Technical Papers

Fingerprinting Water William E. Motzer PhD, PG, Senior Geochemist, Todd Engineers Chromium Handbook, by the Independent Environmental Technical Evaluation Group (PDF) Reviewed by Jay Lehr, The Heartland Institute Current State of the Practice of Perchlorate Forensics (PDF) William E. Motzer PhD, PG, Senior Geochemist, Todd Engineers Developing, Managing, and Sustaining California's Groundwater Resources (PDF) Advisory - Active Soil Gas Investigations - DTSC & CA RWQCB LA Region (PDF)

Overview Articles

GRA White Paper - Recycled Water For Recharge (PDF) GRA White Paper - Low Concentrations of OCWs in Hydrologic System (PDF) GRA White Paper - Hexavalent Chromium (PDF) MTBE White Paper - GRA Tech Committee (PDF)

Position Papers

News Release - GRA Urges Governor to Uphold 2002 MtBE Phase Out Deadline MtBE Press Release - 60 Minutes (PDF)

Recommend Reading From Other Organizations

Toxic FAQs on Chromium - ATSDR Public Health Goal: CrVI - CA EPA (PDF) Environmental Data Quality Report (PDF)

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