ACAP Saint John: Sediment PAHs

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As part of DFO's Coastal Environmental Baseline Monitoring Program, ACAP Saint John has collected sediment samples in and around the Saint John Harbour since 2018. These sediment samples are analyzed for a suite of contaminants, known as PAHs (polycylic aromatic hydrocarbons). These data can be used for identifying contamination levels of sediments in the Saint John Harbour, and can also be used a baseline for future monitoring or restoration efforts.

Version 3.1.0
Data Steward Email
Data Collection Organization Atlantic Coastal Action Program (ACAP) Saint John
Data Upload Organization Atlantic Coastal Action Program (ACAP) Saint John
Progress Code onGoing
Maintenance Frequency Code asNeeded
Topic Category Code inlandWaters, oceans
Keywords sediment PAH, contaminants, Saint John Harbour
Spatial Extent -66.229° 45.155°, -65.955° 45.283° (W S, E N)
Temporal Extent 2018-09-27 to 2022-10-28
Date Published
Alternate Formats FGP-HNAP ISO:19115-2 (XML) , W3C DCAT (XML) , W3C DCAT (JSON-LD)


Atlantic Coastal Action Program (ACAP) Saint John. 2023-07-03. "ACAP Saint John: Sediment PAHs" (dataset). 3.1.0. DataStream.

Data Collection Information

Sediment samples were collected using a sediment sampler at 13 primary sites, plus 5 additional sites on occasion. Samples were generally collected 3 times a year. The sediment sampler was cleaned with 5% nitric acid before each sample. Samples are collected by pressing the sampler into the sediments until it hits the 5 cm mark, and then collecting the sample into a sample jar. Following collection, jars were kept frozen until they could be analyzed.

Data Processing

Values were calculated from sample extractions, with a normal detection/reporting limit of 0.01 mg/kg.

Attribution Licence (ODC-By) v1.0

You are free to share, copy, distribute, use, modify, transform, build upon, and produce works from the data as long as you attribute any public use of the data, or works produced from the data, in the manner specified in the licence. For any use or redistribution of the data, or works produced from it, you must make clear to others the licence of the data and keep intact any notices on the original data.

API Access

curl -G --data-urlencode "\\$filter=DOI eq '10.25976/npa5-4047'" -H "x-api-key: PRIVATE-API-KEY"



Added new observations collected in the 2022 field season.

Schema v2.16.1
Digest SHA3-256:2fec5627ccb7cc82b70be425fa1a9399d9708348344335df72c8092f94c45d03
File size 226.29 KB


Added new observations from 2021 and winter 2022, and modified existing data as needed to correct errors.

Schema v2.7.0
Digest SHA3-256:59922812e7dceb15771194f260d69b2147eaf79f4b82753c61441a314950a23c
File size 836.53 KB


Dataset information change


initial submission

Schema v2.5.0
Digest SHA3-256:87f3f91b8a500cddcdc5c5828b40b0e1b6e1ccfe94a3e99c62aade3ba575326c
File size 531.32 KB