Mold_Reports_for_Bldgs_4285,_4286,_4287.pdf
PDF 3 MB Posted
- Attached to
- Mold Remediation Services Federal contract opportunity
- Solicitation number
- W911YN-19-Q-5006
About this file
The ONLY buildings that will be remediated will be 4286 and 4287.
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Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| RFI_Mold_SRM-fy19-001-_answered.pdf | ||
| Drawings_of_Bldgs_4286_&_4287.pdf | ||
| Mold_Remediation_Sign_In.pdf | ||
| Lab_Results_for_Bldg_4287.pdf | ||
| Lab_Results_for_Bldg_4286.pdf | ||
| COA_for_Mold_Remediation_signed,_approved.pdf | ||
| RFI_for_Mold_Remediation.pdf | ||
| Site_Visit.pdf | ||
| Performance_Work_Statement_(PWS)_for_SRM-FY19-001.docx.pdf | ||
| Combined_Synopsis_Solicitation.pdf |
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Text version
February 5, 2019
Re: 202 Red Horse Squadron-Building 4285 A wing
Camp Blanding 5629 16 W. Stark, FL 32034
Thank you for giving The First Coast Mold Detectives the opportunity to serve you by providing our mold detection services.
Section 1
Building 4285 A wing - Camp Blanding
The Mold Detectives www.themolddetectives.com
Office 904-998-8584 http://www.themolddetectives.com/
The Mold Detectives was contacted to perform a mold assessment with air samples in building 4285 A wing, building 4286 B wing and building 4287 C wing in late January 2019. The Mold Detectives had performed a preliminary assessment and testing in one room of building 4285 and one room of building
4220 on September 14, 2018 and found elevated spore counts in both locations. The amount of visible suspected microbial growth found in several rooms and the spore counts in building 4285 necessitated further testing. See our report dated September 19, 2018
Dennis Williams, MRSA 2493, returned to building 4285 on November 9, 2018 to collect cavity samples in three locations in an effort to determine the extent of microbial growth. Cavity samples are collected from the spaces between the walls that separate the rooms. Samples were taken in rooms A4, A9 and
A14. All three locations had elevated spore counts with room A4 having the highest levels. See our report dated November 17, 2018
Dennis Williams returned on January 29, 2019 to take samples in buildings 4285, 4286 and 4287. The rooms sampled were spaced to better understand the scope of the contamination. The attic areas of each building were also sampled at either end. The samples were submitted to EMLab P&K an independent accredited microscopy laboratory. Lab ID# 173067.
The air samples were collected using Air O Cell cassettes. The sampling technique involved pumping 15 liters of air per minute for 5 minutes through each cassette for a total of 75 liters. The slides inside the cassettes were then evaluated under high power microscopy and a spore count analysis was then provided by EMLab P&K.
According to the ACGIH the proper way to evaluate airborne mold and particulate is to compare total spore counts between the baseline (exterior) sample and each indoor air sample quantity. After analyzing the EmLab P&K report we find the following:
Only elevated spore counts are reported here.
A8-Location of sample #27612076. Room A8 spore counts per cubic meter of air.
Building 4285
Room A8 Spore counts
Penicillium/Aspergillus__ 25,000
Cladosporium __________2,200
Basidiospores__________1,000
Total spore count______28,000
Outside spore counts
For more detailed spore counts for building 4285 A wing see EMLab report #2087334
A14-Location of sample#27612085 Room A14 spore counts per cubic meter of air
A13- Location of sample #27612101 Room A13 spore counts per cubic meter of air.
Building 4285
Room A14____Spore counts
Penicillium/Aspergillus___22,000
Cladosporium___________2,000
Basidiospores____________370
Total spore count________24,000 counts
Room A13__ __Spore counts
Penicillium/Aspergillus____7,200
Cladosporium____________ 370
Total Spore Count________7,700 counts
A9- Location of sample #27612075 Room A9 spore counts per cubic meter of air.
A3-Location of sample #27612102 Room A3 spore counts per cubic meter of air.
Room A9 _ Spore counts
Penicillium/Aspergillus__ __9,500
Cladosporium____________1,100
Total Spore Count __ 11,000 counts
Room A3 Spore counts
Penicillium/Aspergillus_____50,000
Cladosporium_____________8,100
Basidiospores______________160
Total Spore Count 58,160 counts
Attic E. location of sample#27612077. Attic, East end spore counts per cubic meter of air.
Attic W. location of sample #27612087 Attic, West end spore counts per cubic meter of air.
Note: Normally attic areas are not tested for air borne mold spores as attic air is considered “outside air”. The attics on buildings 4285, 4286 and 4287 are closed systems. While many attics are ventilated by way of eave vents, ridge vents or exhaust fan systems these attic areas have no such ventilation methods in use. This can trap heat, humidity and mold spores. This can, in some cases, contribute to moisture and mold issues in these enclosed environments and the living areas below.
