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Companies rushed various new blends into production before the published compliance dates

No problem, thats of course also allowed

J Allergy Clin Immunol 108(4):503508

Examples of commonly reported symptoms include: Headache Coughs Skin issues Dizziness Fatigue Sensitivity to odors Irritated mucous membranes Allergies Asthma Gut issues Irritability Fever and chills Muscle aches Researchers believe that sick building syndrome is caused by a combination of indoor air contaminants (bioaerosols, VOCs, molds, etc.) that can routinely be found in buildings, as well as a component of poor ventilation and/or poorly maintained HVAC systems