BTW, I winced at the mention of birds and bats. Bat guano (as a
bacteria source, actually) is really bad ____, and bird poop is not so
hygienic either.
--
Thomas J. Phillips AIR {) FOOD
Air Pollution Research Specialist /|\
CARB/RD, Box 2815, Sacramento, CA 95812 WATER | SKIN
916.322.7145/4357 FAX, http://www.arb.ca.gov _/ \_
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