Attic, East Spore counts
Penicillium/Aspergillus_____4,900
Total Spore Count 5,400
Outdoor spore counts
Attic, West Spore counts
Penicillium/Aspergillus________800
Basidiospores_______________210
Total Spore Count _ 1,200 counts
During the testing of building 4285 A wing, each room where an air sample was collected was also inspected for visible suspected microbial growth (VSMG). Below are photographs of VSMG on the furniture in those rooms.
Visible suspected microbial growth on a tray table and the back of a dresser in room A8.
VSMG on a tray table and the back of a dresser in room A13.
VSMG on the side of a bed frame and inside a night stand drawer.
Re: 202 Red Horse Squadron-Building 4286 B wing
Section 2
Building 4286 B wing – Camp Blanding
The Mold Detectives www.themolddetectives.com
A total of 8 air samples were collected from building 4286 B wing. The first sample was taken in the laundry followed by 5 dorm rooms and 2 samples from the attic area.
The air samples were collected using Air O Cell cassettes. The sampling technique involved pumping 15 liters of air per minute for 5 minutes through each cassette for a total of 75 liters. The slides inside the cassettes were then evaluated under high power microscopy and a spore count analysis was then provided by EMLab P&K.
The overall results showed elevated levels of Penicillium/Aspergillus only. All other spore counts were below those recorded outside.
Laundry-Location of sample #27608970 Laundry room spore counts per cubic meter of air.
B9-Location of sample #27612107 Room B9 spore counts per cubic meter of air.
Building 4286
Laundry Room Spore counts
Penicillium/Aspergillus_______160
Total spore count _ 350
Building 4286
Room B9 Spore counts
Penicillium/Aspergillus _ 360
Total spore count _ 560
For more detailed spore counts for building 4286 B wing see EMLab report #2087339
B3-Location of sample #27612067 Room B3 spore counts per cubic meter of air.
B2-Location of sample #27612063 Room B2 spore counts per cubic meter of air.
Room B3 Spore counts
Penicillium/Aspergillus _ 730
Total spore count _ 860
RoomB2 Spore counts
Penicillium/Aspergillus _ 350
Total spore count __ 470
B8-Location of sample #27612138 Room B8 spore counts per cubic meter of air.
B14-Location of sample #27612061 Room B14 spore counts per cubic meter of air.
Room B8 Spore counts
Penicillium/Aspergillus _ 2,700
Total spore counts _ 2,900
Room B14 Spore counts
Penicillium/Aspergillus _ 970
Total spore count _ 1,000
No photo available for sample #27612078 Attic NW end spore counts per cubic meter of air.
Attic SE-Location of sample #27612079 Attic SE end spore counts per cubic meter of air.
Attic, NW Spore counts
Penicillium/Aspergillus _ 3,600
Total spore count 3,800
Attic, SE Spore counts
Penicillium/Aspergillus 1,500
Total spore count 1,800
During the testing of building 4286 B wing, each room where an air sample was collected was also inspected for visible suspected microbial growth (VSMG). Below are photographs of VSMG on the furniture in those rooms.
VSMG on a wall in the laundry room. VSMG on a tray table in room B9.
Visible suspected microbial growth on a dresser and a bed frame in room B9.
VSMG on the back of a dresser and the back of a headboard in room B3.
VSMG on the back of a dresser in room B8. Visible growth on a bed frame in room B14.
Visible suspected microbial growth on the wall in room B8. Above is a close-up of the wall growth.
Re: 202 Red Horse Squadron-Building 4287 C wing
Section 3
Building 4287 C wing – Camp Blanding
The Mold Detectives www.themolddetectives.com
A total of 8 air samples were collected from building 4287 C wing. The first sample was taken in the Day room followed by 5 dorm rooms and 2 samples from the attic area.
The air samples were collected using Air O Cell cassettes. The sampling technique involved pumping 15 liters of air per minute for 5 minutes through each cassette for a total of 75 liters. The slides inside the cassettes were then evaluated under high power microscopy and a spore count analysis was then provided by EMLab P&K.
Dayroom-Location of sample #27612059 Dayroom spore counts per cubic meter of air.
C6- Location of sample #27612071 Room C6 spore counts per cubic meter of air.
Building 4287
Dayroom Spore counts
Penicillium/Aspergillus 1,500
Total spore count 1,700
Room C6 Spore counts
Penicillium/Aspergillus 310
Cladosporium 490
Total spore count 810 counts
For a more detailed spore count for building 4287 C wing see EMLab report #2087340
C2- Location of sample #27612089
C1-Location of sample #27612097
Room C2 No Elevated spore counts
Room C1 No elevated spore counts
C7-Location of sample #27612072
C13-Location of sample #27612091
Room C7 No elevated spore counts
Room C13 No elevated spore counts
Attic S.-Location of sample #27612068 Attic South spore counts per cubic meter of air.
Attic N.-Location of sample #27612082 Attic North spore counts per cubic meter of air.
Attic S. Spore counts
Penicillium/Aspergillus 29,000
Cladosporium 640
Total spore count 30,000 counts
Attic N. Spore counts
Penicillium/Aspergillus 71,000
Cladosporium 640
Total spore count 72,000 counts
The sink cabinet in the dayroom. Close up of the inside of the cabinet door.
