{"1":{"1":"Surfacing materials, including textured coatings, drywall mud, plasters, and stucco","2":"Sprayed insulation and blown-in insulation, including sprayed fireproofing","3":"Loose vermiculite insulation (including vermiculite insulation within concrete masonry units, or CMUs)","4":"Ceiling tiles","5":"Flooring, including vinyl sheet flooring (and backing) and floor tiles"},"2":{"1":"Less than 90 m2 (approximately 1,000 sq. ft.) Between 90 and 450 m2 (approx. 5,000 sq. ft.) Greater than 450 m2","2":"Less than 90 m2 (approx. 1,000 sq. ft.)Between 90 and 450 m2 (approx. 5,000 sq. ft.)","3":"Less than 90 m2 (approx. 1,000 sq. ft.)","4":"Less than 90 m2 (approx. 1,000 sq. ft.)","5":"Any size"},"3":{"1":"At least 3 samples of each type of surfacing material","2":"At least 3 samples","3":"At least 3 samples","4":"At least 3 samples","5":"At least 1 sample per flooring type in each room (and 1 from each layer of flooring)"},"4":{"1":"50 cm3 (3 cu. in.); for drywall mud, sample the mud only\u2014do not include the drywall or tape","2":"50 cm3 (3 cu. in.)","3":"4 L (1 gal.); collect from the top to the bottom of the application to get a representative sample","4":"5 cm x 5 cm (2 in. x 2 in.)","5":"5 cm x 5 cm (2 in. x 2 in.)"}}