CA Branch 3 case studies

CA Branch 3 · Put your knowledge to work in context.

The California Structural Pest Control Branch 3 license is the fumigation credential issued through the Structural Pest Control Board, which operates within the California Department of Consumer Affairs. It authorises the holder to conduct fumigation work - typically whole-structure treatments using space-filling gases - under the supervision requirements that apply to a licensed operator or field representative in that branch. The CA Branch 3 case studies are 5 cases and about 3,909 words.

Dosage, Cube, and a Half-Loss Time That Barely Passes

A two-story, 2,200 ft2 single-family house is scheduled for sulfuryl fluoride fumigation for drywood termites confirmed in the attic joists and in the mudsill at the crawlspace. Living-space ceiling height is 8 ft; the attic averages 4 ft of clearance; the crawlspace is 2 ft deep.

768 words, about 4 min 2

A 3 ppm Reading at the Door and a Downed Technician

Two technicians are aerating a 6,000 ft3 single-family house at 6:40 a.m. after a sulfuryl fluoride fumigation.

745 words, about 4 min 3

Duplex With a Continuous Attic and a Tenant Who Will Not Leave

A 1972 side-by-side duplex, 1,100 ft2 per unit, shares a common foundation and a continuous, undivided attic. The owner of Unit A contracts for a sulfuryl fluoride fumigation for drywood termites.

862 words, about 4 min 4

The Homeowner in the Driveway and a 4 ppm Closet

A 7,500 ft3 condominium was fumigated with sulfuryl fluoride; the label clearance level for an occupied dwelling is 1 ppm. Aeration started at 6:00 a.m., the tarp came off at 9:30 a.m., and blowers have run at the front door and in the hallway since then.

730 words, about 4 min 5

Methyl Bromide at 52 F, Phosphine Humidity, and a Copper-Clad Server Rack

A food warehouse of 40,000 ft3 holding 60-lb bags of cocoa powder on pallets wants a fumigation for Indian meal moth and sawtoothed grain beetle. The warehouse is unheated at the dock end, the product probe reads 52 F, and ambient RH is 30%.

804 words, about 4 min