See links below for additional information:
NuWater BNR-600 Manual
BNR-600 Concrete Tank Washington State Approval
BNR-600 Poly Tank Washington State Approval
Laboratory Test Report BNR-600
Hi-Blow Specs
BNR-600 Tank Detail
BNR-600 Infiltrator Poly Tank Technical Drawing
BNR-600 Infiltrator IM-1060 EnviroFlo Poly Tank Details
BNR-600 Infiltrator CM-1060 EnviroFlo Poly Tank Details