
PROCEDURE - A dust tight room was built with clear poly sheets mounted on all six sides onto a frame with seams carefully taped with packaging tape.
*The air sampling was performed on the outside and inside of the air chamber.
*The air sampling was then started immediately after placing the unit inside the chamber after taping all extra seams and running it on medium fan speed.
*Samples were obtained from factory supplied, 15 liters per minute vacuum pump, and each sample was run for a 10-minute collection time.
*Ambient temperature was 68 degrees F and humidity level was 50%.
*The chamber was 8 ft x 8 ft x 10 ft high.
*This chamber was sealed on all seams with plastic packaging tape. New dust free materials were used in the construction.
*Collection site was at 6 feet above floor inside the chamber and 16 inches in from the front and 12 inches in from the sidewall. The outside chamber collection site was 24 inches out from chamber walls and 5 feet above the floor. See sketch below.
*Unit was placed on the floor at the center part of the rear wall at 3" from the rear wall surface. See sketch below.
*See actual spore count sample test sheet attached, which lists the actual spores that were included in test.
SPORE CHAMBER DESIGN FOR AIR CLEANING TEST
LAB TESTING
Project
# 04009-010AA
Air Quality Sciences, Inc.
Marietta, GA.
Air - O - Cell Spore Trap Sampling
Sample Times for spore test
Sampling date - 5 / 18 / 98
| TEST # | TIME and LOCATION | ACTUAL COUNT |
| ST 1 | test start, outside chamber | 95 |
| ST 2 | test start, inside chamber | 51 |
| ST 3 | + 1 hour from test start, inside chamber | 0 |
| ST 4 | + 2 hour from test start, inside chamber | 0 |
| ST 5 | + 3 hour from test start, inside chamber | 2 |
| ST 6 | + 3 hour from test start, outside chamber | 105 |
| ST 7 | + 4 hour from test start, inside chamber | 0 |
| ST 8 | + 5 hour from test start, inside chamber | 0 |
| ST 9 | + 23 hours from test start, inside chamber | 0 |
| ST 10 | + 23 hours from test start, outside chamber | 72 |
Samples were collected and sealed with factory-supplied tape. All samples were previously numbered, placed into a box and sent to the lab for the actual spore counting. See attached sample test log sheet for the type of spores tested and cataloging.
RESULTS - Attached is the graph of the data results, which shows the rapid resultant reduction in room spore counts.
CONCLUSION - The test showed the ability to simulate a home environment and successfully reduce and maintain, over time, a very low level of particulate mater in the space. Test result show the air cleaning unit was very successful in reducing the fungal spores in the air of the test chamber and the results can be directly related to the ability of the unit to clean the air in any room, either in a residence or an office complex.
Copyright 1997 by NQ Industries, Inc.
