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2799207 
Technical Report 
Multiple Pathway Health Risk Assessment Report For Explosive Destruction Technology Alternatives At The Pueblo Chemical Depot 
Hand, K; Rectanus, M; Boczek, B; Cowen, K 
2012 
Battelle Memorial Inst Columbus OH 
CBRNIAC-2004093 
836 
This report presents the results of a screening-level Multiple Pathway Health Risk Assessment (MPHRA) conducted to support additional technology, referred to as Explosive Destruction Technology (EDT), being considered for inclusion at the Pueblo Chemical Agent-Destruction Pilot Plant (PCAPP) located at the Pueblo Chemical Deport (PCD) east of Pueblo, Colorado. A creening-level MPHRA employs conservative assumptions to acquire a reasonable worst-case estimate of potential impacts on human health, which in this case may be produced by each of four EDT systems being considered for construction/operation at the PCAPP. If the screeninglevel results are acceptable, then no further refinement of the assumptions is deemed necessary. The objectives of this screening-level MPHRA are to (1) evaluate how chemicals reasonably expected to be present in EDT air emissions can be transported through the environment and into the food chain, (2) assess how different people (human receptors) can directly or indirectly come into contact with these substances (exposure pathways), and (3) calculate the cumulative risks (cancer effects) and hazards (noncancer effects) for each exposure scenario. The screening-level MPHRA was performed to obtain a reasonable maximum estimate of potential risks and hazards in order to determine whether a more detailed site-specific assessment is warranted. The results of this MPHRA represent the incremental risk to human health presented by operation of EDT processes. As such, risks presented by other environmental conditions that may exist in the area (e.g., ambient levels of persistent pesticides in soil caused by human activity and non-PCAPP air emission sources) are not included in the assessment. As part of the current MPHRA, potential impacts calculated for each EDT operation are added to those impacts previously calculated for the PCAPP to derive an EDT plus PCAPP impact. 
cancer effects, contact hazards, environmental considerations, explosive destruction technology, food chain impacts, human health impacts, multiple pathway health risk assessment, noncancer effects, pueblo chemical agent destruction pilot plan