diff --git a/NAMESPACE b/NAMESPACE
index b6920831..68763d04 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -4,3 +4,5 @@ export(add_two_numbers)
 export(download_from_azure_blob)
 export(fetch_blob_container)
 export(fetch_credential_from_env_var)
+export(read_interval_pmf)
+export(read_parameters)
diff --git a/R/parameters.R b/R/parameters.R
index b325b2f2..f086c971 100644
--- a/R/parameters.R
+++ b/R/parameters.R
@@ -200,6 +200,7 @@ read_interval_pmf <- function(path,
 }
 
 #' DuckDB date comparison fails if the dates are not in string format
+#' @noRd
 stringify_date <- function(date) {
   if (inherits(date, "Date")) {
     format(date, "%Y-%m-%d")
diff --git a/man/fetch_blob_container.Rd b/man/fetch_blob_container.Rd
index 96307ed7..bcece11d 100644
--- a/man/fetch_blob_container.Rd
+++ b/man/fetch_blob_container.Rd
@@ -16,10 +16,10 @@ A Blob endpoint
 \description{
 This \strong{impure} function depends on the environment variables:
 \itemize{
-\item TENANT_ID
-\item SUBSCRIPTION
-\item RESOURCE_GROUP
-\item STORAGE_ACCOUNT
+\item az_tenant_id
+\item az_subscription_id
+\item az_resource_group
+\item az_storage_account
 }
 }
 \details{
diff --git a/man/read_interval_pmf.Rd b/man/read_interval_pmf.Rd
new file mode 100644
index 00000000..85d6096f
--- /dev/null
+++ b/man/read_interval_pmf.Rd
@@ -0,0 +1,42 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/parameters.R
+\name{read_interval_pmf}
+\alias{read_interval_pmf}
+\title{Read parameter PMF into memory}
+\usage{
+read_interval_pmf(
+  path,
+  disease = c("COVID-19", "Influenza", "test"),
+  as_of_date,
+  parameter = c("generation_interval", "delay", "right_truncation"),
+  state = NA
+)
+}
+\arguments{
+\item{path}{A path to a local file}
+
+\item{disease}{One of "COVID-19" or "Influenza"}
+
+\item{as_of_date}{The parameters "as of" the date of the model run}
+
+\item{parameter}{One of "generation interval", "delay", or "right-truncation}
+
+\item{state}{An optional parameter to subset the query to a parameter with a
+particular two-letter state abbrevation. Right now, the only parameter with
+state-specific estimates is \code{right-truncation}.}
+}
+\value{
+A PMF vector
+}
+\description{
+Using DuckDB from a parquet file. The function expects the file to be in SCD2
+format with column names:
+\itemize{
+\item parameter
+\item geo_value
+\item disease
+\item start_date
+\item end_date
+\item value
+}
+}
diff --git a/man/read_parameters.Rd b/man/read_parameters.Rd
new file mode 100644
index 00000000..4cf65a6f
--- /dev/null
+++ b/man/read_parameters.Rd
@@ -0,0 +1,37 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/parameters.R
+\name{read_parameters}
+\alias{read_parameters}
+\title{Read in disease process parameters from an external file or files}
+\usage{
+read_parameters(
+  generation_interval_path,
+  delay_interval_path,
+  right_truncation_path,
+  disease,
+  as_of_date,
+  state
+)
+}
+\arguments{
+\item{generation_interval_path, delay_interval_path, right_truncation_path}{Path to a local file with the parameter PMF. See \link{read_interval_pmf} for
+details on the file schema. The parameters can be in the same file or a
+different file.}
+
+\item{disease}{One of \code{COVID-19} or \code{Influenza}}
+
+\item{as_of_date}{The date "as of" the run. Set for the current date for the
+most up-to-to date version of the parameters and set to an earlier date to
+use parameters from an earlier time period.}
+
+\item{state}{Used only for right-truncation, the two-letter uppercase state
+abbrevation.}
+}
+\value{
+A named list with three PMFs. The list elements are named
+\code{generation_interval}, \code{delay_interval}, and \code{right_truncation}. If a path
+is
+}
+\description{
+Read in disease process parameters from an external file or files
+}