What is included in a NYC Sewer Discharge Kit?

What is included in a NYC Sewer Discharge Kit?   The "NYCDEP GW Discharge to Sanitary and Combined Sewer" kit contains the following bottles: (3) 40mL vials w/ HCl (3) 1L Amber unpreserved bottles (3) 1L Amber bottles preserved w/ sulfuric acid (2) 1L Plastic unpreserved bottles (1) 250mL Plastic bottle preserved w/ nitric acid