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Environmental Site Assessments

 

Phase I Audits:

A. Site History Assessment

1. Past uses of site

a. Interview knowledgeable people, including previous owner/operators  where feasible

b. Review listings in business manuals, telephone books, etc. where necessary

2. Immediate past use of site review

a. Description of immediate past use or operation

b. Review documents

c. Review relevant geological information

i. Maps (topographic, design, etc.)

ii. Environmental permits

iii. Environmental compliance documents (manifests, generator reports, etc.)

B. Agency Record Review

1. Identify and contact appropriate federal, state and local agencies

2. Review relevant agency records, including CERCLA site directories, underground tank registration and notices

C. Adjacent Property Use Review

1. Identify all solid and hazardous waste disposal sites within a mile of the property

2. Identify all surrounding land uses within 1500 feet of the property

a. Describe historic uses of adjacent property that may have created a source of contamination

b. Review agency records, including CERCLA site directories, underground storage tank registrations and notices

D. Polychlorinated Biphenyl Contamination

1. Identify transformers and capacitors containing PCB's

a. Provide testing data

b. Document any spill

c. Provide certifications

E. Asbestos

1. All buildings constructed prior to 1988:

a. Examine construction specifications or architectural plans for use of asbestos containing materials

b. Asbestos containing material survey of structure

c. Follow AHERA standards to extent practicable to evaluate the presence of asbestos containing materials in the building

d. Review Operations and Maintenance plans in use

F. Storage Tanks

1. Identify above-ground and underground storage tanks

2. Identify past and present materials stored in the tanks

3. Above-ground tanks

a. Inspect visually for leaks

b. Review leak-testing records

4. Underground storage tanks

a. Determine age

b. Review leak-testing records

G. Visual Inspection

1. Identify stains, discolored soils and distressed vegetation

2. Identify waste pits, landfills, lagoons or other impoundments

3. Identify treatment, storage or disposal facilities on site

4. Identify boilers and incinerators on site

H. Wetlands/Floodplain

1. Identify whether any of the property is wetlands and/or 500 year floodplain

2. If so, identify all wells, septic tanks and similar underground structures on site

I. Water

1. Identify all wells, septic tanks and similar underground structures on site

J. Radon

1. Sample lower space for radon

K. Hazardous Materials

1. Identify hazardous materials for required remedial actions.

The Phase I environmental audit will provide sufficient information to determine if specific sampling and analysis is required.

If a Phase II assessment is deemed necessary this will include: development of a work plan, client and regulatory agency review, leak testing, soil and water contamination tests and pits/borings test.

A Phase III assessment would include: remedial action design and implementation, client and regulatory agency review and site monitoring.

A written documentation package would include:

a. Site and adjacent sites.

b. Potential liability risks identified during an environmental audit.

c. A description of circumstances or conditions related to the site, which may pose a stigma.

d. Recommendation for further investigation.

e. All analytical protocols and results obtained.



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