Texas Case Studies & Client Outcomes

Explore real-world environmental inspections, emergency water damage dry-outs, hospital-grade mold remediations, and commercial environmental projects across Houston, Galveston, and the Texas Gulf Coast.

SHOWING: 6 / 6 CASE STUDIES
HOUSTON REGION • HOUSTON METROPLEX • REF #EVG-849201
■ TDI FORM MDR-1 ISSUED STATUS: VERIFIED & CLEARED • PRV CLEARED
95.9% Spore Reduction Indoor Air Purity Clearance
6-Day Turnaround 144-Hour Emergency Recovery
TDI Form MDR-1 Issued State Regulatory Clearance
Commercial water loss negative pressure containment and desiccant drying zone
SITE: SURGICAL SUITE 2B MONITOR: -0.032 IN-WC

Commercial Healthcare Facility Water Mitigation & Surgical Suite Recovery

SITE BASELINE

Commercial Medical Complex

14,200 sq. ft. outpatient surgical clinic. Pressurized Category 3 hydronic HVAC loop failure. Initial psychrometrics: 78.4°F / 88.6% RH / 132 GPP. Wall framing registered 34.2% WME with imminent risk of cross-contamination into clean surgical theaters.

PROTOCOL ENGINEERING

Pressure Control & Desiccants

Constructed airtight poly containment with zipper airlocks maintaining -0.032 in-WC negative pressure differential. Deployed six 2,000 CFM HEPA air filtration units generating 8.2 ACH. Mobilized 5,000 CFM desiccant unit delivering < 34 GPP deep-cavity vapor removal with EPA botanical sanitization.

CLEARANCE METRICS

95.9% Spore Reduction

Spore trap sampling confirmed indoor levels dropped from 8,460 outdoor baseline to 340 spores/m³. Zero marker pathogens detected on culture plates. State Certificate of Mold Damage Remediation (TDI Form MDR-1) issued within 6 days.

Commercial structural drying and restoration operational staging
EVIDENCE DOSSIER • RESTORATION STAGING

Trailer-mounted desiccant equipment and LGR drying units deployed to establish closed-loop equilibrium drying.

TEXAS CITY HQ • TEXAS CITY REFINERY CORRIDOR • REF #EVG-910442
■ NESHAP 40 CFR 61 COMPLIANT STATUS: VERIFIED & CLEARED • DSHS VERIFIED
Zero Facility Downtime Averted $350K/Day Penalties
36-Hour Clearance 128 PLM & 320 XRF Nodes Audited
NESHAP & DSHS Verified < 0.01 f/cc PCM Clearance
Industrial environmental hygiene inspector with Niton XRF analyzer at Texas City refinery
SITE: FRACTIONATION TOWER 4 NITON XRF: 320 NODES

Petrochemical Refinery Turnaround Asbestos NESHAP & XRF Lead Audit

SITE BASELINE

Petrochemical Refinery Turnaround

42,000 sq. ft. high-heat hydrocarbon fractionation corridor undergoing emergency planned turnaround. 2,400 linear ft of suspect thermal pipe insulation and 50,000 sq. ft. structural coatings requiring immediate regulatory hazard screening before torch cutting.

PROTOCOL ENGINEERING

NESHAP 40 CFR 61 & Spectrum XRF

Executed 128 core PLM samples under 4-hour rush turnaround in our Galveston TDLR/DSHS-accredited laboratory. Niton XLp XRF radiometer non-destructively screened 320 structural steel nodes for lead primer under full Level B containment.

CLEARANCE METRICS

Zero Facility Downtime

100% regulatory air clearance confirmed via PCM (NIOSH 7400) under < 0.01 f/cc. Complete state and federal compliance documentation furnished in 36 hours, averting $350K/day facility outage penalties.

GALVESTON ISLAND • GALVESTON ISLAND COMMAND • REF #EVG-773190
■ 100% HISTORIC PRESERVATION STATUS: VERIFIED & CLEARED • PRV CLEARED
100% Timber Salvage Zero Historic Demolition
22,000 Gal Extracted Saline Surge Purged in 14h
7-Day PRV Clearance Ambient Ocean Air Equivalence
Industrial desiccant dehumidifier trailer operating at historic Galveston landmark after storm surge
SITE: STRAND HISTORIC DISTRICT EXTRACTION: 22,000 GAL SALINE

Barrier Island Hurricane Surge Desiccant Restoration & Timber Salvage

SITE BASELINE

Historic Waterfront Landmark

18,500 sq. ft. multi-story Victorian landmark inundated by 2.5 ft brackish storm surge. Subfloor cavity relative humidity registered 94% ERH with aggressive Aspergillus and Penicillium proliferation threatening irreplaceable 1890s millwork.

PROTOCOL ENGINEERING

Deep Desiccants & Botanical Purge

Bulk extraction purged 22,000 gallons of saline floodwater within 14 hours. Closed-loop 10,000 CFM desiccant dehumidification maintained sub-30 GPP grain depression. Applied EPA-registered thymol botanical antimicrobials to virgin longleaf pine structural timbers.

CLEARANCE METRICS

100% Timber Salvage

Structural framing moisture content stabilized at 12.4% WME with zero dimensional warping or rot. Spore counts confirmed equal to clean ambient ocean air. 100% preservation achieved with zero historic demolition required.

