# Path Forward Partners — llms.txt > Environmental consulting specialists in brownfield redevelopment, vapor intrusion, and due diligence across California. --- ## Core Pages - [Home](https://www.pathfw.net/): Firm overview; primary services - [About](https://www.pathfw.net/about/): Company background and values - [Our Services](https://www.pathfw.net/our-services/): Environmental services hub - [Project Locations](https://www.pathfw.net/project-locations/): Geographic footprint and featured sites - [Careers](https://www.pathfw.net/careers/): Roles, benefits, culture - [Contact](https://www.pathfw.net/contact/): Address, phone, email - [Privacy Policy](https://www.pathfw.net/privacy-policy/): Data and compliance - [Sitemap XML](https://www.pathfw.net/sitemap.xml): Crawl map for search engines --- ## People - [Our People](https://www.pathfw.net/people/): Team overview - [Partners](https://www.pathfw.net/people/partners/): Leadership bios - [Principals](https://www.pathfw.net/people/principals/): Senior technical staff --- ## Contaminated Sites - [Contaminated Sites](https://www.pathfw.net/contaminated-sites/): Category overview - [Subsurface Investigations & Assessments](https://www.pathfw.net/contaminated-sites/contaminated-subsurface-investigations/): Soil, groundwater, soil‑gas, sub‑slab, indoor air - [Vapor Intrusion Assessments](https://www.pathfw.net/contaminated-sites/vapor-intrusion-assessments/): Multi‑line‑of‑evidence indoor air risk - [VIMS / Methane Mitigation Design & Implementation](https://www.pathfw.net/contaminated-sites/vapor-intrusion-mitigation-system-design-and-implementation/): Passive/active systems - [Multi‑Pathway Quantitative Risk Assessments](https://www.pathfw.net/contaminated-sites/multi-pathway-quantitative-risk-assessments/): Human/eco exposure modeling - [Feasibility Studies & Remediation Design](https://www.pathfw.net/contaminated-sites/feasibility-studies-and-remediation-system-design/): Technology screening; RAW/RAP/RDIP - [Construction Oversight for Contaminated Sites](https://www.pathfw.net/contaminated-sites/construction-oversight-for-contaminated-sites/): SMPs/DMPs; air monitoring - [Regulatory Negotiation & Strategy](https://www.pathfw.net/contaminated-sites/regulatory-negotiation-and-strategy/): DTSC/Water Boards/SFDPH interface - [Clean Fill Evaluations & Soil Import Acceptance Criteria](https://www.pathfw.net/contaminated-sites/clean-fill-evaluations-and-development-of-soil-import-acceptance-criteria/): Reuse/export criteria --- ## Due Diligence Services - [Due Diligence Services](https://www.pathfw.net/due-diligence-services/): Category overview - [Phase I Environmental Site Assessments (ASTM E1527‑21)](https://www.pathfw.net/due-diligence-services/phase-i-environmental-site-assessments/): Non‑intrusive RECs screening - [Phase II Environmental Site Assessments](https://www.pathfw.net/due-diligence-services/phase-ii-environmental-site-assessments/): Subsurface confirmation sampling - [Environmental Risk & Liability Assessments](https://www.pathfw.net/due-diligence-services/environmental-risk-and-liability-assessments/): Cost‑to‑closure; liability analysis --- ## Other Environmental Services - [Other Environmental Services](https://www.pathfw.net/other-environmental-services/): Specialized services hub - [San Francisco Maher Ordinance (Article 22A)](https://www.pathfw.net/other-environmental-services/san-francisco-maher-ordinance/): Site Mitigation Plans; SFDPH - [San Francisco Dust Ordinance (Article 22B)](https://www.pathfw.net/other-environmental-services/san-francisco-dust-ordinance/): DCPs/DMPs; construction dust - [Underground Storage Tank (UST) Removal & Closure](https://www.pathfw.net/other-environmental-services/underground-storage-tank-removal/): Removal oversight; LUFT/LTCP - [Asbestos Dust Mitigation Plans (ADMP) & Air Monitoring Plans (AAMP)](https://www.pathfw.net/other-environmental-services/asbestos-dust-mitigation-plans-asbestos-air-monitoring-plans-admp-aamp/): CARB ATCM; BAAQMD --- ## Q&A Highlights - [What is a Phase I ESA?](https://www.pathfw.net/due-diligence-services/phase-i-environmental-site-assessments/): Scope; timeline; triggers - [When is a Phase II ESA required?](https://www.pathfw.net/due-diligence-services/phase-ii-environmental-site-assessments/): From Phase I RECs to sampling - [What is vapor intrusion?](https://www.pathfw.net/contaminated-sites/vapor-intrusion-assessments/): Building exposure pathway - [How are vapor risks mitigated?](https://www.pathfw.net/contaminated-sites/vapor-intrusion-mitigation-system-design-and-implementation/): VIMS design/monitoring - [What is the Maher Ordinance?](https://www.pathfw.net/other-environmental-services/san-francisco-maher-ordinance/): SF Article 22A overview --- ## Cross‑References - [Full Inventory File](https://www.pathfw.net/llms-full.txt): Expanded descriptions per page - [FAQ File](https://www.pathfw.net/llms-qna.txt): Compact Q&A for AI --- ## Version - [2025‑08‑26 10:00 PT — Current](https://www.pathfw.net/)