Environmental Assessment Outline Prepared by Glenn Morris and Doug Ayres Environmental Testing Company Dec 3, 2007

Mold 101 Presented By: Glenn Morris, CRMI N. Douglas Ayres, CIE, CRMI Environmental Testing Company 10080 Boca Cir Parker, CO 80134 720-352-0749

What is Mold Mold has been on earth for a BILLION years The Bible reports mold and how to treat it Mold is part of the kingdom of fungi 100,000 known species Only 50 known molds are mycotoxic Types of molds found in Colorado

What is Mold? Superficial often wooly growth produced especially on damp or decaying organic matter or on living organisms Common term for fungus (mildew) Living organism that attacks or feeds on organic matter Mold sporates to spread; can remain in the air for hours Mold is everywhere on the earth Visible fungi found in indoor environments Referenced in the bible – Leviticus, Chapter 14, Verse 41 – 44 Kembell & Schrick Consulting Group 4

Favorable Conditions For Indoor Mold Growth Constant moisture lasting longer than 24 hours (24 – 72 hrs ) Available nutrients Poor circulation of air – slows down drying Spores + Water + Time = Mold 5

Requirements For Mold Growth Organic Matter + Oxygen + Liquid Water Relative humidity above 65% is conducive to mold growth Temperature in excess of 65 degrees F is conducive to mold growth In many cases, the lack of ambient light Kembell & Schrick Consulting Group LC 6

Simply – Mold is Like An Apple Tree 7

Occupant Health Info Have any of the occupants experienced any adverse health effects such as: headaches; runny nose; irritation in the eyes, nose, or throat; trouble breathing; sinus congestion; fatigue; dizziness; nausea; sneezing or irritation? Health considerations Infants Children < 13 Elderly Immune compromised individuals Pregnant women Asthmatics Allergic individuals 8

Standard of Care at The Classical Academy Environmental Testing Company uses a conservative approach to assessment and remediation protocols: Trigger point is 2 times the control; current industry standard is 3 times Zero tolerance of Stachybotrys and Chaetomium molds Building materials must be at or below 17% moisture content 9

Deliver a Protocol for the remediation of all affected buildings Background The Classical Academy selected Environmental Testing Company (ETC) on November 26th to provide the services necessary to prepare an Environmental Assessment of the East Campus buildings. Goals Provide Classical Academy management with a situation report describing existing conditions Deliver an integrated view of each building on the campus (excluding the gym) Deliver a Protocol for the remediation of all affected buildings Interface with other members of the remediation and restoration team Conduct Final Inspections and Testing to confirm classrooms have been cleaned according to the Protocol Provide management with on-going consulting and support regarding environmental issues 10

What Has Been Done So Far Every classroom has had a completed exterior visual inspection The crawlspace in every classroom has been inspected The interior of each classroom has been inspected Every classroom has had air sampling for mold All this data has been compiled and assessed A contractor team has been assembled A Project Plan is being developed and will be completed next week

Assessment Guidelines Very conservative guidelines -- safety of children, staff and volunteers highest priority Guidelines for Mold Assessment – Remediation necessary if any one of these factors is present: - Total Spore count above 1,300/m3 - Hyphal fragments present - Chaetomium and/or Stachybotrys present 3. Identification, removal and cleaning of all areas affected by mouse debris

Summary of Findings Each crawlspace has a moisture and mold issue that must be repaired Some buildings have compromised moisture barriers and insulation and all need aprons replaced 3. Some classrooms have mold issues that must be remediated 4. Evidence of mouse debris 5. Existing drainage is a major cause of the moisture and mold issues 6. Moisture problems drive mold issues. Water intrusion beginning to manifest itself now, quick action will prevent escalation

GYM * * * Office Library * * Roadway * * S E W N Initial Assessment- Visual Inspection and Air Samples 28 27 29 30 GYM Visible mold 24 23 26 25 * Elevated Samples, No visible mold 39 31 32 20 19 22 21 40 34 33 16 15 * 18 * 17 37 Office 14 13 36 35 38 Library 12 11 10 9 8 * * 7 6 5 Roadway * * 4 3 2 1 E W S N

Recommendations For Each Classroom: Mouse Corrective program begins A “negative air” system will be installed to draw air out of each building through the crawl space Water and moisture management (drainage and negative air system) Each building apron will be replaced During apron replacement, mouse deterrents will be included All compromised moisture barriers and insulation under the buildings will be replaced or repaired

Recommendations For Each Classroom (continued): All drywall will be cut at the bottom to do visual inspection for mold and mice debris Any visual mold or mouse debris will be remediated Any classrooms that need to be remediated will have all the contents removed Each classroom will be wiped down before contents are replaced All carpets will be replace with linoleum flooring Once the remediation is completed, Environmental Testing Company will retest every classroom to ensure that the mold and mice issues were resolved properly and according to the Protocol.

Remediation and Repair Plan Phase 1: Dec 3 – Dec 16 Meeting of Project Team and Project Coordinator Begin mouse corrective program. Traps and flood cuts in each closed building. Remediate areas with contamination. The crawlspace for each closed building will have negative air system installed. The classrooms that have been closed will be emptied of materials. They will be moved to temporary storage outside. Large items will be wiped and left in place. Mold Remediation will be completed in these classrooms first. Restoration of affected classrooms. All materials, equipment and crews will be assembled prior to Phase 2 - Dec 17th.

Remediation and Repair Plan Phase 1 – Dec 3rd – Dec 16 NOTE: Classrooms with very low mold sampling results and small patches of visible mold will be treated and reopened. The process for these rooms will be: Treat the affected areas with SERUM 1000 (18% Hydrogen Peroxide, (this is a GREEN product and has no VOCs) HEPA Vacuum area Seal with plastic containment Install Air Scrubber (HEPA) unit in classroom during Phase 1

Remediation and Repair Plan Phase 2 – Dec 17th to Jan 3rd Install main drainage line Begin to empty buildings Dry out building, sub-floors and crawlspaces Begin digging drain trenches around each building Remove aprons around buildings Remediate mold in crawlspaces Repair and /or replace insulation, moisture barriers and subfloors as required in crawlspaces Final testing for each classroom as completed Replace aprons and ensure mouse deterrents installed Restoration of buildings

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