CLEAR LAKE & BAY AREA • CLEAR LAKE AEROSPACE • REF #EVG-629810
■ EMLAP • ISO 14644-1 CLASS 7 VERIFIED STATUS: VERIFIED & CLEARED • QA VALIDATED
Zero CFU Residual 0 CFU on 48 Avionics Benches
48-Hour ISO Recert Class 7 Cleanroom Restored
EMLAP QA Validated Direct Mycology Optical Verification
Clinical EMLAP optical microscopy spore trap bioaerosol examination
SITE: CLINICAL MYCOLOGY BENCH OPTICS: ASTM D7391 1000X

Aerospace Cleanroom Bioaerosol Investigation & ISO 14644-1 Clearance

SITE BASELINE

Aerospace Avionics Facility

8,500 sq. ft. flight hardware cleanroom. Blocked HVAC condensate drain caused localized microbial biofilm proliferation in primary supply plenums. Particulate counters detected 4.8x baseline elevation at 0.5 μm, breaching ISO 14644-1 standards.

PROTOCOL ENGINEERING

Micro-Mist HPV & 24 ACH HEPA

Established an isolated secondary negative-pressure envelope. Deployed automated hydrogen peroxide vapor (HPV) dry-fog micro-misting and multi-stage 99.99% HEPA filtration scrubbers operating continuously at 24 air changes per hour (ACH).

CLEARANCE METRICS

Zero CFU Residual Counts

Total particulate concentrations dropped below 352,000 particles/m³ at ≥ 0.5 μm. Surface contact RODAC agar plates recorded 0 CFU growth across 48 sampled avionics workbenches. ISO certification re-established in 48 hours with zero hardware loss.

Compound optical microscope spore analysis and cellular morphological identification
EVIDENCE DOSSIER • DIRECT OPTICAL ANALYSIS

Direct optical identification of cellular conidia morphology under high numerical aperture oil immersion optics.

SHIP CHANNEL • HOUSTON SHIP CHANNEL • REF #EVG-551044
■ ASTM E1903 • TCEQ TRRP COMPLIANT STATUS: VERIFIED & CLEARED • AIR CLEARED
24-Hour Resumption Terminal Operations Reopened
VOCs < 0.05 PPM Benzene Vapor < 0.01 PPM
TCEQ & OSHA Cleared -0.050 in-WC Sub-Slab Barrier
Industrial Phase II direct-push Geoprobe soil boring and contaminant plume delineation
SITE: TANK BERM CORRIDOR 7 GEOPROBE: SUBSURFACE CORES

Industrial Marine Terminal Vapor Intrusion Mitigation & Phase II Assessment

SITE BASELINE

Petrochemical Bulk Terminal

Marine terminal operations command center. Subsurface benzene and volatile organic compound (VOC) vapor intrusion through concrete expansion joints following a transfer valve rupture. Handheld PID readings peaked at 14.8 ppm total VOCs inside employee control areas.

PROTOCOL ENGINEERING

Active Vapor Extraction & Carbon Beds

Installed dual-train virgin coconut-shell activated granular carbon (GAC) air scrubbers with spark-proof blowers. Engineered sub-slab negative pressure extraction creating a continuous -0.050 in-WC barrier below the foundation slab.

CLEARANCE METRICS

Ambient Concentration < 0.05 PPM

8-hour continuous photoionization detection and Tedlar bag GC-MS laboratory verification demonstrated zero detectable benzene (< 0.01 ppm). Indoor air cleared well below OSHA Permissible Exposure Limits (PEL). Terminal operations resumed within 24 hours.

GALVESTON ISLAND • GALVESTON WHARVES • REF #EVG-498212
■ TDLR MRC #1611 • USCG SUBCHAPTER T CLEARED STATUS: VERIFIED & CLEARED • PRV CERTIFIED
< 100 Spores/m³ Air Zero Marker Spore Residual
5-Day Sailing Clear USCG Subchapter T Approved
TDLR MRC #1611 Valid Marine Negative Air Containment
Severe microbial abatement and restored containment chamber
SITE: OFFSHORE VESSEL BERTH 14 CONTAINMENT: USCG CERTIFIED

Commercial Offshore Support Vessel Mold Remediation & USCG Clearance

SITE BASELINE

Commercial Offshore Support Vessel

240 ft offshore supply vessel berthing quarters. Extended chilled-water HVAC malfunction during deep Gulf transit created heavy condensation across 16 crew staterooms and galley. Extensive Stachybotrys and Chaetomium growth covered marine composite bulkheads.

PROTOCOL ENGINEERING

Marine Negative Air & Desiccants

Isolated accommodation levels under -0.025 in-WC negative pressure using heavy-duty flame-retardant marine barriers. Exhausted through deck escape hatches via stainless-steel HEPA filtration scrubbers. Closed-loop trailer desiccant purged trapped moisture from insulated hull framing.

CLEARANCE METRICS

< 100 Spores/m³ Air Clearance

Post-remediation Air-O-Cell cassette testing verified background levels under 100 spores/m³ across all crew quarters with zero marker spores. United States Coast Guard (USCG) marine inspection approved immediate vessel sailing clearance in 5 days.

Before and after microbial abatement remediation visual verification
EVIDENCE DOSSIER • BEFORE & AFTER VERIFICATION

Microbial colonization neutralized to Condition 1 normal fungal ecology under TDLR MRC #1611 protocols.

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Environmental Articles & Guides

Read 23 in-depth technical publications on TDLR Chapter 78 statutory changes, ASTM E1527-21 Phase I ESA standards, Niton XRF lead testing, and desiccant psychrometrics.

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Gulf Coast Service Areas

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