Environmental Services

Industrial Hygiene

A-Tech’s Certified Industrial Hygienists use environmental monitoring and analytical methods to detect the extent of worker exposure and employ engineering, work practice controls, and other methods to control potential health hazards.

Hazard Assessment

Air Contamination Assessments
Occupational Exposure Risk Assessments
Ergonomics Assessments
Noise Monitoring
Hearing Protector Assessments
Customized Hearing Conservation Programs

Water Hygiene & Resources

Water Management Plans
Domestic Water Sampling
Periodic Legionella Testing
Flow Diagram Templates
Institutional Drinking Water Testing


Comprehensive & Limited Surveys
Abatement Design
Abatement Oversight & Clearances
Specification Work Plans
SCAQMD Procedure 5
Emergency Response Assessments
Plans for Impacted ACM
On-Site PCM Sample Analysis


Air, Surface and/or Bulk Sampling
Mold & Moisture Assessments
Remediation Monitoring
Clearance Inspections
Sewage & Bacteria Assessments
Adenosine Triphosphate (ATP) Sampling
Decontamination Monitoring Clearance Inspections
Industrial Hygiene Exposure Monitoring
Personal & Area Monitoring
WAGs Exposure Control Plans


Lead-in-Point Surveys
HUD-Level XRF Inspections
Risk Assessments
Lead Management Plans
Remediation Design
Clearance Testing
Potable Water Sampling
Confirmation Paint Chip Sampling

Public Health

Infection Control Risk Assessments
Occupational Exposure Risk Assessments
Infection Control Monitoring
USP 797 Environmental Monitoring
Viable Bacterial & Fungal Air Monitoring
Viable Gloved Fingertip Sampling


Short-Term Radon Exposure Assessments
Long-Term Radon Assessments
Radon Mitigation Design

Smoke & Soot

Air, Surface and/or Bulk Sampling
Remediation Design
Restoration Oversight

Environmental Engineering

A-Tech has expanded its services and has acquired experts and professional engineers, who are uniquely qualified to provide engineering consultation on any project. This transcends A-Tech to a one-stop-shop environmental consulting firm that can solve clients’ environmental issues by relying on in-house expertise.

Due Diligence & Site Assessments

Phase I and II Environmental Site Assessments
Identify Recognized Environmental Concerns
Conduct Environmental Sampling;
Provide Recommendations
UST and AST Site Closure
Site Characterization

Environmental Sampling & Analysis

Soil sampling at various depths
Soil Vapor Sampling
Groundwater Sampling
Water Sampling
Asphalt and Concrete Sampling
Air Quality Sampling

Environmental Remediation / Design and Construction

Risk Assessment
Focused Feasibility Studies
Design of Remedial System
Overseeing Contractors’ Activities
Confirmation Sampling

RCRA Facility Investigation and Superfund Sites

Comprehensive Site Characterization
Potential Responsible Parties Cost Allocation
Superfund Sites
Corrective Measure Study

Waste Characterization and Management

Waste Profiling and Sampling
Transport and Disposal
Waste Policy Development

Groundwater Monitoring and Remediation

Well Gauging and Sampling Regulatory Agencies’ Order Compliance Monitoring Reports Remedial Design and Implementation

Environmental Permitting and Compliance

Environmental Impact Reports
Well and Exploration Permits
NPDES and Discharge Permits

Legal Support and Expert Witness

Technical Document Review
Court Appearance
Expert Testimony

Water Resouces Services

As a leader in environmental industry, we always strive to solve our industry’s ongoing challenges and stay at the forefront of regulatory and technological advances. With addition of groundwater experts to our team, we offer wide range of hydrogeological services to our clients and lead efforts in complying with Sustainable Groundwater Management Act and PFAS investigation and remediation.

Groundwater Quality Assessment/ Emerging Contaminants (PFAS)

Groundwater Monitoring Well Installation
Groundwater Sampling and Analyses;
PFAS Investigation and Characterization (Emerging Contaminants)
PFAS Treatment and

Hydorgeologic & Hydrologic Modeling

Groundwater Flow Models
Contaminant Fate and Transport Models
Vadose Zone Models
Integrated Hydrologic Models
Surface Water Models

Water Supply Wells

Well Siting and Evaluation
Design and Specifications
Well Construction and Development
Well Rehabilitation

Groundwater Resources Management/ SGMA

Sustainable Groundwater Management Act (SGMA) Compliance
Water Demand Analyses
Aquifer Storage and Recovery (ASR)

Hydrogeologic Evaluation and Basin Characterization

Hydrogeologic Conceptual Models
Water Budget
Aquifer Characterization
Recharge Evaluation

Stormwater Management

Stormwater Pollution Prevention Plan (SWPPP)
Storm Water Management Plans
Sediment Transport Analysis
Stormwater Sampling

All Your Environmental Needs in One Place