A table in the dayroom. Close up of the underside of the table.
Game/TV cabinet in dayroom. Close up of the underside of a shelf in the game cabinet.
In building 4287 the dayroom and attic area contain the highest spore count elevations. The dayroom ceiling is a simple drop ceiling consisting of acoustic tiles in a metal framework. There is no other barrier between the dayroom and the attic area of C wing. The spore counts of Penicillium/Aspergillus in the attic area are very high and would easily account for the problems in the dayroom.
Conclusion
How individuals react to elevated spore counts of any mold species depends on personal physiology.
There are no established “safe” levels of mold spores.
Building 4285, A wing, has the highest spore counts within the rooms and will need the most intensive remediation efforts. In the interest of safety we recommend for the present time that the rooms in building 4285 remain unoccupied.
Building 4286, B wing, of the rooms tested the highest spore counts are on the west side of the building and on the north side of the attic. If visible suspected microbial growth is found in the occupied rooms in this building relocation of the students should be considered.
Building 4287, C wing, has the highest spore counts in the dayroom and the attic area.
If you have any questions about this report or the laboratory analyses please contact us.
Thank you, Dennis Williams, MRSA2493
Director of Operations
Office 904-998-8584 Cell 904-616-0849 dennis@themolddetectives.com
Penicillium/Aspergillus spp. – Both Aspergillus and Penicillium are fairly common in the indoor environment. They are commonly present in higher levels indoors when compared to outdoors conditions. Increased levels of these spores indoors usually indicate a water intrusion/leak and/or elevated moisture conditions. Aspergillus/Penicillium spp. are very common worldwide. They can be isolated from air, plants, foodstuffs, soil, dust layers, garbage/compost, animal dung, cotton, cellulose, textiles, carpet, wallpaper, and in interior fiberglass duct insulation, painted surfaces, wood and fabric covered furniture and cotton fabrics. Some Aspergillus species are allergenic and other species produce powerful mycotoxins. Some of the species are one of the most common causes of systemic fungal disease in humans and animals causing primarily acute or chronic respiratory tract infections. All of the species contained in this genus should be considered allergenic. Some Penicillium species produce a mycotoxin. The Aspergillus/Penicillium spp. group represents fungal spores from a variety of fungal genera that can be indistinguishable from other similarly small, round (globose to sub-globose) fungal spores including, but not limited to the fungal genera; Acremonium, Botrytis, Gliocladium, Paeciliomyces, Trichoderma, Scopulariopsis, Wallemia, and many others. Common and important allergen. Common. Type I allergies (hay fever, asthma). Type III hypersensitivity pneumonitis: Cheese washer's lung, Woodman's lung, Moldy wall hypersensitivity. Widespread. Commonly found in house dust. Grows in water damaged buildings on wallpaper, wallpaper glue, decaying fabrics, moist chipboards, and behind paint. Also found in blue rot of apples, dried foodstuffs, cheeses, fresh herbs, spices, dry cereals, nuts, onions, and oranges.
Cladosporium is the most frequently found genus of fungi in outdoor air in temperate climates and the enzymes are especially suited for the breakdown of cellulose, pectin and lignin. There are more than
500 species that are found in both indoor and outdoor environments with an optimum growth rate at a temperature range of 18-28°C. Most colonies of Cladosporium spp. from typical indoor air samples are of outdoor origin. This is primarily due to their ability to rapidly invade many different habitats and easily disperse large numbers of spores. Studies have shown that as many as 10,000 spores / m3 of
Cladosporium spp. can be found in an outdoor sample in the summer. Cladosporium is isolated from air, dust, plants (decaying or alive), soil, textiles and wood. Cladosporium is also often encountered in dirty refrigerators, on moist window frames and anywhere condensation can occur (such isolation is not normally a cause for concern). There are no specific mycotoxins that are known to be produced by species of Cladosporium spp. Common and important allergen. Type I allergies (hay fever, asthma). Type
III hypersensitivity pneumonitis: Hot tub lung, Moldy wall hypersensitivity. Growth Indoors;
Widespread, on many substrates, including textiles, wood, moist window sills. Grows at 0°C, and so is associated with refrigerated foods.
Addendum 1
Basidiospores are a general category of sexual spores that have been released from the basidium of a fungus. This class contains the mushrooms, shelf fungi, puffballs, and a variety of other macro fungi.
Aubiquitous type I & III allergen, saprobe and plant pathogen, mainly found in gardens, forests, and woodlands. Spores disseminate during rain or in times of high humidity. Rarely opportunistic pathogens, many basidiomycete spores are reported to be allergenic. Basidiospores are an agent of dry wood rot, which may destroy the structure wood of buildings. The presence of Basidiospores in indoor air samples usually indicates an infiltration of outdoor air.
Source: Intuitive Environmental Solutions, LLC & EMLab P&K
Addendum 2
File details come from the government source that posted it.