{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T04:02:34Z",
  "source": "Assay Systems register, https://assay-systems.com/register/",
  "access_notice": "On 15 November 2026, automated access to assay-systems.com closes. After that date, access is available only under a paid annual subscription contract. Contact: contact@assay-systems.com",
  "data": {
    "id": "ASY-CA-1H1W0EK1B1",
    "type": "page",
    "country": "ca",
    "name": "CLEAN HARBORS CANADA INC: public contracts won without a rival in Canada",
    "url": "https://assay-systems.com/register/ca/uncontested/s/clean-harbors-canada-inc/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 19,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 28,
        "unit": "percent",
        "display": "28%"
      },
      {
        "label": "without a competition",
        "value": 14,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 5,
        "unit": "count"
      }
    ],
    "text": [
      "CLEAN HARBORS CANADA INC won 19 of its 68 public contract awards in Canada without a rival from 2022-02-04 to 2026-05-26, worth $575K: 14 without a competition and 5 after a competition that drew a single bid. 6 buyers awarded it without a rival, the largest National Research Council Canada with 10."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-05-26",
          "Buyer": "National Research Council Canada C-2026-2027-Q1-00454",
          "Buyer link": "https://assay-systems.com/register/ca/uncontested/b/national-research-council-canada/",
          "How": "Single bid ST",
          "Value": "$34.2K",
          "Stated reason": "00"
        },
        {
          "Date": "2026-05-20",
          "Buyer": "National Research Council Canada C-2026-2027-Q1-00423",
          "Buyer link": "https://assay-systems.com/register/ca/uncontested/b/national-research-council-canada/",
          "How": "Single bid ST",
          "Value": "$22.5K",
          "Stated reason": "00"
        },
        {
          "Date": "2026-03-24",
          "Buyer": "National Research Council Canada C-2025-2026-Q4-00932",
          "Buyer link": "https://assay-systems.com/register/ca/uncontested/b/national-research-council-canada/",
          "How": "No competition TN",
          "Value": "$10.8K",
          "Stated reason": "00"
        },
        {
          "Date": "2025-05-26",
          "Buyer": "Parks Canada C-2025-2026-Q2-00104",
          "Buyer link": "https://assay-systems.com/register/ca/uncontested/b/parks-canada/",
          "How": "No competition TN",
          "Value": "$21.2K",
          "Stated reason": "00"
        },
        {
          "Date": "2025-03-17",
          "Buyer": "National Research Council Canada C-2024-2025-Q4-00806",
          "Buyer link": "https://assay-systems.com/register/ca/uncontested/b/national-research-council-canada/",
          "How": "No competition TN",
          "Value": "$25.6K",
          "Stated reason": "00"
        },
        {
          "Date": "2025-01-13",
          "Buyer": "Parks Canada C-2024-2025-Q4-00270",
          "Buyer link": "https://assay-systems.com/register/ca/uncontested/b/parks-canada/",
          "How": "Single bid TC",
          "Value": "$15.5K",
          "Stated reason": "00"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Canada",
        "url": "https://assay-systems.com/register/ca/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/ca/clean-harbors-canada-inc/"
      },
      {
        "name": "National Research Council Canada",
        "url": "https://assay-systems.com/register/ca/uncontested/b/national-research-council-canada/"
      },
      {
        "name": "Parks Canada",
        "url": "https://assay-systems.com/register/ca/uncontested/b/parks-canada/"
      },
      {
        "name": "Environment and Climate Change Canada",
        "url": "https://assay-systems.com/register/ca/uncontested/b/environment-and-climate-change-canada/"
      },
      {
        "name": "Correctional Service of Canada",
        "url": "https://assay-systems.com/register/ca/uncontested/b/correctional-service-of-canada/"
      },
      {
        "name": "Public Health Agency of Canada",
        "url": "https://assay-systems.com/register/ca/uncontested/b/public-health-agency-of-canada/"
      },
      {
        "name": "Natural Resources Canada",
        "url": "https://assay-systems.com/register/ca/uncontested/b/natural-resources-canada/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-CA-1H1W0EK1B1",
    "cite_as": "Assay Systems, \"CLEAN HARBORS CANADA INC: public contracts won without a rival in Canada\", https://assay-systems.com/register/ca/uncontested/s/clean-harbors-canada-inc/"
  }
}